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Products

Air Quality (VOC) Sensor

MQ-D2 Semiconductor Sensor

for air cleaner

Application:

For home device in monitoring harmful gas, such as automatic exhaust device, air cleaner, kitchen ventilator and so on.

Product characteristics:

Low power
Be stable
Simple circuit
Anti-jamming

1. Performance

Scope of application: MQ-D2 gas sensors apply to the home device monitoring harmful gas, such as automatic exhaust device, air cleaner, kitchen ventilator and so on. Its sensitive to reducing gas such as ammonia(NH4), hydrogen(H2), carbon monoxide(CO), alcohol(C2H6O), methane(CH4), propane(C3H8), glycerol, styrene(C8H8), propanediol(C3H8O2), hydroxybenzene, methylbenzene(C7H8), ethylbenzene(C8H10), dimethylbenzene(C8H10), formaldehyde(CH2O) and any other organic volatile gas, smog and soot.

2. Appearance and dimension

 

3. Technical specifications

Voltage in clean airV0≥0.5~1.5v(depends on the loading)
Voltage in calibration gas V1≥V0+1v(0.3% CH4)
Response time≤30s
Recovery time≤60s
Measuring pole voltageVc=5v±0.1v
Heating pole voltageVh=5v±0.1v
Load resistorRL=10K(adjustable)
Ambient temperature -10℃---+55
Relative humidity<90%
Air pressure650-800mmHg


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