Transcription of 1. Soil Resistivity Testing
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1. Soil Resistivity Testing
Earthing Techniques 1. soil Resistivity THEORY OF soil MAKING A MEASUREMENT .. 4 soil Resistivity Testing PROCEDURE GUIDELINES .. (a) Test (b) Selection of Test Method Type .. (c) Traverse Locations.. (d) Spacing (e) Practical Testing 10 2. INTERPRETATION AND MODELLING OF RESULT ..11 APPARENT Resistivity CALCULATION .. 11 INTERPRETATION OF Resistivity 12 3. HOW TO DESIGN A LIGHTNING EARTH SYSTEM ..14 TYPES OF EARTH ELECTRODES .. 14 COMMON EARTHING SYSTEMS .. 14 EARTH RESISTANCE OF AN ELECTRODE - CALCULATION.
Earthing Fundamentals Lightning & Surge Technologies Table 1-1 to Table 1-3 show how typical values alter with changes in soil, moisture and temperature.
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