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Dräger Short Term Detection Tubes - Methyl Bromide 0.5/a (Pack of 10)

Dräger Short Term Detection Tubes - Methyl Bromide 0.5/a (Pack of 10)

  • £103.48

Dräger Tubes For Short Term Measurements: Methyl Bromide 0.5/a

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 (Methyl Bromide 0.5/a).

The tubes come in a pack of 10 tubes and have a shelf life of 2 years.

Application Range:

Standard Measuring Range: 5 to 30 / 0.5 to 5 ppm
Number of Strokes n: 2
Time for Measurement: approx. 2 min / approx. 5 min
Standard Deviation: ± 15 to 20 %
Colour Change: white to blue green

Ambient Operating Conditions:

Temperature: 2 to 40 °C
Absolute Humidity max. 20 mg H2O / L

Reaction Principle:

a) CH3Br + H2S2O7 ~> HBr b1) HBr + CrVI ~> Br2 b) Br2 + o-tolidine ~> blue green reaction product

Cross Sensitivity:

Vinyl chloride: 2 ppm no reading. Carbon tetrachloride: 2 ppm no reading Perchloroethylene and Trichloroethylene: 5 ppm changes the indicating layer to a light yellow. 1.2-dichloroethylene: 20 ppm result in a reading of approx. 3 ppm. 1.1-dichloroethylene: up to 2 ppm the sensitivity is the same as with methyl bromide.

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