User manual 2 / 28
Document ID: AI0003CE 2015-02-16
Megger Sweden AB phone: +46 8 510 195 00
Rinkebyvägen 19 email: seinfo@megger.com
182 36 Danderyd website: www.megger.com
Sweden
Content
1 Overview ................................................................................................................................................... 3
1.1 General .............................................................................................................................................. 3
1.2 Measurement principle ...................................................................................................................... 3
2 Specification .............................................................................................................................................. 3
3 Safety ......................................................................................................................................................... 5
3.1 General .............................................................................................................................................. 5
3.2 Instrument symbols ........................................................................................................................... 5
3.3 Warning and Caution Notices ............................................................................................................ 6
3.3.1 Warning ..................................................................................................................................... 6
3.3.2 Caution ...................................................................................................................................... 6
3.4 General safety information ................................................................................................................ 6
3.5 Instrument safety ............................................................................................................................... 7
4 Maintenance .............................................................................................................................................. 8
5 Warranty .................................................................................................................................................... 8
5.1 Receiving Instructions ....................................................................................................................... 8
5.2 Warranty ............................................................................................................................................ 8
5.3 Warranty repair .................................................................................................................................. 8
6 Control, indicators and connectors ............................................................................................................ 9
6.1 Front panel ......................................................................................................................................... 9
6.2 Back panel ....................................................................................................................................... 10
7 Software Installation ................................................................................................................................ 11
8 CDAX605 Control .................................................................................................................................. 11
8.1 Connect ............................................................................................................................................ 11
8.2 Control tab ....................................................................................................................................... 12
8.3 Settings tab ...................................................................................................................................... 14
9 Calibration ............................................................................................................................................... 16
9.1 Warm-up .......................................................................................................................................... 16
9.2 Calibration procedure ...................................................................................................................... 16
9.2.1 Calibration ............................................................................................................................... 17
9.2.2 Balancing ................................................................................................................................. 17
10 Operating instructions ......................................................................................................................... 17
10.1 Standard test circuits ........................................................................................................................ 17
10.1.1 Ungrounded Specimen Test (UST) with grounded HV Supply............................................... 17
10.1.2 Ratio transformer with grounded HV supply........................................................................... 20
10.1.3 Grounded Specimen Test (GST) with floating HV Supply ..................................................... 21
10.2 Measurements with Test Current greater than 5A (with external current transformer) ................... 22
10.2.1 General information on Range Extension ................................................................................ 22
10.2.2 Errors caused by an external CT .............................................................................................. 22
11 Stored data and reporting ..................................................................................................................... 23
12 User fields ............................................................................................................................................ 23
12.1 Editing user fields ............................................................................................................................ 24
12.1.1 Description of buttons ............................................................................................................. 24
12.1.2 User field parameters ............................................................................................................... 24
12.1.3 Entering a formula ................................................................................................................... 26
12.1.4 Example – Creating a user field showing correction factor ..................................................... 27
12.2 The Results Window ....................................................................................................................... 27
