Level sensor for cryogenic fluids


Posted on Aug 8, 2012

The sensor circuit is adaptable to different liquids and sensors. The constant-current source drives current through the sensing probe and a fixed resistor


Level sensor for cryogenic fluids
Click here to download the full size of the above Circuit.

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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