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R1234yf Gas Detector - Explosion Proof Enclosure Version S3657R1234YF

R-1234yf refrigerant Gas Detector, HFO-1234yf Gas Detector 0-2000 ppm 4-20mA - Infrared sensor - SMART3G-C2 Sensitron Explosion Proof Enclosure version Zone 1 category 2 areas S3657R1234YF
SMART3G-C2 - Détecteur de Gaz Zone 1 Category 2 gas detector