44 34410A/11A/L4411A User’s Guide
2 Features and Functions
Front Panel Measurement Configuration Menus
Each measurement function is configured separately, except for Ω 2W and Ω 4W (which
are partially inter–dependent), and frequency and period, (which share a configuration
menu). The configuration settings (for example, integration, and range) for each
measurement function are retained when switching between functions.
• To enter the configuration menu for any selected measurement function, press
. The menus are context–sensitive; only the options applicable to the selected
function will appear.
• When digit masking is enabled (see “Digit Masking.” on page 42) the DIGIT MASK
submenu will appear before other configuration choices.
• For further information, see “Advanced Configuration Options” on page 48.
Configuring DC Voltage and DC Current Measurements
For dc voltage and dc current measurements, the menu selections are: INTEGRATION,
RANGE, AUTO ZERO, NULL and NULL VALUE. For dc voltage measurements only,
you can also configure INPUT Z.
• 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 select a fixed range (select MANUAL), or let the multimeter
automatically select the range using the autoranging feature (select AUTO).
• INPUT Z: Allows you to select an input impedance of 10 MΩ (select 10 M) or >10
GΩ (select HI–Z) for the 100 mVdc, 1 Vdc and 10 Vdc ranges only.
• 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 zero reading from each measurement.
• NULL: Allows you to enable (ON) or disable (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 (if enabled).
Configuring AC Voltage and Current Measurements
For ac voltage and ac current measurements, your menu selections are:
AC FILTER, RANGE, NULL and NULL VALUE.
• AC FILTER: Allows you to select one of three choices (3 HZ : SLOW, 20 HZ :
MEDIUM, 200 HZ : FAST). The ac filter allows you to trade off low–frequency
bandwidth versus ac settling time.
• RANGE: Allows you to let the multimeter automatically select the range using the
autoranging feature (select AUTO), or you may select a fixed range (select
MANUAL).
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