RIGOL 
 ©   2007  RIGOL  Technologies,  Inc. 
  User‟s Guide for DM3000 Series 
 
To Measure Frequency and Period 
The following shows the system connections and selection of measurement functions. 
The  practice  provides  a  guide  to  get  familiar  with  the  Frequency  and  Period 
Measurement technique.   
Frequency Test 
 
Figure 1- 31 Frequency Measurement Data Interface 
 
          Table1- 10 Frequency Test Characteristics 
200mV, 2V, 20V, 200V, 750V 
 
Basic measurement: 
1.  Connect  test  leads  as  Figure  1-  32  shown.  Red  test  lead  connects  the  HI 
Terminal, Black test lead connects the LO Terminal. 
2.  Press    to select the Frequency Test. 
3.  Set the Null value. 
Null computing will be an option operation, could be setup in accordance with   
user demand. If user does not implement Null computing, this parameter is not 
required, direct implementation of the next step. 
(To  know  the  specific  setting  methods  of  the  Null  value  setting,  please  refer  to 
Chapter 2 “To Set Up Measurement Parameters”, Null computing)