Nitrogen Dioxide Gas Detector - Explosion Proof Version S3008ND-LD
Nitrogen Dioxide Gas Detector, NO2 Gas Detector 0-20 ppm 4-20mA - Intrinsically Electrochemical cell - SMART3G-C2-LD Sensitron Explosion Proof Enclosure with LED version Zone 1 category 2 areas S3008ND-LD