Welcome to Shanxi Tengxing Sensing Technology Co., Ltd
telephone 0086-0351-5249552
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Products

CH4 Gas Sensor

MQ-D9 Semiconductor CH4 Sensor

for indoor CH4 alarm

Application:

For alarm, monitor or detector of CO or CH4.

Product characteristics:

Be stable
Long life
Low cost
Simple drive circuit

1. Performance

 MQ-D9 is sensitive to CO and CH4.

2. Appearance and dimension

3. Technical specifications

MediaCO or CH4.
Voltage in clean airV0=0.5~1.5V(depends on the loading)
Voltage in calibration gasV1>V0+1v(100ppm CO)
Response time≤30s
Recovery time≤60s
Load resistor4.7K(adjustable)
Measuring pole voltageVc=5v
Heating pole voltageVh=1.5v
Heating pole currentIh<80mA
Load resistorRL=4.7K(adjustable)
Working temperature-20℃---+50℃
Storage temperature-50℃---+60℃


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