Ammonia Gas Detector - Explosion Proof Enclosure Version S3227AM
(NH3) Ammonia Gas Detector, Azane Gas Detector, Hydrogen nitride Gas Detector 0-100 ppm 4-20mA - Electrochemical Cell - SMART3G-D2 Sensitron Explosion Proof Enclosure Version with display Zone 1 category 2 areas S3227AM