ERROTEST, AN ERROR CALCULATOR FOR ELECTRICITY METERS.

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作者：
Oppen, Hugo
Walter, Klaus
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Siemens Review | 1975年 / 42卷 / 02期
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摘要：
The modular digital error indicator M06519 has been improved and supplemented by error calculator Errotest. This determines the error for the test specimen in accordance with the exact error equation and indicates it with an accuracy of two decimal places. The testing facility is also eminently suitable for testing precision meters operating on the Ferraris principle and electronic meters. Another of its functions is to act as a preselecting pulse counter so that, in addition to register checking, it can be used to test the timing of maximum-demand meters and mechanical stop watches.
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页码：58 / 61
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