R454B Gas Detector GDR400I12

R454B refrigerant Gas Detector 0-2000 PPM 4-20mA Relay & Buzzer - Infrared sensor, for non classified area GDR400I12 - Tecnocontrol

R454B Gas Detector GDR400S12

R454B refrigerant Gas Detector 0-1000 PPM 4-20mA Relay & Buzzer - Semiconductor sensor, for non classified area GDR400S12 - Tecnocontrol

R454B Gas Detector GDR403I12

R454B refrigerant Gas Detector 0-2000 PPM 4-20mA Relay & Buzzer - Infrared sensor, for non classified area GDR403I12 - Tecnocontrol

R454B Gas Detector GDR403S12

R454B refrigerant Gas Detector 0-1000 PPM 4-20mA Relay & Buzzer - Semiconductor sensor, for non classified area GDR403S12 - Tecnocontrol