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Optimized linear variable differential transformer displacement transducer for cryogenic use

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2 Author(s)
Sponagle, N.C. ; Department of Physics, Queen''s University, Kingston, Ontario, Canada K7L 3N6 ; Atherton, D.L.

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A simple procedure is given for optimizing the performance and coil dimensions of an Ellis and Walstrom type moving coil, linear variable differential transformer displacement transducer as well as a method of compensating for changes in calibration at different operating temperatures. The resulting transducer has been used successfully in liquid He and ambient magnetic fields up to 3 T but may also be used at any temperature up to 300 K without recalibration.

Published in:

Review of Scientific Instruments  (Volume:51 ,  Issue: 6 )