R1234ze Gas Detector - Explosion Proof Enclosure Version S3433R1234ZE-LD
R-1234ze refrigerant Gas Detector, HFO-1234ze Gas Detector 0-100% LFL 4-20mA - Infrared sensor - SMART3G-C2-LD Sensitron Explosion Proof Enclosure with LED version Zone 1 category 2 areas S3433R1234ZE-LD