Keysight U1281A Guide De L'utilisateur page 101

– 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 tips on a flat surface or a null value circuit and
press
Figure 3-3
Keysight U1281A/U1282A User's Guide
Vsense
when the displayed value is stable to zero-adjust the display.
Vsense
Press to enable
the Null function.
Vsense
Press
Vsense
Press again to
disable the Null
function.
Null operation
Multimeter Features
The display
returns to
normal after 3
seconds
Flashing
3
101