Description
Dräger Tubes For Short Term Measurements: Hydrogen Sulfide 0.2%/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 (Hydrogen Sulfide 0.2%/A).
The tubes come in a pack of 10 tubes and have a shelf life of 2 years.
Application Range:
Standard Measuring Range: | 0.2 to 7 vol. % |
Number of Strokes n: | 1 + 2 desorption strokes in clean air |
Time for Measurement: | approx. 2 min |
Standard Deviation: | ± 5 to 10 % |
Colour Change: | pale blue to black |
Ambient Operating Conditions:
Temperature: | 0 to 60 °C |
Absolute Humidity | max. 40 mg H2O / L |
Reaction Principle:
H2S + Cu2+ ~> CuS + 2 H+
Cross Sensitivity:
In the presence of sulfur dioxide, the indicating layer can change to a yellowish color, but the hydrogen sulfide measurement is not affected. Comparable concentrations of mercaptan will interfere with the reading..
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