ENCARDIO RITE EDS-71P, User Manual

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Users’ Manual EDS-71V/P Single point borehole extensometer
www.encardio.com
Contents
1 INTRODUCTION 1
1.1 Applications 1
1.2 Measurement method 1
1.3 Conventions used in this manual 2
1.4 How to use this manual 2
2 BOREHOLE EXTENSOMETER (BHE) 4
2.1 General Description 4
2.1.1 Reference head assembly 4
2.1.2 Displacement sensor 4
2.1.3 Connecting rod assembly 6
2.1.4 Anchor 7
2.2 Accessories 8
2.2.1 Junction box 8
2.2.2 Cable 8
3 INSTALLATION OF SINGLE POINT BOREHOLE EXTENSOMETER 9
3.1 Site preparation before installation 9
3.2 Check sensor before installation 9
3.3 Procedure 12
3.4 Tools & accessories required for installation 17