Patent 7249517 was granted and assigned to Dwyer Instruments on July, 2007 by the United States Patent and Trademark Office.
The invention disclosed herein is a pressure transducer utilizing a Hall effect sensor to detect the displacement of the transducer's diaphragm. The pressure transducer includes a power supply to draw current from a 4 mA to 20 mA current loop and deliver current to the Hall effect sensor at an average rate of 4 mA or less.