Automatic transducer selection system for pressure measurement

Details Automatic transducer selection system for pressure measurement Automatic transducer selection system for pressure measurement

1990-06-04

1991-06-18

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Mounting and connection

73724, 73726, 73727, 73728, G01L 901, G01L 910, G01L 912

Patent

active

050241001

ABSTRACT:
An automatic transducer selection system for fluid pressure measurement functions by using two or more transducers with different ranges of accuracy and also by incorporating comparator circuitry which automatically selects the transducer reading nearer to full scale. An electronic signal or output from the comparator is preferably nested such that a continuous voltage is generated in accordance with the fluid pressure being measured, thus making the system appear to function as a single transducer with a wide range of accuracy.

REFERENCES:
patent: 3118305 (1964-01-01), Weekes
patent: 4339943 (1982-07-01), Hedrick
patent: 4375243 (1983-03-01), Doll
patent: 4445383 (1984-05-01), Binder et al.
patent: 4537079 (1985-08-01), Lee
patent: 4776219 (1988-10-01), Friedrich

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