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– In resistance measurement, the multimeter will read a non-zero value, even when the
NOTE
two test leads are in direct contact, because of the resistance of these leads. Use the
null function to zero-adjust the display.
– For DC voltage measurements, the thermal effect will influence the accuracy of the
measurements. Short the test leads and press
to zero-adjust the display.
Figure 3-3
Keysight U1281A/U1282A User's Guide
Vsense
Press
to enable
the Null function.
Vsense
Press
Vsense
Press
again to
disable the Null
function.
Null operation
Multimeter Features
Vsense
when the displayed value is stable
The display
returns to
normal after 3
seconds
Flashing
3
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