{"id":817,"date":"2026-04-08T02:51:42","date_gmt":"2026-04-08T02:51:42","guid":{"rendered":"https:\/\/industrialsafetysensor.com\/?page_id=817"},"modified":"2026-04-09T01:49:26","modified_gmt":"2026-04-09T01:49:26","slug":"elevator-light-curtain","status":"publish","type":"page","link":"https:\/\/industrialsafetysensor.com\/de\/safety-light-curtains\/elevator-light-curtain\/","title":{"rendered":"Aufzug Lichtvorhang"},"content":{"rendered":"\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-873c0a6\" data-block-id=\"873c0a6\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-873c0a6-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-da51b50\" data-v=\"4\" data-block-id=\"da51b50\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-da51b50-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-da51b50-inner-blocks\">\n<section id=\"elevator-hero-module\">\n    <style>\n        \/* 1. Scope: All styles strictly scoped to #elevator-hero-module *\/\n        \/* 3. Aesthetics & Fonts: NO font-family or external fonts imported as requested. *\/\n        \n        #elevator-hero-module {\n            width: 100% !important;\n            padding: 40px 0 !important;\n            background-color: #F0F0F0 !important; \/* Light background to contrast the white floating bar *\/\n            box-sizing: border-box !important;\n            position: relative !important;\n            overflow: hidden !important;\n            display: flex !important;\n            flex-direction: column !important;\n            align-items: center !important;\n        }\n\n        #elevator-hero-module * {\n            box-sizing: border-box !important;\n        }\n\n        \/* 4. Layout & Frameworks: Handwritten Flexbox *\/\n        #elevator-hero-module .hero-container {\n            width: 100% !important;\n            max-width: 1400px !important;\n            margin: 0 auto !important;\n            padding: 0 20px !important;\n            display: flex !important;\n            align-items: center !important;\n            justify-content: space-between !important;\n            gap: 40px !important;\n            margin-bottom: 30px !important;\n        }\n\n        #elevator-hero-module .hero-text-col {\n            flex: 1 1 60% !important;\n            display: flex !important;\n            flex-direction: column !important;\n            gap: 24px !important;\n        }\n\n        #elevator-hero-module .hero-img-col {\n            flex: 1 1 40% !important;\n            display: flex !important;\n            justify-content: center !important;\n            align-items: center !important;\n        }\n\n        #elevator-hero-module .hero-img-col img {\n            max-width: 90% !important;\n            height: auto !important;\n            display: block !important;\n            filter: drop-shadow(0 10px 20px rgba(0,0,0,0.05)) !important;\n            border: 1px solid black;\n        }\n\n        \/* 2. Tag Replacement: Custom Divs instead of H1\/H2 *\/\n        #elevator-hero-module .hero-title {\n            font-size: 38px !important;\n            line-height: 1.25 !important;\n            font-weight: 800 !important;\n            color: #181818 !important; \/* Secondary color for deep contrast *\/\n            margin: 0 !important;\n        }\n\n        #elevator-hero-module .hero-desc {\n            font-size: 18px !important;\n            line-height: 1.6 !important;\n            color: #484848 !important; \/* Secondary color *\/\n            margin: 0 !important;\n        }\n\n        #elevator-hero-module .hero-actions {\n            display: flex !important;\n            gap: 16px !important;\n            flex-wrap: wrap !important;\n            margin-top: 8px !important;\n        }\n\n        #elevator-hero-module .hero-btn {\n            display: inline-flex !important;\n            align-items: center !important;\n            justify-content: center !important;\n            padding: 14px 28px !important;\n            font-size: 16px !important;\n            font-weight: 600 !important;\n            text-decoration: none !important;\n            border-radius: 4px !important;\n            transition: all 0.3s ease !important;\n            cursor: pointer !important;\n        }\n\n        #elevator-hero-module .btn-primary {\n            background-color: #303030 !important; \/* Main color *\/\n            color: #F0F0F0 !important;\n            border: 2px solid #303030 !important;\n        }\n\n        #elevator-hero-module .btn-primary:hover {\n            background-color: #181818 !important;\n            border-color: #181818 !important;\n            box-shadow: 0 4px 12px rgba(24, 24, 24, 0.3) !important;\n        }\n\n        #elevator-hero-module .btn-secondary {\n            background-color: transparent !important;\n            color: #303030 !important;\n            border: 2px solid #303030 !important;\n        }\n\n        #elevator-hero-module .btn-secondary:hover {\n            background-color: #303030 !important;\n            color: #F0F0F0 !important;\n        }\n\n        \/* Deep Shadow Floating Data Bar *\/\n        #elevator-hero-module .data-bar-wrapper {\n            width: 100% !important;\n            padding: 0 20px !important;\n            display: flex !important;\n            justify-content: center !important;\n        }\n\n        #elevator-hero-module .data-bar {\n            width: 100% !important;\n            max-width: 1400px !important;\n            background-color: #ffffff !important;\n            border-radius: 8px !important;\n            padding: 30px 40px !important;\n            display: grid !important;\n            grid-template-columns: repeat(6, 1fr) !important;\n            gap: 20px !important;\n            \/* Deep Shadow Effect for B2B Minimalist Suspension *\/\n            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15), 0 0 15px rgba(0,0,0,0.03) !important;\n            position: relative !important;\n            z-index: 10 !important;\n        }\n\n        #elevator-hero-module .data-item {\n            display: flex !important;\n            flex-direction: column !important;\n            align-items: center !important;\n            text-align: center !important;\n            border-right: 1px solid #F0F0F0 !important;\n        }\n\n        #elevator-hero-module .data-item:last-child {\n            border-right: none !important;\n        }\n\n        #elevator-hero-module .data-val {\n            font-size: 20px !important;\n            font-weight: 800 !important;\n            color: #181818 !important;\n            margin-bottom: 4px !important;\n        }\n\n        #elevator-hero-module .data-lbl {\n            font-size: 13px !important;\n            color: #484848 !important;\n            font-weight: 500 !important;\n            text-transform: uppercase !important;\n            letter-spacing: 0.5px !important;\n        }\n\n        \/* Responsive Design *\/\n        @media (max-width:1000px) {\n            #elevator-hero-module .data-bar {\n                grid-template-columns: repeat(3, 1fr) !important;\n                gap: 30px 20px !important;\n            }\n            #elevator-hero-module .data-item:nth-child(3) {\n                border-right: none !important;\n            }\n        }\n\n        @media (max-width:690px) {\n            #elevator-hero-module .hero-container {\n                flex-direction: column !important;\n                text-align: center !important;\n                gap: 40px !important;\n            }\n            \n            #elevator-hero-module .hero-actions {\n                justify-content: center !important;\n            }\n\n            #elevator-hero-module .data-bar {\n                grid-template-columns: repeat(2, 1fr) !important;\n                padding: 24px 20px !important;\n            }\n            #elevator-hero-module .data-item:nth-child(even) {\n                border-right: none !important;\n            }\n            #elevator-hero-module .data-item:nth-child(3) {\n                border-right: 1px solid #F0F0F0 !important;\n            }\n        }\n\n        @media (max-width: 480px) {\n            #elevator-hero-module .hero-title {\n                font-size: 28px !important;\n            }\n            #elevator-hero-module .hero-btn {\n                width: 100% !important;\n            }\n            #elevator-hero-module .data-bar {\n                grid-template-columns: 1fr !important;\n            }\n            #elevator-hero-module .data-item {\n                border-right: none !important;\n                border-bottom: 1px solid #F0F0F0 !important;\n                padding-bottom: 16px !important;\n            }\n            #elevator-hero-module .data-item:last-child {\n                border-bottom: none !important;\n                padding-bottom: 0 !important;\n            }\n        }\n    <\/style>\n\n    <div class=\"hero-container\">\n        <div class=\"hero-text-col\">\n            <h1 class=\"hero-title\">Elevator Light Curtains \u2014 Lift Door Safety Sensors<\/h1>\n            <div class=\"hero-desc\">Infrared elevator light curtains with response times from 6 ms, IP65 protection, and EN 81-20 compliance \u2014 engineered for passenger and freight lifts. Factory-direct OEM supply from China&#8217;s safety sensor specialist.