Description
Dräger Tubes For Short Term Measurements: Hydrogen 0.5%/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 (Hydrogen 0.5%/a).
The tubes come in a pack of 10 tubes and have a shelf life of 2 years.
Application Range:
| Standard Measuring Range: | 0.5 to 3.0 vol. % |
| Number of Strokes n: | 5 |
| Time for Measurement: | approx. 1 min |
| Standard Deviation: | ± 10 to 15 % |
| Colour Change: | yellow-green to pink |
Ambient Operating Conditions:
| Temperature: | 5 to 40 °C |
| Absolute Humidity | < 30 mg H2O / L |
Reaction Principle:
a) H2 + 1??2 O2 ~> H2O b) H2O + SeO2 + H2SO4 ~> pink reaction product
Cross Sensitivity:
Up to 1,000 ppm CO has no influence on the indication; higher concentrations lead to lower measurement results. Acetylene and alcohols react similarly to hydrogen..
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