Electricity: measuring and testing – Magnetic – Magnetic sensor within material
Patent
1991-04-04
1994-02-01
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
Magnetic sensor within material
324229, 324238, 324242, 324339, 324346, G01B 710, G01N 2782, G01R 3312, G01V 326
Patent
active
052835200
ABSTRACT:
A method for determining the thickness of a pipe by inserting a coil into the pipe and applying a voltage to the coil and measuring the time it takes for current in the coil to magnetically saturate the pipe and determining the thickness of the pipe from the measure time.
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Martin Philip R.
Martin Philip W.
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