Keyestudio MQ-7 Carbon Monoxide CO Gas Sensor Detection Module for Arduino Sensor Starter DIY Electronic Project
القسم: ألعاب أطفال, روبوتات الأطفال
حالة التوفر: متوفر في المخزون
شحن دولي
يرجى معاينة تفاصيل المنتج لمعرفة بلد المنشأ والشحن
مشاركة المنتج
- is_customized: Yes
- Theory: Gas Sensor
- Model Number: MQ-7
- Material: Mixture
- Type: Gas Sensor
- Output: Analog Sensor
- Brand Name: keyestudio
- Origin: Mainland China
- Use: Gas Sensor
- Product number: KS0045
good sensitivity to carbon monoxide.
long service life, low cost
simple drive circuit
household gas leak alarm
Industrial-level carbon monoxide gas alarm
Portable gas detector
Target gas: carbon monoxide
Detectable concentration: 300-10000ppm CO
Loop voltage Vc ≤10V DC
Heating voltage VH 5.0V±0.2V ACorDC(hight); 1.5V±0.1V ACorDC(low)
Load resistance RL adjustable
Heating resistance RH 31Ω±3Ω(Room temperature)
Heating power PH ≤350mW
Surface resistance of sensitive material Rs 2KΩ-20KΩ(in100ppmCO)
Sensitivity S Rs(in air)/Rs(100ppmCO)≥5
Concentration slope: α ≤0.6(R300ppm/R100ppm CO)
Temperature, humidity: 20±2;65%±5%RH
Standard test circuit: Vc:5.0V±0.1V;VH(high): 5.0V±0.1V;VH(low): 1.5V±0.1V
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