GEO416 - GEO416GS
EN - 1
Table of contents:
1.SAFETY PRECAUTIONS AND PROCEDURES ..........................................................2
1.1.Preliminary instructions ..................................................................................................... 2
1.2.During use......................................................................................................................... 3
1.3.After use............................................................................................................................ 3
1.4.Definition of measurement category (Overvoltage)........................................................... 3
2.GENERAL DESCRIPTION ...........................................................................................4
2.1.Instrument description....................................................................................................... 4
3.PREPARING THE INSTRUMENT ................................................................................4
3.1.Initial check........................................................................................................................ 4
3.2.Power supply..................................................................................................................... 4
3.3.Calibration ......................................................................................................................... 4
3.4.Storage.............................................................................................................................. 4
4.WORKING INSTRUCTIONS ........................................................................................5
4.1.Instrument description....................................................................................................... 5
4.2.MEASURING ACCESSORIES DESCRIPTION ................................................................ 5
Fig. 2: Measuring accessories description................................................................................................ 5
4.2.1.Switching on............................................................................................................................. 6
4.2.2.Auto power off.......................................................................................................................... 6
4.3.EARTH 3W – 3 wire earth resistance measurement......................................................... 7
4.4.EARTH 2W – 2 wire earth resistance measurement......................................................... 9
4.5.- Ground resistivity measurement ................................................................................ 12
4.5.1.Anomalous measuring applications ....................................................................................... 15
5.MANAGEMENT OF STORED DATA..........................................................................17
5.1.How to save a measurement........................................................................................... 17
5.2.how to cancel one or several measurements.................................................................. 17
5.3.How to recall a measurement.......................................................................................... 18
6.INSTRUMENT RESET ...............................................................................................19
7.INSTRUMENT CONNECTION TO PC .......................................................................19
8.MAINTENANCE .........................................................................................................20
8.1.General............................................................................................................................ 20
8.2.Battery replacement ........................................................................................................ 20
8.3.Instrument cleaning......................................................................................................... 20
8.4.End of life ........................................................................................................................ 20
9.TECHNICAL SPECIFICATIONS ................................................................................21
9.1.Technical features........................................................................................................... 21
9.1.1.Reference standards.............................................................................................................. 22
9.1.2.General features .................................................................................................................... 22
9.2.Environment .................................................................................................................... 22
9.2.1.Operating environmental conditions ...................................................................................... 22
9.3.Accessories..................................................................................................................... 22
9.3.1.Standard and optional accessories GEO416......................................................................... 22
9.3.2.Standard accessories GEO416GS ........................................................................................ 22
10.SERVICE....................................................................................................................23
10.1.Warranty terms................................................................................................................ 23
10.2.After-sales service........................................................................................................... 23
11.PRACTICAL REPORTS FOR ELECTRICAL TESTS .................................................24
11.1.Earth resistance in tt systems ......................................................................................... 24
11.2.Earth resistance, voltaamperemetric method.................................................................. 25
11.2.1.Creating cables extensions.................................................................................................... 25
11.2.2.Method for small-sized earth rods.......................................................................................... 25
11.2.3.Method for large-sized earth rods.......................................................................................... 25
11.3.Ground resistivity............................................................................................................. 26
11.3.1.Approximate evaluation of intentional rods' contribution ....................................................... 27