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Setting the data refresh rate
This setting is used to set the multimeter's data refresh rate for voltage, current, resistance,
and diode measurements.
To perform high-speed measurements of voltage, current, resistance, and diode, set the
NOTE
data refresh rate to 40 times per second. This will produce more than double the
measurement speed for these measurements.
CMRR and NMRR rejections are not applicable for this high-speed measurement mode.
Under this specialized condition, this mode provides reduced accuracy results at 40
readings per second.
In applications where sample-to-sample levels vary widely, a longer settling time is
required for each new reading.
The count resolution for the 40 times per second data refresh rate is 6,000, and the
resolution for the 5 times per second data refresh rate is 60,000.
Parameter
d-UPd
To change the refresh rate:
1 Press
2 Press
Figure 4-18
3 Press
4 Press
5 Press and hold
Keysight U1281A/U1282A User's Guide
Range
5 or 40 times per second
while turning the rotary switch to access the Setup menu.
Shift
Esc
or
on
until
Hold
d-UPd display
Vsense
or
to set the data refresh rate.
to save your changes, or press
Hz
Save
until the multimeter restarts to return to normal operation.
Shift
Esc
Multimeter Setup Options
Default setting
5 times per second
is shown on the secondary display.
to discard your changes.
Shift
Esc
4
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