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IM 2013-01
可聴周波電圧計 2017
1.
2017
は，整流形計器で消費電力が小さく，使用周波数範囲は商
用周波数から可聴周波数（約 10 kHz）まで広い範囲で測定する
のに適しています。
2. 4 種測定範囲の電圧計で，正弦波の平均値指示をする整流形計
器（整流回路）を実効値で指示（目盛表示）します。
したがって波形ひずみによる誤差があります。第 3 高調波の含
有率 15％では高調波の位相角によって＋ 3.8 〜− 6％の範囲で
指示誤差がありますのでご注意ください。
AUDIO-FREQUENCY VOLTMETER Model 2017
1. Model 2017 is a rectifier type instrument that has low power
consumption and can be used to measure a wide range of current
frequencies from commercial frequencies to audio frequencies (approx.
10 kHz).
2. The
2017
voltmeter has 4 measuring ranges and designed to indicate
mean values of sine waves (received from the rectier circuit) in terms
of root-mean-square values (on an rms scale). For this reason, the
voltmeter produces errors due to distortion in waveforms. Care must be
taken since the instrument will produce errors ranging from -6 to 3.8%
in the measurements of waveforms comprising a third harmonic content
of 15%, though this depends on the harmonic's phase angle.
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