Datasheet Summary
HANWEI ELECTRONICS
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TECHNICAL DATA
MQ-4 GAS SENSOR
Features
- High sensitivity to CH4，Natural gas.
- Small sensitivity to alcohol, smoke.
- Fast response .
- Stable and long life
- Simple drive circuit
APPLICATION
They are used in gas leakage detecting equipments in family and industry, are suitable for detecting of
CH4,Natural gas.LNG, avoid the noise of alcohol and cooking fumes and cigarette smoke.
SPECIFICATIONS
A. Standard work condition
Symbol Vc VH PL
Parameter name Circuit voltage Heating voltage Load resistance
Heater resistance
Technical condition 5V±0.1 5V±0.1
20KΩ
33Ω±5%
Remarks AC OR DC ACOR DC
Room Tem
PH Heating consumption
B....
