Fluke 1625Earth/Ground Manual do Utilizador descarregar pdf (Página 7)

List of Figures

Figure Title Page

1. Fluke 1625 Earth/Ground Tester.................................... 2

2. Description of Functions ................................................ 8

3. Display ........................................................................... 10

4. Operating Elements........................................................ 21

5. Display Elements ........................................................... 23

6. Operational Modes ......................................................... 27

7. Measurement of Interference -

Voltages and Frequencies............................................... 32

8. Earthing Resistances Measurement - Method ................ 33

9. 3-pole/4-pole Measurement of Earthing Resistance -

Process............................................................................ 34

10. Earth Resistance - Maximum Permissible Value ........... 35

11. Measurement of Single Earth Electrode Resistances in

Mesh Operated Earthing Systems .................................. 36

12. 3-pole/4-pole Measurement of Single Earth

Electrode Resistances..................................................... 37

13. Measuring the Earthing Resistance without

Disengaging the Overhead Earth Wire........................... 40

14. Correcting Clip-on Transformer Errors.......................... 43

15. Compensation of Earth Electrode Connecting Lead ...... 44

16. Measurement of Soil Resistivity .................................... 45

17. Resistance Measurement (R~) ....................................... 48

18. Resistance Measurement (RF) ...................................... 49

19. Evaluation of Measured Value....................................... 50

20. Compensation of Measuring Lead Resistance ............... 51

1 2 3 4 5 6 7 8 9 10 11 12 ... 89 90

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Fluke 1625Earth/Ground Manual do Utilizador Página 7