GET A FREE DESIGN CONSULTATION
NEXT WORKING DAY DELIVERY when you order before 2pm
REQUEST A CREDIT ACCOUNT
GAS151D Acetone Passive Dosi-Tube 5 – 1500ppm
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
|Coefficient of Variation||10% (for 50 to 1500 ppm∙hr)|
|Shelf Life||Up to 2 years from point of manufacture|
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|
|Substance||Concentration||Interference||Change colour by itself|
|Aldehydes, Ketones||–||Plus error||Discolours reddish brown|
|Acid gases||–||Plus error||Discolours reddish brown
|Other substance measurable with this detector tube|
|Name of Substance||Correction Factor||Measuring Range|
|Methyl Ethyl Ketone||1.3||6.5 to 1950 ppm|
|Methyl Isobutyl Ketone||2.3||11.5 to 3450 ppm|
|Acetaldehyde||0.8||4 to 1200 ppm|
Talk with the Experts
Contact us - Our application specialists will identify the best product for your needs based on the information that you can provide. If you're unsure about what's important, consider booking a site survey.
Book a site survey - Our specialists consider your process, your site conditions and work with you to understand your needs. It is the most effective means of ensuring your system is completely fit for purpose.