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MQ-7 CO gas Sensore carbon monoxide Sensore Modulo

MQ-7 CO gas Sensore carbon monoxide Sensore Modulo

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$1.94
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MQ-7 CO gas sensor carbon monoxide sensor module

For gas carbon monoxide CO
Detection range of 10 ~ 1000 PPM
Characteristics of 100 parts per million of carbon monoxide gas
R sensitivity in air/R in typical gas 5 or higher
Sensitive body resistance 1 k ?? ~ 20 k ?? in 100 PPM CO
The Response time of the 150 s or less (70 Response)
Recovery time 150 s or less (70 Response)
Heat resistance 31 ?? ?? + 3
The heating current
5.0 V + / - 0.2 V / 1.5 V + / - 0.1 V
The heating power of about 350 mw
Measure the voltage 24 v or less
Working conditions of ambient temperature: - 20 ~ + 55
Humidity: 95 RH or less
Environmental oxygen content: 21
Temperature storage conditions: - 20 ~ + 70
Humidity: 70 RH or less

 
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MQ-7 Datasheet

MQ-7 Datasheet

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