4W (Three Phase Four Wire) Measurement - Extech Instruments PQ3450-2-NIST User Manual

5.4 3Φ4W (three phase - four wire) Measurement
1. Power
the
instrument ON by pressing the 'Power' key, and then press '1Φ 3Φ' to select the 3Φ
4W system, the selected name of the system will appear on the bottom left hand side
of the display.
2. Connect the line voltage L1, L2, L3 and Vn to V1, V2, V3 and N terminals of the
instrument.
3. Connect the three (3) Clamps (A1, A2, and A3) to the conductors A1, A2, and A3.
4. Connect the Clamps (A1, A2, and A3) to the meter's A1, A2, and A3 terminals.
5. The related measurement factors will appear on the display.
3Φ4W Screen
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