Introduction 1 
Your Multimeter in Brief
U1231A/U1232A/U1233A User’s Guide 21
U1233A/U1232A: DC A
U1231A: Clamp-on AC A (Aux)
U1233A/U1232A:  
Cycles between 
• AC A, 
• AC Hz, or 
• DC A
U1231A: 
Cycles between 
• Clamp-on DC A (Aux), 
• AC Hz, or 
• Clamp-on AC A (Aux)
page 57 and 
page 62
U1233A/U1232A: DC μA
U1231A: Auxiliary temperature 
measurement
U1233A/U1232A:  
Cycles between 
• AC μA,
• AC Hz, or 
• DC μA
U1231A: N/A
[1] The open continuity test option must be enabled through the Setup menu. To learn more, see “Enable open continuity test 
by default” on page 99. The open continuity test option is disabled by default.
Tab le  1- 5 U1231A/U1232A/U1233A rotary switch functions (continued)
Legend Functions shown in the primary display
Learn 
more on:
U1233A U1232A U1231A Default When   is pressed