R125 Gas Detector - Explosion Proof Enclosure Version S3656R125
R125 Gas Detector, Pentafluoroethane Gas Detector, Genetron HFC-125 Gas Detector 0-2000 ppm 4-20mA - Infrared sensor - SMART3G-C2 Sensitron Explosion Proof Enclosure version Zone 1 category 2 areas S3656R125