Carbon Dioxide Gas Detector, CO2 Gas Detector 0-5000 ppm 4-20mA - Infrared sensor - SMART3G-D3 Sensitron Dust Proof Enclosure Version with display Zone 2 category 3 areas S2448CO2

Carbon Dioxide Gas Detector, CO2 Gas Detector 0-30% Vol 4-20mA - Infrared sensor - SMART3G-D3 Sensitron Dust Proof Enclosure Version with display Zone 2 category 3 areas S2447CO2

Carbon Dioxide Gas Detector, CO2 Gas Detector 0-5000 ppm 4-20mA - Infrared sensor - SMART3G-C3 Sensitron Dust Proof Enclosure Version Zone 2 category 3 areas S2444CO2

Carbon Dioxide Gas Detector, CO2 Gas Detector 0-30% Vol 4-20mA - Infrared sensor - SMART3G-C3 Sensitron Dust Proof Enclosure Version Zone 2 category 3 areas S2443CO2