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    Dräger Short Term Detection Tubes - Trichloroethane 50/d (Pack of 5)

    Dräger Short Term Detection Tubes - Trichloroethane 50/d (Pack of 5)

    • £49.87

    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.

    Application Range:

    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

    Reaction Principle:

    a) 1,1,1-trichloroethane + IO3–/H2S2O7 ~> Cl2 b) Cl2+ o-tolidine ~> brown red reaction product

    Cross Sensitivity:

    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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