GASTEC多環(huán)芳烴(PAHs)檢測管120
簡單介紹
gastec多環(huán)芳烴(PAHs)檢測管120
多環(huán)芳烴(PAHs)檢測管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 |
Unnecessary |
|||
Store the tubes at cool and darkplace. |
TLV-TWA |
TLV-STEL |
Explosive range |
- |
- |
- |
Calibration gasgeneration |
Diffusion tubemethod |
3、 采用直接抽氣的采樣方式,檢測速度快,具有50/100ml兩檔。自動計數(shù)型采樣器防止抽氣次數(shù)(抽氣體積)誤記。