Frequency And Duty Cycle Measurements (Electronic) - Extech Instruments EX505A User Manual

5
Operation

5.14 Frequency and Duty Cycle Measurements (Electronic)

This section applies to low voltage electronic frequency measurements. To measure high
voltage frequency and duty cycle, refer to Section 5.7, Voltage Measurements, above.
Figure 5.8 Frequency test setup.
1. Rotate the function switch to the Hz % position
2. Insert the black test lead plug into the negative COM jack. Insert the red
test lead plug into the positive Hz % jack.
3. Touch the black test probe tip to one side of the component or circuit.
Touch the red test probe tip to the other side.
4. Read the measurement value on the display.
5. Use the MODE button to toggle frequency and duty cycle functions.
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