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AO-BH-H3 Gas Alarm with shut off valve
Wall-mounted AO-BH-H3 gas alarm with shut off valve. Detects combustible and toxic gases, providing visual and audible alarms for quick and safe action.
The AO-BH-H3 is a wall-mounted gas alarm designed to detect the concentration of combustible and toxic gases or vapors using high-quality air-sensitive components and advanced technology. It provides visual and audible signals when the gas concentration reaches the preset range, prompting you to take immediate action. We support OEM/ODM/R&D services.
Installation Instructions:
- Fix the appliance on the wall at a horizontal distance of 2~4m from the cooker or gas source.
- The vertical location of the appliance should be decided according to the type of gas:
- LPG: Fix it within 0.3 meters above the ground.
- Natural Gas: Fix it within 0.3 meters below the roof.
- Avoid the following locations:
- Near windows or passages with strong wind.
- Humid places with fog or water droplets.
- Easily polluted or high temperature environments near the oven.
- Covered by other objects.
| Model | AO-BH-H3 |
| Detecting Gas | Combustible gas & CO |
| Sensor Type | Semiconductor sensor |
| Gas Sampling | Diffuse naturally |
| Alarm Set Point | Combustible gas: 10%LEL / CO: 100PPM |
| Warming Time | 3 min |
| Accuracy | Combustible gas: ±3%LEL / CO: ±50PPM |
| Response Time | ≦60s |
| Resume Automatically | ≦30s |
| Power | AC220V |
| Alarm Current | ＜50mA |
| Power Consumption | ＜1W |
| Alarm Method | Visual and audible |
| Sound Level | ≧70dB |
| Optional Function | 220V relay, 9V pulse, relay output NO or NC |
| Environment | Temperature: 0℃～55℃, Humidity: ＜95% no dew |
| Life | 5 years (normal use) |
| Weight | 150g |
| Dimensions | L×B×H(mm): 108×82×49.5 |
| Model | Range | L-alarm | H-alarm |
| CO | 0-1000ppm | 35ppm | 200ppm |
| O2 | 0-30%vol | 19.5%vol | 23.5%vol |
| H2 | 0-100%LEL | 20%LEL | 50%LEL |
| H2S | 0-100ppm | 10ppm | 20ppm |
| CH4 | 0-100%LEL | 20%LEL | 50%LEL |
| C2H4O | 0-20ppm | 10ppm | 15ppm |
| C2H4 | 0-100%LEL | 20%LEL | 50%LEL |
| C3H8 | 0-100%LEL | 20%LEL | 50%LEL |
| C2H5OH | 0-100%LEL | 20%LEL | 50%LEL |
| NH3 | 0-100ppm | 25ppm | 50ppm |
| CL2 | 0-20ppm | 5ppm | 10ppm |
| O3 | 0-20ppm | 5ppm | 10ppm |
| SO2 | 0-20ppm | 2ppm | 5ppm |
| PH3 | 0-20ppm | 0.3ppm | 5ppm |
| CO2 | 0-50000ppm | 1000ppm | 2000ppm |
| NO | 0-250ppm | 20ppm | 50ppm |
| NO2 | 0-20ppm | 5ppm | 10ppm |
| HCN | 0-500ppm | 10ppm | 20ppm |
| HCL | 0-50ppm | 10ppm | 20ppm |
| CH2O | 0-10ppm | 2ppm | 5ppm |
| VOC | 0-100ppm | 20ppm | 50ppm |
| C6H6 | 0-100ppm | 20ppm | - |
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