Draeger, Inc. - DRA 8101551 - DR Perchlorethylene 0,1/a (10)

Product Specific Information; Dräger Tubes - Perchloroethylene 0.1/a, Short Term Tubes, 10 tests per box, Draeger P/N 8101551 Standard Measuring Range : 0.5 to 4 ppm / 0.1 to 1 ppm Number of Strokes (n) :3 /9 Time for Measurement : app. 3 min / app. 9 min Standard Deviation : ± 20 to 25 % Colour Change : light grey -> blue Ambient Operating Conditions Temperature : 15 to 30 °C Absolute Humidity : max. 30 mg H2O / L Reaction Principle a) CCI2=CCI2 + MnO4– -> CI2 b) CI2 + Diphenylbenzidine -> blue reaction product Cross Sensitivity Halogenated hydrocarbons and free halogens are indicated.Petroleum vapours reduce the perchloroethylene indication if theyexceed the following concentrations: 40 ppm at n=9 160 ppm at n=3