R407A Gas Detector 0-2000 ppm 4-20mA - Infrared sensor - SMART3G-C2-LD Sensitron Explosion Proof Enclosure with LED version Zone 1 category 2 areas S3659R407A-LD

R407A Gas Detector 0-2000 ppm 4-20mA - Infrared sensor SMART3G-D2 Sensitron Explosion Proof Enclosure Version with display Zone 1 Category 2 areas S3917R407A

R407A Gas Detector 0-2000 ppm 4-20mA - Infrared sensor - SMART3-R for non classified area S4618R407A Sensitron

R407C Gas Detector 0-2000 PPM 4-20mA - Infrared sensor, for non classified area GDR300I3 - Tecnocontrol

R407C Gas Detector 0-1000 PPM 4-20mA - Semiconductor sensor, for non classified area GDR300S3 - Tecnocontrol

R407C Gas Detector 0-2000 PPM 4-20mA Relay & Buzzer - Infrared sensor, for non classified area GDR400I3 - Tecnocontrol