Item #: 8101521
MFG: Draeger

Phosgene Detection Tubes 0.02/a (0.02 - 1 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 Range0.02 to 1 ppm / 0.02 to 0.5 ppm
Number of strokes n:20 / 40
Time for Measurementapprox. 6 min. / approx. 12 min.
Standard Deviation± 10 to 15 %
Color Changewhite ──> red
Temperature10 to 40 °C
Absolute Humidity3 to 15 mg H2O / L
Reaction PrincipleCOCl2 + Aromatic amine ──> red reaction product
Cross SensitivityChlorine and hydrochloric acid lead to plus errors
and, at higher concentrations, to bleaching of the
indicating layer. Concentrations of phosgene above
30 ppm will also lead to bleaching of the indicating
Additional InformationHigh concentrations of phosgene will not be