Fangrui Product Details 1. D69-2058 6 In 1 Multifunctional Ac Voltage And Current Digital Display Instrument 2. It Can Measure And Display 6 Parameters Such As Ac Voltage, Ac Current, Active Power, Power Factor, Frequency And Electric Energy At The Same Time\ 3. The Instrument Display Part Adopts Color High-definition Lcd Screen 4. Auto-save Function: When The Power Is Off, The Meter Will Automatically Save The Current Energy Value, And The Meter Will Read The Value After The Next Power-on, And Continue To Accumulate 5. Measurement Speed: About 2 Timessecond 6. Dimensions: 79x43x48mm 7. Measuring Range: 8. Ac Voltage: Ac80.0-300.0v, Or Ac200.0-450.0v 9. Ac Current: Ac099.99a, The Current Display Resolution Is 0.01a, When It Exceeds 100a, It Displays 100.0a 10. Power Frequency: 45.0hz-65.0hz 11. Power Factor: 0.00-1.00pf 12. Active Power: The Measurement Range Is 0-45000w (the Display Resolution Between 0-9999.9w Is 0.1w, The Rest Is 1w) 13. Electric Energy: The Measuring Range Is 0-99999kwh 14. How To Use And Connect 15. Connect According To The Wiring Diagram In The Attached Picture, Connect The Secondary End Of The Current Transformer With The Instrument (green Lead) To The Blue Terminal Of The Instrument, And Pass The Wire Of The Measurement Loop Through The Middle Round Hole Of The Current Transformer 16. Connect The Voltage Measurement Lead To The Green Terminal Of The Meter; Then Connect The Measurement Voltage; Start Reading The Measurement Results 17. After The Power Is Turned On, The Meter Displays The Measured Value 18. Press And Hold The Reset Button On The Front Panel Of The Instrument For 5 Seconds