Description
Dräger Tubes For Short Term Measurements: Phosphine 25/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 25/A).
The tubes come in a pack of 10 tubes and have a shelf life of 2 years.
Application Range:
| Standard Measuring Range: | 200 to 10,000 ppm / 25 to 900 ppm |
| Number of Strokes n: | 1 |
| Time for Measurement: | approx. 1.5 min / approx. 10 min |
| Standard Deviation: | ± 10 to 15 % |
| Colour Change: | yellow to dark brown |
Ambient Operating Conditions:
| Temperature: | 0 to 40 °C |
| Absolute Humidity | < 30 mg H2O / L |
Reaction Principle:
PH3 + Au3+ ~> Au (colloidal)
Cross Sensitivity:
Arsine and antimony hydride are indicated, but with lower sensitivities. Hydrogen sulfide, ammonia, hydrochloric acid and mercaptans are retained in the pre-cleanse layer..
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