Fluke 434-II/435-II/437-II
Users Manual
15-4
Available function keys:
F1
Up/down arrow keys are assigned to scroll Meter screen.
F2
Access to cursor and zoom menu.
F3
Access to Meter screen showing half cycle rms for voltage
and current.
F4
Access to Events menu. The number of events that occurred
is shown.
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
Check the peak currents and their duration. Use the Cursor for readout of momentary
values. Check if fuses, circuit breakers, and conductors in the power distribution system
can withstand the inrush current during this period. Check also if phase voltages stay
stable enough.
High peak currents can cause circuit breakers to trip unexpectedly. Measuring Inrush
Current can help in setting trip levels. Since the Analyzer simultaneously captures Inrush
Current and Voltage Trends you can use this measurement to check voltage stability as
large loads come on line.
Use event capture on Arms ½ to capture high resolution voltage and current rms trends
and to capture waveform signals. This feature is available in Fluke 435-II and 437-II and
can display a 7.5 second trend and a 1 second waveform. To activate this press SETUP,
F4 – MANUAL SETUP, F3 – FUNCTION PREF., F1- WAVE CAPTURE. Then select
AMPS
0.50 A with the up/down arrow keys and press ENTER to activate.
1.800.868.7495info@Fluke-Direct.ca
Fluke-Direct.ca
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