Safety Laser Scanner Model Selector Home – Safety Laser Scanners – Safety Laser Scanner Model Selector Safety Laser Scanner Model Selector Answer 3 questions to find the right QJKH scanner for your application. Step 1 of 3 What is your primary application? AGV / AMR Safeguarding Robotic Cell Protection Access Point Monitoring Warehouse / Large Perimeter Step 2 of 3 Required protection field range? Up to 3 m (10 ft) 3-6 m (10-20 ft) 6+ m (20+ ft) Step 3 of 3 Safety controller / protocol? Safety Relay (OSSD only) Allen-Bradley (CIP Safety) Siemens (PROFIsafe) Not sure / Other