42 Keysight Models 6811C, 6812C, and 6813C Quick Start Guide
Measuring the Output
All measurements are based on acquiring and subsequently processing output
waveform information. When the ac source is on, it takes measurements and
updates the front panel meter continuously. The [Meter] key accesses the
measurement functions from the front panel.
The SCPI MEASure command acquires new waveform information each time it is
executed. The SCPI FETCh command does not acquire new waveform information
but extracts the desired information from previously acquired waveform data.
SCPI commands let you measure phases individually or simultaneously measure
all phases using the FETCh command.
Measurement functions
The following example illustrates the measurements that can be returned by the
front panel of the ac source when sourcing power to a typical non-resistive load
such as a power supply. The ac source output voltage is shown in the following
figure.
The [Input] key selects the meter coupling and hence, what the meter will
measure. The choices are: AC only, DC only, or AC + DC.
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