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TGH1266E - 05/04
Contents
1 General ............................................................................................................ 4
Critical Use ............................................................................................................. 4
What is EDS3065 ................................................................................................... 4
The Insulation Resistance ..................................................................................... 5
Basic Standards ....................................................................................................... 6
Terms and Definitions .......................................................................................... 6
2 Safety Instructions ........................................................................................ 7
Proper Use ............................................................................................................... 7
Warranty and Liability ........................................................................................... 7
Copyright ................................................................................................................ 7
Explanation of Symbols and Notes .................................................................... 8
Risks when Operating the System....................................................................... 8
Special Notes .......................................................................................................... 8
Warranty Obligations ............................................................................................ 9
Inspection, Transport and Storage ...................................................................... 9
3 Operating Principle of the EDS3065 ...................................................... 10
Operating Principle of Insulation Fault Location ......................................... 10
Response Values .....................................................................................................10
Operation in the RCM-Mode ............................................................................11
4 Product Description ...................................................................................12
The System Components at a Glance .............................................................. 12
Parts List .................................................................................................................13
Supply Voltage .......................................................................................................13
Options ...................................................................................................................13
Aluminium Case ................................................................................................... 14
EDS165 Insulation Fault Evaluator ................................................................... 14
Test Device PGH185 ........................................................................................... 15
PSA3020 Clamp-on Probe ...................................................................................16
PSA3052 Clamp-on Probe ...................................................................................16
Technical Data EDS3065 ..................................................................................... 17
Technical Data EDS165 .......................................................................................18
Technical Data Clamp-on Probes ......................................................................18
5 Operation and Setting................................................................................ 19
Factory Settings .....................................................................................................19
Settings on the EDS165 Evaluator..................................................................... 19
Switching On the EDS165 ..................................................................................19
The EDS165 Display ........................................................................................... 20
The EDS165 in the EDS-Mode ......................................................................... 20
The EDS165 in the RCM-Mode ....................................................................... 22
Error Messages...................................................................................................... 23
Serial Interface ...................................................................................................... 24
Interface Protocol ................................................................................................ 24
Replacing the Accumulators .............................................................................. 25
6 Points to be Considered before Use........................................................26
Reduced Measurement Current ........................................................................ 26
A Sensible Approach to Fault Location .......................................................... 27
Characteristic Curves .......................................................................................... 28
Limits of Insulation Fault Location ................................................................. 32
7 Practical Use ................................................................................................34
Use as a Portable Insulation Fault Location Device ..................................... 34
Using the EDS165 within an EDS470 system ................................................ 36
Using the EDS165 as a Residual Current Monitor ....................................... 38
EDS3065 in diode decoupled systems ............................................................. 39
Coupling unit AGE185 for higher voltages .................................................... 42
8 Ordering Information ............................................................................... 44
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