Gossen MetraWatt GEOHM C Manual De Instrucciones página 40

Contents
1 Applications .....................................................................................5
2 Safety Features and Precautions ....................................................6
3 Terminology ....................................................................................7
4 Initial Start-Up .................................................................................8
4.1 Switching the Instrument On and Off ................................................................8
4.2 Battery Test ....................................................................................................8
4.3 Installing and Replacing Batteries .....................................................................8
4.4 Additional User Interface Languages ................................................................8
4.5 Selecting Menus and Configuring Basic Settings ..............................................9
4.6 Downloading a Software Update, Managing Report Data .................................12
5 Operation .......................................................................................15
5.1 Display Functions ..........................................................................................15
5.2 Online Help ...................................................................................................15
5.3 Voltage Measurement ...................................................................................16
5.4 Earth Resistance Measurements in General ....................................................16
5.4.1 Configuring the Measuring Range - RANGE Function ......................................17
5.4.2 Setting a Limit Value - LIMIT Function ...........................................................18
5.5 Measuring Earthing Resistance ......................................................................18
5.5.1 Measuring Circuit Setup, Measuring Instructions .............................................18
5.6 Measuring Soil Resistivity ..............................................................................22
5.6.1 Geologic Surveys ..........................................................................................22
5.6.2 Calculating Dissemination Resistance ............................................................23
5.7 Measuring Ohmic Resistance ........................................................................24
5.7.1 2-Wire Connection ........................................................................................24
5.7.2 4-Wire Connection ........................................................................................24
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Contents
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6 Database Function ........................................................................25
6.1 Creating a Data Record - Data Function ........................................................ 25
6.2 Saving Measured Values to Memory - STORE Function .................................. 26
6.3 Querying Data Records - View Function ......................................................... 27
6.3.1 Deleting a Data Record from within a Memory Address - View Function .......... 27
6.3.2 Deleting a Memory Address - Data Function .................................................. 27
6.3.3 Delete All Memory Addresses - Data Function ............................................... 28
6.4 Print Function ............................................................................................... 28
7 Characteristic Values ...................................................................29
8 Maintenance .................................................................................31
8.1 Housing ....................................................................................................... 31
8.2 Battery Operation ......................................................................................... 31
8.3 Fuses .......................................................................................................... 32
8.4 Recalibration ................................................................................................ 32
9 Repair and Replacement Parts Service,
DKD Calibration Center* and Rental Instrument Service ...............33
10 Product Support ............................................................................33
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