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.
Use in Simultaneous CO2
|Standard Measuring Range:||0.5 to 2 ppm|
|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|
SO2 + I2 + 2 H2O ~ Starch ~> H2SO4 + 2 HI
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.
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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