46 34410A/11A/L4411A User’s Guide
2 Features and Functions
• AC FILTER: Allows you to select from three choices (3 HZ : SLOW,
20 HZ : MEDIUM, or 200 HZ : FAST). The ac filter allows you to trade off
low–frequency bandwidth versus ac settling time.
• 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 Temperature Measurements
For temperature measurements, your menu selections are: PROBE TYPE, OFFSET
COMP, AUTO ZERO, INTEGRATION, NULL, NULL VALUE, and UNITS.
• PROBE TYPE: Allows you to select from four choices (RTD–4W, RTD–2W,
THERMISTOR–2W, or THERMISTOR–4W) of temperature probe type.
• OFFSET COMP (for RTD probes only): Allows you to enable (ON) or disable (OFF)
the offset compensation feature. With offset compensation enabled, the multimeter
makes a normal temperature 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 (ON) or disable (OFF) the auto zero feature for
2–wire temperature measurements. This feature subtracts a subsequent zero reading
from each measurement.
Note that 4–wire temperature measurements are automatically made with auto zero
always on.
• INTEGRATION: Allows you to set the integration time for the measurement in two
ways; in power–line cycles (NPLC) or in seconds (APERTURE).
• 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).
• UNITS: Allows you to select the temperature scale: Celsius (select C), Fahrenheit
(select F), or Kelvin (select K).
Configuring Capacitance Measurements
For capacitance measurements, your configuration menu choices are: RANGE, NULL
and NULL VALUE.
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