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An improved lead compensation technique for three-wire resistance temperature detectors

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2 Author(s)
S. Pradhan ; Inst. of Radio Phys. & Electron., Calcutta Univ., India ; S. Sen

An improved lead resistance compensation technique for use with three-wire resistance temperature detectors is presented. The present practice of using the three-wire concept in an unbalanced bridge to provide signal to direct reading instruments produces nearly 1% error for a lead resistance as low as 1 Ω. In contrast, the new method limits the error to below 0.1% with much higher lead wire resistances

Published in:

IEEE Transactions on Instrumentation and Measurement  (Volume:48 ,  Issue: 5 )