Hioki MEMORY HiLOGGER LR8450 Instruction Manual page 29

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Setting Measurement Conditions
Example setting
Record a signal that's changing quickly
(electrical signal, etc.)
Record a signal that's changing slowly
(temperature, etc.)
Record fast and slow signals at the same time
Since you can set the data refresh interval separately for each module, the instrument can be used
as follows:
• For module 1, set the data refresh interval to 2 s so that you can eliminate power supply noise
and reduce the effects of noise when performing temperature measurement using thermocouples.
• For module 2, set the data refresh interval to 10 ms so that you can record battery voltage
fluctuations.
• For module 3, set the data refresh interval to 1 ms so that you can record changes in control
signals at the maximum speed.
• Set the instrument's recording interval to 1 ms, reflecting the shortest data refresh interval.
The instrument will record data from modules 1 through 3 every 1 ms.
If the instrument's recording interval is shorter than a module's data refresh interval, the same value
will be recorded for that module's data.
Example: If the recording interval is 1 ms and the data refresh interval is 1 s, 1000 pieces of data all
For more information about the module identifier, see "Module identifiers" (p.  6 6); about the filter
of U8554 and LR8534 Strain Unit, "Measuring strain" (p.  3 6).
Data refresh interval of pulses
Pulse data will be refreshed at the data refresh intervals.
The data refresh interval of pulses will automatically be set depending on input types.
Integration
Rotational speed
• The data refresh interval setting does not affect pulse counting processes.
• Even if the data refresh interval of pulses is equal to that for the measurement module, these data
will not simultaneously be refreshed when the recording interval is shorter than the data refresh
interval.
Find Quality Products Online at:
What you want to do
of which have the same value will be recorded.
Input type
r/s or r/min (Smoothing: 1 s)
r/min (Smoothing: 2 s to 60 s)
GlobalTestSupply
www.
Data refresh interval
Shorter
Longer
Shorter for modules used to
measure fast signals
Longer for modules used to
measure slow signals
Data refresh interval
.com
Recording interval
Shorter
Longer
Shorter
1 ms
10 ms
50 ms
sales@GlobalTestSupply.com

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