Gossen Metrawatt GEOHM PRO Bruksanvisning
Gossen Metrawatt
Mätutrustning
GEOHM PRO
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Sida 1/49

Operating Instructions
GEOHM PRO and XTRA
Earth Tester (without/with GPS)
3-349-915-03
2/4.17

2 -I Messtechnik GmbHGMC
Table of Contents
1 Safety............................................................................................................................................... 4
2 Menu ................................................................................................................................................ 5
2.1 Data transmission ......................................................................................................................... 5
2.2 Measurement Settings .................................................................................................................. 5
2.2.1 Line Frequency ............................................................................................................................. 5
2.2.2 Calibrating C-3 Clamp Meters (Z592X) ........................................................................................ 6
2.3 Measuring Instrument Settings ..................................................................................................... 7
2.3.1 LCD Contrast ................................................................................................................................ 7
2.3.2 LCD Illumination ........................................................................................................................... 8
2.3.3 AUTO - OFF Settings ..................................................................................................................... 8
2.3.4 Settings Display ............................................................................................................................ 8
2.3.5 Date and Time .............................................................................................................................. 8
2.3.6 Discharging the Rechargeable Batteries ...................................................................................... 9
2.4 Language Selection ...................................................................................................................... 9
2.5 Information Concerning the Manufacturer .................................................................................... 9
3 Measurements .............................................................................................................................. 10
3.1 Continuity Measurement at Protective Conductors and Equalizing Leads (2-pole) ................... 10
3.2 Calibrating the Measurement Cables ......................................................................................... 11
3.2.1 Activating Automatic Zeroing ...................................................................................................... 11
3.2.2 Deactivating Automatic Zeroing .................................................................................................. 12
3.3 3-Pole Measurement .................................................................................................................. 12
3.4 4-Pole Measurement .................................................................................................................. 15
3.5 3-Pole + Clamp Meter Measurement ......................................................................................... 18
3.6 Measurement with Two Clamp Meters (Z592X/Y) ..................................................................... 21
3.7 4- Pole Measurement (according to the pulse method) ............................................................ 22
3.8 Current Measurement ................................................................................................................. 26
3.9 Measuring Soil Resistivity ........................................................................................................... 27
4 Memory.......................................................................................................................................... 30
4.1 Saving Measurement Results ..................................................................................................... 30
4.2 Clearing Memory ........................................................................................................................ 31
4.3 Scrolling Through the Memory ................................................................................................... 32
5 Data transmission ........................................................................................................................ 33
5.1 Features Package for Working in Combination with a Computer .............................................. 33
5.2 Data Transmission via USB ........................................................................................................ 33
5.3 GPS Settings .............................................................................................................................. 33
6 Measuring Instrument Power Supply ......................................................................................... 34
6.1 Monitoring Supply Voltage .......................................................................................................... 34
6.2 Recharging the Battery Operation with the Charger– ............................................................... 34
6.3 Changing the Fuse ..................................................................................................................... 35
6.4 Charging the Batteries ................................................................................................................ 36
6.5 Discharging the Rechargeable Batteries .................................................................................... 37
6.6 General Rules for the Use of Rechargeable Nickel Metal Hydride Batteries (NiMH) ................ 37

-I Messtechnik GmbH 3 GMC
7 Cleaning and Maintenance .......................................................................................................... 38
8 Storage .......................................................................................................................................... 38
9 Dismantling and Disposal............................................................................................................ 38
10 Technical Data .............................................................................................................................. 39
10.1 Primary Technical Data .............................................................................................................. 39
10.2 Additional Data ........................................................................................................................... 41
10.2.1 Influence of Series Interference Voltage on Resistance Measurement for the
- - -Functions 3 Pole, 4 Pole and 3 Pole + Clamp Meters ............................................................... 41
10.2.2 Influence of Series Interference Voltage on Resistance Measurement for the ρ Function ....... 42
10.2.3 Influence of the Auxiliary Electrodes on Earthing Resistance Measurement for
- - -the Functions 3 Pole, 4 Pole and 3 Pole + Clamp Meters ......................................................... 42
10.2.4 Influence of the Auxiliary Electrodes on Earthing Resistance Measurement for the
ρ Function ................................................................................................................................... 42
10.2.5 Influence of the Auxiliary Electrodes on Earthing Resistance Measurement According
to the Pulse Method .................................................................................................................... 42
10.2.6 Influence of Interference Current on the Measurement Results for Earthing
-Resistance, 3 Pole + Current Clamp .......................................................................................... 42
10.2.7 Influence of Interference Current on the Measurement Results for Earth Resistance
with the Help of Two Clamp Meters ............................................................................................ 43
10.2.8 Influence of the Relationship of Resistance Measured with the Clamp Meters
at Branches with Multiple Earthing to the Resultant Resistance (3 pole + clamp meters)- ....... 43
10.2.9 Additional Measuring Uncertainty per IEC 4 (2 61557- - pole)...................................................... 43
10.2.10 Additional Measuring Uncertainty per IEC 61557 5 -
- -(3 pole, 4 pole, 3 clamp meters)-pole + .............................................................................. 43
11 Instrument Reset (default settings) ............................................................................................ 44
12 Scope of Delivery ......................................................................................................................... 44
13 Repair and Replacement Parts Service, Calibration Center and Rental Instrument Service 44
14 Product Support ........................................................................................................................... 44
Produktspecifikationer
Varumärke: | Gossen Metrawatt |
Kategori: | Mätutrustning |
Modell: | GEOHM PRO |
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