12 years instrument development manufacturer.

  • Product Details

Shenzhen Wanyi Technology Co., Ltd. comes here today with the great news that we have successfully developed Negative oxygen ion detector, radiation detector, nuclear radiation sensor probe, online water quality monitoring system, water quality monitoring sensor, gas detector, outdoor air quality monitoring system.It is a kind of new product made by state-of-the-art technologies. Technology is usually adopted for the design and manufacturing of the product.With regard to its serviceability and practicality,modbus-rtu output Plasma generator system integrated positive and negative ion sensor can be commonly seen in the field(s) of Other Test Instruments. Shenzhen Wanyi Technology Co., Ltd. adhere to the corporate philosophy of 'people orientation' and always advocate honesty, innovation, and fairness. We hope to occupy an important position in the industry and become one of the most leading brands in the future.

Warranty:1 yearCustomized support:OEM, ODM, OBM
Place of Origin:ShenzhenBrand Name:ONETEST
Measuring principle:Coaxial cylinder capacitiveMeasurement type:Positive ions, negative ions
Measuring range:0-2 million pcs/cm³Resolution:1 piece/cm³
Zero adjustment:Manual and auto zero modesampling time:10 times/sec
Data output:RS232weight:2.5kg (not including mounting bracket)
size:Length 19.6*Width 16.6*Thickness 6.8 (CM)power supply:AC220V@DC12V

Product Description


    The monitoring data is transmitted to the IoT cloud platform through GPRS and other methods. The cloud platform can perform data analysis, data download and other functions, as well as send data to the outdoor display. It has RS232 output and can open data protocols for self-connection.

Measuring principle:Coaxial cylinder capacitive typeTypes of measuring:Positive ions, negative ions
Measuring range:0-2 million pcs/cm³ Resolution: 1 piece/cm³
 mobility: Smaller particle size ions 0.4cm²/V.sec (customizable) Zero adjustment: Manual and auto zero mode
 sampling time: 10 times/sec Data output: RS232
 working environment: -20-60℃ 5-95%RH (no condensation) weight: 2.5kg (not including mounting bracket)
size:Length 19.6*Width 16.6*Thickness 6.8 (CM) power supply: AC220V@DC12V


Packaging & Shipping


Our Services

  * Standardized workshop and calibration process
* Professional quality inspection of 4-12 employees
* Fast delivery, free technical assistance
* Warranty 1 year



What price can I get?

 We usually quote within 12 hours after receiving your inquiry. If you are very anxious to get the price, please let us know in your email so that we can contact and communicate in time.


 How can I get samples to check the quality of your products?

 fter confirming the price, you can request samples to check the quality of our products. As long as you can afford the express freight, we will provide you with samples.


What is your business scope?

 We mainly produce and sell air quality and water quality instruments, such as water quality sensors, water quality online monitoring equipment, air anion detectors, radiation detectors, gas detectors and some of our agents. Welcome to consult


What is your delivery time and warranty period?

Within 5-7 working days after payment is confirmed, customized products need to be discussed in detail, and the warranty period is one year


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Have a professional after-sales team to respond to you 24 hours a day. We are committed to producing the best quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.

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