Description
Dräger Tubes For Short Term Measurements: Sulfur Dioxide 1/a
Dräger Safety offer a massive range of short-term gas detection tubes for the measurement of various gases. This particular set of tubes is for (Sulfur Dioxide 1/a).
The tubes come in a pack of 10 tubes and have a shelf life of 2 years.
Application Range:
Use in Simultaneous CO2
| Standard Measuring Range: | 0.5 to 2 ppm |
| Test Volume: | 2L |
| Flow Rate: | approx. 0.2 L / min |
| Time for Measurement: | in the Aerotest CO2: 10 min in the Multi Test (for CO2): 12 min |
| Standard Deviation: | ± 30 % |
| Colour Change: | greyblue to white |
Ambient Operating Conditions:
| Temperature: | 15 to 25 °C |
| Absolute Humidity: | 3 to 20 mg H2O / L |
| Pressure: | The tube may only be used for depressurized compressed air |
Reaction Principle:
SO2 + I2 + 2 H2O ~ Starch ~> H2SO4 + 2 HI
Cross Sensitivity:
Hydrogen sulfide in the TLV range is retained in the pre-layer and thus does not affect the indication. Nitrogen dioxide will shorten the reading.
Evaluation:
reading on the (n=10) scale x 0.2 = ppm SO2 (applies only for scale range 2.5 to 10 ppm).
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