MQ-3 Alcohol Gas Detector Alcohol Ethanol Sensor Module

Description:

1. High quality double panel design, with power indicator and TTL output signal.
2. Have DO switch signal(TTL) output and AO analog signal output.
3. TTL output signal for low level effectively. (when the low output electric signal lights at ordinary times, can be directly connect single chip microcomputer or relay module)
4. Analog output voltage with concentration, the higher concentration, the higher voltage.
5. Has better sensitivity with the liquefied petroleum gas, natural gas, city gas, smoke.
6. Has long service life and reliable stability
7. Rapid response recovery features

Package Included:

1pcs*MQ-3 Alcohol Gas Detector Alcohol Ethanol Sensor Module  

Competitive Advantage:

1. Convenient & Friendly Customer Service
2. Low Prices Direct From Factory Suppliers
3. Fast Delivery Around the World.
4. High Quality With Global Standards.
5. 1 Year Factory Warranty
6. Safe Shipping Way and Payment

FAQ:

1. What is the delivery time?
Normally, 1-5 workdays after payment; Special requirement orders, delivery time is negotiable.

2.If the products can’t work after receiving it,what should I do?
We will replace new items for you at once and then we make the judgement for the issue.

3.If the products don’t meet my demand after I received it,can I return it?
Yes,no problem.You can return back to us, we will refund your full payment.

4.what is the warranty?
1-3 months to replace new items for free, 1-2 years repairing free according to different products.

5.Do you accept OEM design?
Yes,we do.We can design according to your requirement.

6.Are you a manufacturer?
Yes,we are.