The CS22 D Transmitter of our reliable 22 series is an economic solution for application which require permanent monitoring of refrigerants, such as R-1234yf or ammonia, as well as other toxic or combustible gases.

It uses the chemisorption measuring method and its inexpensive sensors have a long operating life (5 years) and work for different measuring ranges, including vol %, LEL and ppm for toxic and combustible gases.

The transmitter communicates with the central controller using either an analog 0.2-1 mA or 4-20 mA) or a digital (Modbus) signal. Its hardware fulfills the European Norm for Functional Safety DIN EN 61508-2: 2011 (SIL) and its housing is well protected against the ingress of dust and water (protection class IP54 ...