Application:HVAC equipment,Air quality monitoring equipment,Ventilation system,Air purification equipment,Smart home
Feature:Gold plating technology for cavity, waterproof and anti-corrosion,High sensitivity, low power consumption


100% MONEY


Production Description:
MH-Z14 NDIR Infrared gas module is a common type, small size sensor, using non-dispersive infrared (NDIR) principle to detect the existence of CO2 in the air, with good selectivity, non-oxygen dependent and long life. Built-in temperature sensor can do temperature compensation; and it has digital output and analog voltage output. This infrared gas sensor is developed by the tight integration of mature infrared absorbing gas detection technology, Precision optical circuit design and superior circuit design.
Gold plating technology for cavity, waterproof and anti-corrosion
High sensitivity, low power consumption
Good stability, long lifespan
Temperature compensation, excellent linear output
Output modes: UART, PWM
Anti-water vapor interference, no poisoning
HVAC equipment
Air quality monitoring equipment
Ventilation system
Air purification equipment
Smart home

    Main technical parameters:

    Model No.


    Detection Gas


    Working voltage

    DC (5.0±0.1) V

    Average current

    < 60 mA(@5V power supply)

    Peak current

    150 mA(@5V power supply)

    Interface level

    3.3 V (Compatible with 5V)

    Measuring range

    0~10000ppm (max 50000ppm can be extended)

    Output signal

    UART (TTL 3.3V)


    Preheat time


    Response Time

    T90 < 90s

    Working temperature

    -10℃ ~ 50℃

    Working humidity


    Storage temperature

    -20℃ ~ 60℃


    <15 g


    >10 years

    1. WORLDWIDE SHIPPING (Except some countries and APO/FPO)

    We provide Worldwide Shipping by DHL, Fedex, Standard shipping (China Post e-Packet) and some other shipping ways on ALL ITEMS!

    2. SERVICE TRANSIT TIME is provided by the carrier.
    • Reference Delivery time (working days):
    • DHL:3-7 days
    • Fedex:3-7 days
    • China Post e-Packet : 15-35 days

    Transit times may vary, particularly during the holiday season.

    We suggest you choose Expedited Shipping(DHL or FedEx) to ensure the products reach your home fast & safety.

    3. ORDERS PROCESSED TIMELY after the payment verification.

    We do our best to process & ship all orders as soon as possible. Most orders are processed within 48 hours.


    a.We only ship to confirmed order address. Your order address MUST MATCH your shipping address.

    b.We accept DROP SHIPPING. You can leave us your customer’s address, when you place an order,then your customers can get the goods directly.


    Tracking and secure checkout are provided for all orders. https://www.17track.net/en - this tracking website can help you track the status of your package.


    Sometimes you may can't get your package within expected time, please be patient for a few more days. Because we can't control the delivery time or condition when package on shipping. Certainly, we are glad that you can contact us for help. Our goal is to make customer satisfied!

    Dear valued friends,

    If you have any questions, our Customer Service staffs will be very glad to help you. We try our best to reply to your emails ASAP, however, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. Please allow 24 business hours for us to response. And you can also call us in +86-18595618735 or email us to enquiry@winsensor.com.

    Thank you for your support, I hope everyone has a pleasant business trip in our store, and welcome you to come next!

    If you buy more quantity, please contact us.

    Buy multiple products by the "Add to cart" we will make the discount for you.