Xi'an Kacise Optronics Co.,Ltd.
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KMBH - 4A Mining Industry Gas Detector
Introduction
Tailored for the mining industry, the KMBH - 4A Mining Industry Gas Detector is a reliable safety device. It continuously monitors combustible gas, O₂, and two types of toxic gases. The natural diffusion sampling method, combined with high - sensitivity sensors, ensures high - precision measurements. Equipped with a 32 - bit MCU, it adapts well to the harsh mining environment. The large LCD clearly displays real - time gas levels and system status. Its compact size and light weight facilitate easy carrying during mining operations. Made of high - strength materials, it’s waterproof, dustproof, and explosion - proof, protecting miners from potential gas hazards.
Product Features
1. Comprehensive gas detection to safeguard miners in the mining environment.
2. High - reliability MCU for stable operation in harsh conditions.
3. Robust construction with waterproof, dustproof, and explosion - proof features.
Technical Parameters
| Accuracy | ≦±5% F.S. | |||
| Response Time | ≦30s | |||
| Indication | LCD displays real-time and system status; LED, audio and vibration alert for gas leakage, fault and low voltage. | |||
| Sensor | -20℃～50℃, ＜95%RH (no dew) | |||
| Working environment | DC3.7V Li-on battery, 1800mAh | |||
| Alarm Type | 6h~8h | |||
| Backlight | ≧8h continuously (without alarming) | |||
| Power Source | 2 years | |||
| Charging time | Appr. 400g (with battery) | |||
| Working time | 130mm×67mm×30mm(L × W × H) | |||
| Gas Sensor Life | Suit case packaging, 1pc; Charger, 1pc; Calibration cap, 1pc; Communications cable, 1pc; User manual, 1pc. | |||
Specifications
| Model | Range | Resolution | L-alarm | H-alarm |
| CO | 0-1000ppm | 1ppm | 50ppm | 150ppm |
| O2 | 0-30%vol | 0.1%vol | 19.5%vol | 23.5%vol |
| H2 | 0-1000ppm | 1ppm | 50ppm | 150ppm |
| H2S | 0-100ppm | 0.1ppm | 10ppm | 20ppm |
| CH4 | 0-5%vol | 0.01%vol | 1%vol | 2.5%vol |
| C2H4O | 0-100ppm | 1ppm | 10ppm | 20ppm |
| EX | 0-100%LEL | 1%lel/1%vol | 20%LEL | 50%LEL |
| HC | 0-2%vol | 0.01%vol | 0 | 0 |
| C2H6O | 0-100ppm | 1ppm | 10ppm | 20ppm |
| NH3 | 0-100ppm | 1ppm | 10ppm | 20ppm |
| CL2 | 0-50ppm | 0.1ppm | 5ppm | 10ppm |
| O3 | 0-20ppm | 0.1ppm | 5ppm | 10ppm |
| SO2 | 0-20ppm | 0.1 | 5ppm | 10ppm |
| PH3 | 0-20ppm | 0.1ppm | 5ppm | 10ppm |
| CO2 | 0-5%vol | 0.01%vol | 1%vol | 2%vol |
| NO | 0-250ppm | 1ppm | 50ppm | 150ppm |
| NO2 | 0-20ppm | 0.1ppm | 5ppm | 10ppm |
| HCN | 0-50ppm | 0.1ppm | 5ppm | 10ppm |
| HCL | 0-50ppm | 0.1ppm | 5ppm | 10ppm |
| HF | 0-10ppm | 0.1ppm | 3ppm | 5ppm |
| C7H8/C8H10 | 0-100ppm | 1ppm | 10ppm | 20ppm |