… A combination weight that can be used to make any mass is called a composite weight. Weights are inspected in accordance with the Measurement Act, and standard weights that pass the standard instrument inspection (classified from 1st to 3rd grade according to accuracy and marked (1) to (11)) are given an inspection report with an expiration date and a standard instrument inspection seal, while weights that pass the verification (classified from 1st to 2nd grade and marked (1) or (2)) are given a verification seal, and are guaranteed to be within the legal instrument error limits (tolerance; see Table 2). … *Some of the terminology explanations that mention "standard weights" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…nにより表1の補助計量単位を用いる)で,任意の質量が作れる組合せ分銅を組分銅という。分銅は計量法に基づき検査され,基準器検査に合格した基準分銅(精度に応じ1級から3級まであり(1)~(11)の表記がある)には有効期限付きの検査成績書と基準器検査証印が,検定に合格した分銅(1級と2級とがあり(1),(2)の表記がある)には検定証印がつけられ,法定の器差の限界(公差。表2参照)内にあることが保証されている。… ※「基準分銅」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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