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Navigate:  Home / Gas Detectors / Gas Dosimeter Tubes
     Use these specially designed dosimeter tubes to identify and measure the concentration of potentially harmful gases and vapors in the workplace and other enclosed air spaces. 

     No pump required!  Simply snap off the pre-scored end and position the dositube in a specific location or clip it to a shirt collar or pocket using the handy Dositube Holder

     The length-of-stain color change, forming over the next several hours, can be read directly off the calibration scale printed on the side of the tube--as easy as reading a ther mometer.  Divide the reading by the hours of exposure to get a time-weighted average (TWA) gas concentration in parts-per-million (ppm).  Dosimeter tubes require no pumps, paper charts, secondary operations, or lab analyses-- save time and money!
Dosimeter Tube Features
  • High-specificity formulation insures you measure only the gas of interest.
  • Crystal clear tubes, distinct color changes, and easy-to-read calibration scale for accurate direct-reading measurements.
  • Small and light-weight--conveniently worn on workers' collar or shirt.
  • Perform STEL, TWA, or long-term sampling up to 24 hours.
  • Exceed NIOSH and OSHA minimum performance criteria for TWA measurements with detector tubes.
  • Tubes ship factory-direct to you to insure freshness and long shelf life!
Order from these popular Gastec models
Product   Description   Price
112D Ethyl Alcohol dositube, 100 - 25,000 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

122DL Toluene dositube,  2 - 500 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

12D Hydrogen Cyanide dositube, 1 - 200 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

133D Perchloroethylene dositube,  3-150 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

133D Tetrachloroethylene dositube,  3-150 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

14D Hydrogen Chloride dositube, 1 - 100 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

151D Acetone dositube,  5-1500 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

152D Methyl Ethyl Ketone dositube,  .2 - 600 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

174D Butadiene dositube, 1.3 - 200 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

17D Hydrogen Fluoride dositube, 1 - 100 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

1D Carbon Monoxide dositube, 1- 2000 ppm
Minimum order requirement = 2 boxes
$83.95

1DL Carbon Monoxide dositube, .4 - 400 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

2D Carbon Dioxide dositube, .02 - 12%v, 10/box
Minimum order requirement = 2 boxes
$83.95

32D Hydrogen Peroxide dositube, .5 - 40 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

3D Ammonia dositube, 2.5-1000 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

3DL Ammonia dositube, 0.1-10 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

4D Hydrogen Sulfide dositube, .2 - 200 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

5D Sulfur Dioxide dositube,  .2 - 100 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

5DH Sulfur Dioxide dositube,  10 - 600 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

81D Acetic Acid dositube,  .5- 100 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

8D Chlorine dositube, 1 - 100 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

91D Formaldehyde dositube, 0.1 - 20 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

9D Nitrogen Dioxide dositube,  .1 - 30 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

9DL Nitrogen Dioxide dositube,  .01 - 3.0 ppm, 10/box
Minimum order requirement = 2 boxes
$83.95

Tricholoroethylene dositube,  3-300 ppm, 10/box
$83.95

710 Dositube holder, 3-pack
Handy lapel clip
$46.95
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