Iso Butane Gas Detector, 2-methylpropane Gas Detector, trimethylmethane Gas Detector 0-100% LFL 4-20mA - Catalytic sensor - SMART3G-C2 Sensitron Explosion Proof Enclosure version Zone 1 category 2 areas S2097IB

Iso Butane Gas Detector, 2-methylpropane Gas Detector, trimethylmethane Gas Detector 0-100% LFL 4-20mA - Catalytic sensor - SMART3G-C2-LD Sensitron Explosion Proof Enclosure with LED version Zone 1 category 2 areas S2155IB-LD

Iso Butane Gas Detector, 2-methylpropane Gas Detector, trimethylmethane Gas Detector 0-100% LFL 4-20mA - Catalytic sensor - SMART3G-D2 Sensitron Explosion Proof Enclosure Version with display Zone 1 category 2 areas S2157IB

Iso Butane Gas Detector, 2-methylpropane Gas Detector, trimethylmethane Gas Detector 0-100% LFL 4-20mA - Infrared sensor SMART3G-D2 Sensitron Explosion Proof Enclosure Version with display Zone 1 Category 2 areas S2602IB