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mq-3 alcohol ethanol sensor breath gas detector ethanol detection for arduino, US $5.87 – Picture 0
mq-3 alcohol ethanol sensor breath gas detector ethanol detection for arduino, US $5.87 – Picture 0

Mq-3 Alcohol Ethanol Sensor Breath Gas Detector Ethanol Detection For Arduino

US $5.87

  • Shanghai, China
  • Jun 9th
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The sensor has both analog and TTL level outputs, with the TTL output providing a low-level signal that can be connected directly to a microcontroller. Contact us through eBay messaging or email if you have any questions. The MQ-3 Alcohol Ethanol Sensor Breath Gas Detector is ideal for detecting ethanol vapor and has a high sensitivity and selectivity for this gas. Payment is required within 7 days of purchase and can only be made via PayPal. Our team is committed to providing high-quality products at reasonable prices and ensuring simple transactions. It features a main LM393 chip and operates on DC 3-5V. This sensor is reliable and has a long service life, with rapid response and recovery characteristics. The alcohol detection range is between 10 and 1000ppm. The analog output voltage increases with higher concentration levels of ethanol vapor. Its compact size of 32mm*22mm*22mm makes it ideal for detecting ethanol vapor in a variety of settings, including on-site inspections for non-drinking workers and motor vehicle drivers.
Condition:
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...
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