5Pcs MQ-3 Alcohol Sensor Ethanol Sensor LM393 Gas Detector Sensor Module UE For Sale

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5Pcs MQ-3 Alcohol Sensor Ethanol Sensor LM393 Gas Detector Sensor Module UE:
$13.99

100% Brand New and High Quality.
Shape: Same as the picture show
1. Size: 36mm x 20mm x 27mm
2. Type: MQ-3 Module
3. Main Chip: LM393、ZYMQ-3 Gas Sensor
4. Operating Voltage: DC 5V
5. With a signal output instructions.
6. Two-way signal output (analog output and TTL level output)
7. TTL output valid signal is low. (When the output signal is low when the light can be directly connected MCU)
8. Analog output 0 ~ 5V voltage, the higher the voltage the higher the concentration.
9. Ethanol vapor has a high sensitivity and good selectivity.
10. With a long service life and reliable stability
11. Rapid response to recovery characteristics

Application:
Used for motor vehicle drivers and other non-drinkers on-site testing of workers, but also for other places to detect ethanol vapor

Package included:
5Pcs

We stand behind everything that we sell and will do everything possible to assure you are satisfied.

When you receive your purchase if you are not 100% satisfied, please sent me message and we will do our best to make you happy. If you still want to return your purchase, simply ship the item(s) back to us and we will refund your original purchase price and the original shipping charge.
Buyers are responsible for the postal cost of returning the items.
We must be notified of the intent to return your item within 30 days of receiving the item.

Items returned must be in the same condition that they were received.

How to return
1,Please ask us for return address .
2,Shipping back the package .
The RMA#(Return Merchant Authorization Number = Your ID) must be clearly written on the return package ,Otherwise the package will be refused.
3,Sent us the return tracking number.
4,All returns will be inspected prior to a credit being issued.

About Item
All items sold by us are being described to the best of our abilities, as accurate as possible, and with utmost conscientiousness on our part.
However, to avoid any potential oversights, I respectfully request your assistance in helping us to make this a mutually satisfactory transaction by THOROUGHLY reviewing item description and photos, and asking all questions PRIOR TO offerDING.

Customer Satisfactory
1.We back our commitment with superb service, 100% full money back and a customer satisfaction guarantee.
2.I am here and ready to assist you with any questions or concerns you might have before or after the purchase.
3.My goal is to make sure you are a happy customer and pleasant shopping with us.

response
If you are satisfied with the purchase and our total service, your comment is very important in our business success. Please take a minute to leave us a positive response with an overall Detailed Selling Rating (DSR) of 5.
Our account setup auto response, so system gives you automatically Positive response back after your positive response left.
If you plan to give us a neutral/negative response Or open /paypal case, please write to us immediately so that we can do our best to resolve your problem.

100% Brand New and High Quality.
Shape: Same as the picture show
1. Size: 36mm x 20mm x 27mm
2. Type: MQ-3 Module
3. Main Chip: LM393、ZYMQ-3 Gas Sensor
4. Operating Voltage: DC 5V
5. With a signal output instructions.
6. Two-way signal output (analog output and TTL level output)
7. TTL output valid signal is low. (When the output signal is low when the light can be directly connected MCU)
8. Analog output 0 ~ 5V voltage, the higher the voltage the higher the concentration.
9. Ethanol vapor has a high sensitivity and good selectivity.
10. With a long service life and reliable stability
11. Rapid response to recovery characteristics

Application:
Used for motor vehicle drivers and other non-drinkers on-site testing of workers, but also for other places to detect ethanol vapor

Package included:
5Pcs

1.We only accept PayPal.
2.PayPal is the only online payment method we accept. Please make sure you have a valid/confirmed PayPal account prior offerding.
3.Payment must be made within 3 days of the sale end time. Non-Paying buyers will be reported.
4.Our account automatically open a dispute for a unpaid item, when we don\'t receive your payment after 4 days.

We stand behind everything that we sell and will do everything possible to assure you are satisfied.

When you receive your purchase if you are not 100% satisfied, please sent me message and we will do our best to make you happy. If you still want to return your purchase, simply ship the item(s) back to us and we will refund your original purchase price and the original shipping charge.
Buyers are responsible for the postal cost of returning the items.
We must be notified of the intent to return your item within 30 days of receiving the item.

Items returned must be in the same condition that they were received.

How to return
1,Please ask us for return address .
2,Shipping back the package .
The RMA#(Return Merchant Authorization Number = Your ID) must be clearly written on the return package ,Otherwise the package will be refused.
3,Sent us the return tracking number.
4,All returns will be inspected prior to a credit being issued.

About Item
All items sold by us are being described to the best of our abilities, as accurate as possible, and with utmost conscientiousness on our part.
However, to avoid any potential oversights, I respectfully request your assistance in helping us to make this a mutually satisfactory transaction by THOROUGHLY reviewing item description and photos, and asking all questions PRIOR TO offerDING.

Customer Satisfactory
1.We back our commitment with superb service, 100% full money back and a customer satisfaction guarantee.
2.I am here and ready to assist you with any questions or concerns you might have before or after the purchase.
3.My goal is to make sure you are a happy customer and pleasant shopping with us.

response
If you are satisfied with the purchase and our total service, your comment is very important in our business success. Please take a minute to leave us a positive response with an overall Detailed Selling Rating (DSR) of 5.
Our account setup auto response, so system gives you automatically Positive response back after your positive response left.
If you plan to give us a neutral/negative response Or open /paypal case, please write to us immediately so that we can do our best to resolve your problem.