Air Quality Tester, Portable NH3 Ammonia Gas Detector Four Alarm methods explosion-proof USB Rechargeable Bosean Industrial Gas Alarm,Enjoy the Health Benefits

Product description:Gas type: Single Gas DetectorGas measurement range: 0-50ppm4 Alarm methods : Sound Alarm, Light flashing, Vibrating alert, Screen display, adjustable alarm values, alarm sound more than 80dbOperating temperature: -20-50(except LEL is 0~40C)<;95%RH (no dew)Display: HD displayPower: 3.7V li-battery(Built-in)Battery runtime: 10 hours or so. Product Net Weight : 227g (with battery)Size : 100mm×60mm×30mm (L × W × H)Explosion-proof mark: Exib IIC T4 GbProtection class: ip65Record storage: 1000 groups of alarm recordsProduct Size: 140mm×64mm×34mm (L × W × H)Package Weight: 800gPackage listing1 x NH3 gas monitor1 x English User manual1 x Charging adaptor1 x USB charging cable1 x Calibration cover1 x Metal aluminum box

• 1. Industrial grade senior sensor, high accuracy, real data, great stability, real-time detection.
• 2. Four alarm modes (sound, light, vibration, display) are not easy to ignore, high security, high and low alarm value can be set for free
• 3.3.7v rechargeable lithium battery, 1800MA battery capacity, charging time is less than five hours, continuous work for more than ten hours (gas detection is not less than 7 hours)
• 4. High strength ABS material, explosion-proof.
• 5. Fast response, high precision, stability and repeatability, simple operation, small size, portable and durable, resist the harsh environment of the test