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 17–24 of 24 results
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GAS122DL Toluene Passive Dosi-Tube 2 – 500ppm
£38.95ex. VAT£46.74inc. VAT -
GAS5DH Sulphur Dioxide Passive Dosi-Tube 10 – 600ppm
£38.95ex. VAT£46.74inc. VAT -
GAS4D Hydrogen Sulphide Passive Dosi-Tube 0.2 – 200ppm
£38.95ex. VAT£46.74inc. VAT -
GAS12D Hydrogen Cyanide Passive Dosi-Tube 1 – 200ppm
£38.95ex. VAT£46.74inc. VAT -
GAS8D Chlorine Passive Dosi-Tube 0.08 – 100ppm
£38.95ex. VAT£46.74inc. VAT -
GAS132D Trichloroethylene Passive Dosi-Tube 3 – 300ppm
£38.95ex. VAT£46.74inc. VAT -
GAS3DL Ammonia Passive Dosi-Tube 0.1 – 10ppm
£38.95ex. VAT£46.74inc. VAT -
GAS174D Butadiene-1,3 Passive Dosi-Tube 1.3 – 200ppm
£38.95ex. VAT£46.74inc. VAT