Dräger Tubes For Short Term Measurements: Hydrogen Sulfide 5/b
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 5/b).
The tubes come in a pack of 10 tubes and have a shelf life of 2 years.
|Standard Measuring Range:||5 to 60 ppm|
|Number of Strokes n:||10|
|Time for Measurement:||approx. 4 min|
|Standard Deviation:||± 5 to 10 %|
|Colour Change:||white to brown|
Ambient Operating Conditions:
|Temperature:||0 to 60 °C|
|Absolute Humidity||< 40 mg H2O / L|
H2S + Pb2+ ~> PbS + 2 H+
Sulfur dioxide can cause plus errors of up to 50%. Sulfur dioxide alone does not discolor the indicating layer.
Extension of the Measuring Range
Using n = 1, multiply the reading by 10; the measuring range will be 50 to 600 ppm..
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