ABEM Terrameter SAS 1000 / SAS 4000
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3.5 ACQUISITION TIMER 23
4 POWER SUPPLY 24
4.1 BATTERY PACK 24
Safety precautions 24
4.2 EXTERNAL 12 V BATTERY ADAPTER 25
5 ELECTRODES AND CABLES 26
5.1 ELECTRODES 26
5.1.1 STEEL ELECTRODES 26
5.1.2 NON-POLARISABLE ELECTRODES 26
5.1.3 IMPORTANT REMARKS CONCERNING CURRENT ELECTRODES 27
5.2 CABLE SETS 28
6 LUND IMAGING SYSTEM 29
6.1 INTRODUCTION 29
6.1.1 WELCOME TO 2D AND 3D RESISTIVITY SURVEYING 29
6.1.2 POWERFUL FEATURES 30
6.1.3 ELECTRODE SELECTOR / LUND IMAGING SYSTEM 31
6.2 DATA ACQUISITION PROCEDURE 32
6.2.1 PREPARATIONS FOR FIELD SURVEYING 32
6.2.2 ESSENTIAL EQUIPMENT 32
6.2.3 RECOMMENDED ADDITIONAL EQUIPMENT 33
6.2.4 FIELD PROCEDURE FOR 2D ELECTRICAL IMAGING 33
6.2.5 USING THE LUND IMAGING SYSTEM SOFTWARE 37
6.2.6 ELECTRODE TEST 40
6.2.7 SPEED UP THE FIELD PROCEDURE 41
6.2.8 DATA COVER 42
6.2.9 AREA COVER / 3D ROLL-ALONG 43
6.2.10 3D RESISTIVITY SURVEYING BY MEANS OF A NUMBER OF 2D LAYOUTS 43
6.2.11 BOREHOLE MEASUREMENTS 44
6.2.12 POSSIBLE SOURCES OF ERROR 45
6.2.13 THE ALARM CONNECTOR 46
7 TERRAMETER SAS LOG 300 47
7.1 CONTROLS, TERMINALS AND LOGGING CABLE 47
7.2 OPERATING THE LOGGING SYSTEM 48
7.3 TEMPERATURE & SP LOGGING 50