Specification Brand : LJIA BulletPoint1 : The measurement unit of ammonia gas NH3 can be switched freely at the same time. BulletPoint2 : Quickly detect the concentration of various gases and the measurement of environmental temperature and humidity. If the measurement exceeds the limit, a sound and light vibration alarm will be issued. BulletPoint3 : Misoperation recognition function: automatic identification and prevention of misoperation of concentration calibration, which can avoid defects caused by human factors BulletPoint4 : Zero point automatic tracking, long-term use is not affected by zero point drift Color : One Color ExternallyAssignedProductIdentifier : 7435506345059 ItemName : Gas Leak Detector NH3 Ammonia Pump Suction Gas Detector, Explosion-proof Type, Ammonia Sensor, Ammonia Detector Durable for Industrial Use ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : leak-detection-tools Manufacturer : LJIA ModelName : 0646306462 ModelNumber : 0646306462 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : 0646306462 ProductDescription : NH3 Ammonia Pump Suction Gas Detector, Explosion-proof Type, Ammonia Sensor, Ammonia Detector