Technical data

1Getting Started
10 U3401A User’s and Service Guide
Annunciator Description
Polarity, digits, and decimal points for primary display
°C Celcius temperature unit. Not applicable for the U3401A.
°F Fahrenheit temperature unit. Not applicable for the U3401A.
mV Voltage unit: mV, V
μmA Current unit: μA, mA, A
μmnF Capacitance unit: μF, nF, mF
MkΩ Resistance unit: Ω, kΩ, MΩ
MkHz Frequency unit: Hz, kHz, MHz
Secondary display
Polarity, digits, and decimal points for secondary display
μmnF Capacitance unit: μF, nF, mF
°C Celcius temperature unit. Not applicable for the U3401A.
°F Fahrenheit temperature unit. Not applicable for the U3401A.
% Duty cycle measurement
mV Voltage unit: mV, V
μmA Current unit: μA, mA, A
SShift mode
MkΩ Resistance unit: Ω, kΩ, MΩ
2ND Secondary display is enabled. Not applicable for the U3401A.
AUTO Autoranging
DC Direct current
AC Alternating current
DCAC AC + DC
COMP Compare operation
dBm Decibel unit relative to 1 mW
CAL Calibration mode
EXT External. Not applicable for the U3401A.
TRIG Trigger mode
REMOTE Remote interface control. For calibration use only.
LOCAL Local mode
STO Store instrument state. Not applicable for the U3401A.
RCL Recall stored instrument state. Not applicable for the U3401A.