R407A Gas Detector - Dust Proof Enclosure Version S3023R407A

R-407A refrigerant Gas Detector 0-2000 ppm 4-20mA - Infrared sensor - SMART3G-C3 Sensitron Dust Proof Enclosure Version Zone 2 category 3 areas S3023R407A

R404A Gas Detector SMART3-R S4640R404A

R404A Gas Detector 0-5000 ppm 4-20mA - Infrared sensor - SMART3-R for non classified area S4640R404A Sensitron

R404A Gas Detector SMART3-R S4617R404A

R404A Gas Detector 0-2000 ppm 4-20mA - Infrared sensor - SMART3-R for non classified area S4617R404A Sensitron

R404A Gas Detector SMART3-H-FM LITE S4690R404A

R404A Gas Detector 0-5000 ppm 12-24 Vdc - Infrared sensor - SMART3-H-FM LITE for non classified area S4690R404A Sensitron