BH-H3 Gas Alarm

BH-H3 gas alarm is a kind of wall-mounted household gas alarm designed to detect the concentration of combustible and toxic gases or vapors using high quality air-sensitive component and manufactured with advanced technology. It provides visual and audible signals when the gas concentration reaches the presetting range, and reminds you to take prompt favorable action.

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Fix the appliance on the wall at a horizontal distance as 2~4m from the cooker or gas source;

The vertical location of the appliance should be decided according to the type of gas sort:

●LPG:Fix it within 0.3 meters above the ground;

●Natural Gas:Fix it within 0.3 meters below the Roof

Such location should be avoided: 

◆Near the windows or passage with strong wind, 

◆Water fog and drop or such moist place; 

◆Easy polluted or high tem environment near Oven, 

◆Covered by other things.

Model 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 3min
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 year (normal use)
Weight 150g
Dimension L×B×H(mm):108×82×49.5


TAG:   Gas Domestic Alarm Gas Detector For Home Gas Alarm  home co detector
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 0-100ppm 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 50ppm


TAG:   Gas Domestic Alarm Gas Detector For Home Gas Alarm  home co detector

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