Monitoring Voltage Fluctuations
19
This section describes voltage measurement using an AC transducer* to acquire
voltage fluctuation data for one week.
* The example transducer provides 0 - 10 V DC output proportional to 0 - 150 Vrms
AC input.
Monitoring Voltage Fluctuations
1
Prepare the Following Before Measuring
Connect to the mea-
surement points
Items to prepare
Model LR8431-20 Memory
HiLogger
AC Adapter (supplied)
Measu
rement (input) leads
Transducer
CF Card (Hioki option)
"Measurement Procedure" (p. 16)
Insert a CF card
Connect to CH1
Connect to
power outlet
1
2
5
4
Turn the power on
(Right side)
3
2
Configure Measurement Settings
Make recording timing settings on the Setting screen.
1
2
The default settings for the non-
framed items can be left as-is.
Change as needed.
Setting Example
(Record at one-minute intervals for seven days automatically
on the CF card)
Interval: 1min
Record time: Cont Off, 7 days
Auto Save: Waveform(realtime)
Set the recording
interval.
Set the recording
length.
Select the save method for auto-saving.
Verify that there is enough space on the CF
Card, and that it is inserted correctly.
En
able
[Deleting]
(s
et to
[On]
) to delete old files when the CF card or USB flash drive becomes full.
Otherwise, when disabled (set to
[Off]
), saving stops when the card becomes full. Also, when you
want measurements saved in multiple files at specific intervals, s
et
[Split Save]
to
[On]
or to
[Ref
Time]
and set the interval as needed.
Select
Apply
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