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HJP Technology Co., Ltd
Add.: No.11 Zhengshang Road, Zhengzhou, 450007, China
Tel.: +86-18603812197
Fax: +86-371-67866119
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Email: angela@hjpsensor.com
hjpsensor@gmail.com
Website: www.hjpsensor.com
MQ-3C Alcohol sensor
Category: Semiconductor Sensor
Publish Time: 2014-01-09 18:11
Application:
a, Portable Breath Alcohol Concentration Tester
b, Integrated mobile alcohol breatch tester
c, GPS navigation systems, integrated multifunction electronic watch alcohol concentration test module
Standard circuit condition
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Loop supply voltage
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Vc
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3VDC
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Load resistance
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RL
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20KΩ (typical), adjustable
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Desorption voltage
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VH
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2.6V
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Desorption current
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IH
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≤120mA
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Working voltage
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IA
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1.5VDC
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Sensor consumption
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PW≤0.36W
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Sensitivity character
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Typical responsibility to 130ppm alcohol in 25℃ (Partial pressure variation)
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﹥0.6V
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Detection range
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10-1000ppm alcohol
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Response time
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≤5s
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Resume time
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≤10s
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Environment condition
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Using temperature
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-20℃—+50℃
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Storage temperature
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-20℃—+70℃
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Storage relative humidity
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≤95%RH
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Oxygen concentration in the using environment
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21%±1% (standard condition )
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