3
Multimeter Features
98
Keysight U1241C/U1242C User’s Guide
Making Relative Measurements (Null)
When making null measurements, also called relative, each reading is the
difference between a null value (stored or measured) and the input signal.
One possible application is to increase the accuracy of a resistance measurement
by nulling the test lead resistance. Nulling the leads is also particularly important
prior to making capacitance measurements.
1
To activate the relative mode, press
. The measurement value at the time
that when Null ( ) is enabled, is stored as the reference value.
Figure 3-3
Null display
2
Press
again to view the stored reference value (
flashes). The display
will return to normal after 3 seconds.
3
To disable the Null function, press
while the stored reference value is
shown.
NOTE
Null can be set for both auto and manual range settings, but an overload reading
cannot be stored as a null value.
Vsense
Vsense
Vsense
Содержание U1241C
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