Overview
- The MQ-2 gas sensor is sensitive to LPG, i-butane, propane, methane, alcohol, Hydrogen and smoke.
- It could be used in gas leakage detecting equipments in family and industry.
- The resistance of the sensitive component changes as the concentration of the target gas changes.
Features
- Continuous Analog output
- 3-pin interlock connector
- Low cost and compact size
Standard Working Condition
Symbol |
Parameter Name |
Technical Condition |
VC |
Circuit voltage |
5V±0.1 |
VH |
Heating voltage |
5V±0.1 |
RL |
Load resistance |
adjustable |
|
RH |
Heater resistance |
33Kohm±5% |
PH |
Heating consumption |
Less than 800mW |
|
Environment Condition
Symbol |
Parameter Name |
Technical Condition |
TO |
Operating Temp. |
-20°C-50°C |
|
TS |
Storage Temp. |
-20°C-70°C |
|
RH |
Relative Humidity |
<95% |
|
O2 |
Oxygen Concentration |
21%(standard condition) Oxygen concentration can affect sensitivity |
Resources
Demo Output
Demo output as the sensor approaches a lit cigarette
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