R1234yf Gas Detector - Dust Proof Enclosure Version S3430R1234YF
R-1234yf refrigerant Gas Detector, HFO-1234yf Gas Detector 0-100% LFL 4-20mA - Infrared sensor - SMART3G-D3 Sensitron Dust Proof Enclosure Version with display Zone 2 category 3 areas S3430R1234YF