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Measuring Frequency

IMPORTANT: Connecting the DMM to the circuit before pressing the Hz button will allow the DMM to autorange to an appropriate range.

The following procedure determines the frequency of a signal.

  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.
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