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Measurement of metallurgical properties in ferromagnetic test parts
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Non-contact sensor with particular utility for measurement of road profile
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Measuring friction characteristics of vehicle travel surfaces
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Fully automatic penetration hardness tester
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Method and apparatus for measuring conductivity using eddy currents with temperature compensation feature
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Non-contact sensor, system and method with particular utility for measurement of road profile
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Penetration hardness tester with digital readout
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Method and apparatus for testing conductivity using eddy currents
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Phase detection and comparison apparatus for determining the phase derivative with respect to frequency of an eddy current test signal
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Solution conductivity measuring and controlling apparatus
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Eddy current apparatus for testing the hardness of a ferro-magnetic material
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