MQ-2 PDF Datasheet
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Description
This is Gas Sensor. HANWEI ELETRONICS CO.,LTD
MQ-2
http:, , www.hwsensor.com
TECHNICAL
DATA
MQ-2
GAS SENSOR
FEATURES Wide detecting scope Fast response and High sensitivity Stable and long life Simple drive circuit APPLICATION They are used in gas leakage detecting equipments in family and industry, are suitable for detecting of LPG, i-butane, propane, methane ,alcohol, Hydrogen, smoke. SPECIFICATIONS 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 -20℃-50℃ -20℃-70℃ less than 95%Rh 21%(standard condition)Oxygen concentration can affect sensitivity Technical parameter 3KΩ-30KΩ (1000ppm iso-butane ) Remarks AC OR DC ACOR DC Room Tem
B. Environment condition
Parameter name Using Tem Storage Tem Related humidity Oxygen concentration Remarks
minimum value is over 2% Remarks De.