Temperature sensor and extensometer

Details Temperature sensor and extensometer Temperature sensor and extensometer

2005-11-10

2009-08-18

Verbitsky, Gail (Department: 2855)

Thermal measuring and testing

Temperature measurement

By a vibratory effect

C374S141000, C374S117000, C374S045000, C374S055000, C374S006000, C702S130000, C702S159000, C367S127000, C367S129000, C367S099000, C073S001810, C073S001820, C073S628000, C073S597000, C073S632000

Reexamination Certificate

active

07575371

ABSTRACT:
A thermometer and extensometer for cables and conductors is described. The travel time of one or more acoustic signals along a conductor is used to determine the temperature along the conductor and the length of the conductor. The acoustic frequency is selected to minimize temporal dispersion of the propagating acoustic energy. The technique can be used to measure the temperature and sag of an overhead power line, the temperature of the windings in a transformer, or the temperature of the central conductor in a coaxial power cable.

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