Item #: 6727101
MFG: Draeger

Sulfur Dioxide Detection Tubes 0.01/a (0.1 - 3 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 Range0.1 to 3 ppm
Number of strokes n:100
Time for Measurementapprox. 20 min.
Standard Deviation± 10 to 15 %
Color Changeyellow ──> orange
Temperature10 to 30 °C
Absolute Humidity3 to 15 mg H2O / L
Reaction PrincipleSO2 + Na2 [HgCl4] + Methyl red ──>
Na2[Hg(SO3)2] + 3 HCl
Cross SensitivityIt is impossible to measure sulfur dioxide
in the presence of other acidic gases.