The bubble extractor uses a micro-porous PTFE membrane. When a fluid containing gas bubbles flows through the extractor, the bubbles are expelled through the hydrophobic membrane that allows absolutely no aqueous liquid to leak. It is possible to get rid of bubbles in a fluid even with a small pressure difference across the membrane.
The liquid sample has to be pushed towards the bubble extractor inlet and not aspirated from the eliminator outlet to avoid cavitation issues (generating bubbles).
This bubble eliminator can be used in two modes: a passive mode, and an active mode where a vacuum line can be added. In this second mode, the vacuum outlet of a pressure generator, such as the OB1 Mk3, can be used to maximize the bubble trap efficiency.
This bubble extractor can be used with or without vacuum assistance, and a vacuum source such as the OB1 MK3+ can be connected to maximize the bubble extractor’s efficiency. This bubble eliminator is typically used in the range of 0.5 – 2.0 ml/min, but up to 60ml/min can be achieved when a vacuum line is used.
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