Sulfur Dioxide (SO2) Detection Tubes (0.1 to 25 ppm)
Gastec Detection Tube No. 5LC measures Sulfur Dioxide with a Range of 0.1 to 25 ppm.
Performance
| Measuring Range: |
0.1 to 0.25 ppm |
(0.25) to 10 ppm |
10 to 25 ppm |
| No. of Pump Strokes: |
4 (400 ml) |
2 (200 ml) |
1 (100 ml) |
| Correction Factor: |
0.4 |
1 |
2.5 |
| Sampling Time: |
8 min |
4 min |
2 min |
- Detecting limit: 0.02 ppm (4 pump strokes)
- Color change: Bluish purple to White
- Corrections for temperature & humidity: Temperature correction is necessary
- Relative Standard Deviation: 10 % (for 0.25 to 2 ppm), 5 % (for 2 to 10 ppm)
- Shelf life: 3 years
- Reaction principle: SO2 + I2 + H2O → H2SO4 + 2Hl
- This detector tube is suitable for measuring sulfur dioxide coexisting with nitrogen, carbon dioxide, or sulfur hexafluoride.
Possible coexisting substances and their interferences:
| Substance |
Concentration |
Interference |
Changes color by itself to |
| Hydrogen sulfide |
≧ 1/10 |
+ |
White, Unclear demarcation |
| Nitrogen dioxide |
|
- (Unclear demarcation) |
Brown (approx. 1 mm long from the inlet) |
Sulfur Dioxide (SO2) Detection Tubes (0.1 to 25 ppm)
There are no reviews yet.