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LEVEL_SENSOR_FOR_CRYOGENIC_FLUIDS

2014-11-09 10:51  
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LEVEL_SENSOR_FOR_CRYOGENIC_FLUIDS
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.