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多环芳烃(PAHs)检测管120 Aromatic hydrocarbons,Measuring Range 0.4 to 2 ppm 2 to 100 ppm 100 to 200 ppm Number of Pump Stroke 2 to 5 1 1/2 Correction Factor,多环芳烃(PAHs)检测管价格
详情介绍:
多环芳烃(PAHs)检测管120
Aromatic hydrocarbons No.120
Aromatic hydrocarbons No.120
Performance |
MeasuringRange | 0.4 to 2 ppm | 2 to 100 ppm | 100 to 200 ppm |
|
Number of PumpStroke | 2 to 5 | 1 | 1/2 |
|
CorrectionFactor | 1/2 to 1.5 | 1 | 2 |
|
SamplingTime | 1.5 minutes per pumpstroke | |||
DetectingLimit | 0.2 ppm (n=5) | |||
ColorChange | White → Brown | |||
ReactionFormula | AromaticHydrocarbons + I2O5 + H2SO4 → I2 | |||
Coefficient ofVariation | 10% (for0.1 to 0.5 ppm), 5% (for 0.5 to 1.5 ppm) | |||
ShelfLife | 2Years | |||
Correctionsfor temperature & humidity | Unnecessary | |||
Store the tubes at cool and darkplace. |
Calibration gasgeneration | Diffusion tubemethod |
TLV-TWA | TLV-STEL | Explosive range |
- | - | - |