R404A Gas Detector GDR400I9

R404A Gas Detector 0-2000 PPM 4-20mA Relay & Buzzer - Infrared sensor, for non classified area GDR400I9 - Tecnocontrol

R404A Gas Detector GDR400S9

R404A Gas Detector 0-1000 PPM 4-20mA Relay & Buzzer - Semiconductor sensor, for non classified area GDR400S9 - Tecnocontrol

R404A Gas Detector GDR403I9

R404A Gas Detector 0-2000 PPM 4-20mA Relay & Buzzer - Infrared sensor, for non classified area GDR403I9 - Tecnocontrol

R404A Gas Detector GDR403S9

R404A Gas Detector 0-1000 PPM 4-20mA Relay & Buzzer - Semiconductor sensor, for non classified area GDR403S9 - Tecnocontrol