Detetor gás- sf6 e refrigerantes - r134a

R134a gas detector - explosion proof enclosure version s2602de r134a gas detector, norflurane gas detector, hfc-134a gas detector 0-2000 ppm 4-20ma - infrared sensor smart3g-d2 sensitron explosion proof enclosure version with lcd display zone 1 category 2 areas s3163r134a