Description Features Simultaneous detection of 1 to 5 gases Intrically safe circuit design Built in high power self priming pump Optional sampling probe and its catheter Dust proof, Explosion proof and water proof Technical Specifications Item 4 In 1 Gas Detector 4 Unity Gas Analyzer Portable Nh3 Ammonia Meter Detection Principle Catalytic/electrochemical/PID/infrared Sampling Mode Pump suction type Environment Humidity ＜95 % RH No condensation Power DC 3.7 V lithium battery；2800 mAh Explosion Proof Grade Ex ib llC T6 Gb Explosion Proof Number CNEx18.4929X Environment Temperature -58 °F to 122 °F (-50 ℃ to 50 ℃) Dimensions 6.89 in x 2.99 in x 1.89 in (175 mm × 76 mm × 48 mm) Weight 1.10 lb (0.5 kg)
