New MQ3 Alcohol Ethanol Sensor Breath Gas Ethanol Detection MQ-3 for Arduino 51 Product Details: Alcohol Detector Condition: New Size: approx. 32 x 22 x 27mm Main chip: LM393, ZYMQ-3 gas detector Working Voltage: DC 5V With signal output instructions Two-way signal output (TTL level output and analog output) TTL output effectively signal for low level(when the output low level signal lights, can directly connected microcomputer) Analog output 0 ~ 5v voltage, the higher the concentration, the higher the voltage Has a high sensitivity and good selectivity Has long service life and reliable stability Rapid response recovery features For motor vehicles and other prohibition drunken drivers homework personnel on-site testing, also used in other places of ethanol vapor detection Color is shown as pictures PLS NOTE that due to lighting effects, monitor’s brightness/ contrass settings ect, there could be some slight differences in the color tone of the pictures and the actual item!
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|Shipping Company||Shipping Cost||Estimated Delivery Time|
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|3 - 7 days|
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|Post Air Mail||Free Shipping||15 - 45 days|
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N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|
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