Description
Features
- LCD dot matrix display
- The gas concentration unit PPM and mg/m3 can be shifted quickly.
- Explosion-proof certification, explosion-proof grade: Exiaâ…¡CT4.
- Monitor the NH3 ammonia concentration in environment and enclosed space and alarm.
- With Self-calibration and zero calibration functions.
- One press to restore factory setting, free from the bother of mis-operation.
- With temperature and pressure compensation.
- Two stages alarm with sound and light, alarm point is settable.
- Rechargeable lithium polymer battery of large capacity.
Technical Specifications
| Gas Detected | Ammonia Gas or NH3 |
| Detection principle | Electrochemistry |
| Sampling Method | Pumping suction, flow rate can up to 1L/min, ten grades of pumping suction for selection. |
| Measure Range | 0 ppm to 20 ppm, 0 ppm to 50 ppm, 0 ppm to 100 ppm, 0 ppm to 500 ppm, 0 ppm to 1000 ppm, 0 ppm to 2000 ppm, 0 ppm to 5000 ppm (range is optional and customized) |
| Resolution | 0.01 ppm (0 ppm to 20 ppm, 0 ppm to 50 ppm,0 ppm to 100 ppm), 0.1 ppm (0 ppm to 500 ppm), 1 ppm (0 ppm to 1000 ppm and above) |
| Precision |  ≤ ± 2 % F.S. |
| Signal Output | High-speed data transmission by USB, available for data downloading and
printing (optional function) |
| Response Time |  ≤ 10 Seconds |
| Repeatability |  ≤ ± 1 % |
| Zero shift |  ≤ ± 1 % (F.S for year) |
| Explosion-Proof | Exiaâ…¡CT4 |
| Alarm mode | Sound, light, vibration |
| Recovery Time |  ≤ 10 seconds |
| Linearity error |  ≤ ± 1 % |
| Display | LCD dot matrix display |
| Gas unit | Units are switchable |
| Humidity | 0 % RH to 95 % RH |
| Degree of protection | IP66 |
| Operating time | 100 h (pump off) |
| Temperature | – 40 °F to 158 °F (- 40 ℃ to 70 ℃) |
| Dimensions | 8.07 in x 2.95 in x 1.26 in (20.5 cm x 7.5 cm x 3.2 cm) |
| Weight | 10.58 oz (300 g) |