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A Device for Quick and Reliable Measurement of Wire Tension

A method is described for measuring the tension of a wire. It is based on the well-known technique of inducing mechanical oscillations in a wire by passing an A.C. current through it while it is immersed in a magnetic field. It differs from previous methods in that it uses a short current pulse to excite harmonic oscillations in the wire and then captures and analyzes the “ringing” waveform in a personal computer. The advantage of this method is its robust ability to complete a measurement in a few seconds with a minimum of operator intervention.