Item #: CH31001
MFG: Draeger

Nitrous Gases Detection Tubes 2/a (2 - 150 ppm)

For short-term measurements more than 160 Draeger-Tubes are available to measure the so-called spot concentrations of specific gases. A wide range of different gases and vapours can be detected and measured, e.g.: Determining and measuring concentration peaks, Measuring personal exposure in the inhalation area, Detecting leaks in pipelines, gas installations etc., and Air analysis in sewers, shafts and confined spaces.

Contains 10 tubes
Standard Measuring Range5 to 100 / 2 to 50 ppm
Number of strokes n:5 / 10
Time for Measurementapprox. 1 min. / approx. 2 min.
Standard Deviation± 10 to 15 %
Color Changegray green ──>  blue gray
Temperature10 to 30°C
Absolute Humiditymax. 30 mg H2O / L
Reaction Principlea) NO + CO^VI  ──> NO2
b) NO2 + Diphenylbenzidine ──>
    blue gray reaction product
Cross SensitivityChlorine and ozone are indicated
with different sensitivities.