Pressure transmitter with power cycled hall effect sensor

Details Pressure transmitter with power cycled hall effect sensor Pressure transmitter with power cycled hall effect sensor

2007-07-31

2007-07-31

Thompson, Jewel (Department: 2855)

Measuring and testing

Fluid pressure gauge

Diaphragm

Reexamination Certificate

active

11047963

ABSTRACT:
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.

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Micronas, Sensors Overview and System Solutions, Copyright 2004.
Datel, 4-20mA Current Loop Primer.
Fairchild Semiconductor, BSS84 P-Channel Enhancement Mode Field Effect Transistor, Jul. 2002.

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