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TFP Series chemical resistant Leak Detect Sensor

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Strong chemical resistance!

These units usually sit in a drip pan or similar location where people want to know if there is a leak. If they end up in the thinnest pool of liquid they will alarm. They use a detector looking at an LED and if that light path gets altered at all then it knows there is a liquid there. With that it will detect any liquid as long as it is not exposed to excessive high or low temperatures. With a Teflon (PFA) casing and cable (FEP) the teflon unit is highly resistive to harsh chemicals.

However these units are not rated to operate in a hazardous potential explosive environment.



Fluoropolymer - PFA (Perfluoro Alkoxy)
Compact design occupying 1/2 the space of previous sensors, with a thickness of just 10mm.

 

Detection method

Infrared Photo-refraction

Output

Transistor NO or NC

NPN (50mA MAX) or PNP (18mA MAX)

Power

12 – 24VDC

Response time

< 1 sec (DI water)

Current Consumption

25mA Max

Indicators

Normal operation – Green LED on, Red LED off

Detection – Red LED on, Green LED off

Operating temperature

- 10 to 60°C

Material of construction

PFA

Cable

shielded 2 conductor, FEP

2 meter length standard

Wiring

+: brown

-: shield

Signal: white