LEVEL_SENSOR_FOR_CRYOGENIC_FLUIDS

Published:2009/6/25 2:43:00 Author:May | From:SeekIC

The sensor circuit is adaptable to different liquids and sensors. The constant-current source drives current through the sensing probe and a fixed resistor. The voltage-comparator circuits interpret the voltage drops to tell whether the probe is immersed in liquid and whether there is current in the probe.



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