Indicator: 200 to 3000 ppm
Measuring Range:
+ 100 to 200 ppm, Number of Pump Strokes 2
+ 200 to 3000 ppm, Number of Pump Strokes 1
Sampling Time: 1.5 minute per pump stroke
Colour Change: White → Blackish brown
Reaction Principle: Hydorocarbon (C6 + C10) + I2O5 + H2S2O7 → I2
Coefficient of Variation: 10% (for 200 to 1000 ppm), 5% (for 1000 to 3000 ppm)
Nr. of tests: 10
Pump: GV-100S/110S
Catalog
Manual
Manual tube
Performance
| Measuring Range | | 100 to 200 ppm | 200 to 3000 ppm |
|
| Number of Pump Strokes | |
| Correction Factor | |
| Sampling Time | 1.5 minutes per pump stroke |
| Detecting Limit | 20 ppm (n=2) |
| Colour Change | White → Blackish brown |
| Reaction Principle | Hydorocarbon (C6 + C10) + I2O5 + H2S2O7 → I2 |
| Coefficient of Variation | 10% (for 200 to 1000 ppm), 5% (for 1000 to 3000 ppm) |
| 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 |
| Acetylene, Ethylene | 0.1% | + | Blackish brown |
| Carbon monoxide | 0.1% | + | Blackish brown |
| Other organic solvents | | + | Blackish brown |
Other substance measurable with this detector tube
| Substance | Correction Factor | No. of pump strokes | Measuring Range |
| Decane | 2.0 | 1 or 2 | 200 to 6000 ppm |
| Heptane | 0.9 | 1 or 2 | 90 to 2700 ppm |
| Hexane | 0.8 | 1 or 2 | 80 to 2400 ppm |
| Nonane | 1.3 | 1 or 2 | 130 to 3900 ppm |
| Octane | 1.0 | 1 or 2 | 1 |
