Dräger Tube -Sulphur Dioxide 0.5/a

DrägerSKU: 6728491

Sale price£78.11


Dräger Tubes For Short Term Measurements: Sulfur Dioxide 0.5/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 0.5/a).

The tubes come in a pack of 10 tubes and have a shelf life of 2 years.

Application Range:

Use in MultiTest med. Int.

Standard Measuring Range: 1 to 25 ppm / 0.25 to 1 ppm
Test Volume: 1 L / 2 L
Flow Rate: 0.2 L / 0.2 L / min
Time for Measurement: 5 min / 10 min
Standard Deviation: ± 25 %
Colour Change: greyblue to white

Ambient Operating Conditions:

Temperature: 15 to 30 °C
Absolute Humidity: max. 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 is indicated as well but with different sensitivity. Nitrogen dioxide will shorten the reading.


Measuring range 1 to 25 ppm: Reading on the (n=10) scale = ppm Measuring range 0.25 to 1 ppm: Reading on the (n= 20) scale x 0.5 = ppm SO2 (applies only for scale range 0.5 to 2 ppm).

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