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Dräger Short Term Detection Tubes - Polytest (Pack of 10)

Dräger Short Term Detection Tubes - Polytest (Pack of 10)

  • £40.78

Dräger Tubes For Short Term Measurements: Polytest

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 (Polytest).

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

Application Range:

Standard Measuring Range: Qualitative determination of easily oxidable substances
Number of Strokes n: 5
Time for Measurement: approx. 1.5 min
Standard Deviation: -
Colour Change: white to brown, green or violet (depending on substance)


Ambient Operating Conditions:

Temperature: 0 to 50 °C
Absolute Humidity max. 50 mg H2O / L


Reaction Principle:

CO + I2O5 ~> I2 + CO2

Cross Sensitivity:

Based on the reaction principle, many easily oxidised compounds are indicated, several examples are shown below: 2000 ppm acetone 10 ppm acetylene 50 ppm ethylene 1 ppm arsine 10 ppm octane 50 ppm benzene 500 ppm propane 100 ppm butane 5 ppm carbon monoxide 10 ppm styrene 1 ppm carbon disulfide 20 ppm perchloroethylene 2 ppm hydrogen sulfide 10 ppm toluene, Xylene Methane, ethane, hydrogen and carbon dioxide are not indicated..

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