Users’ Manual
EDS-71V/P Single point borehole extensometer
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3.3.27 Replace cover (19) over guide plate (6).
NOTE:
Model EDS-71V/P BHE can be used as a mechanical system in case electronic measurement
is not required. In such a case, BHE is installed without the electronic sensor. Later on, in
case in some of the installations continuous monitoring is required, the electronic sensor can
be installed at a later date.
3.4 Tools & accessories required for installation
The following tools and accessories are required for proper installation of the multi position borehole
extensometer:
3.4.1 Soldering iron 25 watt
3.4.2 Rosin 63/37 solder wire
3.4.3 Thread sealant (Loctite 290 or equivalent)
3.4.4 Cable jointing compound
3.4.5 Acetone (commercial)
3.4.6 Spanner 6, 8, 10, 18, 21,22,24, 30 and 25
3.4.7 Allen key 2, 4
3.4.8 Screw driver (tip size 6 x 0.8 and 3 x 0.5 mm)
3.4.9 Phillips head screw driver (tip size 2 mm)
3.4.10 Hacksaw with 150 mm blades
3.4.11 Cable cutter
3.4.12 Wire stripper
3.4.13 Insulated pliers 165 mm
3.4.14 150 mm flat file
3.4.15 Toothbrush
3.4.16 Wire brush
3.4.17 Cloth for cleaning (lint less)
3.4.18 Cello tape/Insulation tape
3.4.19 Micrometer depth gage 100 mm range
3.4.20 Digital indicator model EDI-51V
3.4.21 Digital multi-meter
