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Quick Details

  • Brand Name: Winsen
  • Model Number: Air Quality A2
  • Place of Origin: Henan, China (Mainland)
  • Detection: CO2, PM2.5, Formaldehyde, Temperature

Packaging & Delivery

Packaging Details Standard package for export
Delivery Time Within 7 days upon your payment

VOC monitor and controller for indoor air quality



Indoor Air quality monitor:

  • PM2.5 Range: 0~1000ug/m3(PM2.5 Precision: ≤±10%)
  • Formaldehyde Range: 0~3mg/m3(Formaldehyde Precision: ≤±5%)
  • CO2 Range: 0~5000ppm(CO2 Precision: ≤±5%)
  • Noise Range: 30~130dB(Noise Precision: ≤±5dB)
  • Illumination Range: 0~60000lux(Illumination Precision: ≤±5%)
  • Temperature Range: -40~120℃(Temperature Precision: ≤±1℃)
  • Humidity range: 0~100%RH(Humidity Precision: ≤±3%)
  • Power Supply: Optional AC110~220V 50HZ or DC5V/1A 800mAh
  • Weight: 200g

7 in one detection-PM2.5, CO2, formaldehyde, temperature, humidity, illumination, noise;
High illumination LED dot matrix display;
APP, WeChat remote monitoring, intelligent interactive control;
Record storage and review function;
“One button” to adapt to network, re-connect automatically when disconnected;
Support WIFI, infrared conversion and other means of communication.




Company Information

About us

Zhengzhou Winsen Electronics Technology Co., Ltd. is one of the professional manufacturers specialized in the R&D and mass production of gas sensors. Our company has developed various types of gas sensors to meet different clients' demands. Depending on years of research and development, we have mastered gas sensor production technology.


Factory information

Factory size

Around 30000 square meter

Number of Production lines


Number of R&D staff

Above 50 people

Number of QC staff

More than 30 people

Staff number

More than 500 people

Quality control




Main market: North America; South America; Eastern Europe; Western Europe; Asia

Total annual sales volume: 3.5 million pieces




Winsen Electronics-- the first listed company in China gas sensor market


 1. Brand Advantage


Winsen Electronics, as a professional gas sensor manufacturer and gas sensing solution supplier, is the largest and leading company in gas sensor field. Our parent company, Hanwei, is listed on Chinas Shenzhen Stock Market from 2009.

 2. Research Advantage


We, as gas sensor material engineering research center, have over 80 patents and core technology in gas sensor and related field, and more than 50 talented engineers.

3. Production Advantage


International standard production workshop, with around 500 sets of research, production, and inspection equipment.

30000pcs gas sensor production output on every 24 hour.

Annually supply over 15,000,000 pcs gas sensor and modules worldwide.

80% market share in gas sensor field in China

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China (Mainland) | Manufacturer, Trading Company
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