
TABLE OF CONTENTS
1. FEATURES...............................................................
1
2. SPECIFICATIONS.....................................................
2
2-1 General Specifications........................................
2
2-2 Electrical Specifications.......................................4
3. FRONT PANEL DESCRIPTION....................................
8
4. MEASURING PREPARATION ......................................10
4-1 The original screen.............................................
10
4-2 Entry the measurement Screen............................ 10
4-3 The summary description of keyboard.................. 12
4-4 SETUP KEY description........................................ 13
4-5 Setting function description before measuring....... 14
5. MEASURING PROCEDURES .......................................35
5-1 1Φ2W ( one phase by two wires )
measurement..................................................... 35
5-2 1Φ3W ( one phase by three wires )
measurement..................................................... 36
5-3 3Φ3W ( three phase by three wires )
measurement..................................................... 38
5-4 3Φ4W ( three phase by four wires )
measurement..................................................... 39
5-5 The CT and PT measurement...............................41
5-6 ZERO adjustment for Watt Hour...........................42
5-7 Data Logger function..........................................
43
5-8 Data Hold function............................................ 45
5-9 Backlight key...................................................... 46
5-10 A ( Current ) Range key.....................................46
5-11 LOWBAT screen................................................ 48
5-12 Appendix 1....................................................... 49
6. MAINTENANCE......................................................... 50
6-1 Cleaning.............................................................50
6-2 Replacement of batteries ....................................50
7. RS232 PC SERIAL INTERFACE...................................
51
8. Download the saving data from the SD card to
the computer ( EXCEL software ) .............................. 53
9. PATENT...................................................................
57
10. THE ADDRESS OF AFTER SERVICE CENTER ............
58