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Proceedings Paper

Recent length and angle comparisons in Asia Pacific
Author(s): Siew Leng Tan; Siok Pheng Low; Nicholas Brown; John R. Miles; Shige Iwasaki; Katuo Seta
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Paper 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.

Paper Details

Date Published: 22 October 2001
PDF: 11 pages
Proc. SPIE 4401, Recent Developments in Traceable Dimensional Measurements, (22 October 2001); doi: 10.1117/12.445621
Show Author Affiliations
Siew Leng Tan, Singapore Productivity and Standards Board (Singapore)
Siok Pheng Low, Singapore Productivity and Standards Board (Singapore)
Nicholas Brown, CSIRO National Measurement Lab. (Australia)
John R. Miles, CSIRO National Measurement Lab. (Australia)
Shige Iwasaki, National Institute of Advanced Industrial Science and Technology (Japan)
Katuo Seta, National Institute of Advanced Industrial Science and Technology (Japan)


Published in SPIE Proceedings Vol. 4401:
Recent Developments in Traceable Dimensional Measurements

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