Item #: 8101511
MFG: Draeger

Hydrogen Detection Tubes 0.2%/a (0.2 - 2 Vol.%)

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 Range0.2 to 2.0 Vol.-%
Number of Strokes (n)1
Time for Measurementapprox. 1 min.
Standard Deviation±10 to 15 %
Colour Changegreen yellow ─> turquoise blue
Temperature20 to 40° C
Absolute Humiditymax. 50 mg H2O / L
Reaction Principlea) H2 + 1/2 O2>H2O
b) H2O + Indicator ─> turquoise blue
reaction product
Cross SensitivityNo interference by:
0.1 Vol.-% acetylene
6 Vol.-% alcohol
6 Vol.-% ammonia
0.5 Vol.-% carbon monoxide
Additional InformationThe indicating layer is heated up by
hydrogen concentrations of more than
10 Vol.-%. The air sample must not
contain additional flammable substances
whose ignition temperature is below
250°C as this will cause an explosion risk.