3 Functions and Features
90 Keysight U1253B User’s and Service Guide
Null (Relative)
The Null function subtracts a stored value from the present measurement and
displays the difference between the two.
1 Press to store the displayed reading as the reference value to be
subtracted from subsequent measurements and to set the display to zero.
is displayed.
2 Press to view the stored reference value. and the stored
reference value are displayed for 3 seconds.
3 Press within the 3 seconds when and the stored reference
value is displayed to exit this mode.
Null can be set for both auto and manual range settings, but not in the case of
an overload.
– In resistance measurement mode, the multimeter will read a non-zero value
even 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.
– In DC voltage measurement mode, thermal effects will influence the
accuracy. Short the test leads and press once the displayed value is
stable to zero-adjust the display.
To Next Page
Loading...
