GASTEC多环芳烃(PAHs)检测管120 120
产品简介
GASTEC多环芳烃(PAHs)检测管120gastec多环芳烃(PAHs)检测管120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
产品详细信息
GASTEC多环芳烃(PAHs)检测管120
简单介绍
gastec多环芳烃(PAHs)检测管120
多环芳烃(PAHs)检测管120
Aromatic hydrocarbons ****20
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、 采用直接抽气的采样方式,检测速度快,具有50/100ml两档。自动计数型采样器防止抽气次数(抽气体积)误记。