參考價(jià) | 面議 |
產(chǎn)品詳情
Performance |
MeasuringRange | 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 | 2 minutes per pumpstroke | ||
Detecting Limit | 0.02 % (n=2) | ||
Color Change | White → Brown | ||
Reaction Principle | HCCH + I2O5→ H2S2O7 + I2 | ||
Coefficient ofVariation | 15% (for0.1 to 0.5 %), 10% (for 0.5 to 2 %) | ||
ShelfLife | 3Years | ||
Correctionsfor temperature & humidity | Temperature correction is necessary | ||
Store the tubes inthe cool and dark place. |
Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Carbonmonoxide | 0.1% | Plus error | Produce brown stain |
Ethylene | 0.5% | Plus error | Produce brown stain |
More thanC3 HCs | - | Plus error | Produce brownstain |
Othersubstance measurable with this detector tube |
Substance | Correction Factor | Pump Strokes | Measuring Range |
Benzene | 0.3 | 4 | 0.03 to 0.6% |
Ethylene | 1.0 | 1 | 0.1 to 2% |
1,1,1-Trichloroethane | 0.6 | 1 | 0.06 to1.2% |
Calibration gasgeneration | Diffusion tubemethod |
TLV-TWA | TLV-STEL | Explosive range |
- | - | 2.5to 81% |