<\/div>\n            <div class=\"hero-actions\">\n                <a href=\"#ct-popup-788\" class=\"hero-btn btn-primary\">Request a Quote<\/a>\n                <a href=\"#qjkh-elevator-specs-module\" class=\"hero-btn btn-secondary\">Download Spec Sheet<\/a>\n            <\/div>\n        <\/div>\n        \n        <div class=\"hero-img-col\">\n            <img src=\"https:\/\/industrialsafetysensor.com\/wp-content\/uploads\/2026\/04\/Elevator-Light-Curtain.png\" \n                 alt=\"Elevator Light Curtains - Lift Door Safety Sensors\" \n                 width=\"600\" \n                 height=\"auto\" \n                 fetchpriority=\"high\" \n                 loading=\"eager\" \n                 data-no-lazy=\"1\"\n                 decoding=\"async\">\n        <\/div>\n    <\/div>\n\n    <div class=\"data-bar-wrapper\">\n        <div class=\"data-bar\">\n            <div class=\"data-item\">\n                <span class=\"data-val\">&lt;6 ms<\/span>\n                <span class=\"data-lbl\">Min. Response Time<\/span>\n            <\/div>\n            <div class=\"data-item\">\n                <span class=\"data-val\">IP65<\/span>\n                <span class=\"data-lbl\">Protection Rating<\/span>\n            <\/div>\n            <div class=\"data-item\">\n                <span class=\"data-val\">10,000 lux<\/span>\n                <span class=\"data-lbl\">Sunlight Immunity<\/span>\n            <\/div>\n            <div class=\"data-item\">\n                <span class=\"data-val\">EN 81-20<\/span>\n                <span class=\"data-lbl\">Code Ready<\/span>\n            <\/div>\n            <div class=\"data-item\">\n                <span class=\"data-val\">Cat.4 \/ SIL 3<\/span>\n                <span class=\"data-lbl\">Safety Level<\/span>\n            <\/div>\n            <div class=\"data-item\">\n                <span class=\"data-val\">20+ Years<\/span>\n                <span class=\"data-lbl\">Engineering Experience<\/span>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-17013e1\" data-block-id=\"17013e1\"><div class=\"stk-row stk-inner-blocks has-text-align-center stk-block-content stk-content-align stk-17013e1-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-b76574d\" data-v=\"4\" data-block-id=\"b76574d\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-b76574d-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-b76574d-inner-blocks\"><div class=\"ct-breadcrumbs\" data-source=\"rankmath\" ><nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p><span class=\"last\">Home<\/span><\/p><\/nav><\/div><\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-9510a50\" data-block-id=\"9510a50\"><style>.stk-9510a50 {margin-bottom:0px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-9510a50-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-57e402c\" data-v=\"4\" data-block-id=\"57e402c\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-57e402c-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-57e402c-inner-blocks\">\n<style>\n  \/* 1. \u4e25\u683c\u7684ID\u4f5c\u7528\u57df\u9694\u79bb *\/\n  #qjkh-elevator-flat-module {\n    width: 100% !important;\n    background-color: #F0F0F0 !important; \/* \u6574\u4f53\u6241\u5e73\u5316\u80cc\u666f *\/\n    padding: 40px 20px !important; \/* \u589e\u52a0\u4e0a\u4e0b\u547c\u5438\u611f\uff0c\u9ad8\u7ea7\u611f\u7684\u6838\u5fc3 *\/\n    box-sizing: border-box !important;\n    display: flex !important;\n    justify-content: center !important;\n  }\n\n  \/* 2. \u6838\u5fc3\u5bb9\u5668\uff1a\u6700\u5927\u5bbd\u5ea61280px\uff0c\u81ea\u9002\u5e94\u5c45\u4e2d *\/\n  #qjkh-elevator-flat-module .qjkh-container {\n    width: 100% !important;\n    max-width: 1280px !important;\n    display: flex !important;\n    flex-direction: column !important;\n    align-items: center !important; \/* \u6240\u6709\u5b50\u5143\u7d20\u5c45\u4e2d *\/\n  }\n\n  \/* 3. SEO\u4f18\u5316\u7684 H2 \u6807\u9898\u6837\u5f0f *\/\n  #qjkh-elevator-flat-module .qjkh-h2-title {\n    font-size: 32px !important; \/* \u7ee7\u627f\u4f60\u8981\u6c42\u7684\u9ed8\u8ba4 32px *\/\n    color: #181818 !important; \/* \u6700\u6df1\u8272\uff0c\u5f3a\u5316\u89c6\u89c9\u7126\u70b9 *\/\n    text-align: center !important;\n    margin: 0 0 30px 0 !important;\n    line-height: 1.3 !important;\n    font-weight: 700 !important;\n  }\n\n  \/* 4. \u7eaf\u6587\u672c\u5185\u5bb9\u533a\uff1a\u629b\u5f03\u5361\u7247\uff0c\u4e0a\u4e0b\u5e03\u5c40 *\/\n  #qjkh-elevator-flat-module .qjkh-content-wrapper {\n    display: flex !important;\n    flex-direction: column !important;\n    gap: 30px !important; \/* \u63a7\u5236\u4e24\u6bb5\u6587\u5b57\u4e4b\u95f4\u7684\u5b8c\u7f8e\u95f4\u8ddd\uff0c\u4e0d\u4ea7\u751f\u591a\u4f59\u7559\u767d *\/\n    width: 100% !important;\n    max-width: 1280px !important; \/* \u9ad8\u7ea7\u6392\u7248\u6280\u5de7\uff1a\u6b63\u6587\u5bbd\u5ea6\u5c0f\u4e8e\u5bb9\u5668\u5bbd\u5ea6\uff0c\u5f62\u6210\u8212\u9002\u7684\u9605\u8bfb\u533a *\/\n  }\n\n  \/* \u5f15\u5bfc\u6bb5\u843d\uff08\u7b2c\u4e00\u6bb5\uff09\uff1a\u52a0\u91cd\u89c6\u89c9\u6743\u91cd *\/\n  #qjkh-elevator-flat-module .qjkh-lead-text {\n    font-size: 18px !important; \/* \u5b57\u4f53\u7565\u5927 *\/\n    color: #303030 !important; \/* \u4f7f\u7528\u4e3b\u8272\u8c03 *\/\n    line-height: 1.8 !important;\n    margin: 0 !important;\n    text-align: justify !important; \/* \u4e24\u7aef\u5bf9\u9f50\uff0c\u4f7f\u8fb9\u7f18\u50cf\u5200\u5207\u4e00\u6837\u6574\u9f50\uff0c\u6d88\u9664\u4e0d\u89c4\u5219\u7a7a\u767d *\/\n    font-weight: 500 !important;\n  }\n\n  \/* \u9610\u8ff0\u6bb5\u843d\uff08\u7b2c\u4e8c\u6bb5\uff09\uff1a\u6807\u51c6\u89c6\u89c9\u6743\u91cd *\/\n  #qjkh-elevator-flat-module .qjkh-body-text {\n    font-size: 16px !important;\n    color: #484848 !important; \/* \u4f7f\u7528\u526f\u8272\u8c03 *\/\n    line-height: 1.8 !important;\n    margin: 0 !important;\n    text-align: justify !important;\n  }\n\n  \/* 5. \u79fb\u52a8\u7aef\u54cd\u5e94\u5f0f\u81ea\u52a8\u6298\u53e0\u4e0e\u7f29\u653e *\/\n  @media (max-width:690px) {\n    #qjkh-elevator-flat-module {\n      padding: 50px 15px !important; \/* \u7a84\u5c4f\u7f29\u5c0f\u5185\u8fb9\u8ddd *\/\n    }\n    #qjkh-elevator-flat-module .qjkh-h2-title {\n      font-size: 26px !important; \/* \u79fb\u52a8\u7aef\u6807\u9898\u7f29\u653e *\/\n      margin-bottom: 30px !important;\n      text-align: left !important; \/* \u79fb\u52a8\u7aef\u6807\u9898\u5de6\u5bf9\u9f50\u66f4\u6613\u8bfb *\/\n    }\n    #qjkh-elevator-flat-module .qjkh-lead-text,\n    #qjkh-elevator-flat-module .qjkh-body-text {\n      text-align: left !important; \/* \u79fb\u52a8\u7aef\u53d6\u6d88\u4e24\u7aef\u5bf9\u9f50\uff0c\u9632\u6b62\u5355\u8bcd\u95f4\u8ddd\u8fc7\u5927 *\/\n      font-size: 16px !important; \/* \u7edf\u4e00\u5b57\u53f7 *\/\n    }\n  }\n<\/style>\n\n<section id=\"qjkh-elevator-flat-module\">\n  <div class=\"qjkh-container\">\n    \n    <h2 class=\"qjkh-h2-title\">Reliable Elevator Door Protection Starts With The Right Light Curtain<\/h2>\n    \n    <div class=\"qjkh-content-wrapper\">\n      <p class=\"qjkh-lead-text\">\n        Annual elevator door-closing is a major part of the passenger risk profile in commercial and residential applications. Aging mechanical safety edges, unable to sense small objects and prone to false alarms, leaves building owners open to code violations. A new elevator light curtain powerfully replaces physical contact detection with a dense infrared beam array. The system continuously scans the full door opening and completes an instant reversal signal the moment a object 50 mm in diameter enters the path.\n      <\/p>\n      \n      <p class=\"qjkh-body-text\">\n        QJKH elevator light curtains rely on our ENT industrial safety platform &#8211; the same infrared technology used in press brakes and robotic cells, now designed for the specific needs of lift door protection. With optical synchronization across dual-frequency channels (A and B bands), our sensors mitigate same-source light interference even when several elevator units operate side by side.\n      <\/p>\n    <\/div>\n\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-0133796\" data-block-id=\"0133796\"><style>.stk-0133796 {margin-bottom:0px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-0133796-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-d6d6955\" data-v=\"4\" data-block-id=\"d6d6955\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-d6d6955-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-d6d6955-inner-blocks\">\n<style>\n  \/* 1. \u4e25\u683c\u7684\u9876\u7ea7ID\u4f5c\u7528\u57df *\/\n  #qjkh-elevator-specs-module {\n    width: 100% !important;\n    background-color: transparent !important; \/* \u5f7b\u5e95\u6241\u5e73\u5316\uff0c\u878d\u5165\u4e3b\u9898\u73af\u5883 *\/\n    padding: 40px 20px !important; \/* \u589e\u52a0\u5782\u76f4\u7a7a\u95f4\u7684\u547c\u5438\u611f *\/\n    box-sizing: border-box !important;\n    display: flex !important;\n    justify-content: center !important;\n  }\n\n  \/* 2. \u4e3b\u5bb9\u5668\u9650\u52361280px *\/\n  #qjkh-elevator-specs-module .qjkh-container {\n    width: 100% !important;\n    max-width: 1280px !important;\n    display: flex !important;\n    flex-direction: column !important;\n    align-items: center !important; \/* \u4e2d\u8f74\u7ebf\u5bf9\u9f50 *\/\n  }\n\n  \/* 3. SEO H2\u6807\u9898\uff1a\u5c45\u4e2d\u3001\u805a\u7126 *\/\n  #qjkh-elevator-specs-module .qjkh-h2-title {\n    font-size: 32px !important;\n    color: #181818 !important;\n    text-align: center !important;\n    margin: 0 0 30px 0 !important;\n    line-height: 1.3 !important;\n    font-weight: 700 !important;\n  }\n\n  \/* 4. \u6587\u672c\u63a7\u5236\u533a\uff1a\u62d2\u7edd\u65e0\u9650\u62c9\u5bbd\uff0c\u63a7\u5236\u5728900px\u4ee5\u6d88\u9664\u8fb9\u7f18\u7559\u767d\u5e76\u63d0\u5347\u9605\u8bfb\u4f53\u9a8c *\/\n  #qjkh-elevator-specs-module .qjkh-text-zone {\n    width: 100% !important;\n    max-width: 1000px !important;\n    display: flex !important;\n    flex-direction: column !important;\n  }\n\n  #qjkh-elevator-specs-module .qjkh-text-zone1 {\n    width: 100% !important;\n    max-width: 1280px !important;\n    display: flex !important;\n    flex-direction: column !important;\n  }\n\n  #qjkh-elevator-specs-module .qjkh-body-text,\n  #qjkh-elevator-specs-module .qjkh-cta-text {\n    font-size: 16px !important;\n    color: #484848 !important;\n    line-height: 1.8 !important;\n    margin: 0 0 20px 0 !important;\n    text-align: justify !important; \/* \u5bbd\u5c4f\u4e24\u7aef\u5bf9\u9f50\uff0c\u6587\u672c\u5757\u8fb9\u7f18\u5982\u540c\u5200\u5207\u822c\u6574\u9f50 *\/\n    text-justify: inter-word !important;\n  }\n\n #qjkh-elevator-specs-module .qjkh-lead-text {\n    font-size: 16px !important;\n    color: #484848 !important;\n    line-height: 1.8 !important;\n    margin: 0 0 20px 0 !important;\n    text-align: center !important;\n  }\n\n  #qjkh-elevator-specs-module .qjkh-cta-text {\n    margin-bottom: 30px !important;\n    font-weight: 500 !important;\n    color: #303030 !important; \/* \u5f15\u5bfc\u884c\u52a8\u7684\u6587\u5b57\u52a0\u91cd *\/\n  }\n\n  \/* 5. \u9ad8\u7ea7\u793e\u8bba\u98ce\u8868\u683c\uff1a\u53bb\u9664\u7b28\u91cd\u8272\u5757\uff0c\u7528\u7ebf\u6761\u5b9a\u4e49\u7a7a\u95f4 *\/\n  #qjkh-elevator-specs-module .qjkh-table-zone {\n    width: 100% !important;\n    margin: 30px 0 !important; \/* \u8868\u683c\u4e0a\u4e0b\u7559\u51fa\u5145\u88d5\u7684\u8d1f\u7a7a\u95f4 *\/\n    overflow-x: auto !important;\n    -webkit-overflow-scrolling: touch !important;\n  }\n\n  #qjkh-elevator-specs-module .qjkh-data-table {\n    width: 100% !important;\n    min-width: 850px !important; \/* \u4fdd\u8bc1\u8868\u683c\u5728\u7a84\u5c4f\u4e0d\u88ab\u8fc7\u5ea6\u538b\u7f29 *\/\n    border-collapse: collapse !important;\n    border-spacing: 0 !important;\n    text-align: left !important;\n  }\n\n  \/* \u8868\u5934\uff1a\u653e\u5f03\u80cc\u666f\u8272\uff0c\u91c7\u7528\u7ecf\u5178\u7684\u4e0a\u4e0b\u7c97\u7ebf\u5212\u5206 *\/\n  #qjkh-elevator-specs-module .qjkh-data-table th {\n    font-size: 15px !important;\n    font-weight: 700 !important;\n    color: #181818 !important;\n    padding: 18px 20px !important;\n    border-top: 2px solid #303030 !important; \/* \u9876\u90e8\u5f3a\u5316 *\/\n    border-bottom: 2px solid #303030 !important; \/* \u5e95\u90e8\u5f3a\u5316 *\/\n    background: transparent !important;\n    white-space: nowrap !important;\n  }\n\n  \/* \u8868\u683c\u5185\u5bb9\uff1a\u6781\u6de1\u7684\u5206\u5272\u7ebf *\/\n  #qjkh-elevator-specs-module .qjkh-data-table td {\n    padding: 16px 20px !important;\n    font-size: 15px !important;\n    color: #484848 !important;\n    border-bottom: 1px solid #EAEAEA !important; \n    vertical-align: middle !important;\n  }\n\n  #qjkh-elevator-specs-module .qjkh-data-table tbody tr:hover td {\n    background-color: #F8F8F8 !important; \/* \u6781\u5176\u5fae\u5999\u7684\u60ac\u505c\uff0c\u63d0\u4f9b\u957f\u884c\u9605\u8bfb\u6307\u5f15 *\/\n  }\n\n  \/* 6. \u884c\u52a8\u53f7\u53ec\u6309\u94ae\uff1a\u6241\u5e73\u3001\u679c\u65ad *\/\n  #qjkh-elevator-specs-module .qjkh-btn-wrapper {\n    display: flex !important;\n    justify-content: flex-start !important; \/* \u5728900px\u7684\u6587\u672c\u5757\u5185\u5de6\u5bf9\u9f50\uff0c\u538b\u4f4f\u89c6\u89c9\u5e95\u89d2 *\/\n  }\n\n  #qjkh-elevator-specs-module .qjkh-button {\n    display: inline-block !important;\n    background-color: #303030 !important;\n    color: #FFFFFF !important;\n    font-size: 16px !important;\n    font-weight: 600 !important;\n    text-decoration: none !important;\n    padding: 16px 40px !important;\n    border: none !important;\n    transition: background-color 0.2s ease !important;\n  }\n\n  #qjkh-elevator-specs-module .qjkh-button:hover {\n    background-color: #181818 !important;\n  }\n\n  \/* 7. \u79fb\u52a8\u7aef\u5b8c\u7f8e\u6298\u53e0 *\/\n  @media (max-width: 900px) {\n    #qjkh-elevator-specs-module .qjkh-lead-text,\n    #qjkh-elevator-specs-module .qjkh-body-text,\n    #qjkh-elevator-specs-module .qjkh-cta-text {\n      text-align: left !important; \/* \u7a84\u5c4f\u53d6\u6d88\u4e24\u7aef\u5bf9\u9f50\uff0c\u9632\u6b62\u5355\u8bcd\u95f4\u6b47\u51fa\u73b0\u201c\u6df1\u5751\u201d *\/\n    }\n  }\n\n  @media (max-width:690px) {\n    #qjkh-elevator-specs-module {\n      padding: 40px 15px !important;\n    }\n    #qjkh-elevator-specs-module .qjkh-h2-title {\n      font-size: 26px !important;\n      margin-bottom: 30px !important;\n      text-align: left !important; \/* \u624b\u673a\u7aef\u6807\u9898\u5de6\u5bf9\u9f50\u66f4\u5229\u4e8e\u5feb\u901f\u626b\u8bfb *\/\n    }\n    #qjkh-elevator-specs-module .qjkh-table-zone {\n      margin: 30px 0 !important;\n    }\n    #qjkh-elevator-specs-module .qjkh-btn-wrapper {\n      justify-content: center !important;\n    }\n    #qjkh-elevator-specs-module .qjkh-button {\n      width: 100% !important;\n      text-align: center !important;\n      box-sizing: border-box !important;\n    }\n  }\n<\/style>\n\n<section id=\"qjkh-elevator-specs-module\">\n  <div class=\"qjkh-container\">\n    \n    <h2 class=\"qjkh-h2-title\">QJKH Elevator Light Curtain Series<\/h2>\n    \n    <div class=\"qjkh-text-zone\">\n      <p class=\"qjkh-lead-text\">\n        Our elevator door sensor family covers standard passenger lifts, freight elevators, and wheelchair-accessible units. Each system ships as a matched transmitter-receiver pair complete with power box and cable &#8211; ready for installing on car door rails.\n      <\/p>\n    <\/div>\n\n    <div class=\"qjkh-table-zone\">\n      <table class=\"qjkh-data-table\">\n        <thead>\n          <tr>\n            <th>Parameter<\/th>\n            <th>Standard Series<\/th>\n            <th>Slim Series<\/th>\n            <th>High-Beam Series<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td>Optical Axis Spacing<\/td>\n            <td>20 mm<\/td>\n            <td>10 mm<\/td>\n            <td>10 mm<\/td>\n          <\/tr>\n          <tr>\n            <td>Detection Accuracy<\/td>\n            <td>25 mm<\/td>\n            <td>14 mm<\/td>\n            <td>14 mm<\/td>\n          <\/tr>\n          <tr>\n            <td>Detection Distance<\/td>\n            <td>0\u201310 m (Type A)<\/td>\n            <td>0\u20135 m (Type C)<\/td>\n            <td>0\u201316 m (Type B)<\/td>\n          <\/tr>\n          <tr>\n            <td>Operating Voltage<\/td>\n            <td>DC 24V \u00b120%<\/td>\n            <td>DC 24V \u00b120%<\/td>\n            <td>AC 220V \/ DC 24V<\/td>\n          <\/tr>\n          <tr>\n            <td>Response Time<\/td>\n            <td>6.0\u201330.8 ms<\/td>\n            <td>6.0\u201318.4 ms<\/td>\n            <td>6.0\u201330.8 ms<\/td>\n          <\/tr>\n          <tr>\n            <td>Protection Rating<\/td>\n            <td>IP65<\/td>\n            <td>IP65<\/td>\n            <td>IP65<\/td>\n          <\/tr>\n          <tr>\n            <td>Cross-Section<\/td>\n            <td>34 \u00d7 28 mm<\/td>\n            <td>34 \u00d7 28 mm<\/td>\n            <td>34 \u00d7 28 mm<\/td>\n          <\/tr>\n          <tr>\n            <td>Light Interference<\/td>\n            <td>Sunlight 10,000 lux<\/td>\n            <td>Sunlight 10,000 lux<\/td>\n            <td>Sunlight 10,000 lux<\/td>\n          <\/tr>\n          <tr>\n            <td>Configuration<\/td>\n            <td>Infrared remote<\/td>\n            <td>Infrared remote \/ APP<\/td>\n            <td>Infrared remote \/ APP<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n\n    <div class=\"qjkh-text-zone1\">\n      <p class=\"qjkh-body-text\">\n        All units incorporate PNP\/NPN one-button configurable output, compatible with the elevator control systems from leading OEMs. The optical synchronization channel uses B dual-frequency band to prevent interference between adjacent elevator door detectors in the same shaft.\n      <\/p>\n      \n      <p class=\"qjkh-cta-text\">\n        Struggling to specify a light curtain suitable for your elevator controller? Our applications engineers can recommend the ideal unit.\n      <\/p>\n\n      <div class=\"qjkh-btn-wrapper\">\n        <a href=\"#ct-popup-788\" class=\"qjkh-button\">Get Model Recommendation<\/a>\n      <\/div>\n    <\/div>\n\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-bbcb73b\" data-block-id=\"bbcb73b\"><style>.stk-bbcb73b {margin-bottom:0px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-bbcb73b-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-d048f48\" data-v=\"4\" data-block-id=\"d048f48\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-d048f48-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-d048f48-inner-blocks\">\n<style>\n  \/* 1. \u9876\u7ea7ID\u4e25\u683c\u9694\u79bb *\/\n  #qjkh-elevator-features-module {\n    width: 100% !important;\n    background-color: #F0F0F0 !important; \/* \u4f7f\u7528\u526f\u8272\u8c03\u4f5c\u4e3a\u80cc\u666f\uff0c\u4e0e\u4e0a\u4e00\u4e2a\u900f\u660e\u6a21\u5757\u5f62\u6210\u4ea4\u66ff\u8282\u594f *\/\n    padding: 40px 20px !important; \/* \u9075\u5faa Section \u7559\u767d\u903b\u8f91 *\/\n    box-sizing: border-box !important;\n    display: flex !important;\n    justify-content: center !important;\n  }\n\n  \/* 2. \u6838\u5fc3\u5bb9\u5668\uff1a\u9650\u5236\u6700\u5927\u5bbd\u5ea6 1280px *\/\n  #qjkh-elevator-features-module .qjkh-container {\n    width: 100% !important;\n    max-width: 1280px !important;\n    display: flex !important;\n    flex-direction: column !important;\n    align-items: center !important;\n  }\n\n  \/* 3. SEO \u6838\u5fc3 H2 \u6807\u9898 *\/\n  #qjkh-elevator-features-module .qjkh-h2-title {\n    font-size: 32px !important; \/* \u7ee7\u627f\u5168\u5c40\u9ed8\u8ba4 32px *\/\n    color: #181818 !important; \/* \u6700\u6df1\u8272\uff0c\u89c6\u89c9\u951a\u70b9 *\/\n    text-align: center !important;\n    margin: 0 0 50px 0 !important;\n    line-height: 1.3 !important;\n    font-weight: 700 !important;\n    max-width: 1000px !important; \/* \u9650\u5236\u5bbd\u5ea6\uff0c\u5b8c\u7f8e\u5c45\u4e2d *\/\n  }\n\n  \/* 4. \u7edf\u4e00\u7684\u7eaf\u6587\u672c\u9605\u8bfb\u533a (\u6536\u62e2\u81f3 900px \u6d88\u9664\u8fb9\u7f18\u7559\u767d) *\/\n  #qjkh-elevator-features-module .qjkh-content-zone {\n    width: 100% !important;\n    max-width: 1280px !important;\n    display: flex !important;\n    flex-direction: column !important;\n    gap: 40px !important; \/* \u6a21\u5757\u4e4b\u95f4\u7684\u7edf\u4e00\u6b65\u8c03 *\/\n  }\n\n  \/* \u5f15\u5bfc\u6bb5\u843d\uff1a\u5f3a\u5316\u6392\u7248 *\/\n  #qjkh-elevator-features-module .qjkh-lead-text {\n    font-size: 18px !important;\n    color: #303030 !important; \/* \u4e3b\u8272\u8c03 *\/\n    line-height: 1.8 !important;\n    margin: 0 !important;\n    text-align: justify !important; \/* \u5bbd\u5c4f\u5200\u5207\u822c\u4e24\u7aef\u5bf9\u9f50 *\/\n    font-weight: 500 !important;\n  }\n\n  \/* \u6b21\u7ea7\u5b50\u533a\u5757 (\u65e0\u5361\u7247\uff0c\u7eaf\u6587\u672c\u6d41) *\/\n  #qjkh-elevator-features-module .qjkh-sub-section {\n    display: flex !important;\n    flex-direction: column !important;\n    padding-top: 30px !important;\n    border-top: 2px solid #303030 !important; \/* \u793e\u8bba\u7ea7\u6392\u7248\u7684\u6838\u5fc3\uff1a\u7528\u7ebf\u6761\u4ee3\u66ff\u8fb9\u6846 *\/\n  }\n\n  \/* SEO \u4f18\u5316\u7684 H3 \u6807\u9898 *\/\n  #qjkh-elevator-features-module .qjkh-h3-title {\n    font-size: 22px !important;\n    color: #181818 !important;\n    margin: 0 0 20px 0 !important;\n    line-height: 1.4 !important;\n    font-weight: 700 !important;\n  }\n\n  \/* 5. \u5de5\u4e1a\u98ce\u8ba4\u8bc1\u94ed\u724c (\u4ee3\u66ff\u65e0\u804a\u7684 Bullet Points) *\/\n  #qjkh-elevator-features-module .qjkh-badge-group {\n    display: flex !important;\n    flex-wrap: wrap !important; \/* \u81ea\u52a8\u6298\u884c\uff0c\u7edd\u4e0d\u7834\u7248 *\/\n    gap: 12px !important;\n    margin: 0 0 20px 0 !important;\n  }\n\n  #qjkh-elevator-features-module .qjkh-badge {\n    background-color: #303030 !important; \/* \u4e3b\u8272\u8c03\u586b\u5145 *\/\n    color: #F0F0F0 !important; \/* \u526f\u8272\u8c03\u6587\u5b57 *\/\n    font-size: 14px !important;\n    font-weight: 600 !important;\n    padding: 8px 16px !important;\n    border-radius: 2px !important; \/* \u6781\u5c0f\u5706\u89d2\uff0c\u5de5\u4e1a\u5207\u5272\u611f *\/\n    letter-spacing: 0.5px !important;\n    display: inline-block !important;\n  }\n\n  \/* \u6b63\u6587\u6392\u7248 *\/\n  #qjkh-elevator-features-module .qjkh-body-text {\n    font-size: 16px !important;\n    color: #484848 !important; \/* \u526f\u8272\u8c03\u6b63\u6587 *\/\n    line-height: 1.8 !important;\n    margin: 0 !important;\n    text-align: justify !important;\n  }\n\n  \/* 6. \u79fb\u52a8\u7aef\u81ea\u9002\u5e94\u6298\u53e0 *\/\n  @media (max-width:690px) {\n    #qjkh-elevator-features-module {\n      padding: 40px 15px !important;\n    }\n    #qjkh-elevator-features-module .qjkh-h2-title {\n      font-size: 26px !important;\n      margin-bottom: 30px !important;\n      text-align: left !important; \/* \u7a84\u5c4f\u5de6\u5bf9\u9f50\u6613\u8bfb *\/\n    }\n    #qjkh-elevator-features-module .qjkh-lead-text,\n    #qjkh-elevator-features-module .qjkh-body-text {\n      text-align: left !important; \/* \u7a84\u5c4f\u53d6\u6d88 Justify\uff0c\u9632\u6b62\u82f1\u6587\u5355\u8bcd\u65ad\u5c42 *\/\n      font-size: 16px !important;\n    }\n    #qjkh-elevator-features-module .qjkh-sub-section {\n      padding-top: 20px !important;\n    }\n    #qjkh-elevator-features-module .qjkh-badge {\n      font-size: 13px !important; \/* \u624b\u673a\u7aef\u94ed\u724c\u5fae\u7f29 *\/\n      padding: 6px 12px !important;\n    }\n  }\n<\/style>\n\n<section id=\"qjkh-elevator-features-module\">\n  <div class=\"qjkh-container\">\n    \n    <h2 class=\"qjkh-h2-title\">Key Features and Technical Specifications<\/h2>\n    \n    <div class=\"qjkh-content-zone\">\n      \n      <p class=\"qjkh-lead-text\">\n        The differentiation between a rugged elevator light curtain and a mass-market sensor boils down to three factors &#8211; time to response is not the most critical. Manufacturer industry test programs cite diode count as the number-one determinant of performance. A 32-diode detector finds 50 mm objects with no detection gaps at all, while a 24-diode unit leaves gaps in the upper door edges where passengers are at greatest risk.\n      <\/p>\n\n      <div class=\"qjkh-sub-section\">\n        <h3 class=\"qjkh-h3-title\">Safety Certifications<\/h3>\n        \n        <div class=\"qjkh-badge-group\">\n          <span class=\"qjkh-badge\">\ud83d\udee1\ufe0f T\u00dcV Certified<\/span>\n          <span class=\"qjkh-badge\">Cat.4 \/ PL e<\/span>\n          <span class=\"qjkh-badge\">Type 4 \/ SIL 3<\/span>\n          <span class=\"qjkh-badge\">IP65 Rated<\/span>\n          <span class=\"qjkh-badge\">EN 81-20 Ready<\/span>\n        <\/div>\n\n        <p class=\"qjkh-body-text\">\n          Our elevator light curtain units build on the infrastructure of the safety light curtain platform \u2014 T\u00dcV certified to Cat.4, Performance Level e, Type 4, and SIL 3. Integrated vibration damping handles the mechanical stress of thousands of door cycles per day, and IP65 ingress protection keeps the sensor operational in parking garages and freight environments where dust and moisture are constant.\n        <\/p>\n      <\/div>\n\n      <div class=\"qjkh-sub-section\">\n        <h3 class=\"qjkh-h3-title\">Cascading Design for Large Openings<\/h3>\n        \n        <p class=\"qjkh-body-text\">\n          For freight elevators and wide-door passenger lifts, QJKH elevator light curtains accommodate a cascading adapter system \u2014 multiple light curtain units link into a single protection network with unified scheduling. Add or remove units based on the opening width without replacing the entire installation.\n        <\/p>\n      <\/div>\n\n    <\/div>\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-a310339\" data-block-id=\"a310339\"><style>.stk-a310339 {margin-bottom:0px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-a310339-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-c384a4f\" data-v=\"4\" data-block-id=\"c384a4f\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-c384a4f-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-c384a4f-inner-blocks\">\n<style>\n  \/* 1. \u9876\u7ea7ID\u4f5c\u7528\u57df\uff1a\u4e25\u683c\u9694\u79bb\u6240\u6709\u6837\u5f0f *\/\n  #qjkh-elevator-comparison-module {\n    width: 100% !important;\n    background-color: transparent !important; \/* \u878d\u5165\u9875\u9762\u80cc\u666f\uff0c\u4fdd\u6301\u6241\u5e73\u5316 *\/\n    padding: 40px 20px !important; \/* \u9075\u5faa Section \u7559\u767d\u903b\u8f91\uff0c\u63d0\u4f9b\u547c\u5438\u611f *\/\n    box-sizing: border-box !important;\n    display: flex !important;\n    justify-content: center !important;\n  }\n\n  \/* 2. \u6838\u5fc3\u5bb9\u5668\uff1a\u6700\u5927\u5bbd\u5ea61280px\uff0c\u5185\u5bb9\u5c45\u4e2d\u5bf9\u9f50 *\/\n  #qjkh-elevator-comparison-module .qjkh-container {\n    width: 100% !important;\n    max-width: 1280px !important;\n    display: flex !important;\n    flex-direction: column !important;\n    align-items: center !important;\n  }\n\n  \/* 3. \u8bed\u4e49\u5316\u4e14\u4e25\u683c\u9694\u79bb\u7684 H2 \u6807\u9898 *\/\n  #qjkh-elevator-comparison-module .qjkh-h2-title {\n    font-size: 32px !important; \/* \u7ee7\u627f\u9ed8\u8ba4\u8bbe\u5b9a *\/\n    color: #181818 !important; \/* \u6781\u6df1\u526f\u8272\u8c03 *\/\n    text-align: center !important;\n    margin: 0 0 30px 0 !important;\n    line-height: 1.3 !important;\n    font-weight: 700 !important;\n    max-width: 1200px !important; \/* \u9650\u5236\u6807\u9898\u5bbd\u5ea6\u4ee5\u83b7\u5f97\u6781\u4f73\u7684\u65ad\u53e5\u6362\u884c *\/\n  }\n\n  \/* 4. \u7eaf\u6587\u672c\u533a\u63a7\u5236\uff1a\u9650\u5236\u4e3a900px\uff0c\u6d88\u9664\u8fb9\u7f18\u7559\u767d *\/\n  #qjkh-elevator-comparison-module .qjkh-text-zone {\n    width: 100% !important;\n    max-width: 1280px !important;\n    display: flex !important;\n    flex-direction: column !important;\n  }\n\n  #qjkh-elevator-comparison-module .qjkh-lead-text,\n  #qjkh-elevator-comparison-module .qjkh-body-text,\n  #qjkh-elevator-comparison-module .qjkh-cta-text {\n    font-size: 16px !important;\n    color: #484848 !important;\n    line-height: 1.8 !important;\n    margin: 0 0 20px 0 !important;\n    text-align: justify !important; \/* \u5bbd\u5c4f\u72b6\u6001\u4e0b\u4e24\u7aef\u5bf9\u9f50\uff0c\u8fb9\u7f18\u5982\u5200\u5207 *\/\n    text-justify: inter-word !important;\n  }\n\n  #qjkh-elevator-comparison-module .qjkh-lead-text {\n    font-size: 18px !important;\n    color: #303030 !important;\n    font-weight: 500 !important;\n    margin-bottom: 40px !important; \/* \u4e0e\u8868\u683c\u62c9\u5f00\u8ddd\u79bb *\/\n  }\n\n  #qjkh-elevator-comparison-module .qjkh-cta-text {\n    font-weight: 500 !important;\n    color: #303030 !important;\n    margin-bottom: 30px !important;\n  }\n\n  \/* 5. \u793e\u8bba\u7ea7\u6a2a\u5411\u6ed1\u52a8\u8868\u683c *\/\n  #qjkh-elevator-comparison-module .qjkh-table-zone {\n    width: 100% !important;\n    margin: 0 0 50px 0 !important;\n    overflow-x: auto !important; \/* \u79fb\u52a8\u7aef\u9632\u7834\u7248\u6838\u5fc3 *\/\n    -webkit-overflow-scrolling: touch !important;\n  }\n\n  #qjkh-elevator-comparison-module .qjkh-data-table {\n    width: 100% !important;\n    min-width: 900px !important; \/* \u56db\u5217\u6570\u636e\uff0c\u786e\u4fdd\u6700\u5c0f\u5bbd\u5ea6\u4ee5\u9632\u6324\u538b *\/\n    border-collapse: collapse !important;\n    border-spacing: 0 !important;\n    text-align: left !important;\n  }\n\n  \/* \u8868\u5934\uff1a\u653e\u5f03\u5eb8\u4fd7\u7684\u80cc\u666f\u8272\uff0c\u91c7\u7528\u6781\u7b80\u53cc\u6a2a\u7ebf *\/\n  #qjkh-elevator-comparison-module .qjkh-data-table th {\n    font-size: 15px !important;\n    font-weight: 700 !important;\n    color: #181818 !important;\n    padding: 18px 20px !important;\n    border-top: 2px solid #303030 !important;\n    border-bottom: 2px solid #303030 !important;\n    background: transparent !important;\n    white-space: nowrap !important;\n  }\n\n  \/* \u5355\u5143\u683c\uff1a\u6e05\u723d\u7684\u6392\u7248\u4e0e\u6781\u6de1\u7684\u5e95\u7ebf *\/\n  #qjkh-elevator-comparison-module .qjkh-data-table td {\n    padding: 16px 20px !important;\n    font-size: 15px !important;\n    color: #484848 !important;\n    border-bottom: 1px solid #EAEAEA !important;\n    vertical-align: top !important; \/* \u56db\u5217\u5185\u5bb9\u957f\u77ed\u4e0d\u4e00\uff0c\u9876\u90e8\u5bf9\u9f50\u6700\u6574\u6d01 *\/\n    line-height: 1.6 !important;\n  }\n\n  #qjkh-elevator-comparison-module .qjkh-data-table td:first-child {\n    font-weight: 600 !important; \/* \u7b2c\u4e00\u5217\uff08Feature\uff09\u52a0\u7c97\uff0c\u5efa\u7acb\u89c6\u89c9\u5f15\u5bfc\u7ebf *\/\n    color: #303030 !important;\n  }\n\n  #qjkh-elevator-comparison-module .qjkh-data-table tbody tr:hover td {\n    background-color: #F8F8F8 !important; \/* \u5fae\u5f31\u60ac\u505c\u6548\u679c\uff0c\u8f85\u52a9\u957f\u884c\u9605\u8bfb *\/\n  }\n\n  \/* 6. \u884c\u52a8\u53f7\u53ec (CTA) \u6309\u94ae *\/\n  #qjkh-elevator-comparison-module .qjkh-btn-wrapper {\n    display: flex !important;\n    justify-content: flex-start !important; \/* \u5728900px\u9605\u8bfb\u533a\u5185\u5c45\u5de6\uff0c\u7a33\u4f4f\u7248\u9762\u91cd\u5fc3 *\/\n  }\n\n  #qjkh-elevator-comparison-module .qjkh-button {\n    display: inline-block !important;\n    background-color: #303030 !important;\n    color: #FFFFFF !important;\n    font-size: 16px !important;\n    font-weight: 600 !important;\n    text-decoration: none !important;\n    padding: 16px 40px !important;\n    border: none !important;\n    border-radius: 2px !important; \/* \u5de5\u4e1a\u611f\u5fae\u5c0f\u5706\u89d2 *\/\n    transition: background-color 0.2s ease !important;\n  }\n\n  #qjkh-elevator-comparison-module .qjkh-button:hover {\n    background-color: #181818 !important;\n  }\n\n  \/* 7. \u79fb\u52a8\u7aef\u81ea\u9002\u5e94\u903b\u8f91 *\/\n  @media (max-width: 900px) {\n    #qjkh-elevator-comparison-module .qjkh-lead-text,\n    #qjkh-elevator-comparison-module .qjkh-body-text,\n    #qjkh-elevator-comparison-module .qjkh-cta-text {\n      text-align: left !important; \/* \u53d6\u6d88\u5f3a\u5236\u4e24\u7aef\u5bf9\u9f50\uff0c\u9632\u6b62\u5355\u8bcd\u95f4\u8ddd\u8fc7\u5927 *\/\n    }\n  }\n\n  @media (max-width:690px) {\n    #qjkh-elevator-comparison-module {\n      padding: 40px 15px !important;\n    }\n    #qjkh-elevator-comparison-module .qjkh-h2-title {\n      font-size: 26px !important;\n      margin-bottom: 30px !important;\n      text-align: left !important;\n    }\n    #qjkh-elevator-comparison-module .qjkh-btn-wrapper {\n      justify-content: center !important;\n    }\n    #qjkh-elevator-comparison-module .qjkh-button {\n      width: 100% !important;\n      text-align: center !important;\n      box-sizing: border-box !important;\n    }\n  }\n<\/style>\n\n<section id=\"qjkh-elevator-comparison-module\">\n  <div class=\"qjkh-container\">\n    \n    <h2 class=\"qjkh-h2-title\">Light Curtain vs Safety Edge vs 3D Sensor \u2014 Which One Fits Your Lift?<\/h2>\n    \n    <div class=\"qjkh-text-zone\">\n      <p class=\"qjkh-lead-text\">\n        Elevator door protection technology has evolved through three generations. Mechanical safety edges still serve millions of older lifts \u2014 including many with legacy WECO units installed decades ago \u2014 but noncontact detection dominates new installations and modernizations. This list compares published manufacturer data &#8211; not marketing claims.\n      <\/p>\n    <\/div>\n\n    <div class=\"qjkh-table-zone\">\n      <table class=\"qjkh-data-table\">\n        <thead>\n          <tr>\n            <th>Feature<\/th>\n            <th>2D Light Curtain<\/th>\n            <th>Mechanical Safety Edge<\/th>\n            <th>3D Sensor (ToF)<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td>Detection Method<\/td>\n            <td>Non-contact infrared beams<\/td>\n            <td>Physical contact \/ retraction<\/td>\n            <td>Time-of-Flight projection<\/td>\n          <\/tr>\n          <tr>\n            <td>Response Time<\/td>\n            <td>6\u201331 ms<\/td>\n            <td>50\u2013200 ms (mechanical delay)<\/td>\n            <td>30\u2013100 ms<\/td>\n          <\/tr>\n          <tr>\n            <td>Min. Object Detection<\/td>\n            <td>14 mm (criss-cross)<\/td>\n            <td>~25 mm (contact required)<\/td>\n            <td>50 mm typical<\/td>\n          <\/tr>\n          <tr>\n            <td>Detection Zone<\/td>\n            <td>Full door width, 25\u20131,600 mm height<\/td>\n            <td>Door edge only<\/td>\n            <td>3D zone extending into corridor<\/td>\n          <\/tr>\n          <tr>\n            <td>Wear Parts<\/td>\n            <td>None<\/td>\n            <td>Rubber edge, springs, pivots<\/td>\n            <td>None<\/td>\n          <\/tr>\n          <tr>\n            <td>Sunlight Immunity<\/td>\n            <td>10,000 lux<\/td>\n            <td>N\/A (mechanical)<\/td>\n            <td>Varies by model<\/td>\n          <\/tr>\n          <tr>\n            <td>EN 81-20 Compliance<\/td>\n            <td>\u2714 Native<\/td>\n            <td>Legacy \u2014 may not meet 50 mm req.<\/td>\n            <td>\u2714 ASME A17.1-2019<\/td>\n          <\/tr>\n          <tr>\n            <td>Installation<\/td>\n            <td>Car door rails, no controller mod<\/td>\n            <td>Door edge replacement<\/td>\n            <td>Transom or header mount<\/td>\n          <\/tr>\n          <tr>\n            <td>Best For<\/td>\n            <td>Standard + freight lifts (cost-effective)<\/td>\n            <td>Budget retrofit on legacy lifts<\/td>\n            <td>High-traffic public facilities<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n\n    <div class=\"qjkh-text-zone\">\n      <p class=\"qjkh-body-text\">\n        For most of passenger and freight elevator installations, a 2D infrared light curtain provides the most effective balance of detection precision, code compliance, and ease of installation. 3D sensors may be beneficial in high-volume settings &#8211; airports, hospital, shopping malls &#8211; where precursory detection of oncoming objects before they enter the door plane minimizes door impacts and corresponding damage.\n      <\/p>\n      \n      <p class=\"qjkh-cta-text\">\n        Not sure which technology fits your project? Get a free assessment from our engineering team.\n      <\/p>\n\n      <div class=\"qjkh-btn-wrapper\">\n        <a href=\"#ct-popup-788\" class=\"qjkh-button\">Request Free Sample<\/a>\n      <\/div>\n    <\/div>\n\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-87e5249\" data-block-id=\"87e5249\"><style>.stk-87e5249 {margin-bottom:0px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-87e5249-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-30b566f\" data-v=\"4\" data-block-id=\"30b566f\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-30b566f-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-30b566f-inner-blocks\">\n<style>\n  \/* 1. \u6700\u9ad8\u7ea7\u522b\u7684\u4f5c\u7528\u57df\u9694\u79bb *\/\n  #qjkh-elevator-oem-module {\n    width: 100% !important;\n    background-color: #F0F0F0 !important; \/* \u4f7f\u7528\u526f\u8272\u8c03\u6784\u5efa\u4ea4\u66ff\u7684\u533a\u5757\u8282\u594f *\/\n    padding: 40px 20px !important; \/* \u4e25\u683c\u9075\u5faa\u4f60\u8981\u6c42\u7684 40px \u7559\u767d\u903b\u8f91 *\/\n    box-sizing: border-box !important;\n    display: flex !important;\n    justify-content: center !important;\n  }\n\n  \/* 2. \u6838\u5fc3\u5bb9\u5668\uff0c\u6700\u5927\u5bbd\u5ea6\u9650\u5236 *\/\n  #qjkh-elevator-oem-module .qjkh-container {\n    width: 100% !important;\n    max-width: 1280px !important;\n    display: flex !important;\n    flex-direction: column !important;\n    align-items: center !important;\n  }\n\n  \/* 3. SEO \u4f18\u5316\u7684\u4e3b\u6807\u9898 (H2) *\/\n  #qjkh-elevator-oem-module .qjkh-h2-title {\n    font-size: 32px !important; \/* \u7ee7\u627f Blocksy \u9ed8\u8ba4\u8bbe\u5b9a *\/\n    color: #181818 !important; \/* \u6781\u6df1\u526f\u8272\u8c03 *\/\n    text-align: center !important;\n    margin: 0 0 30px 0 !important;\n    line-height: 1.3 !important;\n    font-weight: 700 !important;\n    max-width: 1000px !important;\n  }\n\n  \/* 4. \u6838\u5fc3\u9605\u8bfb\u4e0e\u6570\u636e\u533a\uff1a\u4e25\u683c\u9650\u5236\u5728 900px \u5185\uff0c\u9632\u6b62\u4e24\u5217\u6570\u636e\u8fc7\u5ea6\u62c9\u4f38 *\/\n  #qjkh-elevator-oem-module .qjkh-content-zone {\n    width: 100% !important;\n    max-width: 1280px !important;\n    display: flex !important;\n    flex-direction: column !important;\n  }\n\n  \/* \u5f15\u8a00\u6bb5\u843d *\/\n  #qjkh-elevator-oem-module .qjkh-lead-text {\n    font-size: 16px !important;\n    color: #484848 !important;\n    line-height: 1.8 !important;\n    margin: 0 0 30px 0 !important;\n    text-align: justify !important; \/* \u5bbd\u5c4f\u4e0b\u4e24\u7aef\u5bf9\u9f50 *\/\n    text-justify: inter-word !important;\n  }\n\n  \/* \u6b21\u7ea7\u6807\u9898 (H3) - \u5e26\u6709\u5de5\u4e1a\u98ce\u7684\u5e95\u90e8\u5207\u7ebf *\/\n  #qjkh-elevator-oem-module .qjkh-h3-title {\n    font-size: 22px !important;\n    color: #181818 !important;\n    margin: 0 0 20px 0 !important;\n    padding-bottom: 15px !important;\n    border-bottom: 2px solid #303030 !important; \/* \u4e3b\u8272\u8c03\u5206\u5272\u7ebf\uff0c\u5f3a\u5316\u5c42\u7ea7 *\/\n    font-weight: 700 !important;\n  }\n\n  \/* 5. \u89c4\u683c\u4e66\u7ea7\u8868\u683c (Specification Table) *\/\n  #qjkh-elevator-oem-module .qjkh-terms-table {\n    width: 100% !important;\n    border-collapse: collapse !important;\n    border-spacing: 0 !important;\n    margin-bottom: 40px !important;\n  }\n\n  \/* \u8868\u5934\u5355\u5143\u683c (Key) *\/\n  #qjkh-elevator-oem-module .qjkh-terms-table th {\n    width: 25% !important; \/* \u63a7\u5236\u5de6\u4fa7\u5bbd\u5ea6\uff0c\u4fdd\u6301\u53f3\u4fa7\u8bf4\u660e\u7a7a\u95f4\u5145\u8db3 *\/\n    font-size: 15px !important;\n    font-weight: 700 !important;\n    color: #303030 !important;\n    text-align: left !important;\n    padding: 16px 0 !important;\n    vertical-align: top !important;\n    border-bottom: 1px solid rgba(48,48,48,0.1) !important; \/* \u6781\u5176\u5fae\u5999\u7684\u5e95\u7ebf\uff0c\u878d\u5165 F0F0F0 \u80cc\u666f *\/\n  }\n\n  \/* \u6570\u636e\u5355\u5143\u683c (Value) *\/\n  #qjkh-elevator-oem-module .qjkh-terms-table td {\n    width: 75% !important;\n    font-size: 15px !important;\n    color: #484848 !important;\n    padding: 16px 0 16px 20px !important;\n    vertical-align: top !important;\n    line-height: 1.6 !important;\n    border-bottom: 1px solid rgba(48,48,48,0.1) !important;\n  }\n\n  \/* 6. \u884c\u52a8\u53f7\u53ec\u6309\u94ae (CTA) *\/\n  #qjkh-elevator-oem-module .qjkh-btn-wrapper {\n    display: flex !important;\n    justify-content: flex-start !important; \/* \u5de6\u5bf9\u9f50\uff0c\u538b\u4f4f\u7248\u9762\u9635\u811a *\/\n  }\n\n  #qjkh-elevator-oem-module .qjkh-button {\n    display: inline-block !important;\n    background-color: #303030 !important; \/* \u4e3b\u8272\u8c03 *\/\n    color: #FFFFFF !important;\n    font-size: 16px !important;\n    font-weight: 600 !important;\n    text-decoration: none !important;\n    padding: 16px 40px !important;\n    border: none !important;\n    border-radius: 2px !important;\n    transition: background-color 0.2s ease !important;\n  }\n\n  #qjkh-elevator-oem-module .qjkh-button:hover {\n    background-color: #181818 !important;\n  }\n\n  \/* 7. \u79fb\u52a8\u7aef\u81ea\u9002\u5e94\u903b\u8f91 *\/\n  @media (max-width:690px) {\n    #qjkh-elevator-oem-module {\n      padding: 30px 15px !important;\n    }\n    #qjkh-elevator-oem-module .qjkh-h2-title {\n      font-size: 26px !important;\n      text-align: left !important; \/* \u624b\u673a\u7aef\u5de6\u5bf9\u9f50\uff0c\u5feb\u901f\u626b\u8bfb *\/\n      margin-bottom: 30px !important;\n    }\n    #qjkh-elevator-oem-module .qjkh-lead-text {\n      text-align: left !important; \/* \u53d6\u6d88\u4e24\u7aef\u5bf9\u9f50 *\/\n      margin-bottom: 40px !important;\n    }\n    \/* \u624b\u673a\u7aef\u5c06\u8868\u683c\u8f6c\u6362\u4e3a\u4e0a\u4e0b\u5806\u53e0\u7684\u7ed3\u6784\uff0c\u9632\u6b62\u6587\u5b57\u88ab\u6324\u538b *\/\n    #qjkh-elevator-oem-module .qjkh-terms-table th,\n    #qjkh-elevator-oem-module .qjkh-terms-table td {\n      display: block !important;\n      width: 100% !important;\n      border-bottom: none !important;\n    }\n    #qjkh-elevator-oem-module .qjkh-terms-table th {\n      padding: 16px 0 4px 0 !important; \/* \u51cf\u5c0f\u6807\u9898\u4e0e\u5185\u5bb9\u7684\u95f4\u8ddd *\/\n    }\n    #qjkh-elevator-oem-module .qjkh-terms-table td {\n      padding: 0 0 16px 0 !important;\n      border-bottom: 1px solid rgba(48,48,48,0.1) !important; \/* \u5e95\u7ebf\u79fb\u81f3 td *\/\n    }\n    #qjkh-elevator-oem-module .qjkh-btn-wrapper {\n      justify-content: center !important;\n    }\n    #qjkh-elevator-oem-module .qjkh-button {\n      width: 100% !important;\n      text-align: center !important;\n      box-sizing: border-box !important;\n    }\n  }\n<\/style>\n\n<section id=\"qjkh-elevator-oem-module\">\n  <div class=\"qjkh-container\">\n    \n    <h2 class=\"qjkh-h2-title\">OEM &#038; Custom Elevator Light Curtain Supply<\/h2>\n    \n    <div class=\"qjkh-content-zone\">\n      \n      <p class=\"qjkh-lead-text\">\n        QJKH operates from a 5,000 m\u00b2 electronics manufacturing facility situated in Hangzhou Airport Economic Zone, utilizing SMT high-precision placement lines and MV-6eOMNI 3D AOI inspection systems. Every elevator light curtain unit undergoes electromagnetic compatibility testing, temperature and humidity cycling, vibration and shock trials, and IP ingress verification before shipment.\n      <\/p>\n\n      <h3 class=\"qjkh-h3-title\">Supply Terms<\/h3>\n      \n      <table class=\"qjkh-terms-table\">\n        <tbody>\n          <tr>\n            <th>Customization<\/th>\n            <td>Beam count, detection distance, voltage, protection height, branding (OEM white-label available)<\/td>\n          <\/tr>\n          <tr>\n            <th>Quality System<\/th>\n            <td>SMT production + 3D AOI + EMC\/vibration\/IP testing<\/td>\n          <\/tr>\n          <tr>\n            <th>Samples<\/th>\n            <td>Free test samples available upon request<\/td>\n          <\/tr>\n          <tr>\n            <th>Certifications<\/th>\n            <td>T\u00dcV, Cat.4, PL e, Type 4, SIL 3, CE, EN 81-20<\/td>\n          <\/tr>\n          <tr>\n            <th>Markets Served<\/th>\n            <td>Importers and distributors worldwide<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n\n      <div class=\"qjkh-btn-wrapper\">\n        <a href=\"#ct-popup-788\" class=\"qjkh-button\">Get OEM Quote<\/a>\n      <\/div>\n\n    <\/div>\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-daaceed\" data-block-id=\"daaceed\"><style>.stk-daaceed {margin-bottom:0px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-daaceed-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-89a6fb4\" data-v=\"4\" data-block-id=\"89a6fb4\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-89a6fb4-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-89a6fb4-inner-blocks\">\n<style>\n  \/* 1. \u9876\u7ea7ID\uff0c\u6700\u9ad8\u7ea7\u522b\u9694\u79bb *\/\n  #qjkh-elevator-tools-module {\n    width: 100% !important;\n    background-color: transparent !important; \/* \u878d\u5165\u9875\u9762\u80cc\u666f *\/\n    padding: 40px 20px !important; \/* \u9075\u5faa Section \u7559\u767d\u8282\u594f *\/\n    box-sizing: border-box !important;\n    display: flex !important;\n    justify-content: center !important;\n  }\n\n  #qjkh-elevator-tools-module * {\n    box-sizing: border-box !important;\n  }\n\n  \/* 2. \u6838\u5fc3\u5bb9\u5668\uff1a\u6700\u5927\u5bbd\u5ea6 1280px *\/\n  #qjkh-elevator-tools-module .qjkh-container {\n    width: 100% !important;\n    max-width: 1280px !important;\n    display: flex !important;\n    flex-direction: column !important;\n    align-items: center !important;\n  }\n\n  \/* 3. SEO \u4f18\u5316\u7684 H2 \u4e3b\u6807\u9898 *\/\n  #qjkh-elevator-tools-module .qjkh-h2-title {\n    font-size: 32px !important;\n    color: #181818 !important; \/* \u6781\u6df1\u526f\u8272\u8c03 *\/\n    text-align: center !important;\n    margin: 0 0 16px 0 !important;\n    line-height: 1.3 !important;\n    font-weight: 700 !important;\n  }\n\n  \/* \u5f15\u5bfc\u6bb5\u843d\uff1a\u9650\u5236\u5728 900px \u9ec4\u91d1\u9605\u8bfb\u5bbd\u5ea6\u5185 *\/\n  #qjkh-elevator-tools-module .qjkh-lead-text {\n    font-size: 16px !important;\n    color: #484848 !important;\n    text-align: center !important;\n    max-width: 1000px !important;\n    margin: 0 0 30px 0 !important;\n    line-height: 1.6 !important;\n  }\n\n  \/* 4. \u5de5\u4e1a\u98ce\u5361\u7247\u7f51\u683c\u5e03\u5c40 *\/\n  #qjkh-elevator-tools-module .qjkh-tools-grid {\n    display: grid !important;\n    grid-template-columns: 1fr 1fr !important; \/* \u53cc\u5217\u5e76\u6392 *\/\n    gap: 30px !important;\n    width: 100% !important;\n    max-width: 1280px !important; \/* \u9650\u5236\u5de5\u5177\u5361\u7247\u533a\u7684\u6700\u5927\u62c9\u4f38\u5bbd\u5ea6\uff0c\u907f\u514d\u8fc7\u4e8e\u7a7a\u65f7 *\/\n  }\n\n  \/* 5. \u786c\u6838\u5207\u5757 (Hard-edge Blocks) \u8bbe\u8ba1 - \u53d6\u4ee3\u5eb8\u4fd7\u6295\u5f71 *\/\n  #qjkh-elevator-tools-module .qjkh-tool-card {\n    display: flex !important;\n    flex-direction: column !important;\n    background-color: #FFFFFF !important;\n    border: 1px solid rgba(48,48,48,0.15) !important; \/* \u6781\u6de1\u8fb9\u6846 *\/\n    border-top: 4px solid #303030 !important; \/* \u9876\u90e8\u4e3b\u8272\u8c03\u538b\u9635 *\/\n    padding: 40px 30px !important;\n    text-decoration: none !important; \/* \u6d88\u9664\u94fe\u63a5\u4e0b\u5212\u7ebf *\/\n    transition: transform 0.3s ease, border-color 0.3s ease, background-color 0.3s ease !important;\n  }\n\n  \/* \u60ac\u505c\u4ea4\u4e92\uff1a\u80cc\u666f\u5fae\u6696\uff0c\u8fb9\u6846\u52a0\u6df1\uff0c\u4e0a\u6d6e *\/\n  #qjkh-elevator-tools-module .qjkh-tool-card:hover {\n    background-color: #FAFAFA !important;\n    border-color: rgba(48,48,48,0.3) !important;\n    transform: translateY(-5px) !important;\n  }\n\n  \/* \u5361\u7247\u5185\u90e8 H3 \u6807\u9898 *\/\n  #qjkh-elevator-tools-module .qjkh-h3-title {\n    font-size: 22px !important;\n    font-weight: 700 !important;\n    color: #181818 !important;\n    margin: 0 0 16px 0 !important;\n    line-height: 1.3 !important;\n    transition: color 0.3s ease !important;\n  }\n\n  #qjkh-elevator-tools-module .qjkh-tool-card:hover .qjkh-h3-title {\n    color: #303030 !important; \/* \u60ac\u505c\u65f6\u6807\u9898\u53d8\u4e3a\u6838\u5fc3\u4e3b\u8272\u8c03 *\/\n  }\n\n  \/* \u5361\u7247\u7b80\u4ecb\u6b63\u6587 *\/\n  #qjkh-elevator-tools-module .qjkh-card-desc {\n    font-size: 15px !important;\n    color: #484848 !important;\n    line-height: 1.7 !important;\n    margin: 0 0 30px 0 !important;\n    flex-grow: 1 !important; \/* \u786e\u4fdd\u5e95\u90e8\u6309\u94ae\u5bf9\u9f50 *\/\n  }\n\n  \/* \u884c\u52a8\u53f7\u53ec (CTA) \u6587\u672c\u94fe\u63a5\u98ce\u683c *\/\n  #qjkh-elevator-tools-module .qjkh-card-cta {\n    display: inline-flex !important;\n    align-items: center !important;\n    font-size: 15px !important;\n    font-weight: 600 !important;\n    color: #303030 !important;\n    text-transform: uppercase !important;\n    letter-spacing: 0.5px !important;\n  }\n\n  \/* \u60ac\u505c\u7bad\u5934\u52a8\u753b *\/\n  #qjkh-elevator-tools-module .qjkh-arrow {\n    margin-left: 8px !important;\n    transition: transform 0.3s ease !important;\n  }\n\n  #qjkh-elevator-tools-module .qjkh-tool-card:hover .qjkh-arrow {\n    transform: translateX(5px) !important; \/* \u60ac\u505c\u65f6\u7bad\u5934\u53f3\u79fb *\/\n  }\n\n  \/* 6. \u79fb\u52a8\u7aef\u81ea\u9002\u5e94\u6298\u53e0 *\/\n  @media (max-width:690px) {\n    #qjkh-elevator-tools-module {\n      padding: 40px 15px !important;\n    }\n    #qjkh-elevator-tools-module .qjkh-h2-title {\n      font-size: 26px !important;\n      text-align: left !important; \/* \u624b\u673a\u7aef\u6807\u9898\u5de6\u5bf9\u9f50 *\/\n      margin-bottom: 20px !important;\n    }\n    #qjkh-elevator-tools-module .qjkh-lead-text {\n      text-align: left !important;\n      font-size: 15px !important;\n      margin-bottom: 30px !important;\n    }\n    #qjkh-elevator-tools-module .qjkh-tools-grid {\n      grid-template-columns: 1fr !important; \/* \u624b\u673a\u7aef\u5355\u5217\u5806\u53e0 *\/\n      gap: 20px !important;\n    }\n    #qjkh-elevator-tools-module .qjkh-tool-card {\n      padding: 30px 20px !important;\n    }\n  }\n<\/style>\n\n<section id=\"qjkh-elevator-tools-module\">\n  <div class=\"qjkh-container\">\n    \n    <h2 class=\"qjkh-h2-title\">Elevator Light Curtain Engineering Tools<\/h2>\n    <p class=\"qjkh-lead-text\">\n      Access our suite of professional engineering calculators designed to simplify your elevator door protection planning. Whether you need to specify a precise sensor model or calculate compliance metrics, our tools provide instant, code-compliant data.