In order to work reliably, the photoelectric sensor should be set to -20°C~55°C. Circuits or systems that use these components should have a voltage of 18V~30V.
ISD400-7211 Features
Operating Temperature: -20°C~55°C ISD400 Series
ISD400-7211 Applications
There are a lot of SICK, Inc. ISD400-7211 Photoelectric Sensors applications.