GRAPHTEC GL820 - Page 60

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CHAPTER 3 Settings and Measurement
(2) DATA settings
This menu is used to specify capture-related items and calculations.
Setting Selections available
Sampling 10, 20, 50, 100, 125, 200, 250, 500 ms; 1, 2, 5, 10, 20, 30s; 1, 2, 5, 10, 20,
30 min; 1h
* Available sampling intervals vary depending on the input settings and the
number of channels to be used.
* Refer to "(2)-1 Sampling Interval" for details.
Capture destination Internal memory, USB memory
File Name * See the description of a captured data file name given below.
Ring Capture Off, On
[ON] Number of
Ring Capture
Points
1000 to 2000000 (A warning message will appear if you set a value larger
than the remaining disk space.)
External Sampling Off, On
AC Line Filter Off, On
Backup Backup interval Off, 1, 2, 6, 12, 24 hours
Backup destination USB1, FTP
Save folder Folder name
Calc. Settings 1 Off, Average, Max, Min, Peak, RMS
Calc. Settings 2 Off, Average, Max, Min, Peak, RMS
Captured data file name
Setting Selections available
Folder (File) Capture destination : MEM, USB1
Folder : Text input (if the naming method is Auto)
File :Textinput(ifthenamingmethodisArbitraryorSequentialnumber)
Name Type Auto,Arbitrary,Sequentialnumber
File Type Binary (GBD), Text (CSV)
(2)-1 Sampling interval
Sets the sampling interval for data capture.
The table below shows the number of measuring channels and sampling interval values that can be set.
If data fluctuate due to noise, set the sampling interval to a value which enables the digital filter function.
Number of Measuring Channels*1 Allowed Sampling Interval Sampling Interval which enables
Digital Filter
1 CH 10 ms or slower *2 50 ms or slower
2 CH 20 ms or slower *2 125 ms or slower
3 CH to 5 CH 50 ms or slower *2 250 ms or slower
6 CH to 10 CH 100 ms or slower 500 ms or slower
11CH to 20CH 200ms or slower 1s or slower
21CH to 50CH 500ms or slower 2s or slower
51CH to 100CH 1s or slower 5s or slower
101CH to 200CH 2s or slower 10s or slower
*1: "Number of Measuring Channels" is the number of channels in which input settings are NOT set to "OFF".
*2: The temperature setting is not available for sampling intervals of 10, 20, and 50 ms
Tousethedigitallterfunction,youmustsettheACpowersupplyfrequencyaccurately.Followtheinstructionsonpage3-28
to ensure that the settings are accurate.