INTERLABORATORY COMPARISONS PERFORMED IN TURKEY: FORCE CALIBRATION OF STATIC MATERIAL TESTING MACHINES

摘要

An interlaboratory comparison, for the calibration of static uniaxial testing machines was organized in Turkey by TUBITAK UME Force Laboratory as the reference laboratory in 2009 to 2010. 14 different calibration laboratories located in Turkey which provide force calibration for static uniaxial material testing machines have been participated to this interlaboratory comparison. Each laboratory calibrated to force of the static uniaxial material testing machine by using EN ISO 7500-1 standard. In interlaboratory comparison, it was requested to measure 3 different ranges: 100 kN in compression mode, 1 kN in tension mode and 100 N in tension mode. This study presents the main results obtained during the interlaboratory comparison. The values of measurements and the associated uncertainties were reported by each laboratory as a part of the calibration report. The degree of equivalence of each laboratory relative to comparison reference values and the figures of "En" values of the participants are presented.