46 34410A/11A User’s Guide
2 Features and Functions
Configuring AC Voltage and Current Measurements
For ac voltage and current measurements, your configuration menu
choices are: AC FILTER, RANGE, NULL and NULL VALUE.
• AC FILTER: Allows you to select one of three choices (SLOW, MEDIUM or
FAST) of bandwidth (ac signal filter), enabling you to optimize
low–frequency accuracy or achieve faster ac settling times.
• RANGE: Allows you to let the multimeter automatically select the range
using the autoranging feature (select AUTO), or you may select a fixed
range using manual ranging (select MANUAL).
• NULL: Allows you to enable (select ON) or disable (select OFF) the null
measurement feature, which measures the difference between a stored
null value and the input signal.
• NULL VALUE: Allows you to view and edit the null value.
Configuring Resistance Measurements
For 2–wire and 4–wire resistance measurements, your configuration menu
choices are: INTEGRATION, RANGE, OFFSET COMP, AUTO ZERO, NULL and NULL VALUE.
• INTEGRATION: Allows you to set the integration time for the measurement
in two ways; in power–line cycles (select NPLC) or in seconds (select
APERTURE).
• RANGE: Allows you to let the multimeter automatically select the range
using the autoranging feature (select AUTO), or you may select a fixed
range using manual ranging (select MANUAL).
• OFFSET COMP: Allows you to enable (select ON) or disable (select OFF) the
offset compensation feature. With offset compensation enabled, the
multimeter makes a normal resistance measurement first, followed by a
second measurement to determine any offset voltage in the input
circuitry. The resultant displayed measurement corrects for this offset.
Enabling offset compensation increases measurement time.
• AUTO ZERO: Allows you to enable for all readings (select ON), enable for
one reading (select ONCE), or disable (select OFF) the auto zero feature,
which subtracts a subsequent zero reading from each measurement
taken, to prevent offset voltages in the multimeter’s input circuitry from
affecting measurement accuracy.
• NULL: Allows you to enable (select ON) or disable (select OFF) the null
measurement feature, which measures the difference between a stored
null value and the input signal.
• NULL VALUE: Allows you to view and edit the null value.
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