MPI-540 ● MPI-540-PV – BRIEF USER MANUAL
5.5.5 Harmonics graph/table
After the icon has been selected the mode of harmonics display is displayed. This screen allows
you to view the harmonics of voltages and currents, angles between the current and voltage harmon-
ics, cosφ factors of these currents and THD factors. Harmonics are displayed graphically in a bar
graph (default) or in a table.
5.6 Switching the recording on/off
After correct configuration you can trigger recording by pressing the START button. Recording in-
progress is signalled by icon on the top bar and flashing of the red LED.
To stop recording, press the START button and confirm your intention to stop in the pop-up window.
Stopping the recording will be confirmed by sounds (three long and three short signals) and the col-
our of the recording icon will change into , and the red LED will stop flashing.
5.7 Recording analysis
Analysis of the recorded data is possible directly using the meter itself, without additional software.
The scope of the analysis includes:
general preview of the recording - start and end time, average values of voltages and cur-
rents,
preview the average value of voltage across the whole recording range,
preparing timelines of any recorded parameters (limited to 1100 points and 4 parameters on
a single graph) with zoom-in option and time-point marker.
preview of bar graph for harmonics (average value for the whole recording period).
It is possible to analyse records completed and saved on the memory card and on-going records.
The list of recording (entries on the symbol ) stored in the meter memory can be found on the Re-
cording analysis – recording list screen.. The list can be scrolled by moving your finger up and
down within the visible summary. Familiarise yourself with the detailed description of the manner of
recording analysis contained in the full version of the device manual on the website: www.sonel.com.
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