2pcs MQ-3 Alcohol Ethanol Sensor Module Gas Air Detector Sensor MQ3 MQ 3
MQ-3 Alcohol Ethanol Sensor Module Gas Detector Sensor MQ3 Free Shipping
Specifications
1.Heater voltage : 5±0.2V (AC•DC)
2.Loop voltage : ≤24V (DC)
3.Load resistance : adjustable
4.Heating Resistance : 31Ω±3Ω (Room temperature)
5.Heating Power : ≤ 900mW
6. Surface thermal resistance : 2Kohm-20Kohm (0.4mg/L alcohol)
7.Sensitivity : Rs (in air)/Rs (0.4mg/L alcohol) ≥ 5
8.Working temperature : 20 degree ±2 degree
9 .Humidity : 65%±5%RH
Features
1.Signal output light indicator.
2.Analog and level signal output.
3.TTL output valid signal is low. (When the output low signal light can be directly connected microcontroller or relay module) .
4.The carbon monoxide detection with better sensitivity.
5.Has a long service life and reliable stability.
6.Rapid response recovery features.
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Additional information
| Origin | CN(Origin) |
|---|---|
| Material | Mixture |
| Theory | Inductance Sensor |
| Output | Analog & Digital Sensor |
| Usage | Gas Sensor |
| Type | Gas Sensor |
| is_customized | Yes |
| Model Number | MQ-3 Alcohol Ethanol Sensor Module |
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