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14-5
Specifications
14
14.3 Data Storage Specifications
External storage medium :
Selectable from :
1) 3.5-inch floppy disk (2HD, 1.44 MB)
2) PCMCIA ATA flash memory card (4 to 160 MB)
3) Zip disk (100 MB)
Saving method :
Manual or automatic selectable
Manual saving :
Data saving by inserting external storage medium and
pressing MEDIA key
Automatic saving :
Display data :
Periodic saving (10 min to 31 days) to external
storage medium
Event data :
In case of trigger free...Periodic saving (3 min to 31
days) to external storage medium
In case of using trigger...Save the data when data
acquisition is finished
Sampling Interval :
Display data :
Linked with the waveform display rate
Event data :
Linked with the specified sampling interval
Sampling Interval for Event Data :
RD-MV102, RD-MV104 :
Selectable from 125, 250, 500 ms, and 1, 2, 5, 10, 30,
60, 120 s
RD-MV106, RD-MV112 :
Selectable from 1, 2, 5, 10, 30, 60 and 120 s
File types :
The following two file types can be created.
• Event data file (stores instantaneous values acquired
periodically at a specified sampling interval)
• Display data file (stores the maximum and minimum
values for each sampling interval from among measured
data acquired at scan intervals)
Files can be created in the following combinations.
(a) Event data file (only for trigger mode) + display data file
(b) Display data file only
(c) Event data file only
Data format : Binary
Data size per channel :
Display data :
Measurement data...4 bytes/datum,
computation data...8 bytes/datum
Event data :
Measurement data...2 bytes/datum,
computation data...4 bytes/datum
Trigger function :
Event data : Selectable from Free, Trigger or Rotate
Display data + Event data : Selectable from Trigger or Rotate
Sampling length :
The sampling length(the maximum data length) can be
derived from the following equation.
Sampling length = the maximum number of data points per
channel
×
sampling interval
Maximum number of data points per channel : calculated
from internal memory capacity, types of data, data size,and
number of measurment or computation channels data to be
stored
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