(under subclass 732) Subject matter wherein the tubular pressure responsive element is deflected by the pressure to be measured to generate or modify an electric current and the value of such current is indicative of the pressure.
SEE OR SEARCH THIS CLASS, SUBCLASS:
117, and 723, for diaphragm gauges with electrical readout.
335.02, for current generating hygrometers or hygrostats.
717, 745 and 749, for Bourdon, piston or U-tube gauges with electrical readout.
753, for electric pressure gauges.
SEE OR SEARCH CLASS
310, Electrical Generator or Motor Structure, 311+, for piezoelectric devices, especially subclass 338.
374, Thermal Measuring and Testing,
188, for a thermometer with a mechanical sensor and an electrical indicator.