Draeger Tube, Sulfur Dioxde 1/A 1-25ppm, Box of 10
DRAEGER SAFETY INC.
/ Model #CH31701
Details
Draeger Tube - Sulfur Dioxide 1/a
Order No. CH 31 701
| Application Range | |
| Standard Measuring Range | 1 to 25 ppm |
| Number of Strokes n: | 10 |
| Time for Measurement: | approx. 3 minutes |
| Standard Deviation: | ± 10 to 15% |
| Color Change: | grey blue to white |
| Ambient Operating Conditions | |
| Temperature: | 15 to 25° C ~ 59 to 77° F |
| Absolute Humidity: | 3 to 20 mg H2O /L |
| Reaction Principle | |
| SO2 + I2 + 2 H2O → H2SO4 + 2 HI | |
| Cross Sensitivity | |
| Hydrogen sulfide in the TLV range is retained in the pre-layer and does not interfere. Nitrogen dioxide will shorten the reading. | |
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