Electricity: measuring and testing – Electrolyte properties – Using a ph determining device
Patent
1987-06-03
1989-05-09
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Electrolyte properties
Using a ph determining device
204406, 324446, G01N 2756
Patent
active
048292532
ABSTRACT:
A three wire amplifier circuit for use with a sensor in which the amplifier output drives the negative supply so that the negative supply becomes the circuit output and the system is capable of diagnosing the condition of the sensor.
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"Types TLC251, TLC251A, TLC251B, TLC271, TLC271A, TLC271B Programmable Low-Power LinCMOS Amplifiers" Catalog, Texas Instruments, Dallas, Tex. 75265, pp. 3-165 and 3-166.
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Eisenzopf Reinhard J.
Mueller Robert W.
Rosemount Inc.
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