Butyl Alcohol Gas Detector, Butanol Gas Detector 0-100% LFL 4-20mA - Catalytic sensor - SMART3G-C2 Sensitron Explosion Proof Enclosure version Zone 1 category 2 areas S2097BT

Butyl Acetate Gas Detector, AcOnBu Gas Detector 0-100% LFL 4-20mA - Catalytic sensor - SMART3G-C2-LD Sensitron Explosion Proof Enclosure with LED version Zone 1 category 2 areas S2155AB-LD

Butyl Acetate Gas Detector, AcOnBu Gas Detector 0-100% LFL 4-20mA - Catalytic sensor - SMART3G-C2 Sensitron Explosion Proof Enclosure version Zone 1 category 2 areas S2097AB

Butane Gas Detector 0-100% LFL 4-20mA - Infrared sensor - SMART3-R for non classified area S4592BU Sensitron