Draeger, Inc. - DRA 6728051 - DT Ethylene 50/a (10)

Product Specific Information; Dräger Tubes - Ethylene 50/a 50 to 2500 ppm, Short-term Tubes 10 tests per box, By Draeger P/N 6728051 Standard Measuring Range : 50 to 2,500 ppm Number of Strokes (n) : 3 Time for Measurement : app. 4 min Standard Deviation : ± 20 to 30 % Colour Change : yellow -> blue Ambient Operating Conditions - Temperature : 15 to 40 °C, Absolute Humidity : < 30 mg H2O / L Reaction Principle - CH2=CH2 + Pd-Molybdate complex -> blue reaction product Cross Sensitivity - Organic compounds with C=C double bonds are indicated, but with different sensitivities. It is impossible to differentiate them. In the presence of CO, the indicating layer is coloured blue depending upon the CO concentration. H2S is indicated by a black colour, but with considerably lower sensitivity.