2 Making Measurements  
Measuring DC Voltage
34 U1231A/U1232A/U1233A User’s Guide
Measuring DC Voltage
Set up your multimeter to measure DC voltage as shown in 
Figure  2- 4. Probe the test points and read the display.
Figure 2-3 DC voltage display
Measuring AC/DC mV
You can choose to set the multimeter to measure AC or DC 
mV at the rotary positions shown below. 
• U1233A: 
• U1232A: 
• U1231A: 
Use the Setup menu to enable AC/DC mV measurements. See 
“Enable the AC/DC mV measurement”  on page  98 to learn 
more.
This multimeter displays DC voltage values as well as their polarity. 
Negative DC voltages will return a negative sign on the left of the display.