Overview
Enviro Test Construct multi gas laser detector sensor 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
- Pump clogging alarm
- LED lighting (optional)
- Unit free switching, unit 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
- Alarm type: Concentration alarm, under pressure alarm, fault alarm
- Alarm mode: low alarm, high alarm, interval alarm, TWA/STEL alarm
- Mis operation identification function,
- Zero-point auto-tracking, avoid zero-point drift
- Multi-level calibration of target point
- Intrinsically safe circuit design, explosion-proof, shock-proof, anti-static, anti-radiation
- Protection level IP68, rain and soak-proof, dust-proof, anti-corrosion
Technical Specifications
| Resolution | 0.1 ppm |
| Unit Display | umol/mol, ppm, pphm, ppb, mg/m3, ug/m3, % Vol, % LEL (Optional) |
| Detection Principle | Electrochemical |
| Sensor Life | 2 to 3 years |
| Detection method | Built-in pump suction type, can be switched to diffusion, diffusion + pump suction detection mode |
| Display | LCD |
| Repeatability | ≤ ± 2 % |
| Recovery time | ≤ 30 s |
| Linearity | ≤ ± 3 % |
| Response time | T90 ≤ 20 s |
| Operating power | DC 3.7 V x 2 |
| Battery capacity | 2500 mAH rechargeable polymer battery with over-charging, over-discharging, over-voltage, short-circuit and over-heating protection. |
| 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 |
| Size | 6.50 in x 2.52 in x 2.40 in (165 mm × 64 mm × 61 mm |
| Weight | 0.62 lb (280 g) |
| Working environment | Temperature: – 40 °F to 158 °F (- 40 °C to 70 °C) Humidity: 10 % RH to 95 % RH non-condensation |
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