Omega RD-MV100 Series User Manual page 33

1.4 Storage Function
Acquiring Data to the Internal Memory
Display data and event data
The measured/computed data are first acquired to the RD-MV100's internal memory as
two types of data, display data and event data. Then, the data are saved to the external
storage medium automatically or when press MEDIA key. You can select whether to
save the measured/computed data as display data, event data, or as both.
The capacity of the internal memory for acquiring display data and event data is 1.2 MB.
When the measured/computed data are saved as both display data and event data, 0.9
MB is used to save display data and 0.3 MB is used to save event data.
Display data only
Display data are used to display waveforms on the RD-MV100's screen. Display data
consists of maximum and minimum values of the measured or computed data sampled
at the scan interval within the time period corresponding to one dot on the time axis on
the screen. Display data can be likened to the conventional recording on the chart sheet
and are useful for long-term observations.
Event data are instantaneous values of the measured/computed data at specified
sampling intervals of the event data. By setting the sampling interval equal to the scan
interval, all measured or computed data sampled at the scan interval can be saved. In
addition, the event data generated when an event occurs (an alarm, for example) can
also be saved. This is useful when you wish to observe the measured/computed data in
detail.
Maximum value
Minimum value
Internal memory
Event data only
1.2MB
Display data Event data
RD-MV100
Display data and event data
1.2MB 0.9MB
Display data Event data
The time period corresponding
to one dot on the screen
Display data
Measurement data
Event data
Scan interval
Sampling inteval for event data
1
0.3MB
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