Overview
Enviro Test Construct portable toxic ammonia Nh3 gas detector is mainly used for rapid and accurate detection of gas leakage or gas concentration exceeding the alarm. The main detection principles of gas detection are electrochemical, infrared, catalytic combustion, thermal conductivity, PID photoionization, etc. It is widely used in firefighting, emergency rescue, restricted space, petroleum, chemical, metallurgy, refining, gas, storage, medicine, environmental protection, air treatment and other occasions.
Features
- Built-in pump suction measurement can be switched to diffusion, diffusion + pump suction detection.
- Pump clogging alarm
- LED lighting (optional)
- 8 button operation, quick one-key calibration function
- Data storage, storage capacity of not less than 100,000 items
- Communication interface: TYPE-C, option: Bluetooth
- Fall alarm
- Data recovery function, partial or full recovery of factory data
- Maximum value, minimum value, weighted average value display
- Multiple alarm mode alarm mode setting:
- Alarm mode: sound and light alarm, vibration alarm, voice alarm
Technical Specifications
| Detection Gas | Ammonia NH3 |
| Detection Range | NH3:0 ppm to 300 ppm |
| Resolution | 0.1 ppm |
| Detection Principle | Electrochemical |
| Sensor Life | 2 years to 3 years |
| Detection Method | Built-in pump suction type, can be switched to diffusion, Diffusion + pump suction detection mode |
| Display | LCD |
| Linearity | ≤ ± 3 % |
| Response Time | T90 ≤ 20 s |
| Operating Power | D C3.7 V |
| Battery Capacity | 2500 mAH rechargeable polymer battery with over-charging, over-discharging, Over-voltage, short-circuit and over-heating protection. |
| Repeatability | ≤ ± 2 % |
| Recovery Time | ≤ 30 s |
| Communication Interface | Type-C (2 hours full charge) |
| Data Storage | With high-capacity data storage of 100,000 items (other capacities can be customized) |
| Explosion-Proof Grade | Intrinsically safe ExiaIIC T4 Ga |
| Protection Class | IP68 |
| Shell Material | High-strength corrosion-resistant fire-resistant polycarbonate and rubber protective sleeve, Drop-proof wear-resistant anti-static, effective anti-drop ≥ 5 m |
| Standard Accessories | Calibration cover, pump suction nozzle, manual, certificate of conformity, USB charger (including data cable), instrument box |
| Size | 6.49 in × 2.51 in × 2.40 in (165 mm ×64 mm ×61 mm) |
| Working Environment | Temperature: -40 °F to 158 °F. (-40 °C to 70 °C), Humidity: (10 % RH to 95% RH) non-condensation |
| Weight | 0.617 lb (0.28 kg) |
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