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18.1 Product Specifications
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■ Warning functions
Bad wiring check
Pressing the CHECK key calls up the "Wiring Check" screen,
and permits checking the wiring, phase sequence, and for
reversed clamp on sensor connections.
Over-range indicator
"o.r." is displayed when the input exceeds 130% of the range.
However, minimum/maximum values are displayed until they
go out of the dynamic range.
Excessive input warning
(Out of dynamic range)
The Uov, lov marks are displayed when the peak value of the
voltage or current input waveform exceeds the range by a factor
of two (a factor of three, in the case of current).
PLL unlock
If the PLL lock is lost due to the effects of a distorted waveform
etc. PLL is displayed and measurement is executed with a fixed
clock.
■ Other functions
Display language switch
Display language can be switched between Japanese and
English.
Display hold function
Displayed values can be held by pressing the HOLD key.
Battery backup function
Backs up settings and integrated measurement/demand
measurement data.
Processing if power is lost
Backs up settings and integrated measurement/demand
measurement data if power is lost.
Key lock function
Disables all keys, except for the power switch and the CHECK
key.
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