Ranging; Other Functions; Bargraph - AEMC 721 User Manual

5.2.1 Ranging

Auto Ranging is selected by default and selects the best range for the
digital display and for the analog bargraph.
Pushing the RANGE push button will select a fixed manual range: 60 Arms
first and 600 Vrms on the second push.
The digital display and the bargraph indicate the selected range. RANGE
is displayed at the top of the display indicating a manual range selection.
Selection is also confirmed with audible tone.
To sequence back to Auto Ranging, push and hold the RANGE push
button for approximately 3 seconds. The displayed RANGE indicator will
disappear, confirmed with an audible tone.

5.2.2 Other Functions

All others push-button functions relating to voltage may be accessed in V:
• THD (%THD, %DF, CF)
• HZ
• PEAK/SMOOTH
• MIN/MAX recording
These functions are described further in this manual (see p. 29-36).

5.2.3 Bargraph

Please note that the analog bargraph will continue to display RMS volt-
age values while other measurement functions are displayed (e.g. %THD,
%DF, CF, Hz, Min/Max, Smooth, Peak). The bargraph ranges are 60 Vrms
and 600 Vrms.
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Harmonic Meter Model 721