Item #: 8101921
MFG: Draeger

Nitrous Gases Detection Tubes 50/a (50 - 2000 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 Range50 to 1,000 / 200 to 2,000 ppm
Number of strokes n:2 / 1
Time for Measurement80 sec. / 40 sec.
Standard Deviation± 10 to 15 %
Color Changewhite ──>  yellowish green
Temperature10 to 40°C
Absolute Humiditymax. 30 mg H2O / L
Reaction Principlea) NO + Cr^VI   ──> NO2
b) NO2 + aromatic amine ──> yellowish
    green reaction product
Cross SensitivityChlorine and ozone are also indicated,
but with different sensitivities.