Recent length and angle comparisons in Asia Pacific

Siew Leng Tan; Siok Pheng Low; Nicholas Brown; John R. Miles; Shige Iwasaki; Katuo Seta

doi:10.1117/12.445621

22 October 2001 Recent length and angle comparisons in Asia Pacific

Siew Leng Tan, Siok Pheng Low, Nicholas Brown, John R. Miles, Shige Iwasaki, Katuo Seta

Proceedings Volume 4401, Recent Developments in Traceable Dimensional Measurements; (2001) https://doi.org/10.1117/12.445621
Event: Lasers in Metrology and Art Conservation, 2001, Munich, Germany

Abstract

Gauge blocks, line scales and polygons are precision dimensional standards widely used for the dissemination of linear and angular quantities. Comparisons on these standards have been carried out among Singapore Productivity and Standards Board in Singapore, Commonwealth Scientific and Industrial Research Organization in Australia and National Metrology Institute of Japan/National Institute of Advanced Industrial Science and Technology in Japan. The standards include a set of five ceramic gauge blocks with sizes of 1 mm, 3 mm, 6 mm, 25 mm and 100 mm, a 100 mm and 200 mm glass scales, and an eight-sided 45 degrees glass polygon. The results of comparisons are described in this paper.

Citation Download Citation

Siew Leng Tan, Siok Pheng Low, Nicholas Brown, John R. Miles, Shige Iwasaki, and Katuo Seta "Recent length and angle comparisons in Asia Pacific", Proc. SPIE 4401, Recent Developments in Traceable Dimensional Measurements, (22 October 2001); https://doi.org/10.1117/12.445621

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