Table of Contents
3
IRDH575_D00089_05_M_XXEN/01.2020
1. Important information .................................................................................... 8
1.1 How to use this manual ................................................................................. 8
1.2 Technical support: service and support ................................................... 9
1.2.1 First level support ............................................................................................. 9
1.2.2 Repair service ..................................................................................................... 9
1.2.3 Field service ..................................................................................................... 10
1.3 Training courses ............................................................................................. 10
1.4 Delivery conditions ....................................................................................... 10
1.5 Inspection, transport and storage ........................................................... 11
1.6 Warranty and liability ................................................................................... 11
1.7 Disposal ............................................................................................................ 12
2. Safety instructions ......................................................................................... 13
2.1 General safety instructions ........................................................................ 13
2.2 Work activities on electrical installations ............................................. 13
2.3 Device-specific safety information ......................................................... 14
2.4 Use for the intended purpose ................................................................... 16
3. Function ........................................................................................................... 17
3.1 General characteristics ................................................................................ 17
3.2 Essential functions of the ISOMETER® .................................................... 17
3.3 Essential functions of the Insulation fault location system (EDS) 18
3.4 Product description ...................................................................................... 18
3.5 Function ............................................................................................................ 19
3.5.1 Current output for external measuring instrument ......................... 20
3.5.2 Real-time clock ............................................................................................... 20
3.5.3 Insulation fault location .............................................................................. 20
3.5.4 Interconnected systems ............................................................................. 21