Measuring Frequency
Measuring Frequency |
Special Tools
EL 39200 Digital Multimeter (DMM)For equivalent regional tools, refer to Special Tools .
Refer to Test Probe Caution .
The following procedure determines the frequency of a signal.
Note | ||
Connecting the Digital Multimeter (DMM) to the circuit before pressing the Hz button will allow the DMM to autorange to an appropriate range. |
1. |
Apply power to the circuit.
|
2. |
Set the rotary dial of the DMM to the V (AC) position.
|
3. |
Connect the positive lead of the DMM to the circuit to be tested.
|
4. |
Connect the negative lead of the DMM to a good ground.
|
5. |
Press the Hz button on the DMM.
|
6. |
The DMM will display the frequency measured.
|