









Electrochemical NO2 Sensor ME4-NO2-E4
Summary:
ME4-NO2-E4 nitrogen dioxide gas sensor is constant potential electrolysis type. Oxidation-reduction reaction with nitrogen dioxide and oxygen take place respectively on the working electrode and on the reference electrode. The process releases electric charge and generates current. The current is in direct proportion to the concentration of nitrogen dioxide. So the concentration of the target gas could be got by measuring the value of current. The 4th electrode (auxiliary electrode) is used to compensate the zero current, to make it has the characteristics of strong signal level and low zero current.
Feature:
* Low consumption
* High precision
* High sensitivity
* Wide linear range
* Good anti-interference ability
* Excellent repeatability and stability
APPLICATION
The septic tank is a device for processing feces and filtering. The principle is that the solidified material is decomposed at the bottom of the pool, and the hydrated objects in the upper layer enter the pipeline and flow away, preventing the pipeline from clogging and providing solidified objects (feces and other garbage)with enough time to hydrolyze.
Industrial waste gas refers to the general term for various pollutant-containing gases discharged into the air generated during the fuel combustion and production process in the factory area of the enterprise. These gases enter the human body through the respiratory tract through different routes, some directly cause harm, and some have an accumulation effect, which will seriously endanger human health.
Outdoor Air Quality Monitoring
Outdoor air quality monitoring is a process of measuring the concentration of pollutants in the atmospheric environment, observing and analyzing their changes and their impact on the environment. Air pollution monitoring is to measure the types and concentrations of pollutants in the atmosphere, and observe their spatial distribution and changing rules.
Didn't Find Your Tarket Application?
Winsen offers tailor-made gas sensor solutions for your industry
PARAMETER
Technical Data Sheet
Technical |
nitrogen dioxide(NO2) |
Detection Range |
0~20ppm |
Max range |
50ppm |
Sensitivity |
-0.205~-0.548µA/ppm |
Resolution |
<10ppb |
Response Time(T90) |
<60s |
Bias Voltage |
33-100Ω(recommended) |
Stability(/month) |
-20%~-40% |
Output Linearity |
Linear |
Zero drift(-20℃~40℃) |
0-20ppb |
Temperature range |
-30℃~40℃ |
Humidity range |
15%~85%RH |
Pressure range |
80-120kPa |
Lifespan |
2 years(in air) |

Free Guide! Learn the Parameter Differences of Similar Sensors
Wondering how to find the most suitable one for you out of so many sensors? Download our free guide to learn the comparison table of technical parameters.
RELATED PRODUCTS
As a pioneer in gas sensor based solutions with the advanced processes, technologies and products, Winsen offers a wide range of gas sensors:
RELATED PRODUCTS
As a pioneer in gas sensor based solutions with the advanced processes, technologies and products, Winsen offers a wide range of gas sensors:
WHY CHOOSE WINSEN
Professional and Trustworthy
Brand Precipitation
Focus on Sensor Field
National Patents
International Advanced Technology
Detection Objects
More Than 300 Kinds
Production Process
Excellence Products
Provide 60+ Countries with Solutions
Serve the Global Market
Cooperate with 300+ well-known Enterprises
More Customer’s Choice
How to choose the right sensor for your project?
We have 17 sensor series, 200+ categories, and 300+ detection objects for gas detection. Such as CO, CO2, VOC, PM2.5, CH4, LPG and so on. In particular, we also have MEMS sensors. According to your industry application, gas principle, power consumption, accuracy, and range requirements, and we can select a specific model for you. You can also use the product filter below to choose a suitable product, or choose online serivce.
Here you can learn about the selection guide, common technical problems, packaging, transportation, MOQ, delivery time, etc.
Factory or Trade Company?
How long is the delivery time?
What is your warranty term?