1P2W 1 Element Single Phase Electric Meter Test Equipment 24 Meter Position Product Function 1. Forward and reverse active energy / forward and reverse reactive energy error test 2. Creeping and starting test 3. Standard deviation, 24 hour variation test 4. Influencing quantity test of voltage, frequency, harmonic 5. Calibration and verification of energy constant 6. Test of open circuit for Neutral voltage (optional) 7. Simultaneous test of the energy meters with same