Hioki 9275, Инструкция по эксплуатации

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3.2 Measurement Procedure
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NOTE
・
Accurate measurements are not possible when
measuring overlapping DC components of ten and
several amperes or more.
・ Immediately after the power is turned on and open or
close sensor, depending on the condition of the
internal circuitry, the output waveform will fluctuate
up and down for approximately several ten seconds
until it stabilizes. (However, a small amount of
fluctuation will remain.)
・ Depending on the measured current value and the
frequency, however some sound may be produced by
resonation, it has no effect on measurements.
・ If a circuit carrying a large current is nearby,
measurements may be affected by external magnetic
fields.