R-404A refrigerant Gas Detector 0-2000 ppm 4-20mA - Infrared sensor - SMART3G-C3 Sensitron Dust Proof Enclosure Version Zone 2 category 3 areas S3022R404A

R-404A refrigerant Gas Detector 0-2000 ppm 4-20mA - Infrared sensor - SMART3G-D3 Sensitron Dust Proof Enclosure Version with display Zone 2 category 3 areas S3653R404A

R404A Gas Detector 0-2000 ppm 4-20mA - Infrared sensor - SMART3G-C2 Sensitron Explosion Proof Enclosure version Zone 1 category 2 areas S3658R404A

R404A Gas Detector 0-2000 ppm 4-20mA - Infrared sensor - SMART3G-C2-LD Sensitron Explosion Proof Enclosure with LED version Zone 1 category 2 areas S3658R404A-LD

R404A Gas Detector 0-2000 ppm 4-20mA - Infrared sensor SMART3G-D2 Sensitron Explosion Proof Enclosure Version with display Zone 1 Category 2 areas S3663R404A

R404A Gas Detector 0-2000 PPM 4-20mA - Infrared sensor, for non classified area GDR300I9 - Tecnocontrol

R404A Gas Detector 0-1000 PPM 4-20mA - Semiconductor sensor, for non classified area GDR300S9 - Tecnocontrol

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

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

R404A Gas Detector 0-2000 PPM 4-20mA Relay, Display & Buzzer - Infrared sensor, for non classified area GDR450I9 - Tecnocontrol

R404A Gas Detector 0-1000 PPM 4-20mA Relay, Display & Buzzer - Semiconductor sensor, for non classified area GDR450S9 - Tecnocontrol

R404A Gas Detector 0-2000 PPM 4-20mA Relay, Display & Buzzer - Infrared sensor, for non classified area GDR453I9 - Tecnocontrol