2015NEW KEYESTUDIO MQ135 Air Quality Sensor MQ-135

US$ 5.92 US$ 10.92

Availability: In stock

SKU: 420744

Form Color Black Model N/A Quantity 1 DX.PCM.Model.AttributeModel.Unit Material FR4 Application Arduino learning Working Voltage DC 3.3V-5 DX.PCM.Model.AttributeModel.Unit Working Current >/=20 DX.PCM.Model.AttributeModel.Unit English Manual / Spec No Download Link http://www.keyestudio.cc/h-nd-77.html...

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Form Color	Black
Model	N/A
Quantity	1 DX.PCM.Model.AttributeModel.Unit
Material	FR4
Application	Arduino learning
Working Voltage	DC 3.3V-5 DX.PCM.Model.AttributeModel.Unit
Working Current	>/=20 DX.PCM.Model.AttributeModel.Unit
English Manual / Spec	No
Download Link	http://www.keyestudio.cc/h-nd-77.html
Other Features	Specification: Working voltage: DC 3.3V-5V Working current: >/=20mA Working temperature: 10'C50'C IO Interface: 3 wire interface (-/+/S/) Product model: MQ135 Product type: Semiconductor gas sensor Standard Package: Bakelite (Black Bakelite) Target gas: Ammonia; methylbenzene; hydrogen Standard circuit: Loop voltage Vc =24V DC Heater voltage: VH 5.0V¡À0.2V AC or DC Load resistance: Adjustable RL Features of sensitive components under standard test condition: Heating resistor RH 31ohms¡À3ohms (room temperature) Heater power consumption: PH =900mW Surface resistance of sensitive material: Rs 2Kohms-20Kohms(in 100ppm NH3) Sensitivity: S Rs(in air)/Rs(100ppmNH3)>/=5 Concentration slope: @=0.6(R100ppm/R50ppm NH3) Standard testing temperature/humidity : 20'C¡À2'C/65%¡À5%RH Standard testing circuit: Vc:5.0V¡À0.1V VH: 5.0V¡À0.1V Preheating time: >/=48H
Packing List	1 x MQ135 Air Quality Sensor