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MQ-4 |
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| Part Number | MQ-4 |
| Manufacturer | Henan Hanwei Electronics |
| Description | Henan Hanwei Electronics Co., Ltd www.hwsensor.com MQ-4 Semiconductor Sensor for Natural Gas Sensitive material of MQ-4 gas sensor is SnO2, which with lower conductivity in clean air. When the targ... |
| Features |
Concentration
Loop Voltage Vc
Circuit
Heater Voltage Load
Resistance
VH RL
Heater Resistance
RH
Character
Heater consumption
Sensing Resistance
PH Rs
Sensitivity S
Slope
α
Tem. Humidity
Condition Standard test circuit
Preheat time
MQ-4 Semiconductor Bakelite (Black Bakelite) Natural gas/ Methane 300-10000ppm ( Natural gas / Methane)
≤24V DC 5.0V±0.2V ACorDC
Adjustable
31Ω±3Ω（Room Tem.）
≤900mW
2KΩ-20KΩ(in 5000ppm CH4 )
Rs(in air)/Rs(5000ppm CH4)≥5 ≤0.6(R5000ppm/R3000ppm CH4) 20℃±2℃；65%±5%RH Vc:5.0V±0.1V； VH: 5.0V±0.1V Over 48 hours
Vc VRL
RL VH
GND
The above is basic test circ... |
| Document |
 MQ-4 Data Sheet
PDF 152.68KB |
Desde 2024. D4U Semiconductor.
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