Application:City atmospheric environmental monitoring , enterprise environment monitoring. Factory area unorganized emission monitoring, emergency monitoring, environment evaluation monitoring. Portable gas detector, various gas detection equipment and smart home appliance.


100% MONEY


Production Description:
ZE12A is a general-purpose and high-performance electrochemical module. It can detect the CO,SO2,NO2,O3 based on electrochemical principle, it has good selectivity and stability. A temperature sensor is built-in for temperature compensation. It has the digital output and analog voltage output at the same time which facilities the usage and calibration and shorten the development period. It is a combination of mature electrochemical detection principle and sophisticated circuit design, to meet customers' different detection needs.
High sensitivity & resolution
Low power consumption & long working life
UART, analog voltage and PWM output
Good stability and excellent anti-interference ability
City atmospheric environmental monitoring , enterprise environment monitoring. Factory area unorganized emission monitoring, emergency monitoring, environment evaluation monitoring.Portable gas detector,various gas detection equipment and smart home appliance.

Technical Parameters:

Model No.


Target Gas

CO, SO2, NO2,O3, H2S


CO(0-10ppm), SO2(0-1ppm),NO2(0-1ppm),O3(0-1ppm),H2S(0-1ppm)

  Output Data


standard voltage signal

UART Output(3V level, compatible with 5V)

Working voltage

DC 5.0±0.1V

Response time

≤120 Sec




Φ39×44 mm



Operating Environment



(no condensation)

Storage  Temp.



2 years  (in air)

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.


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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!

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