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[Question] Promixity sensor/limit switch can operate normaly in -40 Celcius and icing environment?


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Posted
Dear: all! I'm looking for a promixity sensor or a limit switch that can operate normaly in -40 Celcius and icing enviroment. Omron's promixity sensors (E2E-X3D2-N) have been used but didn't work. They were broken when the temperature reached lower than -40 Celcius. Would anyone suggest me what sensor/switch should be used is this case? Many thanks! With kind Regards!
Posted (edited)
I think you will find -40 at the low end limit for most of the rugged sensors out there. The first one I picked:http://www.automatio...prox18mmpfk.pdf I will look around for others. We have freezers here which can get down to -50 EDIT: here's one that goes as low as -60, available in 30mm and 50mm diameters: http://www.transtech.com.au/docs/Kriz.pdf Edited by OkiePC
Posted
thank you! One more question: Does it work corectly in icing invironment? I used a omron's promixity sensor (E2E) that could operate in temperature range about -40 to 80 Celcius but It fail when temperature reached -35 Celcius. I found that cause of the frozen fog in evaporator room.

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