RIGOL 
2-10 © Copyright RIGOL Technologies, Inc. 2007.       
  User Manual for DM3000 Series 
Frequency Measurement 
Frequency measurement function is only used for measuring the frequency of an AC 
signal (AC voltage and AC current). 
 
Press     Æ    Freq , enter the menu shown below: 
 
Figure 2-8 
 
          Table 2-7 Ratio Measurement Menu Explanation 
Function Menu  Explanation 
ON  Open the Frequency Measurement Function 
OFF  Close the Frequency Measurement Function 
 
Save all changes, back to a higher level menu. 
 
Basic measurement: 
1.    Connect test leads as Figure 2-9 shown. Red test lead connects the HI Terminal, 
Black test lead connects the LO Terminal. 
2.  Press     or    to select the AC voltage or current measurement function. 
3.    According to the voltage measuring scope, choose the correct range. 
4.    Set up the DC Ratio Measurement. 
Press     Æ  Freq  Æ    On , to start the AC Frequency Measurement. 
Press 
to save all changes, back to a higher level menu.