Draeger Tube, Phosphine 50/A 50-1000ppm, Box of 10
DRAEGER SAFETY INC.
/ Model #CH21201
Details
Draeger Tube - Phosphine 50/a
Order No. CH 21 201
| Application Range | |
| Standard Measuring Range | 50 to 1,000 ppm |
| Number of Strokes n: | 3 |
| Time for Measurement: | approx. 2 minutes |
| Standard Deviation: | ± 10 to 15% |
| Color Change: | yellow to brown black |
| Ambient Operating Conditions | |
| Temperature: | 0 to 50° C ~ 32 to 122° F |
| Absolute Humidity: | < 40 mg H2O / L |
| Reaction Principle | |
| PH3 + Au3+ → Au (colloidal) | |
| Cross Sensitivity | |
| 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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