Non-contact inductive distance measuring system with temperature

Details Non-contact inductive distance measuring system with temperature Non-contact inductive distance measuring system with temperature

1984-10-17

1990-09-11

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Magnetic

Displacement

32420716, 32420726, 324225, G01R 33025

Patent

active

049566067

ABSTRACT:
A non-contact level measurement system for monitoring distances with very high accuracy between a sensor coil and a metallic object such as a molten liquid level over either very narrow or extended distances. Means are provided for compensating for temperature and other non-linear effects including other inductive fields, environmental changes and the like. The system incorporates an L-C resonant circuit connected between the output of an oscillator and the input of an operational amplifier.

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