Draeger Tube, Water Vapor 1/B 1-40 MG/L, Box of 10
DRAEGER SAFETY INC.
/ Model #8101781
Details
Draeger Tube - Water Vapor 1/b
Order No. 81 01 781
| Application Range | |
| Standard Measuring Range | 20 to 40 mg/L / 1 to 18 mg/L |
| Number of Strokes n: | 1 / 2 |
| Time for Measurement: | approx. 20 seconds / approx. 40 seconds |
| Standard Deviation: | ± 15 to 20% |
| Color Change: | yellow to turquoise-blue |
| Ambient Operating Conditions | |
| Temperature: | 0 to 50° C ~ 32 to 122° F |
| Absolute Humidity: | up to 100% r.h. |
| Condensation in the tube causes measurement errors. If high r.h. (in excess of 80%) is to be expected, the temperature of the tube should be at least 5 °C higher than ambient temperature. Given a r.h. below 80%, the temperature of the tube should be at least equal to the ambient temperature. | |
| Reaction Principle | |
| H2O + Mg(CIO4)2 → turquoise-blue reaction product | |
| Cross Sensitivity | |
| Acid gases are liable to cause plus errors. Basic gases are liable to cause minus errors. | |
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