Overview
The Enviro Test Construct multi-gas detector by Safe gas is a compact, intrinsically safe device designed for industrial safety monitoring. With IECEx and ATEX certifications, it ensures safe operation in hazardous environments, including coal mines. It detects multiple gases such as CO, H2S, O2, CH4, and LEL, with customizable sensor options available. Its rugged IP66/IP68 design, wireless connectivity, and long battery life make it reliable for continuous uses.
Features
- IECEx & ATEX certified explosion-proof design, suitable for coal mines.
- Detects multiple gases (CO, H2S, O2, CH4, LEL) with customizable options.
- Rugged ABS+PC body with IP66/IP68 water & dust resistance and 1.5m drop resistance.
- Compact, lightweight (200 g) design with ergonomic back clip for easy carrying.
- Real-time value, TWA, STEL, MAX, MIN multiple numerical display.
- Alarm with sound, light, vibration, and man-down detection.
- Wireless communication via Bluetooth, LoRa, or 4G (optional).
- Long battery runtime (18–24 hours) with rechargeable lithium polymer battery.
- Supports ppm, mg/m³, %VOL, %LEL unit switching.
- Self-test function and one-press restore to factory settings.
- Docking station support for bump test and calibration (optional).
Technical Specifications
| Detectable Gases | CO, H2S, O2, CH4, LEL, optional customization |
| Detection Principle | Electrochemical & Catalytic combustion |
| Sampling Method | Diffusion |
| Measure Range | CO: 0–500/1000/2000 ppm; H2S: 0–100/200 ppm; O2: 0–25%VOL/30%VOL; EX: 0–100%LEL |
| Resolution | CO: 1 ppm; H2S: 0.01 ppm; O2: 0.01%VOL; EX: 1%LEL |
| Accuracy | ≤±2% F.S. (customizable higher precision) |
| Response Time | ≤30 seconds (T90) |
| Alarm Type | Low, High, STEL, TWA, low battery, man-down |
| Alarm Mode | Sound (95dB @30cm), Light, Vibration |
| Display | Gas name, unit, value, electricity, alarm status |
| Concentration Units | ppm, mg/m³, %VOL, %LEL |
| Explosion-proof Grade | IECEx: Ex ia IIC T4 Ga, Ex ia I Ma; ATEX: Ex II 1G Ex ia IIC T4 Ga, Ex ia I Ma |
| Protection Class | IP66 / IP68 |
| Wireless Transmission | Bluetooth, LoRa, 4G (optional) |
| Power Supply | 3.7V rechargeable lithium battery, 2300mAh |
| Battery Runtime | Up to 18–24 hours, standby 24h |
| Charging Voltage | 5V |
| Working Temperature | -20℃ to +55℃ (-4℉ to 131℉) |
| Working Humidity | 0–95% RH (non-condensing) |
| Working Pressure | 86–106 kPa |
| Language | English |
| Executive Standards | GB 12358-2006, GB 3836.1-2010, IEC 60079-11-2, JJF1421-2013, JJG 365-2008 |
| Dimensions | 113 × 60 × 32 mm |
| Weight | 200 g (0.44 lbs) |
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