參考價(jià) | 面議 |
產(chǎn)品詳情
Performance |
MeasuringRange | 5 to 100 ppm |
Number of PumpStrokes | 2 |
Correction Factor | 1 |
SamplingTime | 2 minutes per pumpstroke |
DetectingLimit | 1 ppm (n=2) |
Color Change | Yellow → Paleblue |
Reaction Principle | C6H11OH + Cr6+ + H3PO4 → Cr3+ |
Coefficient ofVariation | 15% (for 5 to 50ppm), 10% (for 50 to 250 ppm) |
ShelfLife | 2 Years |
Correctionsfor temperature & humidity | Temperature correction is necessary |
Store the tubes at cool and darkplace. |
Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Alcohols | - | Plus error | Produce similar stainby themselves. |
Aromatic hydrocarbons | - | Plus error | Produce similarstain by themselves. |
Othersubstance measurable with this detector tube |
Calibration gasgeneration | Static gas dilutionmethod |
TLV-TWA | TLV-STEL | Explosive range |
50ppm | - | 1.2 to 5.3% |