ESH-A-CC3H8 Remote Sensor


Single analog remote sensor for flexible location monitoring. Model ESH-A-CC3H8 is specially equipped to monitor propane gases in non-explosive, non-hazardous environments.


  • Easy to to install and maintain
  • Communicates with many of CETCI’s controllers and transmitters
  • Standard water / dust tight, corrosion resistant enclosure (drip proof)


The ESH-A Remote Sensor offers flexible location monitoring of combustible gases or PID TVOCs in non-hazardous, non-explosion rated, commercial and light industrial applications. It communicates with the device it is attached to using current loop into a 100 ohm load or a voltage signal of 0.40 to 2 volts. It can be located at a maximum distance of 200 meters from the compatible controller or transmitter.

The mounting height of the ESH-A Remote Sensor depends on the gas being monitored. A gas that is heavier than air should be detected 6 inches from the floor and a gas that is lighter should be detected on or near the ceiling. A gas that has the same density as air should be detected in the “breathing zone”, where most human breathing takes place, which is 1 to 2 m (4 to 6 ft) from the floor.

The ESH-A Remote Sensor is not a standalone device, it must be used with the SCC, DCC, LPT-A, LPT-P, LPT-M or LPT-B (remote sensor’s target gas will differ based on device).

Quick Specs

  • Catalytic Sensors: Propane (C3H8)
  • Operating Temperature: -20°C to 40°C (-4°F to 104°F)
  • Current Draw : 45 mA @24 VDC (max)

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