Drager Detection Tubes - Alchohol 25/a (Pack of 10)
Drager Detection Tubes - Alchohol 25/a (Pack of 10)

Product Code - 8101631

exc VAT £66.41 inc VAT £79.69
Please note: this tube has been superseded.

There are now 3 new Tubes that will provide more precise analysis:
•n-Butanol 10/a(8103861)
•Methanol 20/a(8103801)
•i-Propanol 50/a(8103741)
Description / Features / Spec


Drager Detection Tubes - Alchohol 25/a (Pack of 10)

Please note: this tube has been superseded. 

There are now 3 new Tubes that will provide more precise analysis:

  • n-Butanol 10/a(8103861)
  • Methanol 20/a(8103801)
  • i-Propanol 50/a(8103741)

These Alcohol short-term detection tubes are for the measurement of Alcohol (25/a).  They have a measurement range of 10 to 150 ppm and detect a range of other substances.

They substances may include Acetaldehyde, Alcohols (general), i-Butanol, n-Butanol (Butyl Alcohol), Cyclohexanol, Cyclohexanone, Dimethoxyethane, Ethanol (Ethy Alcohol), Ethylene Glycol Dimethylether, 2-Ethyl-1-hexanol, Ethyl Lactate, Ethyl Vinyl Ether, Fufuryl Alcohol , Isopropanol (Isopropyl Alcohol ), Mesityl Oxide, Methanol (Methyl Alcohol) , Methylated Spirits, Methyl Vinyl Ketone, alpha-Pinene, Propan- 2-ol (Iso-propanol) and Vinyl Ethyl Ether.

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

Key Features

  • Obtain readings from hard to reach places with the tubes, pump and accessories
  • Carry out measurements on the spot
  • 10 seconds to 15 minutes is the potential time frame for readings to be taken and is dependent on the type of tube used
  • Pre-entry checks and confined space entry are two applications which can use tubes
  • Additional applications may include variations in concentration levels and also contamination of breathing areas 


Application Range  
Standard Measuring Range: 25 to 5,000 ppm Methanol
50 to 4,000 ppm i-Propanol
(Methanol scale) 100 to 5,000 ppm n-Butanol
(Methanol scale) 25 to 2,000 ppm Ethanol
Number of Strokes n: 10
Time for Measurement: approx. 5 min
Standard Deviation: ± 25 %
Color Change: brown --> brownish-black
Ambient Operating Conditions  
Temperature: 15 to 30 °C
Absolute Humidity: max. 15 mg H2O / L
Reaction Principle  
CH3OH + CrVI --> brownish-black reaction product
Cross Sensitivity
500 ppm n-octane result in an overall discoloration of the tube.
400 ppm ethylacetat = display of approx. 60 ppm methanol.
200 ppm tetrahydrofurane = display of approx. 900 ppm on i-propanol
1000 ppm acetone = display of approx. 200 ppm methanol.
400 ppm diethyl ether = display of approx. 1000 ppm methanol.

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