AO-BH-H3 Gas Alarm with shut off valve

Reference AO-BH-H3

Manufacturer: Bosean

Condition: New

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.

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OVERVIEW
SPECIFICATIONS
VIDEO

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	-