\n    <\/p>\n\n    <div class=\"qjkh-tools-grid\">\n      \n      <a href=\"https:\/\/industrialsafetysensor.com\/safety-light-curtains\/elevator-light-curtain\/elevator-light-curtain-selector\/\" class=\"qjkh-tool-card\" target=\"_blank\" rel=\"noopener noreferrer\">\n        <h3 class=\"qjkh-h3-title\">Elevator Light Curtain Selector<\/h3>\n        <p class=\"qjkh-card-desc\">\n          Answer a few quick questions about your operating voltage, required detection distance, and elevator application to instantly find the exact QJKH light curtain model that fits your lift system perfectly.\n        <\/p>\n        <div class=\"qjkh-card-cta\">\n          Open Selector <span class=\"qjkh-arrow\">\u2192<\/span>\n        <\/div>\n      <\/a>\n\n      <a href=\"https:\/\/industrialsafetysensor.com\/safety-light-curtains\/elevator-light-curtain\/beam-count-protection-height-calculator\/\" class=\"qjkh-tool-card\" target=\"_blank\" rel=\"noopener noreferrer\">\n        <h3 class=\"qjkh-h3-title\">Beam Count &#038; Protection Height Calculator<\/h3>\n        <p class=\"qjkh-card-desc\">\n          Input your door opening dimensions and target safety standards (such as EN 81-20 or ASME A17.1) to automatically calculate the required beam count, precise protection zone, and estimated response time.\n        <\/p>\n        <div class=\"qjkh-card-cta\">\n          Launch Calculator <span class=\"qjkh-arrow\">\u2192<\/span>\n        <\/div>\n      <\/a>\n\n    <\/div>\n\n  <\/div>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-b846122\" data-block-id=\"b846122\"><style>.stk-b846122 {margin-bottom:0px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-b846122-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-390af36\" data-v=\"4\" data-block-id=\"390af36\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-390af36-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-390af36-inner-blocks\">\n<style>\n  \/* 1. \u9876\u7ea7ID\u4f5c\u7528\u57df\uff1a\u4e25\u683c\u9694\u79bb\u6240\u6709\u6837\u5f0f *\/\n  #qjkh-elevator-faq-module {\n    width: 100% !important;\n    background-color: #f0f0f0 !important; \/* \u900f\u660e\u80cc\u666f\uff0c\u878d\u5165\u4e3b\u9898 *\/\n    padding: 40px 20px !important; \/* \u9075\u5faa 40px\/60px \u7684\u7559\u767d\u8282\u594f *\/\n    box-sizing: border-box !important;\n    display: flex !important;\n    justify-content: center !important;\n  }\n\n  \/* 2. \u6838\u5fc3\u5bb9\u5668\uff1a\u6700\u5927\u5bbd\u5ea61280px *\/\n  #qjkh-elevator-faq-module .qjkh-container {\n    width: 100% !important;\n    max-width: 1280px !important;\n    display: flex !important;\n    flex-direction: column !important;\n    align-items: center !important;\n  }\n\n  \/* 3. SEO \u4f18\u5316\u7684\u4e3b\u6807\u9898 (H2) *\/\n  #qjkh-elevator-faq-module .qjkh-h2-title {\n    font-size: 32px !important;\n    color: #181818 !important; \/* \u6781\u6df1\u526f\u8272\u8c03 *\/\n    text-align: center !important;\n    margin: 0 0 30px 0 !important;\n    line-height: 1.3 !important;\n    font-weight: 700 !important;\n    max-width: 1000px !important;\n  }\n\n  \/* 4. FAQ \u7ea6\u675f\u533a\uff1a\u9650\u5236\u5728 900px \u9605\u8bfb\u6838\u5fc3\u533a\u5185 *\/\n  #qjkh-elevator-faq-module .qjkh-faq-wrapper {\n    width: 100% !important;\n    max-width: 1000px !important;\n    display: flex !important;\n    flex-direction: column !important;\n    border-top: 2px solid #303030 !important; \/* \u9876\u90e8\u7684\u793e\u8bba\u7ea7\u5f15\u5bfc\u7c97\u7ebf *\/\n  }\n\n  \/* \u5355\u4e2a\u95ee\u9898\u9879\u5bb9\u5668 *\/\n  #qjkh-elevator-faq-module .qjkh-faq-item {\n    border-bottom: 1px solid rgba(48,48,48,0.1) !important; \/* \u6781\u5176\u5fae\u5999\u7684\u5206\u5272\u5e95\u7ebf *\/\n  }\n\n  \/* \u95ee\u9898\u6807\u9898 (H3) \u5bb9\u5668 - \u6d88\u9664\u9ed8\u8ba4 margin *\/\n  #qjkh-elevator-faq-module .qjkh-faq-question {\n    margin: 0 !important;\n    padding: 0 !important;\n  }\n\n  \/* \u5168\u533a\u57df\u89e6\u53d1\u6309\u94ae - \u63d0\u5347\u4ea4\u4e92\u4f53\u9a8c\u4e0e\u65e0\u969c\u788d\u8bbf\u95ee (A11y) *\/\n  #qjkh-elevator-faq-module .qjkh-faq-toggle {\n    width: 100% !important;\n    display: flex !important;\n    justify-content: space-between !important;\n    align-items: center !important;\n    background: none !important;\n    border: none !important;\n    padding: 24px 0 !important;\n    cursor: pointer !important;\n    color: #303030 !important;\n    text-align: left !important;\n    outline: none !important;\n    transition: color 0.2s ease !important;\n  }\n\n  #qjkh-elevator-faq-module .qjkh-faq-toggle:hover {\n    color: #181818 !important; \/* \u60ac\u505c\u52a0\u6df1 *\/\n  }\n\n  \/* \u95ee\u9898\u6587\u5b57\u6837\u5f0f *\/\n  #qjkh-elevator-faq-module .qjkh-question-text {\n    font-size: 18px !important;\n    font-weight: 600 !important;\n    line-height: 1.5 !important;\n    padding-right: 20px !important;\n  }\n\n  \/* \u72b6\u6001\u6307\u793a\u5668 (\u5341\u5b57\u5f62\u56fe\u6807) *\/\n  #qjkh-elevator-faq-module .qjkh-icon {\n    font-size: 24px !important;\n    font-weight: 300 !important;\n    color: #484848 !important;\n    transition: transform 0.3s ease !important; \/* \u65cb\u8f6c\u52a8\u753b *\/\n    display: inline-block !important;\n    flex-shrink: 0 !important;\n  }\n\n  \/* \u5f53\u9762\u677f\u6fc0\u6d3b\u65f6\uff0c\u56fe\u6807\u65cb\u8f6c45\u5ea6\u53d8\u6210 '\u00d7' \u6216 '-' *\/\n  #qjkh-elevator-faq-module .qjkh-faq-item.qjkh-active .qjkh-icon {\n    transform: rotate(45deg) !important;\n    color: #303030 !important;\n  }\n\n  \/* 5. \u73b0\u4ee3\u5316 CSS Grid \u52a8\u753b\u6298\u53e0\u9762\u677f (\u4e0d\u518d\u4f9d\u8d56\u6027\u80fd\u4f4e\u4e0b\u7684 max-height) *\/\n  #qjkh-elevator-faq-module .qjkh-faq-answer {\n    display: grid !important;\n    grid-template-rows: 0fr !important;\n    transition: grid-template-rows 0.35s cubic-bezier(0.4, 0, 0.2, 1) !important;\n  }\n\n  #qjkh-elevator-faq-module .qjkh-faq-item.qjkh-active .qjkh-faq-answer {\n    grid-template-rows: 1fr !important;\n  }\n\n  #qjkh-elevator-faq-module .qjkh-answer-inner {\n    overflow: hidden !important;\n  }\n\n  \/* \u5185\u90e8\u771f\u5b9e\u6587\u672c\u533a\u6837\u5f0f *\/\n  #qjkh-elevator-faq-module .qjkh-answer-text {\n    font-size: 16px !important;\n    color: #484848 !important; \/* \u526f\u8272\u8c03\u5e38\u89c4\u6587\u672c *\/\n    line-height: 1.8 !important;\n    margin: 0 !important;\n    padding: 0 0 24px 0 !important; \/* \u5e95\u90e8\u9884\u7559\u7a7a\u95f4 *\/\n    text-align: justify !important; \/* \u5bbd\u5c4f\u9632\u72d7\u7259\u8fb9 *\/\n    text-justify: inter-word !important;\n    opacity: 0 !important;\n    transform: translateY(-10px) !important;\n    transition: opacity 0.3s ease, transform 0.3s ease !important;\n  }\n\n  \/* \u6fc0\u6d3b\u72b6\u6001\u4e0b\u6587\u672c\u6de1\u5165\u5e76\u5f52\u4f4d *\/\n  #qjkh-elevator-faq-module .qjkh-faq-item.qjkh-active .qjkh-answer-text {\n    opacity: 1 !important;\n    transform: translateY(0) !important;\n    transition-delay: 0.1s !important; \/* \u7a0d\u5fae\u5ef6\u8fdf\u7b49\u5f85 grid \u5c55\u5f00 *\/\n  }\n\n  \/* 6. \u79fb\u52a8\u7aef\u81ea\u9002\u5e94 *\/\n  @media (max-width:690px) {\n    #qjkh-elevator-faq-module {\n      padding: 40px 15px !important;\n    }\n    #qjkh-elevator-faq-module .qjkh-h2-title {\n      font-size: 26px !important;\n      text-align: left !important;\n      margin-bottom: 30px !important;\n    }\n    #qjkh-elevator-faq-module .qjkh-question-text {\n      font-size: 16px !important; \/* \u79fb\u52a8\u7aef\u95ee\u9898\u5b57\u53f7\u7f29\u51cf *\/\n    }\n    #qjkh-elevator-faq-module .qjkh-answer-text {\n      text-align: left !important; \/* \u53d6\u6d88\u4e24\u7aef\u5bf9\u9f50 *\/\n    }\n  }\n<\/style>\n\n<section id=\"qjkh-elevator-faq-module\">\n  <div class=\"qjkh-container\">\n    \n    <h2 class=\"qjkh-h2-title\">Elevator Light Curtain FAQ<\/h2>\n    \n    <div class=\"qjkh-faq-wrapper\">\n      \n      <div class=\"qjkh-faq-item\">\n        <h3 class=\"qjkh-faq-question\">\n          <button class=\"qjkh-faq-toggle\" aria-expanded=\"false\">\n            <span class=\"qjkh-question-text\">What is an elevator light curtain and how does it work?<\/span>\n            <span class=\"qjkh-icon\">+<\/span>\n          <\/button>\n        <\/h3>\n        <div class=\"qjkh-faq-answer\">\n          <div class=\"qjkh-answer-inner\">\n            <p class=\"qjkh-answer-text\">An elevator light curtain is an infrared safety sensor mounted on both sides of the car door. The transmitter fires a dense array of infrared beams across the opening; the receiver registers any interruption. When a passenger or object breaks even a single beam, the elevator control system gets an instant signal to stop and reverse the door \u2014 no physical contact needed.<\/p>\n          <\/div>\n        <\/div>\n      <\/div>\n\n      <div class=\"qjkh-faq-item\">\n        <h3 class=\"qjkh-faq-question\">\n          <button class=\"qjkh-faq-toggle\" aria-expanded=\"false\">\n            <span class=\"qjkh-question-text\">Are elevator light curtains required by code?<\/span>\n            <span class=\"qjkh-icon\">+<\/span>\n          <\/button>\n        <\/h3>\n        <div class=\"qjkh-faq-answer\">\n          <div class=\"qjkh-answer-inner\">\n            <p class=\"qjkh-answer-text\">Yes. EN 81-20 (Section 5.3.6.2.1.1) requires every new passenger and goods lift to have a protective device that detects objects as small as 50 mm, covering 25 mm to 1,600 mm above the car door sill. ASME A17.1\/CSA B44 in North America sets parallel requirements. Light curtains with 36 or more diodes satisfy these standards natively.<\/p>\n          <\/div>\n        <\/div>\n      <\/div>\n\n      <div class=\"qjkh-faq-item\">\n        <h3 class=\"qjkh-faq-question\">\n          <button class=\"qjkh-faq-toggle\" aria-expanded=\"false\">\n            <span class=\"qjkh-question-text\">What is the difference between a light curtain and a safety edge?