Features: 1.Portable monitor for detect ammonia, temperature. 2.Respond quickly, detect precisely, sound,light two types alarms indication. 3.Electrochemical principle measuring,high accuracy. 4.Rechargeable battery,USB powered. 5.Large LCD screen backlight display, can read in dark. Description: 1.Auto power off,alarm value set. 2.℃/℉ unit switchable. 3.Widely used in factory, home, office, and public place. Package Information: Package Weight: 734g(1.62lb) Package Size: 253 x 210 x 57mm (9.96 x 8.27 x 2.24 in) Specifications: Gas Type: Ammonia (NH³) Measuring range: 0~100PPM Resolution: 0.1PPM Basic error: ±2% Response time: T90 -120 sec Recovery time: <120 sec Measuring Principle: Electrochemical principle, life for 2 years Display: Large LCD Display Alarm: Sound, Light Alarm. Adjustable Alarm values, Alarm sound up to 80 db. Operation Humidity: <95%RH (Non Gel) Continuous Operation Time: >60 hours Standard Package: 1 X ammonia gas meter 1 x user manual 1x Li-battery 1x Power charger 1 x USB charging Cable 1 x Warranty card 1x calibration certificate 1x hand carry case 1x Gift paper box
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