Description
Dräger-Tube Sulfur Dioxide 20/a (10)
PN: CH24201
Dräger-Tubes™ are used together with a Dräger tube pump for measurements of gases, vapors and aerosols, usually in air, and are one of the classic methods of gas analysis. This Dräger-Tube is used for the detection of sulfur dioxide and has the following standard measuring range: 20-200 ppm Measurements: 10
| Application Range | |
| Standard Measuring Range | 20 to 200 ppm |
| Number of Strokes n | 10 |
| Time for Measurement | approx. 3 min |
| Standard Deviation | ± 10 to 15% |
| Color Change | brown yellow to white |
| Ambient Operating Conditions | |
| Temperature | 0 to 40 °C |
| Absolute Humidity | < 30 mg H2O/L |
| Cross Sensitivity |
| Hydrogen sulfide is indicated, with the same sensitivity. It is impossible to measure sulfur dioxide in the presence of hydrogen sulfide. Nitrogen dioxide will shorten the reading |
| Extension of the Measuring Range |
| Using n= 1+3 desorption strokes, multiply the reading by 10; the range of measurement is 200 – 2.000 ppm. The desorption strokes are to be taken in clean air (i.e free of sulfur dioxide ) immediately following the single pump stroke. |
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