PSM1700 PsimetriQ user manual
16-2
The operating conditions for the component under test
may be selected manually or for some tests (such as turns
ratio) PsimetriQ will automatically try to find appropriate
conditions.
PsimetriQ can operate either in real time mode at a single
frequency where the measurements are filtered and
updated on the display; or it can sweep a range of
frequencies and present the results as a table or graphs.
Before performing a sweep, the required test must be
selected.
The ZOOM function can be used to select up to four
parameters from the display when in real time mode. It
has no function following a sweep.
Although it is most usual to use the PsimetriQ generator
when performing transformer analysis, there may be
circumstances where this is impractical, for example
measuring the turns ratio of a transformer under load. In
this case, turn off the PsimetriQ generator (OUT menu)
and the frequency reference for the analysis is measured
from channel 1. Provided that the signal is clean enough
for an accurate frequency measurement (and for DFT
analysis the frequency does need to be accurately known),
then the measurements can be made reliably.
When using an external frequency reference there can be
no sweep function.
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