Publicité
CONTENTS
1.
PRESENTATION .................................................................... 21
2.
DESCRIPTION ....................................................................... 21
3.
USE ........................................................................................ 23
3.1 Implementation ................................................................ 23
3.2 Earth resistance measurement ........................................ 23
3.3 Measurement of earth resistivity ...................................... 24
3.4 Measurement of coupling ................................................. 25
3.5 Fault signalling ................................................................. 26
4.
FUNCTIONAL CHARACTERISTICS ...................................... 27
4.1 Reference conditions ....................................................... 27
4.2 Metrological properties .................................................... 27
4.2.1 Voltage detection ................................................... 27
4.2.2 Resistance ............................................................. 27
4.3 Power supply ................................................................... 28
4.4 Environmental parameters ............................................... 28
4.4.1 Climatic .................................................................. 28
4.5 Construction specifications .............................................. 29
4.6 Compliance with international standards ......................... 29
4.6.1. Electromagnetic compatibility ................................ 29
4.6.2 Mechanical protection ............................................ 29
4.6.3 Variations in operating range ................................. 30
4.6.4 Typical measurements ........................................... 31
4.6.5 Limits ..................................................................... 31
5.
MAINTENANCE ..................................................................... 32
5.1 Servicing .......................................................................... 32
5.1.1 Replacing the batteries
or rechargeable cells (C.A 6460 only ) ................... 32
5.1.2 Recharging all replacing the battery (C.A. 6462) ... 32
5.1.3 Replacing the fuse ................................................. 33
5.2 Cleaning .......................................................................... 33
5.3 Storage ............................................................................ 33
5.4 Metrological verification ................................................... 34
6.
WARRANTY ........................................................................... 34
7.
TO ORDER ............................................................................. 35
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