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1625
Users Manual
ii
Measurement of Interference - Voltages and Frequencies................ 31
Measurement of Earthing Resistances.............................................. 32
3-pole/4-pole Measurement of Earthing Resistance..................... 33
Measurement of Single Earth Electrode Resistances in
Mesh Operated Earthing Systems Using Selective Clamp
Method ......................................................................................... 36
3-pole/4-pole Measurement of Single Earth Electrode
Resistances................................................................................... 37
Measurements on High Voltage Pylons........................................ 39
Correcting Clip-on Transformer Errors........................................ 42
Compensation of Earth Electrode Connecting Lead..................... 44
Measurement of Soil Resistivity....................................................... 45
Measurement of Resistances ............................................................ 48
Resistance Measurement (R~)...................................................... 48
Resistance Measurement (R
F
)..................................................... 49
Compensation of Measuring Lead Resistance.............................. 50
Changing of All Data Settings with Personalized CODE................. 51
Storing a Code.............................................................................. 53
Deleting a Code............................................................................ 54
Description of Displays........................................................................ 55
Care and Maintenance.......................................................................... 60
Replacing Batteries........................................................................... 61
Recalibration.................................................................................... 62
Storage.............................................................................................. 62
Specifications....................................................................................... 64
Principle of Operation.......................................................................... 65
Purpose............................................................................................. 65
Operation.......................................................................................... 68
Settings on the Tester................................................................... 69
Applications ..................................................................................... 70
Description of Displays................................................................ 72