Caution: Refer to Test Probe Caution in the Preface section.
The following procedure determines the frequency of a signal.
Note: Connecting the DMM to the circuit before pressing the Hz button will allow the DMM to autorange to an appropriate range.
- Apply power to the circuit.
- Set the rotary dial of the DMM to the V (AC) position.
- Connect the positive lead of the DMM to the circuit to be tested.
- Connect the negative lead of the DMM to a good ground.
- Press the Hz button on the DMM.
- The DMM will display the frequency measured.