– In resistance measurement, the multimeter will read a non-zero value even
NOTE
– For DC voltage measurements, the thermal effect will influence the accuracy
Figure 3-3
Keysight U1231A, U1232A, and U1233A User's Guide
when the two test leads are in direct contact because of the resistance of
these leads. Use the Null function to zero-adjust the display.
of the measurements. Short the test leads and press
value is stable to zero-adjust the display.
Null operation
P ress
to enable
the Null function
P ress
stored null value
P ress
disable the Null function
Multimeter Features
when the displayed
to view the
normal after 3 seconds
again to
3
Display returns to
89