Gastec Dosi-Tubes
The passive Dosi-tube shows a colour stain to determine how much hazardous gas a worker has been in contact with over the Time Weighted Average (TWA). Dosi-tubes are clipped into a dosi-tube holder (bought separately) which attaches to an item of clothing and worn over a working day or shift.
- Simple-to-read – No chart or lab analysis required.
- Next Day Delivery – Order before 2pm for next day delivery*.
- Low-cost method – Low upfront cost, no calibration, and no lab testing cost.
Showing 1–16 of 24 results
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GAS91D Formaldehyde Passive Dosi-Tubes 0.1 – 20ppm
£41.50ex. VAT£49.80inc. VAT -
GAS122DL Toluene Passive Dosi-Tube 2 – 500ppm
£41.50ex. VAT£49.80inc. VAT -
GAS112D Ethanol Passive Dosi-Tubes 100 – 25000ppm
£41.50ex. VAT£49.80inc. VAT -
GAS12D Hydrogen Cyanide Passive Dosi-Tube 1 – 200ppm
£41.50ex. VAT£49.80inc. VAT -
GAS132D Trichloroethylene Passive Dosi-Tube 3 – 300ppm
£41.50ex. VAT£49.80inc. VAT -
GAS133D Tetrachloroethylene Passive Dosi-Tube 3 – 150ppm
£41.50ex. VAT£49.80inc. VAT -
GAS14D Hydrogen Chloride Passive Dosi-Tube 1 – 100ppm
£41.50ex. VAT£49.80inc. VAT -
GAS151D Acetone Passive Dosi-Tube 5 – 1500ppm
£41.50ex. VAT£49.80inc. VAT -
GAS152D Methyl Ethyl Ketone Passive Dosi-Tube 2 – 600ppm
£41.50ex. VAT£49.80inc. VAT -
GAS174D Butadiene-1,3 Passive Dosi-Tube 1.3 – 200ppm
£41.50ex. VAT£49.80inc. VAT -
GAS17D Hydrogen Fluoride Passive Dosi-Tube 1 – 100ppm
£41.50ex. VAT£49.80inc. VAT -
GAS1D Carbon Monoxide Passive Dosi-Tube 1.04 – 2000ppm
£41.50ex. VAT£49.80inc. VAT -
GAS1DL Carbon Monoxide Passive Dosi-Tube 0.4 – 400ppm
£41.50ex. VAT£49.80inc. VAT -
GAS2D Carbon Dioxide Passive Dosi-Tube 1.3 – 200ppm
£41.50ex. VAT£49.80inc. VAT -
GAS32D Hydrogen Peroxide Passive Dosi-Tube 0.5 – 40ppm
£41.50ex. VAT£49.80inc. VAT -
GAS3D Ammonia Passive Dosi-Tube 2.5 – 1000ppm
£41.50ex. VAT£49.80inc. VAT
