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Accuracy Table
Accuracy Table
Accuracy
We dene measurement tolerances in terms of f.s. (full scale), rdg. (reading) and dgt. (digit) values with the
following meanings:
f.s.
(maximum display
value/range)
The maximum displayable value.
This is usually the name of the currently selected range.
rdg.
(displayed value)
The value currently being measured and displayed on the measuring instrument.
dgt.
(resolution)
The smallest displayable unit on a digital measuring instrument, i.e., the input value
that causes the digital display to show a “1” as the least-signicant digit.
1
AC current 20.00 A/600.0 A (CM4371, CM4372)
Conditions of guaranteed accuracy: After zero adjustment has been performed
Zero-display range: 5 counts or less
Coupling type: AC coupling
Crest factor: For the 20.00 A range, 7.5
For the 600.0 A range (500.0 A or less), 3
For the 600.0 A range (greater than 500.0 A and less than or equal to
600.0 A), 2.5
Peak detection time width: 1 ms or more (Filter off)
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