B Dual Display Combinations Using the Dual Key
180 U1271A/U1272A User’s Guide
Table B-1 U1271A dual display combinations
Rotary switch position Function shown (when is pressed) in the:
U1271A Primary display Secondary display
AC voltage measurement (AC V) DC voltage measurement (AC V)
Press to switch the function shown on the primary display (AC V) with the function shown
on the secondary display (DC V). Press again to switch back the functions.
v
AC voltage measurement (AC V)
AC coupling frequency measurement (Hz)
AC voltage measurement (AC V) with low
pass filter (LPF)
AC voltage measurement (AC mV)
AC coupling frequency measurement (Hz)
AC voltage measurement (AC mV) with low
pass filter (LPF)
DC voltage measurement (DC V) DC coupling frequency measurement (Hz)
DC voltage measurement (DC mV) DC coupling frequency measurement (Hz)
Resistance measurement (Ω) Ambient temperature (°C)
[1]
Continuity test ( Ω)
Press to switch between the short or
open state.
Diode test (V) Ambient temperature (°C)
[1]
Capacitance measurement (F) Ambient temperature (°C)
[1]
Temperature measurement (°C or °F) Ambient temperature (°C)
[2]
With the positive probe
inserted into the
terminal
DC current measurement (DC mA)
DC coupling frequency measurement (Hz)
AC current measurement (AC mA)
AC current measurement (AC mA)
AC coupling frequency measurement (Hz)
DC current measurement (DC mA)
% (0-20 or 4-20) DC mA DC current measurement (DC mA)
[1]