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

Product Code - CH28401

exc VAT £38.62 inc VAT £46.34
Description / Features / Spec


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

These Polytest gas detection tubes detect a wide range of substances including

Biphenyl Ether , Carbonization untreated gases, Coke Oven Gas, Crude Petroleum, and tar from brown coal.

Please note that these tubes have a shelf life of 2 years and come in a pack of 10.

Short-term detection tubes require the use of the Drager Accuro Gas Detection Pump.  Click here to buy this product.

Key Features

  • Reach difficult measurement areas with the tubes, pump and accessories
  • Carry out measurements on the spot
  • Measurement results may take between 10 seconds and 15 minutes depending on the type of tube used
  • Applications for use include variations in concentrations in the workplace, contamination of breathing zones, pre-entry checks and confined space entry


Application Range  
Standard Measuring Range: Qualitative determination
of easily oxidable
Number of Strokes n: 5
Time for Measurement: approx. 1.5 min
Color Change:

white --> 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.
Additional Information
If there is no reading, this does not always indicate that easily oxidizable substances are not present. In the individual case, the use of Dräger Polytest should be qualified by independent methods, particularly when combustible gases and vapors close to the LEL, or toxic substances are suspected.

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