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Intercomparison of force standards between NPL, NIM and SCL.

Gunn, D; Walker, K (1999) Intercomparison of force standards between NPL, NIM and SCL. NPL Report. CMAM 33

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Abstract

This report describes the NPL-piloted intercomparison of compressive force measurements between: Standards and Calibration Laboratory (SCL), Kowloon Bay, Hong Kong Special Administrative Region of the People's Republic of China; National Institute of Metrology (NIM), Beijing, People's Republic of China; and National Physical Laboratory (NPL), Teddington, United Kingdom. Forces were measured in the range from 50 kN to 3 MN during the period from 6 January 1999 to 14 March 1999. The results showed that the forces generated by force standard machines of the three laboratories agreed to better than: ±0.05 % for the hydraulic amplification force standard machines, and :i:0.006 % for the deadweight force standard machines. The agreements were all within the calculated uncertainties of measurement.

Item Type: Report/Guide (NPL Report)
NPL Report No.: CMAM 33
Subjects: Engineering Measurements
Engineering Measurements > Mass, Force, Pressure
Last Modified: 02 Feb 2018 13:18
URI: http://eprintspublications.npl.co.uk/id/eprint/1126

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