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AO-BH-90M Single Gas Detector
The BH-90M is a single gas detector with industrial-grade sensors and microcontrol technology, offering fast response and high accuracy. Compact, durable, waterproof, and explosion-proof. Ideal for industrial and rescue environments.
The BH-90M single gas detector adopts industrial-grade sensors and microcontrol technology, with fast response, high measurement accuracy, good stability, and repeatability. The overall performance of the device is at the forefront of the industry and easy to operate. The main design inspiration comes from pebbles, and the full-body design avoids the appearance of edges and corners as much as possible, making it compact and durable. The shell is made of high-strength engineering plastic and composite anti-slip rubber, with high strength, good hand feel, waterproof, dustproof, and explosion-proof.
Widely used in explosion-proof environments, toxic gas leakage rescue, underground pipelines, mines, metallurgy, power plants, chemicals, tunnels, and other places, effectively preventing poisoning accidents and ensuring the safety of workers and production equipment from being damaged.
Features:
- Industrial sensor
- Sound, light, and vibration alarm methods
- Type-C interface
- Chinese and English switching
- Quick response
- Three-defense design
| Alarm method | Sound, light, and vibration |
| Sampling method | Diffusion |
| Display | LCD display screen |
| Condition | -10~55℃,≤95%RH |
| Power supply | 3.7V rechargeable battery |
| Protection grade | IP65 |
| Charging time | 4~6h |
| Ex-protection | Ex ib llC T4 Gb |
| Working time | ≥8h |
| Dimensions | 114*60*43mm |
| 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 | 0-100%LEL | 1%lel | 20%LEL | 50%LEL |
| C2H4O | 0-100ppm | 1/0.1ppm | 20ppm | 50ppm |
| EX | 0-100%LEL | 1%lel/1%vol | 20%LEL | 50%LEL |
| C3H8 | 0-100%LEL | 1%lel/1%vol | 20%LEL | 50%LEL |
| C2H5OH | 0-100%LEL | 1%lel/1%vol | 20%LEL | 50%LEL |
| NH3 | 0-100ppm | 0.1/1ppm | 20ppm | 50ppm |
| CL2 | 0-20ppm | 0.1ppm | 5ppm | 10ppm |
| O3 | 0-10ppm | 0.1ppm | 2ppm | 5ppm |
| SO2 | 0-20ppm | 0.1/1ppm | 5ppm | 10ppm |
| PH3 | 0-20ppm | 0.1ppm | 5ppm | 10ppm |
| CO2 | 0-5000ppm | 1ppm/0.1%vol | 1000ppm | 2000ppm |
| NO | 0-250ppm | 1ppm | 50ppm | 150ppm |
| NO2 | 0-20ppm | 0.1ppm | 5ppm | 10ppm |
| HCN | 0-50ppm | 0.1/0.01ppm | 10ppm | 20ppm |
| HCL | 0-20ppm | 0.001/0.1ppm | 5ppm | 10ppm |
| CH2O | 0-20ppm | 1/0.1ppm | 5ppm | 10ppm |
| HF | 0-100ppm | 0.01/0.1ppm | 2ppm | 5ppm |
| C7H8/C8H10 | 0-20ppm | 0.01/0.1ppm | 5ppm | 10ppm |