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4620
AEMC 4620 User Manual
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AEMC 4620 User Manual
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Table of content
Contents
Table Of Contents
Table Of Contents
INTRODUCTION
International Electrical Symbols
Ordering Information
Kits, Accessories and Replacement Parts
PRODUCT FEATURES
Fault Indicator LEDs
Buzzer
SPECIFICATIONS
Mechanical
Environmental
GROUNDING THEORY
Factors Affecting Soil Resistivity
Effect of Ground Rod Depth on Resistance
Ground Resistance Values
Ground Resistance Testing Principle
Measuring Resistance of Ground Electrodes
Auxiliary Electrode Spacing
OPERATION
Continuity Measurement
Types of Resistivity Measurements
Soil Resistivity Measurement Procedure (4-Point)
MAINTENANCE
Power Supply
Replacing the Safety Fuse
Repair and Calibration
Limited Warranty
Digital Ground Resistance Tester Model 4620 and
Digital Ground Resistance Tester Model 4620 and 4630
43
Notes:
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This manual is suitable for:
4620
4630
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