Dräger Tubes For Short Term Measurements: Hydrogen Sulfide 2/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 2/b).
The tubes come in a pack of 10 tubes and have a shelf life of 2 years.
|Standard Measuring Range:||2 to 60 ppm|
|Number of Strokes n:||1|
|Time for Measurement:||approx. 30 s|
|Standard Deviation:||± 5 to 10 %|
|Colour Change:||white to pale brown|
Ambient Operating Conditions:
|Temperature:||0 to 40 °C|
|Absolute Humidity||max. 20 mg H2O / L|
H2S + Pb2+ ~> PbS + 2 H+
Hydrochloric acid, mercaptan and sulfur dioxide in the TLV range does not interfere.
Extension of the Measuring Range
Using n = 2, divide the reading by 2; the measuring range will be 1 to 30 ppm..
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