
DATA ACQUISITION SOFTWARE
DAC Express Release 3.5
Select Measurement Rates
Once you’ve created the channel connections, you set the sample rates in the timebase screen (not shown).
The channel measurement rate for high-speed digitizer channels can be set independently from that of the
scanning A/D channels. You can also set the length of the test and the triggering conditions before starting
the test.
Just Press “Record”
It’s as simple as that. Measurements will start and stop based on the criteria specified in the timebase setup.
But, there’s more to good data acquisition than recording. DAC Express supports many powerful data
monitoring, display and export features.
Monitor Key Channels With Online Displays
Even with computer-based instrumentation, there’s still a feeling of confidence when you can observe the key
data values and trends during the test. Multiple displays can be created on additional tabs so you can group
displays in order of importance.
All the basic types are available:
• Numericreadouts
• Meters
• Bargraphs
• Stripcharts
• Linearfrequencyspectrums
• Digitalstripchart
• XYplot
In the Data Recorder mode, a pull-
down menu controls Cal Zero and
Auto Cal to completely calibrate your
test setup from A/D to Transducer. All
displays from bar graphs to XY plots
maintain calibrated engineering units.
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