6 Keysight U1281A/U1282A Quick Start Guide
6 Keysight U1281A/U1282A Quick Start Guide
Using the Rotary Switch
Legend Measurement function
Model
U1281A U1282A
AC V/AC V with Low Pass Filter (LPF)
[a]
✔✔
AC mV/AC mV with LPF
[a]
✔✔
DC/AC/AC+DC V ✔✔
DC/AC/AC+DC mV ✔✔
Resistance/Continuity ✔✔
Diode/Frequency counter
[a]
✔✔
Capacitance/Temperature ✔✔
DC μA/mA/AC μA/mA/AC+DC μA/mA ✔✔
DC A/AC A/AC+DC A ✔✔
Square wave mode
[a]
— ✔
[a] For U1282A only.
Remove the test leads from the measuring source 
or target before changing the rotary switch 
position.
Refer to the U1281A/U1282A User’s Guide for a 
complete list and description of all rotary switch 
labels.