56 Micromate Operator Manual – 721U0201 Revision 6
channel over the entire interval length. Assuming the Micromate was sampling each channel at
1024 samples per second and the interval length was two seconds, histogram recording would
keep the largest of the 2048 samples of each channel as the peak for each interval. As each
interval is completed the peak vibration, overpressure and associated zero crossing frequencies are
saved to the file and written to the display. This will continue until the Micromate exits monitor
mode.
Sample Display for Histogram Monitoring
This record mode is used for long term recording periods such as pile driving where the detail of a
waveform event is not required. The Micromate will also save the maximum amplitude, the
maximum acceleration and maximum displacement for each channel for the entire time it was
recording the Histogram event. When printed or viewed in Blastware, this event data is
represented in a bar chart where each bar represents one interval.
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