R1234yf Gas Detector SMART3-H-FM LITE S4139R1234YF
R-1234yf refrigerant Gas Detector, HFO-1234yf Gas Detector 0-20% LFL 12-24 Vdc - Infrared sensor - SMART3-H-FM LITE for non classified area S4139R1234YF - Sensitron
R1234yf Gas Detector SMART3-H LITE S3857R1234YF
R-1234yf refrigerant Gas Detector, HFO-1234yf Gas Detector 0-5000 ppm - Infrared sensor - SMART3-H LITE for non classified area S3857R1234YF - Sensitron
R1234yf Gas Detector SMART3-H LITE S3844R1234YF
R-1234yf refrigerant Gas Detector, HFO-1234yf Gas Detector 0-20% LFL - Infrared sensor - SMART3-H LITE for non classified area S3844R1234yf - Sensitron
R1234yf Gas Detector Dust Proof Enclosure Version S3428R1234YF
R-1234yf refrigerant Gas Detector, HFO-1234yf Gas Detector 0-100% LFL 4-20mA - Infrared sensor - SMART3G-C3 Sensitron Dust Proof Enclosure Version Zone 2 category 3 areas S3428R1234YF Sensitron