Drager Detection Tubes - Hydrogen Sulphide + Sulphur Dioxide 0.2%/a (Pk of 10)
Drager offer these short-term gas detection tubes for the measurement of Hydrogen Sulphide (H2S) + Sulphur Dioxide (SO2). The tubes come in a pack of 10 and have a measurement range of 0.2 to 7 vol%.
The Accuro Gas Detection Pump from Draeger Safety is required to use short-term gas detection tubes. View more information on this product by clicking here.
- Hard-to-reach places can be accessed and measured using various compatible accessories
- Excellent for on-the-spot measurements
- 10 seconds to 15 minutes is the time frame for readings and is totally dependent on the tube type
- Suitable applications include pre-entry checks, confined space entry, variations in concentration levels and also contamination of breathing areas are amongst a number of potential of applications
Application Range | |
Standard Measuring Range: | 0.2 to 7 vol. % |
Number of Strokes n: | 1 + 2 desorption strokes in clean air |
Time for Measurement: | approx. 2 min |
Standard Deviation: | ± 5 to 10 % |
Color Change: | brown - bright yellow |
Ambient Operating Conditions | |
Temperature: | 0 to 40 °C |
Absolute Humidity: | max. 40 mg H2O / L |
Reaction Principle | |
H2S + I2 --- 2 HI + S2 SO2 + I2 + 2H2O --- 2 HI + H2SO4 |
|
Cross Sensitivity | |
All substances oxidized by iodine are indicated, but with different sensitivities. It is impossible to measure hydrogen sulfide and sulfur dioxide in the presence of such substances. | |
Extension of the Measuring Range | |
Using n = 10, divide the reading by 10; the measuring range will be 0.02 to 0.7 vol. %. |