RIGOL 
 ©   2007  RIGOL  Technologies,  Inc. 
  User‟s Guide for DM3000 Series 
Frequency Measurement 
Frequency measurement function is used for measuring the frequency of AC signal 
(voltage and current) only. 
 
Press     Freq, the display shows: 
 
Figure 2- 7 
 
               Table 2- 7 Ratio Measurement Menu Description 
Activate the Frequency Measurement Function 
Deactivate the Frequency Measurement Function 
Save all changes, back to a higher level menu. 
 
Basic measurement: 
1.  Connect test leads as shown in Figure 2-9; red test lead to the HI Terminal, black 
test lead to the LO Terminal. 
2.  Press    or    to select the AC voltage or current measurement function. 
3.  Choose the appropriate range. 
4.  Set up the AC Frequency Measurement. 
Press     Freq  On, to start the AC Frequency Measurement. 
Press  to save all changes, back to a higher level menu.