2 Installing the N1000A
Step 12. Calibrate the Modules
A module calibration establishes calibration factors that compensate for
imperfections in the measurement system such as variations due to ambient
temperature. Calibration is easy and quick to perform and will result in the best
instrument precision. The module calibration is recommended whenever:
n
Instrument power has been cycled.
n
A module has been removed and then reinserted.
n
A change in the temperature of the mainframe exceeds 5°C compared to the
temperature of the last vertical (amplitude) calibration (T > 5°C).
n
The time since the last calibration has exceeded 10 hours.
To perform a module calibration
1. Turn on the N1000A.
Allow the instrument, with modules installed, to warm up for a period of at
least one hour before performing a vertical calibration. This ensures that the
module reaches its equilibrium temperature.
2. Click Tools > Calibrations. The Calibrations dialog opens as shown in Figure
16.
Figure 16. Calibrations Dialog
N1000A Quick Start Guide 33
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