Collection: Gas Detector

VTSYIQI Fixed H2 Detector Hydrogen Gas Detector Hydrogen Gas Monitor with Measuring Range 0 to 1000ppm Output Current 4-20mA L-Alarm 50ppm H-Alarm 150ppm Resolution 1ppm Shell Material Aluminum

VTSYIQI Fixed Hydrogen Detector H2 Gas Tester Monitor with Measuring Range 0 to 1000ppm Resolution 1ppm Single Input 20mA and RS485 L-Alarm 50ppm H-Alarm 150ppm