Overview
Enviro Test Construct portable multi gas detector could detect combustible gas, O2 and other two types toxic gases continuously and simultaneously. It is widely used in the area where explosion-proof is required or toxic gas leaks, like underground channels or mining industry, so as to protect the workers’ life and avoid damage on the relevant equipments.
Features
- Advanced MCU control with low power consumption
- Adjustable low and high alarm level
- Adjustable calibrating level
- High concentration protection for combustible gas
- Self-test for the combustible gas sensor
- Low battery indication
- Replaceable sensor module
- Self-adjustment function
- Visual and audible alarm with vibration
- STEL and TWA alarming for toxic gases
- Advanced self-examination and self-renovation function
- Password management to avoid wrong operation
- Explosive proof housing
Technical Specifications
| Sampling Method | Diffusion type |
| Detecting Range | CO: 0 ppm to 1000 ppm, H2S: 0 ppm to 100 ppm, O2: 0% vol to 30% vol, Combustible Explosive Gas (Ex or LEL or CH4): 0% LEL TO 100% LEL |
| Sensor | O2 or H2S or CO: plug-in electrochemical sensor |
| Alarm Type | Low & high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm |
| Resolution | 0.1% VOL (O2), 1 ppm (CO), 0.1 ppm (H2S), 1% LEL (EX) |
| Accuracy | 3% F.S |
| Response Time | 10 s |
| Repeatability | 1% |
| Zero Drift | 1% |
| Data Record | 500 pcs of data storage |
| Display | Alphanumeric large LCD displays the real time gas concentration and alarm stage |
| Backlight | Automatically activated when working in poor lighting environment or the alarm sounding or the button is knobbed down. |
| Self-Checking Function | Self-checking Battery power, display, sensor, hardware failure |
| Explosion-Proof | EXiaIICT4 |
| Protection Grade | IP65 |
| Power Supply | Rechargeable lithium battery |
| Pressure | 95 kPa to110 kPa |
| Humidity | 5% to 95% (Relative humidity non-condensing) |
| Temperature | -4 °F to 122 °F (-20 °C to 55 °C) |
| Dimension | 5.7 in × 2.71 in × 1.1 in (145 mm × 69 mm × 28 mm) |
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