R449A Gas Detector GDR403I6

R449A Gas Detector 0-2000 PPM 4-20mA Relay & Buzzer - Infrared sensor, for non classified area GDR403I6 - Tecnocontrol

R449A Gas Detector GDR403S6

R449A Gas Detector 0-1000 PPM 4-20mA Relay & Buzzer - Semiconductor sensor, for non classified area GDR403S6 - Tecnocontrol

R449A Gas Detector GDR450I6

R449A Gas Detector 0-2000 PPM 4-20mA Relay, Display & Buzzer - Infrared sensor, for non classified area GDR450I6 - Tecnocontrol

R449A Gas Detector GDR450S6

R449A Gas Detector 0-1000 PPM 4-20mA Relay, Display & Buzzer - Semiconductor sensor, for non classified area GDR450S6 - Tecnocontrol