Heptane Gas Detector - Explosion Proof Enclosure Version S2155EP-LD
Heptane Gas Detector, Dipropylmethane Gas Detector 0-100% LFL 4-20mA - Catalytic sensor - SMART3G-C2-LD Sensitron Explosion Proof Enclosure with LED version Zone 1 category 2 areas S2155EP-LD