Zero-shift evaluation of automatic strain-gage systems based on direct and reverse current method

P. Cappa, Z. Del Prete, K. G. McConnell, L. Zachary

Research output: Contribution to journalArticle

Abstract

Solid-state digital-multimeters are being used in multichannel automatic data-acquisition systems to determine strain values from strain-gage resistance evaluation rather than using conventional Wheatstone bridge. Both the direct-resistance method and the reverse current one are examined in two tests. Each one lasted for two weeks. Irrelevant differences were observed between the two methods in spite of the adopted general-purpose low-cost switch-control unit.

Original languageEnglish
Pages (from-to)293-299
Number of pages7
JournalExperimental Mechanics
Volume33
Issue number4
DOIs
Publication statusPublished - Dec 1993

ASJC Scopus subject areas

  • Mechanics of Materials
  • Computational Mechanics

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