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Fluke 1625 user manual Users Manual

Models: 1625

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1625

Users Manual

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Contents

1625 Earth/Ground TesterUsers Manual LIMITED WARRANTY AND LIMITATION OF LIABILITY 11/99Table of Contents Title1625 Users ManualDescription of Displays Electrical Measurement Specifications List of TablesModels and Accessories Description of Displays1625 Users ManualList of Figures 1625 Users ManualEarth/Ground Tester Introduction1625 Figure 1 displays the Fluke 1625 Earth/Ground TesterFigure 1. Fluke 1625 Earth/Ground Tester Models and Accessories Models and AccessoriesEarth/Ground Tester Safety Instructions W Warning1625 Unpacking SetupQualified Staff Checking the Scope of DeliveryAdditional Accessories General1625 Assembly AssemblyDescription of Functions Earth/Ground TesterMeasurement of Interference Voltage UST Measurement of Interference Frequency FST1625 Resistance Measurement R~ Measurement of Earthing Resistance RESelective Measurement of Earthing Resistance RE A Low Resistance Measurement RFSpecifications LO-BAT1625 Specifications Earth/Ground Tester1625 Max voltageEarthing Resistance R E Measurement of Interference Voltage DC + AC USTMeasurement of Interference Frequency F ST Specificationscordance with 1625Users Manual Parts ofRH RS + 2000Ω ⋅1.25 ⋅10−6% + 5digits x 100%fiducial value Specifications1625 R H/R E=edw005.eps Specifications Selective Measurement of the Earthing Resistance REARH RS + 2000Ω ⋅1.25 ⋅10−6 % + 5digits Earth/Ground TesterMax. interference current Resistance Measurement R~1625 with a transformerResistance Measurement RF SpecificationsEarth/Ground Tester Compensation of Lead Resistance RK 1625Description of the Operating Elements Earth/Ground TesterDescription of the Operating Elements W Warning W AttentionW Warning 1625Description of Display Elements Earth/Ground TesterDescription of the Operating Elements W Warning Procedure of MeasurementsW Warning 1625b Stand by disable POWER ON FunctionsProcedure of Measurements Earth/Ground TesterOperation 1625e Activation of display illumination SWITCH Procedure of MeasurementsSWITCHOVER Earth/Ground Tester1625 Control LoopSetting Range FunctionEarth/Ground Tester Procedure of Measurementssee Compensation of Earth Electrode Connecting Lead 2pole1625 Measuring LoopChecking of Correct Measuring Connection Socket Alloca- tion Inside the measuring loop parameters cannot be changedProcedure of Measurements Safety Control MeasurementsMeasurement of Interference - Voltages and Frequen- cies Earth/Ground TesterMeasurement of Earthing Resistances 1625Figure 7. Measurement of Interference - Voltages and Frequencies Earth/Ground Tester 3-pole/4-pole Measurement of Earthing ResistanceProcedure of Measurements Figure 8. Earthing Resistances Measurement - MethodRemarks for the setting of earth spikes 1625Earth/Ground Tester Procedure of Measurements3-pole measurement with longer earth electrode connecting leads Time average measurementMesh Operated Earthing Systems Using Selective Clamp Method Measurement of Single Earth Electrode Resistances intr . IZ Earth/Ground Tester 3-pole/4-pole Measurement of Single Earth Electrode Re- sistancesProcedure of Measurements Fix clip-on transformer around the earth electrode to be measuredTime Average Measurement Remarks for the Setting of Earth Spikes3-pole Measurement with Longer Earth Electrode Connect- ing Leads 1625Measurements on High Voltage Pylons Procedure of MeasurementsEarth/Ground Tester R E 1625R E Procedure of MeasurementsNotices for the setting of earth spikes Earth/Ground Tester1625 Correcting Clip-on Transformer ErrorsMeasuring Earthing Impedance with 55 Hz R Time average measurementtrnew = trold ⋅ R E withclip − ontransformerR E withoutclip − onTransfprmer Procedure of Measurementstrnew = 1000 ⋅ 10..175983 = Compensation of Earth Electrode Connecting Lead100% ⋅ 0.192Ω = +19.5% 0.983Ω 1625Measurement of Soil Resistivity Procedure of MeasurementsEarth/Ground Tester ρ E = 2π .a.RE 1625restivity Procedure of MeasurementsEarth/Ground Tester SoilMeasurement of Resistances Resistance Measurement R~1625 W Warning Resistance Measurement RFProcedure of Measurements Earth/Ground Tester1625 Compensation of Measuring Lead ResistanceW Warning Evaluation of measured valueChanging of All Data Settings with Personalized CODE Procedure of MeasurementsEarth/Ground Tester 1625 Users ManualFunction Storing a Code Procedure of MeasurementsEarth/Ground Tester Deleting a Code 1625Earth/Ground Tester Description of DisplaysLO-BAT Description of Displaysedw031.eps 1625Users Manual edw033.epsedw037.eps Earth/Ground TesterDescription of Displays edw038.epscompensa 1625Users Manual age measDescription of Displays No reactions to button control etcEarth/Ground Tester edw046.eps1625 Care and Maintenanceservice Users ManualReplacing Batteries Care and MaintenanceEarth/Ground Tester Service RecalibrationStorage 1625Introduction Stakeless Earth/Ground Resistance TestingAppendix A Stakeless Earth/Ground Resistance Testing3 pole Order No. EI-1625 Specifications1625 Developed, designed and manufactured toStakeless Earth/Ground Resistance Testing Principle of OperationPurpose Principle of OperationSource = R X +1625 Users ManualStakeless Earth/Ground Resistance Testing Principle of OperationOperation 1625Use only current transformers referred to in this manual Principle of Operation Settings on the TesterStakeless Earth/Ground Resistance Testing In this particular mode the values of RH and RS have no meaningApplications 1625Lightning Protection Stakeless Earth/Ground Resistance TestingPrinciple of Operation Footing groundDescription of Displays 1625Users Manual Stakeless Earth/Ground Resistance Testing Principle of Operationedw069.eps Earthing Resistance Appendix BIntroduction Earthing Resistance Principle of Operationfor concrete mixtures 1 7 the values have to be increased by 24 % Soil Resistivity ρE 1625A = 1 m July Earthing ResistancePrinciple of Operation monthMeasuring Method 1625The Potential Gradient Area Earthing ResistancePrinciple of Operation 1625 Earth Impedance R* on High Voltage Transmission Lines Earthing ResistancePrinciple of Operation 1625 Users Manual