Difluoromethane Gas Detector, R-32 refrigerant Gas Detector, HFC-32 Gas Detector 0-2000 ppm 4-20mA - Infrared sensor - ...
Difluoromethane Gas Detector, R-32 refrigerant Gas Detector, HFC-32 Gas Detector 0-100% LFL 4-20mA - Infrared sensor - ...
Difluoroethane Gas Detector, R-152A refrigerant Gas Detector, HFC-152A Gas Detector 0-100% LFL 4-20mA - Infrared sensor...
R134A Gas Detector, Norflurane Gas Detector, HFC-134A Gas Detector 0-5000 ppm 4-20mA - Infrared sensor - SMART3-R for...