While the manufacturer recommends placing the thermal desorption tube between the pump and calibrator, CASSEN Testing Labs recommends placing the sample tube ahead of the calibrator during on site sampling to avoid contaminating the tube. This videos demonstrates how the flow rate is not adversely affected when using CASSEN's recommended configuration.
![НЕ ВЫБРАСЫВАЙ диодные ЛАМПЫ это Простой способ их восстановить и использовать [Компанец ДА]](https://s2.save4k.su/pic/yXcC3NY9bCc/mqdefault.jpg)
