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.
|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|
a) H2 + 1??2 O2 ~> H2O b) H2O + SeO2 + H2SO4 ~> pink reaction product
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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