Ammonia Gas Detector - Explosion Proof Version S3225AM-LD
(NH3) Ammonia Gas Detector, Azane Gas Detector, Hydrogen nitride Gas Detector 0-100 ppm 4-20mA - Electrochemical cell - SMART3G-C2-LD Sensitron Explosion Proof Enclosure with LED version Zone 1 category 2 areas S3225AM-LD