Dräger Tube -Phosphine 50/aCH21201
Dräger Tubes For Short Term Measurements: Phosphine 50/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 (Phosphine 50/a).
The tubes come in a pack of 10 tubes and have a shelf life of 2 years.
|Standard Measuring Range:||50 to 1,000 ppm|
|Number of Strokes n:||3|
|Time for Measurement:||approx. 2 min|
|Standard Deviation:||± 10 to 15 %|
|Colour Change:||yellow to dark brown|
Ambient Operating Conditions:
|Temperature:||0 to 50 °C|
|Absolute Humidity||< 40 mg H2O / L|
PH3 + Au3+ ~> Au (colloidal)
Arsine and antimony hydride are indicated, but with different sensitivities. Hydrogen sulfide, mercaptans, ammonia, carbon monoxide, sulfur dioxide and hydrochloric acid in the TLV range do not interfere.
Extension of the Measuring Range
Using n = 10, multiply the reading by 0.3; the range of measurement is 15 to 300 ppm..
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