Draeger Tube, Sulfur Dioxide 0.5/a 0.5-25 ppm, Box of 10
DRAEGER SAFETY INC.
/ Model #6728491
Details
Draeger Tube - Sulfur Dioxide 0.5/a
Order No. 67 28 491
Application Range | |
Standard Measuring Range | 1 to 25 ppm / 0.5 to 5 ppm |
Number of Strokes n: | 10 / 20 |
Time for Measurement: | approx. 3 minutes / approx. 6 minutes |
Standard Deviation: | ± 10 to 15% |
Color Change: | grey blue to white |
Ambient Operating Conditions | |
Temperature: | 15 to 30° C ~ 59 to 86° F |
Absolute Humidity: | max. 20 mg H2O /L |
Reaction Principle | |
SO2 + I2 + 2 H2O → H2SO4 + 2 HI | |
Cross Sensitivity | |
Measurement is not possible in the presence of H2S. Nitrogen dioxide will shorten the reading. |