Hydrogen Sulphide Gas Detector - Dust Proof Version S2136HS
Hydrogen Sulphide Gas Detector, H2S Gas Detector, Sulfane Gas Detector 0-50 ppm 4-20mA - Electrochemical cell - SMART3G-C3 Sensitron Dust Proof Enclosure Version Zone 2 category 3 areas S2136HS
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