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Type 2 vs Type 4 Decision Tree
Five questions guided by ISO 13849 risk-assessment principles. Get a Type recommendation, ENT model suggestion, and ISO standards reference in under a minute.
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Decision tree based on ISO 13849-1:2023 risk-graph methodology and IEC 61496-1,2:2020 ESPE classification. This tool is illustrative — formal risk assessment by a certified safety engineer per ANSI B11.0-2015 is required before final selection.
Question 01
What is the worst-case injury severity if this machine is not guarded?
Question 02
How often does an operator interact with the hazardous area?
Question 03
Can the operator avoid the hazard if it occurs?
Question 04
What is the smallest body part that may enter the hazardous area?
Question 05
What is the maximum distance from the emitter to the receiver?
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