Active Environmental Solutions
AIR SAMPLING SKC

colour diffusion tubes

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Overview

GASTEC Color Dosimeter Tubes provide reliable, on-the-spot Time-Weighted Average (TWA) monitoring of worker exposure to gases and vapors. Simple-to-use and easy-to-read, snap off the pre-scored end of the tube and insert it into a tube holder. Place the tube on a worker near the breathing zone, except when measuring carbon dioxide (see second Tech Tip below). No pump, chart, or analysis is needed. Read the printed calibrated scale on the tube for exposure measurement in parts-per-million-hours (ppm-hours). Divide the reading by hours sampled for ppm levels.

 

Tech Tip:

  • Use dosimeter tubes for measuring workplace exposures from 1 to10 hours. To determine TWA exposure levels, simply divide the color stain indication by the number of hours in the sampling period.
     
  • To avoid overstating carbon dioxide levels because of exhalation, place passive color tubes for carbon dioxide at the waist instead of the normal position in the breathing zone.
Features
  • Easy to Use

On-the-spot readings with no interpretation, long calculations, charts, or pumps

  • Sampling flexibility

Perform TEL, TWA, or long term sampling up to 24 hours

  • Economical
  • Accurate and reliable

Exceed NIOSH and OSHA minimum performance criteria for TWA measurements with dosimeter tubes

  • Small and lightweight tube holder

Conveniently clips to a worker's collar or shirt for secure sampling.
 

Specifications

 

Chemical hazard Measuring range
(ppm-hrs)
No. Test
Cat. No.
Acetaldehyde * 0.1 - 20 10
810-91D
Acetaldehyde * 1.2 - 360 10
810-152D
Acetaldehyde * 4 - 1200 10
810-151D
Acetic acid 0.5 -100 10
810-81D
Acetic anhydride 0.45 - 90 10
810-81D
Acetone* 5 - 1500 10
810-151D
Acetone * 1.4 - 420 10
810-152D
Acetone* 5.0 - 1500 10
810-151D
Ammonia 0.1 -10 10
810-3DL
Ammonia 2.5 - 1000 10
810-3D
Benzene 2.4 - 600 10
810-122DL
1,3-Butadiene 1.3 - 200 10
810-174D
Carbon dioxide 0.02 to 12 %-hr 10
810-2D
Carbon monoxide 1.04 -2000 10
810-1D
Carbon monoxide* 0.4 - 400 10
810-1DL
Chlorine 0.08 - 100 10
810-8D
Chlorine * 2.4 - 240 10
810-132D
Cumene 3.4 - 850 10
810-122DL
1,2 Dichloroethylene 3.9 - 600 10
810-174D
1,2 Dichloroethylene * 6 - 600 10
810-132D
Dimethyl amine 1.9 - 750 10
810-3D
N,N-Dimethylethyl amine 4 - 1600 10
810-3D
Ethyl alcohol 100 - 25000 10
810-112D
Ethyl benzene 2.8 - 700 10
810-122DL
Ethylene 1.56 - 240 10
810-174D
Ethylene dichloride 3.9 - 600 10
810-174D
Formaldehyde* 0.1 - 20 10
810-91D
Formic acid 0.55 - 110 10
810-81D
Furfural * 0.2 - 40 10
810-91D
Hydrazine 0.05 - 650 10
810-3D
Hydrogen chloride 1 -100 10
810-14D
Hydrogen chloride * 1.8 - 180 10
810- 132D
Hydrogen cyanide 1 - 200 10
810-12D
Hydrogen fluoride 1 -100 10
810-17D
Hydrogen peroxide 0.5 - 40 10
810-32D
Hydrogen sulfide 0.2 - 200 10
810-4D
Isoprene 2.6 - 400 10
810-174D
Methyl amine 0.19 - 19 10
810-3DL
Methyl ethyl ketone * 6.5 - 1950 10
810-151D
Methyl ethyl ketone* 2 - 600 10
810-152D
Methyl ethyl ketone * 0.125 - 25 10
810-91D
Methyl isobutyl ketone * 4 - 1200 10
810-152D
Methyl isobutyl ketone * 11.5 - 3450 10
810-151D
Nitric acid 0.32 - 32 10
810-17D
Nitric acid 0.8 - 80 10
810-14D
Nitrogen dioxide* 0.01 - 3 10
810-9DL
Nitrogen dioxide* 0.1 - 30 10
810-9D
Sulfur dioxide 0.2 -100 10
810-5D
Sulfur dioxide 10 - 600 10
810-5DH
Tetrachloroethylene* 3 - 150 10
810-133D
Toluene 2 - 500 10
810-122DL
Trichloroethylene* 3 - 300 10
810-132D
Triethylamine 5.3 - 2100 10
810-3D
Trimethylamine 0.2.3 - 23 10
810-3DL
Vinyl chloride 1.56 - 240 10
810-174D
Vinylidene chloride * 6 - 600 10
810-132D
Xylene 3.4 - 850 10
810-122DL
Dosi Tube Holder 3
810-710

 

Secondary application for tube; requires correction factor. See operating instructions for details.
* Store tubes at 40-50 F (5 to10 C)
Applications
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