(Received 15 September 1992; accepted 17 May 1993)
Published Online: 01 November 1993
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Automated data acquisition for compaterized analysis has become commonplace. Typical testing systems now have, in addition to traditional analog or digital indicators for load and strain measurement, data acquisition subsystems that provide load and strain data to a computer for later analysis. Current standards specify procedures for the verification of load and strain accuracy based upon readings from analog or digital indicators. A standard procedure must be developed for the verification of load and strain acquired data. Such a procedure must define a method for determining resolution from characteristics of the acquired data. This paper discusses the issues pertaining to resolution of measurement as it applies to accuracy verification.
Principal engineer, Instron Corporation, Canton, MA
Stock #: JTE11801J