Technical Specifications
| Gas Detected | H2S CO O2 EX |
| Detection Principle | Electrochemical principle or Catalytic combustion principles |
| Measure Range | CO: 0 PPM to 1000 PPM; O2: 0 % VOL to 30 % VOL; EX: 0 % LEL to 100 % LEL; H2S: 0 PPM to 100 PPM |
| Resolution | CO: 1 PPM; O2: 0.01 % VOL; EX: 0.01 % LEL; H2S: 0.01 PPM |
| Sensor Life | 2 years to 3 years |
| Precision | 2 % F. S |
| Sampling Method | Built-in stable flow pump, flow range: 0 to 500 ML/Min |
| Modular Structure | Can detect up to 1 to 4 kinds of gases |
| Concentration Unit | ppm, mg/m3, % VOL, % LEL, can be switched by one button |
| Display | 3.5-in color display, resolution 320 x 480 |
| Display Mode | Multiple display modes select-able: multi-channel data mode, multi-curve mode, single channel + single curve mode |
| Data Storage | Standard 16 M capacity storage function, can save up to 100000 groups of data. Can be directly connected to the computer through USB, quickly download stored data, EXCEL format |
| Wireless Transmission | (optional) Bluetooth (with printer), ZigBee, built-in DTU wireless module (optional) |
| Built-in printer or external Bluetooth printer (optional with extra charge) |
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| Battery Capacity | 3800 mA rechargeable |
| Charging Interface | USB charging interface, 5 V or 2 A standard charger |
| Filter Device | Equipped with a multi-layer filter to efficiently filter oil, water and dust. |
| Wireless Network | Bluetooth (with print function), ZigBee, Lora+ (relay DTU), DTU (optional with extra charge) |
| Network Frequency | Lora (470M), DTU (2.4G) (optional with extra charge) |
| Wireless Trans. Distance | Lora (1.6 km), DTU (unlimited) (optional with extra charge) |
| Response Time | ≤ 8 S |
| Repeatability | ≤ ± 1 % |
| Zero Shift | ≤ ± 1 % (F.S / Year) |
| Operating Temperature | – 4 °F to 122 °F (- 20 °C to 50 °C) |
| Working Humidity | 0 % RH to 95 % RH (no condensation) (high humidity can be selected with filter drying device) |
| Explosion-Proof | Exic II CT3, GC |
| Alarm Mode | Buzzer, LED and alarm status prompt on the display, fault alarm, pump abnormal alarm, battery low battery alarm, shutdown alarm, fall alarm (optional with extra charge) |
| Dimensions | 10.63 in x 2.95 in x 1.61 in (27.0 cm x 7.5 cm x 4.1 cm) |
| Recovery Time | ≤ 10 S |
| Linearity Error | ≤ ± 1 % |
| Degree Of Protection | IP66 |
| Weight | 14.11 oz (400 g) |
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