Dräger Short Term Detection Tubes - Trichloroethane 50/d (Pack of 5)CH21101
Dräger Tubes For Short Term Measurements: Trichloroethane 50/d
Dräger Safety offer a massive range of short-term gas detection tubes for the measurement of various gases. This particular set of tubes is for (Trichloroethane 50/d).
The tubes come in a pack of 5 tubes and have a shelf life of 2 years.
|Standard Measuring Range:||50 to 600 ppm|
|Number of Strokes n:||2 + 3 desorption strokes in clean air|
|Time for Measurement:||approx. 1.5 min|
|Standard Deviation:||± 10 to 15 %|
|Colour Change:||grey to brown red|
Ambient Operating Conditions:
|Temperature:||15 to 40 °C|
|Absolute Humidity||5 to 15 mg H2O / L|
a) 1,1,1-trichloroethane + IO3–/H2S2O7 ~> Cl2 b) Cl2+ o-tolidine ~> brown red reaction product
Other chlorinated hydrocarbons are indicated, but with different sensitivities. In the presence of aromatic hydrocarbons the indication is too low (e.g. 200 ppm 1,1,1-trichloroethane and 200 ppm toluene, the reading amounts to 1/4 only, i.e. 50 ppm)..
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