This post explains for the gas sensor MQ-135, MQ135.
The Part Number is MQ-135.
The function of this semiconductor is Gas Sensor.
Manufacturer: Hanwei Electronics
1. Wide detecting scope
2. Fast response and High sensitivity
3. Stable and long life
4. Simple drive circuit
They are used in air quality control equipments for buildings/offices, are suitable for detecting
of NH3, NOx, alcohol, Benzene, smoke,CO2 ,etc
HANWEI ELCETRONICS CO.,LTD http://www.hwsensor.com TECHNICAL DATA
A. Standard work condition Symbol Vc VH RL RH PH Symbol Tao Tas RH O2 Parameter name Circuit voltage Heating voltage Load resistance Heater resistance Heating consumption Technical condition 5V±0.1 5V±0.1 can adjust 33Ω ±5% less than 800mw Technical condition -10℃…+45℃ -20℃…+70℃ less than 95%Rh 21%(standard condition)Oxygen concentration can affect sensitivity Technical parameter 30KΩ -200KΩ (100ppm NH3 ) ≤ 0.65 Vc:5V±0.1 Vh: 5V±0.1 Remarks AC OR DC ACOR DC Room Tem B. Environment condition Parameter name Using Tem Storage Tem Related humidity Oxygen concentration Remarks min […]