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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 1625a Standard mode POWER ON FunctionsProcedure of Measurements b Stand by disableOperation 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 In this particular mode the values of RH and RS have no meaning Settings on the TesterStakeless Earth/Ground Resistance Testing Principle of OperationApplications 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