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NO₂ – General Information, NO₂ Gas Sensors & Relevant Applications

Nitrogen dioxide (NO2) is a reddish-brown, toxic, pungent chlorine-like smelling gas. Discover all the info about this gas and about the NO2 sensors from Wi.Tec-Sensorik ...

Table of Contents

General information on NO₂ / Nitrogen dioxide

Nitrogen dioxide (NO₂) is a reddish-brown, toxic, pungent chlorine-like smelling gas. The gas belongs to the group of nitrogen oxides and can be easily liquefied to N₂O₄ (dinitrogen tetraoxide) by increasing the pressure or cooling with dimerization. Nitrogen dioxide is used for the production of nitric acid. In trace amounts, nitrogen dioxide is formed from oxygen and nitrogen as the two main components of the atmosphere, both in natural processes such as lightning strikes and in technical combustion processes, e.g. in internal combustion engines.

Gas sensors from Wi.Tec-Sensorik for the precise measurement of NO₂

Overview Products and Measurement Ranges

  Measuring range (*)
  100
Vol.%
50
Vol.%
30
Vol.%
20
Vol.%
10
Vol.%
5
Vol.%
1
Vol.%
5,000
 ppm
2,000
 ppm
1,000
 ppm
500
 ppm
300
 ppm
100
 ppm
50
 ppm
10
 ppm
1
 ppm
Kombi.sens
ULTRA.sens AK100
ULTRA.sens AK550
ULTRA.sens AK100 TBH (UVRAS)
ULTRA.sens AK250
ULTRA.sens AK100 TBH
ULTRA.sens processline NOₓ / SO₂-AK50 TBH piped 
(*) Full scale value (F.S.)
For other measuring ranges please refer to our further datasheets

Product Previews

Some relevant Applications to NO₂

Customer Specific Projects
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  • Please contact us. Your measurement task is our challenge!
  • The employees of Wi.Tec-Sensorik GmbH have extensive expertise in the field of industrial gas measurement technology and sensor signal processing.
Your requirement is our challenge – You have a measuring task beyond the usual standards and are looking for a competent partner? Please contact us. Your measurement task is our …
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