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Fluke 1625 user manual Operation, Use only current transformers referred to in this manual

Models: 1625

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1625

Users Manual

Operation

Connect the adapter according to the diagram and the designations E, S and H (C1, P1 and P2 for US-version) to the tester and to a current clamp.

	1625 EARTH / GROUND TESTER
START			H/C2
TEST
DISPLAY			S/P2
MENU			S/P2
		AC
	Earth/Ground Resistance 300 k	Resistance	DC Low Resistance 3k
	Earth/Ground Resistance 300 k	300 k	DC Low Resistance 3k
	RA	R	R
	4 POLE	2 POLE
	4 POLE		2 POLE
	3 POLE		2 POLE
	4 POLE		4 POLE
CHANGE	3 POLE		ES/P1
ITEM	3 POLE
	OFF
SELECT			E/C1

Black

EI-162AC

Red

EI-162X

edw063.eps

Use the test cable contained in the set to connect the second current clamp to the socket. Ensure that connections are in the correct polarity. Turn the rotary switch of the tester to position RE D3 pole.

Note

Use only current transformers referred to in this manual.

Clamp both transformers around the ground conductor to be tested.

Note

Try to have a distance > 10 cm between the clamps for optimal re- sults.

Page 76

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Fluke 1625 user manual Operation, Use only current transformers referred to in this manual

