R507 Gas Detector GDR403I5
R507 Gas Detector 0-2000 PPM 4-20mA Relay & Buzzer - Infrared sensor, for non classified area GDR403I5 - Tecnocontrol
R507 Gas Detector GDR403S5
R507 Gas Detector 0-1000 PPM 4-20mA Relay & Buzzer - Semiconductor sensor, for non classified area GDR403S5 - Tecnocontrol
R507 Gas Detector GDR450I5
R507 Gas Detector 0-2000 PPM 4-20mA Relay, Display & Buzzer - Infrared sensor, for non classified area GDR450I5 - Tecnocontrol
R507 Gas Detector GDR450S5
R507 Gas Detector 0-1000 PPM 4-20mA Relay, Display & Buzzer - Semiconductor sensor, for non classified area GDR450S5 - Tecnocontrol