Nitrogen Dioxide Sensor 0-1ppm

Nitrogen Dioxide Sensor 0-1 ppm

Learn more about NO2 measurement principles, specifications and performance on the nitrogen dioxide measurements page.

Sensor specifications

Sensor Code*

END / END2 / ENW / ENW2*


0-1 ppm

Sensor Type


Minimum Detection Limit

0.005 ppm

Accuracy of Factory Calibration

< ± 0.02 ppm 0-0.2 ppm
< ± 10% 0.2-1 ppm


0.001 ppm

Response Time

30 Seconds


0 to 40°C

*END and END2 sensors include an ozone filtering layer for improved performance, they are a direct replacement for the ENW / ENW2 discontinued in September 2020.