Transcription of TECHNICAL DATA MQ-135 GAS SENSOR - Olimex
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TECHNICAL DATA MQ-135 GAS SENSOR - Olimex
TECHNICAL DATA MQ-135 GAS SENSOR FEATURES Wide detecting scope Fast response and High sensitivity Stable and long life Simple drive circuit APPLICATION They are used in air quality control equipments for buildings/offices, are suitable for detecting of NH3,NOx, alcohol, Benzene, smoke,CO2 ,etc. SPECIFICATIONS A. Standard work conditionSymbolParameter nameTechnical conditionRemarks VcCircuit voltage5V OR DC VHHeating voltage5V DC RLLoad resistancecan adjust RHHeater resistance33 5%Room Tem PHHeating consumptionless than 800mw B.
When accurately measuring, the proper alarm point for the gas detector should be determined after considering the temperature and humidity influence. 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8-20-10 0 10 20 3040 5060 degree Rs/R o 33%RH 85%RH Fig.3 is shows the typical sensitivity characteristics of the MQ-135 for several gases. in their: Temp: 20 ...
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