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6. To measure frequency, press the “Hz” key.
To measure phase angle, press the “Θ” key.
To measure power factor, press the “PF” key.
7. To measure energy, press the “ENERGY” key, the “Pt”, “Θt”, “St” and “PF” or “ψt”
annunciators and the energy integration start time will display. The energy integration
value and the current time will continually update, press “ ↵ ” key to pause the energy
calculation; the HOLD annunciator will display. Press HOLD to exit the energy
measurement mode.