Fluke 434 - Tips and Hints

Transients
Tips and Hints14
14-3
Available function keys:
F1
Selection of waveform set to be displayed: V displays all
voltages, A displays all currents. A (L1), B (L2), C (L3), N
(neutral) give simultaneous display of phase voltage and
current.
F2
Access submenu for Cursor and Zoom operation.
F3
Assign up/down arrow keys to browse through all captured
screens.
F4
Switch between voltage readout per phase
(A/L1,B/L2,C/L3,N) or phase-to-phase (AB,BC,CA) for 3-
phase Y configuration.
F5
Switch between HOLD and RUN of screen update.
Switching from HOLD to RUN invokes a menu to select
immediate (NOW) or TIMED start time which allows you
to define start and duration of the measurement.
Tips and Hints
Disturbances such as transients in a power distribution system can cause malfunctions in
many types of equipment. For example, computers may reset and equipment subjected to
repeated transients can eventually fail. Events occur intermittently, making it necessary to
monitor the system for a period of time to find them. Look for voltage transients when
electronic power supplies are failing repeatedly or if computers reset spontaneously.