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LEM SATURN GEO X User Manual

LEM SATURN GEO X
66 pages
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Operating Instructions
EARTH GROUND TESTER
SATURN GEO X
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LEM SATURN GEO X Specifications

General IconGeneral
BrandLEM
ModelSATURN GEO X
CategoryTest Equipment
LanguageEnglish

Summary

Safety Instructions

First Setup

General Information

Assembly

Description of Functions

Interference Voltage and Frequency Measurement

Measures interference voltage (UST) and frequency (FST), active before earthing/resistance measurements.

Earthing Resistance Measurement (RE)

Measures earthing resistance using 3- or 4-pole methods with AC voltage and selectable frequencies.

Resistance Measurement Types (R~, R =)

Covers 2-pole AC resistance (R~) and DC resistance (R=) measurements.

Connection Checks, Beeper, and Battery Status

Details connection checks, beeper functions, and low battery indication (LO-BAT).

Technical Data

Description of Operating Elements

Description of Display Elements

Display Symbols and Interpretation

Explains various display symbols for measuring functions, units, and status.

Procedure of Measurements

General Operation and Power On Functions

Covers initial setup, standard mode, standby, and display test options.

Operation Modes and Settings

Details instrument operation modes and accessing software/calibration data.

Measuring Connection and Safety Checks

Automatic checks for correct wiring, safety conditions, and error prevention.

Interference Voltage and Frequency Measurement

Detects and measures interference voltages and their frequencies using the specific function.

Earthing Resistance Measurement Procedures

Covers 3-pole/4-pole measurement, including special functions and frequency selection.

Single Earth Electrode Resistance in Mesh Systems

Measures individual earth electrode resistance in mesh systems using a clip-on transformer.

High Voltage Pylon Earthing Measurements

Measures earthing resistance on high voltage pylons without disengaging overhead earth wire.

Clip-on Transformer Error Correction

Corrects measurement deviations due to clip-on transformer tolerances by adjusting the ratio.

Connecting Lead Resistance Compensation

Compensates for the resistance of connecting leads to ensure accurate measurements.

Soil Resistivity Measurement (Wenner Method)

Measures soil resistivity using the Wenner method with four earth spikes and calculates ρE.

AC Resistance Measurement (R~)

Measures ohmic resistance (0.001 Ω to 300 kΩ) using AC voltage.

DC Resistance Measurement (R =)

Measures resistance (0.001 Ω to 3 kΩ) using DC voltage with automatic polarity reversal.

Personalized Code for Data Settings

Allows programming and memorizing settings using a personalized code for custom configurations.

Description of Displays

Display Indicators and Status Conditions

Explains display states like standby, low battery, dangerous voltage, and interface operation.

Care and Maintenance

Battery Maintenance (Recharging & Replacing)

Covers procedures for recharging NiCad batteries and replacing standard batteries.

Recalibration and Storage Guidelines

Provides recommendations for periodic recalibration and proper instrument storage.

Service

Warranty and Contact Information

Details the product's warranty period and how to contact service centers for complaints.

Basic Appendix

Earthing Resistance Principles and Factors

Defines earthing resistance components and soil resistivity's impact on dissipation resistance.

Soil Resistivity Definition and Measurement

Defines soil resistivity (ρE) and its dependence on material and seasonal changes.

Measuring Method for Earthing Resistance

Describes the current-voltage measurement method using an AC generator and probes.

Potential Gradient Area Concepts

Explains the potential gradient area around an earth electrode and its relationship to soil conductivity.

Influence of Gradient Areas on Measurement Accuracy

Discusses how probe placement in gradient areas affects measurement results and accuracy.

Earth Impedance Measurement on High Voltage Lines

Details the measurement of earth impedance on transmission lines using a specific frequency for accuracy.

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