Haefely 2830, User Manual, Page: 4 / 124

IV Introduction
Contents
1 Introduction 1
1.1 General ................................................................................................................ 1
1.2 Scope of Supply ................................................................................................... 1
1.3 Accessories and Options ..................................................................................... 2
1.4 Hardware ............................................................................................................. 2
1.5 Software ............................................................................................................... 2
2 Glossary of Terms and Abbreviations 3
3 Safety 4
3.1 General ................................................................................................................ 4
3.1.1 Five basic safety regulations ................................................................... 5
3.1.2 Ground Connections ................................................................................ 6
3.1.3 Test Area ................................................................................................. 6
3.1.4 Mains Connection .................................................................................... 6
3.1.5 Cleaning and Maintenance ...................................................................... 6
3.1.6 Health Notes ............................................................................................ 7
3.2 Training and Education ........................................................................................ 7
4 Technical Data 8
4.1 Specifications ....................................................................................................... 8
5 Theory 10
5.1
Dissipation Factor tanδ ...................................................................................... 10
5.2 Parallel and Series Equivalent Circuits .............................................................. 11
5.3 The difference between Power Factor and Dissipation Factor .......................... 12
5.4 Relative Permittivity ........................................................................................... 12
5.5 DC Resistivity ..................................................................................................... 15
5.6 Test Instruments ................................................................................................ 17
5.7 Evaluation of Test Results ................................................................................. 18
5.8 Other Test Methods ........................................................................................... 19
6 Device Functions 20
6.1 System Overview ............................................................................................... 20
6.1.1
C & tan δ ................................................................................................ 20
6.1.2 DC Resistivity......................................................................................... 21
6.1.3 Vcommon point and Guarding ............................................................... 22
6.2 Standard test circuits ......................................................................................... 22