R32 Gas Detector GDR453I7

Difluoromethane Gas Detector, R32 refrigerant Gas Detector, HFC-32 Gas Detector 0-2000 PPM 4-20mA Relay, Display & Buzzer - Infrared sensor, for non classified area GDR453I7 - Tecnocontrol

R32 Gas Detector GDR453S7

Difluoromethane Gas Detector, R32 refrigerant Gas Detector, HFC-32 Gas Detector 0-1000 PPM 4-20mA Relay, Display & Buzzer - Semiconductor sensor, for non classified area GDR453S7 - Tecnocontrol

R404A Gas Detector GDR300I9

R404A Gas Detector 0-2000 PPM 4-20mA - Infrared sensor, for non classified area GDR300I9 - Tecnocontrol

R404A Gas Detector GDR300S9

R404A Gas Detector 0-1000 PPM 4-20mA - Semiconductor sensor, for non classified area GDR300S9 - Tecnocontrol