Calibration
Focus II
System Guide
40
Two panes display the time capture trace and the power spectrum for
each channel. This display allows you to simultaneously view the time
domain and frequency domain signals captured by the input channels.
This provides a visual comparison of channel levels and is helpful in
diagnosing problems if calibration fails.
Calibration Two Pane Display Screen
Calibration Tools
To calibrate the
Focus II
with the LDS-Dactron calibration software,
you will need the following items for:
(1)
Output Module Calibration
a.
1 BNC cable.
b.
Voltmeter BNC adapter cable.
c.
Voltmeter with a valid calibration certificate. The
accuracy of the voltmeter should be 0.25% or better in
order to ensure that the LDS-Dactron system is
calibrated to an accuracy of
±
1% (~
±
0.1dB).
Generally, the accuracy of the calibration meter
should be four times higher than the system being
calibrated.
Summary of Contents for Dactron FOCUS II
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