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Chapter 3
Setting Up Measurements
74
Figure 12 - RSS filter
IMPORTANT
Measurement Units
The Emonitor software and the Dynamix 2500 data collector support many
different measurement units. The measurement units that appear in the data
collector are text that depend on the following definitions:
• Type of measurement definition
• Units for the measurement definition
• Transducer specification used in the collection specification for the
measurement definition
The data collector collects data for english units, metric units, or decibels. It uses
the units that you select in the Emonitor software. You can select units from a
single system, for example, English g's, in/sec, or you can mix units from different
systems, for example, English g's, in/sec and Metric m/s
The Dynamix 2500 data collector loads the exact text string from the Emonitor
software. The signal detection type, for example, peak, rms and true peak is
appended to the units on the data collector.
TIP
Rockwell Automation Publication 1441-UM001B-EN-P - September 2012
Using the 0.36 Hz (21.6 CPM) low cutoff filter for integrated
measurements or the 0.18 Hz (10.8 CPM) low cutoff filter for
non-integrated measurements will always cause the Dynamix
2500 data collector to go into a long autorange mode. Only use
these filter settings when very low frequency data is required.
The measurement units cannot be changed after you collect
data for the measurement definition.
Click to use the RSS filter
2
, m/sec) in one list.
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