Draeger, Inc. - DRA 6727101 - DT Sulfur Dioxide 0.1/a (10)

Product Specific Information; Dräger Tubes - Sulphur Dioxide 0.1/a, Short Term Tubes, 10 tests per box, Draeger P/N 6727101 Standard Measuring Range : 0.1 to 3 ppm Number of Strokes (n) : 100 Time for Measurement : app. 20 min Standard Deviation : ± 10 to 15 % Colour Change : yellow -> orange Ambient Operating Conditions Temperature : 10 to 30 °C Absolute Humidity : 3 to 15 mg H2O / L Reaction Principle SO2 + Na2[HgCI4] + Methyl red -> Na2[Hg(SO3)2] + 4 HCI Cross Sensitivity It is impossible to measure sulphur dioxide in the presence ofother acidic gases.