Contents

Earth/Ground Tester 1625Users Manual LIMITED WARRANTY AND LIMITATION OF LIABILITY 11/99Table of Contents TitleUsers Manual 1625Description of Displays List of Tables Models and AccessoriesElectrical Measurement Specifications Description of Displays1625 Users ManualList of Figures 1625 Users ManualEarth/Ground Tester IntroductionFigure 1 displays the Fluke 1625 Earth/Ground Tester 1625Figure 1. Fluke 1625 Earth/Ground Tester Models and Accessories Models and AccessoriesEarth/Ground Tester W Warning Safety Instructions1625 Setup Qualified StaffUnpacking Checking the Scope of DeliveryGeneral Additional Accessories1625 Assembly Description of FunctionsAssembly Earth/Ground TesterMeasurement of Interference Frequency FST Measurement of Interference Voltage UST1625 Measurement of Earthing Resistance RE Selective Measurement of Earthing Resistance RE AResistance Measurement R~ Low Resistance Measurement RFLO-BAT Specifications1625 Specifications Earth/Ground Tester1625 Max voltageMeasurement of Interference Voltage DC + AC UST Measurement of Interference Frequency F STEarthing Resistance R E Specifications1625 Users Manualcordance with Parts ofx 100% fiducial valueRH RS + 2000Ω ⋅1.25 ⋅10−6% + 5digits SpecificationsR H/R E= 1625edw005.eps Selective Measurement of the Earthing Resistance REA RH RS + 2000Ω ⋅1.25 ⋅10−6 % + 5digitsSpecifications Earth/Ground TesterResistance Measurement R~ 1625Max. interference current with a transformerSpecifications Resistance Measurement RFEarth/Ground Tester Compensation of Lead Resistance RK 1625Earth/Ground Tester Description of the Operating ElementsDescription of the Operating Elements W Attention W WarningW Warning 1625Earth/Ground Tester Description of Display ElementsDescription of the Operating Elements Procedure of Measurements W WarningW Warning 1625POWER ON Functions Procedure of Measurementsa Standard mode b Stand by disable1625 Operatione Activation of display illumination Procedure of Measurements SWITCHOVERSWITCH Earth/Ground TesterControl Loop Setting Range1625 FunctionProcedure of Measurements see Compensation of Earth Electrode Connecting LeadEarth/Ground Tester 2poleMeasuring Loop Checking of Correct Measuring Connection Socket Alloca- tion1625 Inside the measuring loop parameters cannot be changedSafety Control Measurements Measurement of Interference - Voltages and Frequen- ciesProcedure of Measurements Earth/Ground Tester1625 Measurement of Earthing ResistancesFigure 7. Measurement of Interference - Voltages and Frequencies 3-pole/4-pole Measurement of Earthing Resistance Procedure of MeasurementsEarth/Ground Tester Figure 8. Earthing Resistances Measurement - MethodRemarks for the setting of earth spikes 1625Procedure of Measurements 3-pole measurement with longer earth electrode connecting leadsEarth/Ground Tester Time average measurementMeasurement of Single Earth Electrode Resistances in Mesh Operated Earthing Systems Using Selective Clamp Methodtr . IZ 3-pole/4-pole Measurement of Single Earth Electrode Re- sistances Procedure of MeasurementsEarth/Ground Tester Fix clip-on transformer around the earth electrode to be measuredRemarks for the Setting of Earth Spikes 3-pole Measurement with Longer Earth Electrode Connect- ing LeadsTime Average Measurement 1625Procedure of Measurements Measurements on High Voltage PylonsEarth/Ground Tester R E 1625Procedure of Measurements Notices for the setting of earth spikesR E Earth/Ground TesterCorrecting Clip-on Transformer Errors Measuring Earthing Impedance with 55 Hz R1625 Time average measurementR E withclip − ontransformer R E withoutclip − onTransfprmertrnew = trold ⋅ Procedure of MeasurementsCompensation of Earth Electrode Connecting Lead 100% ⋅ 0.192Ω = +19.5% 0.983Ωtrnew = 1000 ⋅ 10..175983 = 1625Procedure of Measurements Measurement of Soil ResistivityEarth/Ground Tester ρ E = 2π .a.RE 1625Procedure of Measurements Earth/Ground Testerrestivity SoilResistance Measurement R~ Measurement of Resistances1625 Resistance Measurement RF Procedure of MeasurementsW Warning Earth/Ground TesterCompensation of Measuring Lead Resistance W Warning1625 Evaluation of measured valueProcedure of Measurements Changing of All Data Settings with Personalized CODEEarth/Ground Tester Users Manual 1625Function Procedure of Measurements Storing a CodeEarth/Ground Tester Deleting a Code 1625Description of Displays LO-BATEarth/Ground Tester Description of Displays1625 Users Manualedw031.eps edw033.epsEarth/Ground Tester Description of Displaysedw037.eps edw038.eps1625 Users Manualcompensa age measNo reactions to button control etc Earth/Ground TesterDescription of Displays edw046.epsCare and Maintenance service1625 Users ManualCare and Maintenance Replacing BatteriesEarth/Ground Tester Recalibration StorageService 1625Stakeless Earth/Ground Resistance Testing Appendix AIntroduction Stakeless Earth/Ground Resistance TestingSpecifications 16253 pole Order No. EI-1625 Developed, designed and manufactured toPrinciple of Operation PurposeStakeless Earth/Ground Resistance Testing Principle of Operation= R X + 1625Source Users ManualStakeless Earth/Ground Resistance Testing Principle of Operation1625 OperationUse only current transformers referred to in this manual Settings on the Tester Stakeless Earth/Ground Resistance TestingIn this particular mode the values of RH and RS have no meaning Principle of OperationApplications 1625Stakeless Earth/Ground Resistance Testing Principle of OperationLightning Protection Footing ground1625 Description of DisplaysUsers Manual Principle of Operation Stakeless Earth/Ground Resistance Testingedw069.eps Appendix B Earthing ResistanceIntroduction Principle of Operation Earthing Resistancefor concrete mixtures 1 7 the values have to be increased by 24 % 1625 Soil Resistivity ρEA = 1 m Earthing Resistance Principle of OperationJuly monthMeasuring Method 1625Earthing Resistance The Potential Gradient AreaPrinciple of Operation 1625 Earthing Resistance Earth Impedance R* on High Voltage Transmission LinesPrinciple of Operation 1625 Users Manual