AEMC 4620 User Manual
Also see for 4620: User manual
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Contents
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2 Digital Ground Resistance Tester Model 4620 and 46304.4 Measuring Resistance of Ground Electrodes ........................264.4.1 Auxiliary Electrode Spacing ........................................284.5 Multiple Electrode System ......................................................285. OPERATION ..................................................................................... 305.1 Ground Resistance Measurement Procedure .......................305.2 2-Point Measurement (Simplified Measurement) ...................315.3 Continuity Measurement .........................................................325.4 Soil Resistivity Measurements ................................................325.4.1 Purposes of Soil Resistivity ........................................325.4.2 Types of Resistivity Measurements ............................335.5 Soil Resistivity Measurement Procedure (4-Point) .................345.6 How to Use 25Ω Calibration Checker (accessory) ................366. MAINTENANCE................................................................................ 376.1 Warning ..................................................................................376.2 Disassembly ...........................................................................376.3 Power Supply..........................................................................386.3.1 Testing the Battery ......................................................386.3.2 Replacing the Battery (Model 4620) ...........................396.3.3 Recharging the Battery (Model 4630) .........................396.3.4 Replacing the Safety Fuse ..........................................406.4 Cleaning..................................................................................406.5 Storage ...................................................................................40Repair and Calibration ....................................................................41Technical and Sales Assistance ......................................................41Limited Warranty .............................................................................42Warranty Repairs ............................................................................42 |
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