Description
Dräger Tubes For Short Term Measurements: Perchloroethylene 2/a
Dräger Safety offer a massive range of short-term gas detection tubes for the measurement of various gases. This particular set of tubes is for (Perchloroethylene 2/a).
The tubes come in a pack of 10 tubes and have a shelf life of 2 years.
| Part no | Dräger Tube | Substance | Measurement Range |
| 8101501 | Perchloroethylene 2/a | 2-Chlorobutane | 2 to 40 ppm |
| Perchloroethylene | 2 to 300 ppm | ||
| 1,2,3-Trichloropropane | 2 to 100 ppm |
Application Range:
| Standard Measuring Range: | 20 to 300 ppm / 2 to 40 ppm |
| Number of Strokes n: | 1 |
| Time for Measurement: | approx. 30 s / approx. 3 |
| Standard Deviation: | ± 15 to 20 % |
| Colour Change: | yellow to grey blue |
Ambient Operating Conditions:
| Temperature: | 15 to 30 °C |
| Absolute Humidity | < 25 mg H2O / L |
Reaction Principle:
a) CCI2=CCI2 + MnO4 ~> CI2 b) CI2 + diphenylbenzidine ~> grey blue reaction product At higher concentrations there may be created a reddish area at the beginning of the indicating layer.
Cross Sensitivity:
Other chlorinated hydrocarbons, free halogens and hydrogen halides are also indicated. Petroleum hydrocarbon vapors result in a shortened reading once they exceed the following concentrations: 50 ppm with 5 strokes or 500 ppm with 1 stroke..
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