GAS151D Acetone Passive Dosi-Tube 5 - 1500ppm


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Excl. VAT: £36.75 Incl. VAT: £44.10
Excl. VAT: £36.75 Incl. VAT: £44.10

Product Description


GAS151D Acetone Gastec Passive Sampling Dosi Tubes (Time Weighted Average Detector Tubes)

The Dosi-Tube System allows an operator to evaluate the level of gas a worker is exposed to over a time period such as a working shift.

The Dosi-Tube is easily clipped into the Dosi-tube holder (GAS710) which is worn on a garment of clothing.



Measuring Range

5 to 1500 ppm

Sampling Hours

1 to 10 hours

Detecting Limit

5ppm (10 hours)

Colour Change

Yellow          Reddish Brown

Reaction Principle

Acetone reacts with Hydroxylamine Phosphate to liberate Phosphorus Acid, which discolours pH indicator to reddish brown.

3CH3COCH3 + (NH2OH)3H3PO4         H3PO4
H3PO4 + Base         Phosphate

Coefficient of Variation

10% (for 50 to 1500 ppm∙hr)

Shelf Life

Up to 2 years from point of manufacture

Corrections for
temperature & humidity

Temperature correction is necessary

Store the tubes in the refrigerator to keep at 10oC (50oF) or below.


Possible coexisting substances and their interferences





Change colour by itself

Aldehydes, Ketones


Plus error

Discolours reddish brown

Acid gases


Plus error

Discolours reddish brown
(Unclear demarcation)

Other substance measurable with this detector tube 



Name of Substance

Correction Factor

Measuring Range

Methyl Ethyl Ketone


6.5 to 1950 ppm

Methyl Isobutyl Ketone


11.5 to 3450 ppm



4 to 1200 ppm


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Product Downloads

View FileGAS151D Acetone Datasheet
View FileGastec Detector Tube List 25th Edition & Manual
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