Indicator: 6 to 24%
Measuring Range:
+ 3 to 6%, Number of Pump Strokes 1, 1 minute
+ 6 to 24%, Number of Pump Strokes 1/2, 30 seconds
Colour Change: Black → White
Reaction Principle: O2 + 4TiCl3 + 6H2O → 4TiO2 + 12HCl
Coefficient of Variation: 5% (for 6 to 24 %)
Nr. of tests: 5
Pump: GV-100S/110S
Catalog
Manual
Performance
| Measuring Range |
|
| Number of Pump Strokes |
|
| Correction Factor |
|
| Sampling Time |
|
| Detecting Limit |
2% (n=1) |
| Colour Change |
Black → White |
| Reaction Principle |
O2 + 4TiCl3 + 6H2O → 4TiO2 + 12HCl |
| Coefficient of Variation |
5% (for 6 to 24 %) |
| Shelf Life |
3 Years |
| Corrections for temperature & humidity |
Unnecessary |
| Store the tubes at cool and dark place. |
Possible coexisting substances and their interferences
(NOTE)
| Substance |
Concentration |
Interference |
Change colour by itself to |
| Carbon monoxide |
|
No |
No |
| Carbon dioxide |
40% |
+ |
No |
Note:
If more than 40% carbon dioxide is coexisted, the tube reading will be 1% higher than the true concentration. (At 21% oxygen concentration tube 31B indicates 22%.) |
