Dräger Short Term Detection Tubes - Phosphine 0.1/c (Pack of 10)8103711
Dräger Tubes For Short Term Measurements: Phosphine 0.1/c
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 0.1/c).
The tubes come in a pack of 10 tubes and have a shelf life of 2 years.
|Standard Measuring Range:||0.5 to 3 ppm / 0.1 to 1.0 ppm|
|Number of Strokes n:||1|
|Time for Measurement:||approx. 1 min / approx. 2.5 min|
|Standard Deviation:||± 10 to 15 %|
|Colour Change:||yellow to red|
Ambient Operating Conditions:
|Temperature:||2 to 40 °C|
|Absolute Humidity||< 40 mg H2O / L|
HgCI2 + PH3 ~> Hg-phosphide + HCI HCI + pH-Indicator ~> red reaction product
A maximum of 6 ppm sulphur dioxide or 15 ppm hydrogen chloride have no influence on the reasing. Higher concentration result in plus errors. Ammonia (>100 ppm) result in minus errors. Hyrogen sulphide and Arsine are indicated with different sensitivity. 30 ppm hydrocyanic acid does not affect..
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