Megger MTO106, User Manual

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MTO106 ZP-BN01E BN034794AE
Contents
1 Introduction
............................................................. 6
1.1 Product description ......................................6
Features and benefits .................................................. 6
Applications ................................................................ 6
1.2 Winding resistance testing ..........................6
1.3 Receiving instructions ...................................7
1.4 Warranty .....................................................7
Warranty repair ........................................................... 7
2 Safety
............................................................. 8
2.1 General ........................................................8
Symbols on the instrument .......................................... 8
2.2 Safety instructions ........................................8
Maintenance ............................................................... 9
3 Instrument description and
Accessories ....................................... 10
3.1 Panel .........................................................10
3.2 The display .................................................11
3.3 Accessories ................................................11
Included .................................................................... 11
Optional .................................................................... 11
4 Setup and operation
........................................................... 12
4.1 Preparations ...............................................12
4.2 Testing Single and Dual windings ...............12
4.3 Testing Delta winding resistance .................13
5 Application examples
........................................................... 14
5.1 Testing transformers with tap changers ......14
5.2 Temperature correction ..............................14
5.3 Manual demagnetization of a transformer .15
6 Troubleshooting and Calibration ....... 16
6.1 Troubleshooting .........................................16
7 Specifications
........................................................... 18
Specifications ...................................................18