TECHNICAL SPECIFICATIONS
| Measuring gas | Methane (gas, CH4), carbon monoxide (CO), oxygen (O2), hydrogen sulfide (H2S) |
| Measuring principle | CH4: Thermally catalyzed combustion sensor CO/O2/H2S: Electrochemical sensor |
| Test Range | CH4: 0.00% to 4.00% CO: 0 ppm to 1000 ppm O2: 0% to 25.0% H2S: 0 ppm to 100 ppm |
| Measurement method | Pump suction measurement method (built-in powerful suction pump) |
| Alarm point setting | Full range adjustable |
| Battery level display function | Real-time display of battery power |
| Display and sound and light alarm | Large-screen LCD display, alarm upgrade 80 dB |
| Resolution | CH4: 0.01%, O2: 0.1% |
| CO: 1 ppm, H2S: 1 ppm | |
| Continuous working time on full charge | More than 15 h |
| power supply | 3.7 V rechargeable lithium manganate battery |
| Ambient temperature/humidity | 32 °F to 104 °F (0 ℃ to 40 ℃), ≤98% |
| Explosion-proof type | ibdI 662°F (150 °C) Anti-vibration and anti-static ABS enclosure with IP 54 protection |
| Standard configuration | Host, charger, leather case, manual, qualified product, warranty card |
| Size and weight | 2.83 in x 2.67 in x 1.53 in (172 mm x 68 mm x 39 mm) / 0.77 lbs (350 g) |
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