MQ-3 Alcohol Ethanol Sensor Module Gas Detector Sensor Module for arduino

Description:

Dual-way Signal Output: Analog output and TTL level output
High sensitivity to LPG, gas, alcohol, hydrogen and more
Fast response and recovery
Good steadiness and long service life
Great for home or factory gas leakage detection
Use for Detecting: Combustible gas such as LPG, butane, methane, alcohol, propane, hydrogen, smoke, etc
Detecting Range: 300 to 10000ppm
Working Voltage: 5V DC

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1. What is the delivery time?

Normally, 1-5 workdays after payment;

Special requirement orders, delivery time is negotiable.

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We will replace new items for you at once, and respect your final decision for wrong goods.

3.If the products don’t meet my demand after I received it,can I return it?

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You can return back to us, we will refund your full payment.