4.2 Use PT/CT to Measure Circuit......................................................................... 49
4.2.1 PT and CT..............................................................................................................49
4.2.2 Wiring Method.......................................................................................................49
4.2.3 Diagram of Connecting Test Accessories...............................................................52
4.3 Connect Measuring Circuit by Current Sensor............................................. 52
4.3.1 Shunt Current Sensor and Voltage Output Clamp Sensor......................................53
4.3.2 Wiring Method.......................................................................................................53
4.3.3 Diagram of Connecting Test Accessories...............................................................54
Chapter 5: Before Starting Measurement ................................................55
5.1 Overview........................................................................................................... 55
5.2 System Settings............................................................................................... 55
5.3 Zero Calibration ............................................................................................... 56
5.3.1 Function Introduction.............................................................................................56
5.3.2 Steps.......................................................................................................................57
5.4 Configuration Wizard....................................................................................... 57
Chapter 6: Measurement Condition..........................................................60
6.1 Select wiring mode .......................................................................................... 60
6.2 Set measurement range .................................................................................. 60
6.2.1 Set the measurement range for direct input............................................................60
6.2.2 How to set the range when using the external current sensor ................................63
6.2.3 Ratio Factor............................................................................................................63
6.3 Measurement Interval Setting......................................................................... 65
6.3.1 Set synchronous source..........................................................................................65
6.3.2 Set data update rate ................................................................................................66
6.4 Filter Configuration.......................................................................................... 67
6.5 Power Measurement Parameter Initialization................................................ 69
6.5.1 Set calculation formulas for apparent power, reactive power and corrected power
.........................................................................................................................................70
6.5.2 Set the formula for efficiency.................................................................................73
6.6 Averaging Function.......................................................................................... 75
6.6.1 Function Introduction.............................................................................................75
6.6.2 Steps.......................................................................................................................76
6.7 Synchronous Measurement............................................................................ 76
6.8 U-I Phase........................................................................................................... 77
Chapter 7: Exception Handling and Maintenance...................................78
7.1 Exception Handling ......................................................................................... 78
7.2 Recommended Accessory Replace Period ................................................... 79
Chapter 8: Specifications..........................................................................80
8.1 Input Parameters.............................................................................................. 80
8.1.1 Input terminal Type................................................................................................80
8.1.2 Input Type ..............................................................................................................80
8.1.3 Number of Input Elements.....................................................................................80
