詳情介紹：
一氧化碳氣體檢測管1M Carbon monoxide
Carbon monoxide M
CO
| Performance |
Measuring Range | 0.05 to 0.1% | 0.1 to 2.0% | 2.0 to 4.0% |
Number of PumpStrokes | 2 | 1 | 1/2 |
CorrectionFactor | 1/2 | 1 | 2 |
Sampling Time | 3 minutes per pumpstroke | ||
Detecting Limit | 0.01% (n=2) | ||
Color Change | White → Palebrown | ||
Reaction Principle | 5CO + I2O5 + H2S2O7 → I2 | ||
| Coefficient ofVariation | 10% (for0.1 to 0.5 %), 5% (for 0.5 to 2 %) | ||
| ShelfLife | 3Years | ||
| Correctionsfor temperature & humidity | Unnecessary | ||
| Store the tubes at cool and darkplace. | |||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Acetylene | 0.1% | Plus error | Produce blackishbrown stain. |
Olefins | 2/3 time | Plus error | Produce pale brownstain. |
Butane | 0.3% | Plus error | Produce pale brownfor whole layer |
Propane | 10% | Plus error | Produce pale brownfor whole layer |
Hexane | 0.1% | Plus error | Produce palebrown |
| Othersubstance measurable with this detector tube |
Substance | Correction Factor | Pump Strokes | Measuring Range |
Gasoline | 1 | 1 | 0.1 to2% |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 25 ppm | - | 12.5 to 74% |
