MI 2792 PowerQ4 Plus
Operating the instrument
34
Select between trending various parameters. By default these
are:
Total harmonic distortion for selected phase (THDU
p
)
3
rd
harmonics / interharmonics for selected phase (U
p
h
3
)
5
th
harmonics / interharmonics for selected phase (U
p
h
5
)
7
th
harmonics / interharmonics for selected phase (U
p
h
7
)
Select between single phase, neutral, all-phases and line
harmonics view
Harmonics / interharmonics components for phase L1 (U
1
h
n
)
Harmonics / interharmonics components for phase L2 (U
2
h
n
)
Harmonics / interharmonics components for phase L3 (U
3
h
n
)
Harmonics / interharmonics components for neutral channel
(U
N
h
n
)
Switch to METER view
Switch to BAR view
Switch to TREND view (available only during recording)
Return to the “MEASUREMENTS” menu screen.
Selection of harmonics / interharmonics for observing trend
Max. 3 harmonics / interharmonics can be selected. Press and hold F2 key in TREND
screen and a spreadsheet for selection will open. Note that only recorded harmonics /
interharmonics can be selected. For setting recording parameters see section 3.9
Table 3.23: Keys functions
Select or deselect harmonics / interharmonics in a
spreadsheet
Cursor keys (for moving trough a spreadsheet)
Confirms selection of harmonics / interharmonics for observing trend.
Cancels selection of harmonics / interharmonics for observing trend
without changes.
