Nitrogen dioxide gas sensor ES1-NO2-1000
electrochemicalcatalyticfor air quality monitoring

nitrogen dioxide gas sensor
nitrogen dioxide gas sensor
nitrogen dioxide gas sensor
nitrogen dioxide gas sensor
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Gas type
nitrogen dioxide
electrochemical, catalytic
for air quality monitoring
Other characteristics
miniature, maintenance-free, portable, no power consumption
Measuring range (ppm)

Max.: 1,000 unit

Min.: 0 unit


The EC Sense Nitrogen Dioxide ES1 Gas Sensor is a solid polymer electrochemical gas sensor featuring long lifetime and robustness. Moreover, it does not consume any power. In addition to that it has a small footprint. The NO2 Gas Sensor responds to Nitrogen Dioxide gases which are necessary to detect in many different applications. In combination with the EC Sense Smart Digital Boards, it allows easy integration without the tedious work of sensor calibration. What is the Technology Principle? Solid polymer electrochemical technology is a revolutionary innovation in the field of electrochemical detection. In essence this technology is based on the principle of electrochemical catalytic reaction. As a general rule the sensors respond to the target gases and deliver a very small current signal that is usually proportional to the gas concentration. Usually, electrochemical sensors are using either a liquid or a gel electrolyte which leads to a couple of challenges during the operation of the sensor. The EC Sense solid polymer electrochemical sensors overcome these obstacles. How does the Technology work? EC Sense’s solid polymer sensors feature a composition of three electrodes in contact with the electrolyte. A typical electrode consists of a large surface area of precious metal and other materials. The electrode, electrolyte and the surrounding air are in contact while the gas diffuses through the back of the porous membrane into the working electrode of the sensor. At this electrode, the gas is oxidized or reduced. This electrochemical reaction causes a current to flow through the external circuit.


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