Item #: CH20001
MFG: Draeger
UOM: Box
Box Qty: 5

Natural Gas Test Detection Tubes - Qualitative

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 5 tubes
Standard Measuring RangeQualitative determination of natural gas
Number of strokes n:2
Time for Measurementapprox. 40 sec.
Standard Deviation
Color Changewhite ──>  brown green to gray violet
Temperature0 to 50°C
Absolute Humiditymax. 40 mg H2O / L
Reaction Principlea) CH4 + KMnO4 + H2S2O7 ──> CO
b) CO + I2SO5 ──> I2 + CO2
Cross SensitivityDue to the reaction principle a number
of other organic compounds such as
propane and butane are indicated as
well. Carbon monoxide is also indicated.
It is no possible to differentiate between
different compounds.