Winsen MQ-4 Methane Sensor is an original and brand new methane gas sensor. With a long lifespan and low price, for detecting Methane gas leakage.
MQ-4 gas sensor has a high sensitivity to methane, also has anti-interference to alcohol and other gases. It is low cost and suitable for different applications of detecting kinds of methane concentration gases.
Features
Responsive to Methane gases
Compatible with 5V
Cost-efficient
Specification
| Model Type | MQ-4 |
| Sensor Type | Semiconductor |
| Standard Encapsulation | Bakelite, Metal Cap |
| Target Gas | Methane |
| Detecting Range | 300～10000ppm(CH4) |
| Output Voltage | 2.5V~4.0V (in 5000ppm CH4) |
| Load Resistance | Adjustable |
| Heater Voltage | 5.0V AC or DC |
| Sensitivity | Rs(in air)/Rs(in 5000ppmCH4)>5 |
| Tem. Humidity | 20C, 55%+/-5%RH |
| Length (mm) | 24 |
| Diameter (mm) | 19 |
| Weight (gm) | 8 |
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