2
1-2 Features
The main features provided by the meter are:
! A dual, Vacuum Fluorescent Display (VFD) that allows two properties of
input signal to be displayed at the same time. (e.g., DC voltage on one
display and AC voltage on the other).
! Remote operation via RS-232 interface (standard) or IEEE-488 interface
(optional).
! 120,000, 40,000, and 4,000 counts for different measuring rate:
Slow Rate (120,000 counts) – 2 readings/sec;
Medium Rate (40,000 counts) – 5 readings/sec;
Fast Rate (4,000 counts) – 20 readings/sec.
! 1µV sensitivity in Vdc measurement.
! True RMS Vac with 20Hz to 100kHz bandwidth for 5492, and 40Hz to
30kHz for 5491.
! (Vac+Vdc) RMS and (Aac+Adc) RMS, calculated.
! Selectable 2-wire and 4-wire resistance measurements.
! Resistance measurements up to 120MΩ with 1mΩ resolution at slow reading
rate or up to 300MΩ with 10mΩ and 100mΩ resolution at medium and fast
reading rate respectively.
! Wide dc and ac current measurement ranges: 12mA ~ 12A.
! Frequency measurements greater than 1MHz with 0.01Hz best resolution.
! dBm measurement with variable reference impedance from 2Ω to 8000Ω
and audio power measurement capability.
! Zeroing mode (REL) to offset residual reading before taking a measurement.
! Compare mode to determine if a measurement is within, above, or below a
designated range (Hi/Lo/Pass).
! Dynamic recording mode to keep minimum and/or maximum readings of
measurements.
! CAL mode to provide electronic closed-case calibration (no internal
adjustments).
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