80
Power Quality Analyzer PowerPad
®
IV Model 8345
12.3 STARTING AN ALARM RECORDING
Select an alarm recording from the list, a
nd press the confirm button
to
open it
To change the display filter, use the ▲ ▼ buttons. The available display
filters depend on the chosen distribution network and connection type
Display Filter
Description
Ɐ
Displays the alarms on all channels
L1, L2, L3
Displays the alarms on phase L1, L2, or L3
N
Displays the alarms on the neutral
Σ
Displays the alarms on the summable quantities, like power
If an alarm duration is red, it means that it was cut off because:
■
The alarm recording ended while the alarm was in progress
■
A power supply problem (the instrument turned off due to low battery)
■
The recording was manually stopped ( was pressed)
■
The instrument was intentionally turned off (
was pressed)
■
The memory was full
■
A measurement error
■
An incompatibility between the monitored quantity and the instrument’s
configuration, like if a current sensor was removed
If the alarm was cut off due to a measurement error or an incompatibility, the
extreme value will be displayed in red and include an error number.
To learn what each error number means, use the help button
.
Beginning of the alarm
Quantities that crossed
the alarm threshold(s)
To view different pages
The alarm’s duration
Display filter
Extreme value
(min or max,
depending on the
threshold’s direction)