T
HE
M
ENU
S
YSTEM
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© Voltech 2010
Power Analyzer User Manual
Select Internal or External Shunt using the
keys and press
to confirm.
See the Chapter „Using External Voltage and Current Transducers‟ for further
information.
Blanking
Normally enabled, select Disable to measure voltage or current that is small
(<0.25V or <3mA). If blanking operates on either voltage or current then all
related measurements would be blanked including W, VA and PF.
Select Disable or Enable using the
keys and press
to confirm.
Averaging
Normally disabled, select Enable to allow the to average results.
Averaging depth is set at four when enabled. All results, including harmonic
magnitude and phase, are averaged except for ranges (when selected for
display) and cumulative measurements (Whrs, Vahrs, VAr_hrs, Ahrs, and Hrs).
Select Disable or Enable using the
keys and press
to confirm.
4.7.
G
RAPHS
.
Set up the graphical displays of the
Select the graph type using the
keys and press
for options.
HINT: Use the „YZ‟ key to toggle between graphic and numeric displays.
Waveform Graph
This will display the voltage, current and (optionally) the watts waveform.
The scale of the graph is set automatically according to the selected range and
scaling. Display of the Watts graph may be disabled.
Select
Show and press
to display the Waveform Graph.
Select „Watts‟ to add the instantaneous watts waveform to the display.
NOTE: Waveforms will only be displayed when there is a valid frequency. DC
waveforms will not be displayed.
Harmonic Bar Chart
Select Voltage or Current harmonic bar chart using the
keys and press
for
details.
