Instruction Manual

REV 1 EZCT-2000A USER’S MANUAL
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TABLE OF CONTENTS
CONVENTIONS USED IN THIS DOCUMENT ....................................................................... 1
1.0 INTRODUCTION .................................................................................................................. .. 2
1.1 General Description and Features ................................................................................... 2
1.2 Furnished Accessories ...................................................................................................... 4
1.3 Technical Specifications ................................................................................................... 5
1.4 EZCT-2000A Controls and Indicators ............................................................................... 6
2.0 PRE-TEST SETUP ................................................................................................................... 8
2.1 Operating Voltages .......................................................................................................... 8
2.2 LCD Screen Contrast Control ............................................................................................ 8
2.3 Printer Paper Control ....................................................................................................... 8
2.4 Printer Paper .................................................................................................................... 8
3.0 OPERATING PROCEDURES ................................................................................................. 10
3.1 EZCT-2000A Cable Connections ..................................................................................... 10
3.2 EZCT-2000A X Input Voltage Warning ........................................................................... 12
3.3 Performing Tests ............................................................................................................ 13
3.3.1. Entering Test Record Header Information ............................................................. 13
3.3.2. Performing Resistance, Excitation, and Ratio Tests ............................................... 16
3.4 Working With Test Records ........................................................................................... 27
3.4.1. Restoring and Printing a Test Record From Flash EEPROM ................................... 27
3.4.2. Restoring and Printing a Test Record From a USB Flash Drive .............................. 31
3.4.3. Printing a Restored Test Record ............................................................................. 34
3.4.4. Printing a Directory of Test Records Stored in the EZCT-2000A’s Memory ........... 36
3.4.5. Printing a Directory of Test Records Stored in a USB Flash Drive .......................... 39
3.4.6. Copying Test Records to a USB Flash Drive ............................................................ 41
3.4.7. Erasing Test Records From the Flash EEPROM ...................................................... 44
3.4.8. Erasing Test Records From a USB Flash Drive ........................................................ 47
3.5 Working With Test Plans ................................................................................................ 50
3.5.1. Extracting the Test Plan From a Test Record ......................................................... 50
3.5.2. Printing a Directory of Test Plans Stored in the EZCT-2000A’s Memory ............... 52
3.5.3. Printing a Directory of Test Plans Stored in a USB Flash Drive. ............................. 54
3.5.4. Printing a Test Plan ................................................................................................. 56
3.5.5. Erasing Test Plans From the Flash EEPROM ........................................................... 58
3.5.6. Erasing Test Plans From a USB Flash Drive ............................................................. 61
3.5.7. Loading a Test Plan from the EZCT-2000A’s Flash EEPROM .................................. 64
3.5.8. Loading a Test Plan from a USB Flash Drive ........................................................... 66
3.5.9. Running a Test Using a Loaded Test Plan ............................................................... 68
3.5.10. Unloading a Test Plan from the Working Memory ................................................ 73
4.0 CHANGING SETUP PARAMETERS ....................................................................................... 74
4.1 Setting the Knee Point Marker ...................................................................................... 74
4.2 Enabling and Disabling the Buried CT in Transformer Delta Option ............................. 76
4.2.1. Enabling the Buried CT in Transformer Delta Option............................................. 76
4.2.2. Disabling the Buried CT in Transformer Delta Option ............................................ 77