2015NEW KEYESTUDIO MQ-8 Hydrogen Gas Sensor
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2015NEW KEYESTUDIO MQ-8 Hydrogen Gas Sensor

$4.52
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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 3.3~5 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-76.html Other Features Specification: Working voltage: DC 3.3V-5V Working current: >/=20mA Working temperature: -10'C~+50'C IO Interface: 3 wire interface (-/+/S/) Detectable concentration: 100-1000ppm (hydrogen) Loop voltage Vc: =24V DC Heating voltage VH: 5.0V¡À0.1V AC or DC Load resistance RL: adjustable Heating resistance RH: 29¡À3ohms (Room temperature) Heating power: PH = 900mW Sensitivity S: Rs(in air)/Rs(1000ppm H2)>/=5 Output voltage Vs: 2.5-4.0V1000ppm H2 Concentration slope: @=0.6(R1000ppm/R400ppm H2) Temperature, humidity: 20'C¡À2'C; 55%¡À5%RH Standard test circuit: Vc: 5.0V¡À0.1V VH: 5.0V¡À0.1V Packing List 1 x MQ-8 hydrogen gas sensor

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