MQ137 Gas Sensor Module MQ-137 Ammonia Sensor Module NH3 Sensor Module

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$26.99

Ex Tax: $26.99

Stock: In Stock
Model: EB0043181
SKU: EB0043181

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Description:

Size: 32mm X22mm X30mm length * width * height

Main chip: LM393, NH3 gas sensing probe

Working voltage: DC 5V

Features:

1. It has a signal output indicator indication;

2, dual signal output (analog output and TTL level output);

3. The TTL output valid signal is low level; (when the output low level, the signal light is on, it can be connected to the IO port of the single chip)

4. The analog output increases with increasing concentration, and the higher the concentration, the higher the voltage;

5. High sensitivity and selectivity to ammonia;

6. Has a long service life and reliable stability;

7. Fast res ponse recovery features;

8. With mounting holes for easy installation;

9. The probe can be plugged and unplugged for easy testing.

Application:

Harmful gas detection device for home and environment, suitable for the detection of ammonia vapor, ammonia gas sensor test concentration range: 10 to 300ppm

Provide reference routines, circuit diagrams, and probe instructions

Package Included:

1 x MQ-137 Ammonia Sensor Module NH3 Sensor Module

MQ137-Gas-Sensor-Module-MQ-137-Ammonia-Sensor-Module-NH3-Sensor-Module-1598294

Shipping Time

After you successfully placed an order at RenhotecIC.com, you will receive a confirmation email with your invoice. Once your order is shipped, you will be emailed with the tracking information of your package. Also, you can choose your preferred shipping method during the checkout process. Kindly advise: please select DHL/FedEx if you need our product urgently.

The timeline of the whole shipping process is shown below:

The total delivery time is calculated from the time your order is successfully placed to the time received. Total delivery time is broken down into processing time and shipping time.

Processing time: The time it takes to prepare your item(s), includes preparing your items, performing quality inspections, and packaging for shipment. Normally, the processing time is 1-3 days (Only include Monday to Saturday ) after getting your order.

Shipping time: The time for your item(s) to travel from our warehouse to your destination. The shipping time depends on the shipping method you chose. Please refer to the shipping rate section for details.

Shipping Rates

You could choose the shipping method based on your preference during checkout, different shipping methods will apply different rates and shipping times. Please check the following chart for detail:

Shipping Method Shipping Rates Shipping Times
Flat Shipping (Promotion)
$10 About 5-30 Working Days to Worldwide (Only include Monday to Saturday )
Standard Express（0.5KG starting price listed）
Based On Weights About 5-15 Working Days to Worldwide (Only include Monday to Saturday )
Priority Express （0.5KG starting price listed）
Based On Weights About 3-7 Working Days to Worldwide (Only include Monday to Saturday )

In addition, the transit time depends on where you're located, the shipping method you choose, and where your package comes from. We will keep you informed of any problems here to help you get your order as soon as possible.

If you want to know more information, please contact the customer service by contact form or sales@renhotecic.com. We will settle your problem as soon as possible. Enjoy shopping!

Tags: Gas