HT instruments PQA824 User Manual

Page 88

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PQA400 - PQA823 - PQA824

EN - 87

This screen (Fig. 147) contemporarily shows the waveforms of phase 1 voltage and current,
scaled according to the Full scale (Fs), and the relevant RMS values; these values have
been saved by the instrument upon pressing the SAVE key.

Fig. 147: Voltage and current scope in single-phase system

The following keys are active on this page:

 The

F2 key (or the ZOOM V or ZOOM I item on the dislay) switches between

voltage zoom and current zoom (only if the Manual zoom mode has been
activated).

 The up (ZOOM+) or down (ZOOM-) arrow keys zoom in or out the displayed

waveforms (only if the manual zoom mode has been activated).

 The

F1 key (or the PAG item on the display) advances to the following page of

saved current values.

 The

ESC key (or the smart icon on the display) to exit the function and go back

to the “Recording analysis” page (Fig. 143).

This screen (Fig. 148) contemporarily shows the instant values of the waveforms of currents
I1, I2, I3, In scaled according to the Full scale (Fs) and the relevant RMS values; these
values have been saved by the instrument upon pressing the SAVE key.

Fig. 148: Current scope in three-phase 4-wire system

The following keys are active on this page:

 The up (ZOOM+) or down (ZOOM-) arrow keys zoom in or out the displayed

waveforms (only if the manual zoom mode has been activated).

 The

F1 key (or the PAG item on the display) advances to the following page of

saved values relative to phase 1 voltage and current.

 The

ESC key (or the smart icon on the display) to exit the function and go back

to the “Recording analysis” page (Fig. 143).

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