Fluke 1625 User Manual

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

Fluke 1625 Specifications

General

Storage Temperature	-20 °C to 60 °C
Testing Methods	3-pole fall-of-potential, 4-pole
Measurement Frequency	128 Hz
Power Supply	6 x 1.5 V AA batteries or optional AC adapter
Safety Rating	CAT II 300 V
Safety Standards	IEC 61010-1