<\/span>\n            <span class=\"qjkh-icon\">+<\/span>\n          <\/button>\n        <\/h3>\n        <div class=\"qjkh-faq-answer\">\n          <div class=\"qjkh-answer-inner\">\n            <p class=\"qjkh-answer-text\">A mechanical safety edge needs physical contact to trigger door reversal \u2014 it sits on the door edge and depends on moving parts that wear over time. An elevator light curtain uses non-contact infrared detection across the full door width, responds in as little as 6 ms, and has zero wear components. Light curtains detect smaller objects (down to 14 mm with criss-cross beams) and meet current EN 81-20 requirements that many older safety edges cannot.<\/p>\n          <\/div>\n        <\/div>\n      <\/div>\n\n      <div class=\"qjkh-faq-item\">\n        <h3 class=\"qjkh-faq-question\">\n          <button class=\"qjkh-faq-toggle\" aria-expanded=\"false\">\n            <span class=\"qjkh-question-text\">Can I retrofit a light curtain on an existing elevator?<\/span>\n            <span class=\"qjkh-icon\">+<\/span>\n          <\/button>\n        <\/h3>\n        <div class=\"qjkh-faq-answer\">\n          <div class=\"qjkh-answer-inner\">\n            <p class=\"qjkh-answer-text\">Yes. QJKH elevator light curtains mount directly on standard car door rails with T-bolt or magnetic brackets \u2014 no structural modification to the elevator cab is required. The PNP\/NPN configurable output connects to most elevator controllers without swapping the control board. Both DC 24V and AC 220V models are available to match your existing electrical setup.<\/p>\n          <\/div>\n        <\/div>\n      <\/div>\n\n      <div class=\"qjkh-faq-item\">\n        <h3 class=\"qjkh-faq-question\">\n          <button class=\"qjkh-faq-toggle\" aria-expanded=\"false\">\n            <span class=\"qjkh-question-text\">How do I choose the right elevator light curtain?<\/span>\n            <span class=\"qjkh-icon\">+<\/span>\n          <\/button>\n        <\/h3>\n        <div class=\"qjkh-faq-answer\">\n          <div class=\"qjkh-answer-inner\">\n            <p class=\"qjkh-answer-text\">Consider three specs: 1) Diode count &#8211; 32+ diodes guarantee EN 81-20 enough detection capability for 50 mm objects with no gaps. 2) Detection range &#8211; align with the space inside your door (Type A: 0-10 m, Type B: 0-16 m, Type C: 0-5 m). 3) Operating voltage &#8211; determine if your controller consumes DC 24 V or AC 220 V. Operational response time differences across competitive sensors (6-70 ms) have no practical impact at common door closing velocities.<\/p>\n          <\/div>\n        <\/div>\n      <\/div>\n\n      <div class=\"qjkh-faq-item\">\n        <h3 class=\"qjkh-faq-question\">\n          <button class=\"qjkh-faq-toggle\" aria-expanded=\"false\">\n            <span class=\"qjkh-question-text\">What is the typical response time of an elevator light curtain?<\/span>\n            <span class=\"qjkh-icon\">+<\/span>\n          <\/button>\n        <\/h3>\n        <div class=\"qjkh-faq-answer\">\n          <div class=\"qjkh-answer-inner\">\n            <p class=\"qjkh-answer-text\">QJKH elevator light curtains respond in 6.0 to 30.8 ms, depending on beam count and protection height. At a standard door closing speed of 0.5 m\/s, even a 30 ms response adds only 15 mm of extra door travel before reversal \u2014 well within safe operating margins for passenger and freight lifts.<\/p>\n          <\/div>\n        <\/div>\n      <\/div>\n\n    <\/div>\n  <\/div>\n\n  <script>\n    (function() {\n      \/\/ \u786e\u4fdd\u83b7\u53d6\u7279\u5b9a\u7684\u6a21\u5757\uff0c\u9632\u6b62\u51b2\u7a81\n      var moduleContainer = document.getElementById('qjkh-elevator-faq-module');\n      if (!moduleContainer) return;\n\n      var buttons = moduleContainer.querySelectorAll('.qjkh-faq-toggle');\n\n      buttons.forEach(function(button) {\n        button.addEventListener('click', function(e) {\n          e.preventDefault();\n          \n          var parentItem = this.closest('.qjkh-faq-item');\n          var isActive = parentItem.classList.contains('qjkh-active');\n\n          \/\/ \u3010\u53ef\u9009\u903b\u8f91\u3011\u5982\u679c\u5e0c\u671b\u201c\u624b\u98ce\u7434\u201d\u6bcf\u6b21\u53ea\u5c55\u5f00\u4e00\u4e2a\uff0c\u53d6\u6d88\u4e0b\u9762\u8fd9\u5757\u4ee3\u7801\u7684\u6ce8\u91ca\u5373\u53ef\n          \/*\n          var allItems = moduleContainer.querySelectorAll('.qjkh-faq-item');\n          allItems.forEach(function(item) {\n            item.classList.remove('qjkh-active');\n            item.querySelector('.qjkh-faq-toggle').setAttribute('aria-expanded', 'false');\n          });\n          *\/\n\n          \/\/ \u5207\u6362\u5f53\u524d\u70b9\u51fb\u9879\u7684\u72b6\u6001\n          if (!isActive) {\n            parentItem.classList.add('qjkh-active');\n            this.setAttribute('aria-expanded', 'true');\n          } else {\n            parentItem.classList.remove('qjkh-active');\n            this.setAttribute('aria-expanded', 'false');\n          }\n        });\n      });\n    })();\n  <\/script>\n\n  <script type=\"application\/ld+json\">\n  {\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n      {\n        \"@type\": \"Question\",\n        \"name\": \"What is an elevator light curtain and how does it work?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"An elevator light curtain is an infrared safety sensor mounted on both sides of the car door. The transmitter fires a dense array of infrared beams across the opening; the receiver registers any interruption. When a passenger or object breaks even a single beam, the elevator control system gets an instant signal to stop and reverse the door \u2014 no physical contact needed.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Are elevator light curtains required by code?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. EN 81-20 (Section 5.3.6.2.1.1) requires every new passenger and goods lift to have a protective device that detects objects as small as 50 mm, covering 25 mm to 1,600 mm above the car door sill. ASME A17.1\/CSA B44 in North America sets parallel requirements. Light curtains with 36 or more diodes satisfy these standards natively.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"What is the difference between a light curtain and a safety edge?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"A mechanical safety edge needs physical contact to trigger door reversal \u2014 it sits on the door edge and depends on moving parts that wear over time. An elevator light curtain uses non-contact infrared detection across the full door width, responds in as little as 6 ms, and has zero wear components. Light curtains detect smaller objects (down to 14 mm with criss-cross beams) and meet current EN 81-20 requirements that many older safety edges cannot.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Can I retrofit a light curtain on an existing elevator?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. QJKH elevator light curtains mount directly on standard car door rails with T-bolt or magnetic brackets \u2014 no structural modification to the elevator cab is required. The PNP\/NPN configurable output connects to most elevator controllers without swapping the control board. Both DC 24V and AC 220V models are available to match your existing electrical setup.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"How do I choose the right elevator light curtain?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Consider three specs: 1) Diode count - 32+ diodes guarantee EN 81-20 enough detection capability for 50 mm objects with no gaps. 2) Detection range - align with the space inside your door (Type A: 0-10 m, Type B: 0-16 m, Type C: 0-5 m). 3) Operating voltage - determine if your controller consumes DC 24 V or AC 220 V. Operational response time differences across competitive sensors (6-70 ms) have no practical impact at common door closing velocities.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"What is the typical response time of an elevator light curtain?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"QJKH elevator light curtains respond in 6.0 to 30.8 ms, depending on beam count and protection height. At a standard door closing speed of 0.5 m\/s, even a 30 ms response adds only 15 mm of extra door travel before reversal \u2014 well within safe operating margins for passenger and freight lifts.\"\n        }\n      }\n    ]\n  }\n  <\/script>\n<\/section>\n<\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Elevator Light Curtains \u2014 Lift Door Safety Sensors Infrared elevator light curtains with response times from 6 ms, IP65 protection, and EN 81-20 compliance \u2014 engineered for passenger and freight lifts. Factory-direct OEM supply from China&#8217;s safety sensor specialist. Request a Quote Download Spec Sheet &lt;6 ms Min. Response Time IP65 Protection Rating 10,000 lux [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":819,"parent":815,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_gspb_post_css":"","footnotes":""},"class_list":["post-817","page","type-page","status-publish","has-post-thumbnail","hentry"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/industrialsafetysensor.com\/de\/wp-json\/wp\/v2\/pages\/817","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/industrialsafetysensor.com\/de\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/industrialsafetysensor.com\/de\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/industrialsafetysensor.com\/de\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/industrialsafetysensor.com\/de\/wp-json\/wp\/v2\/comments?post=817"}],"version-history":[{"count":0,"href":"https:\/\/industrialsafetysensor.com\/de\/wp-json\/wp\/v2\/pages\/817\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/industrialsafetysensor.com\/de\/wp-json\/wp\/v2\/pages\/815"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/industrialsafetysensor.com\/de\/wp-json\/wp\/v2\/media\/819"}],"wp:attachment":[{"href":"https:\/\/industrialsafetysensor.com\/de\/wp-json\/wp\/v2\/media?parent=817"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}