Hioki IR4053, Инструкция по эксплуатации, Страница: 47 / 88

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Voltage Measurement
Negative Voltage Notification Function (IR4053 and
IR4055 only)
This function is only available on the IR4053 and the IR4055.
You can check whether P and N are connected in reverse while
measuring the open voltage of solar battery string.
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1
Set the rotary switch to V
while pressing .
The
[‒]
and
[V]
blinks and
[ON]
or
[OFF] is displayed.
2
Press to switch between ON and OFF.
ON
(Factory setting)
When the voltage is −1 V or lower, red and white
of the backlight blinks alternately.
OFF Disabled
If there is no operation for approx. 2 seconds after ON or OFF
is selected, the setting is confirmed, and the screen changes to
measurement screen.
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付録
索引
3
HIOKI IR4057B961-00