Capacitive liquid level detection A weak electrical potential is created between the pipetting channel and the labware carrier. When using conductive tips (black) and an ionic liquid the capacitance of the circuit is measured. From this data the software can determine the hieght of the liquid surface and take appropriate action.
Pressure liquid level detection A pressure transducer inside the air displacement channel measures the pressure inside the barrel during pipetting. The data from this sensor changes as the tip approaches the liquid surface, touches the surface and drives below. This data can be used to control pipetting in real-time. Pressure level sensing is the only way to determine the level of non-ionic liquids.
真是麻煩的東西ㄚ這樣的東西又叫作 Liquid Handling Robotics
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