Optical liquid level switch
1/2" - 1" | S-9400 series
Henry Technologies
Construction: The switch consists of a sturdy nickel plated steel body with a built-in fused glass prism. This allows liquid to be optically detected by a solid state opto-electronic module. The solid state module is encapsulated in silicon. It can be easily replaced without disturbing the system. The fused glass prism provides chemical resistance to all refrigerants and high pressure ability to withstand typical burst pressure needs. The switch can be installed on any location in the refrigeration system where the temperatures do not exceed the rating in the table above. This includes Oil Separators, Oil Reservoirs, Refrigerant Receivers and compressor crankcase applications. The electrical connection end is suitable for 1⁄2" conduit. Operation: The S-9400 Series Level Switch uses light reflecting from a conical glass prism as a means of detecting the absence of a fluid at the level of the glass cone.
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