Dissemination of the force unit in Italy: intercomparison results up to 20 kN

C. Ferrero

Abstract

In the field of calibration, Italy participates to the European framework with SIT(Servizio di Taratura in Italia), which grants accreditation through the verification of the correctness of the calibration of the measurement instruments with reference to the National Standards maintained by the Metrological Institutes INRIM and ENEA.<br /> One of the most important activities of the National Accreditation Body (NAB) is the organisation of a series of interlaboratory comparisons (ILC), at European (EA) and National level, to verify the measurements capability of the accredited laboratories.<br /> In 2004 and In January-February 2005 ILCs, for the calibration of force transducers, were organised in Italy by the SIT with the INRiM (formerly IMGC-CNR and IEN) as pilot laboratory. At the experimental ILCs participated four accredited Calibration Laboratories. The relative deviation up to 20 kN of the calibration machines, from the INRIM standard deadweigh machines (DWM), were allways less than +/- 50 10^–6.

Keywords

load cell, transfer standard, intercomparison

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IMEKO-TC3-2007-061u.pdf

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IMEKO TC

TC3 - Measurement of Force, Mass, Torque, and Gravity

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