Method and device for liquid transfer with an analysis apparatus
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United States of America Patent
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Apr 22, 2003
Grant Date -
N/A
app pub date -
Apr 27, 2000
filing date -
Apr 28, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention concerns a liquid transfer device for an analysis apparatus with a liquid transfer cannula (5) and a capacitive liquid level detector to detect the immersion of the liquid transfer cannula (5) in an analysis liquid contained in a vessel. To reliably check if the liquid transfer cannula (5) is submerged in the analysis liquid or immersed for example in foam it is proposed additionally that resistance is measured by a measurement section (16) in the liquid transfer cannula (5).
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