Null (Relative); Data Logging (U1242B) - Agilent Technologies U1241B User's Manual And Service Manual

2 Features and Functions

Null (Relative)

The Null function subtracts a stored value from the present measurement
and displays the difference between the two values.
1 Press
2 Press
• In resistance measurement, the multimeter reads a non-zero value due to the presence
N O T E
• In DC voltage measurement, the thermal effect will influence the accuracy. Short the

Data Logging (U1242B)

The data logging function stores the data in non- volatile memory. Thereby,
the data remains saved when the multimeter is turned off. Data logging
records only the value on primary display. Two options of data logging are
offered — Hand (manual) logging and Interval (automatic) logging func-
tions.
Table 2-8 Functions available for data logging
20
to store the displayed reading as the reference value to be
subtracted from subsequent measurements and to set the display to
zero. The NULL annunciator is displayed.
to view the stored reference value. The NULL annunciator
will flash for three seconds before the display returns to zero. To exit
this mode, press
of test leads resistance. Use the Null function to zero-adjust the effect of test lead
resistance.
test leads and press
offset.
Function
Voltage
Current
Hz
while NULL is flashing on the display.
once the displayed value is stable in order to zero out the
Mode
DC, AC
DC, AC, % of mA
AC
U1241B/U1242B User's and Service Guide
Range
1000 mV to 1000 V
1000 μA to 10 A
Auto