(under subclass 108) Subject matter wherein the test signal or procedure is applied to a sensor means which produces an electrical output signal proportional to a time varying quantity.
SEE OR SEARCH THIS CLASS, SUBCLASS:
47, for flow metering having a pressure, resistive, or capacitive sensor.
52, for a fluid measurement system having a capacitive sensor.
53, for a fluid measurement system having a resistive sensor.
54, for a fluid measurement system having vibration or acoustic sensor.
91, for correction of component compatibility error in a system having interchangeable sensors or probes.
93, for calibration of a directional system by sensor. 104, for calibration or correction of a sensor or transducer.
SEE OR SEARCH CLASS
73, Measuring and Testing, appropriate subclasses, particularly
649+, for measuring and testing apparatus comprising a sensing device for sensing vibration or analysis thereof.
