Users’ Manual
EDS-71V/P Single point borehole extensometer
Page
|
5
Adaptor cum guide plate
6
Rubber bush
Allen head screw, M5x12
Hollow bolt
Long hollow bolt
Grub screw, M4x8
11
12
10
8.a
9
7
Washer
Vent tube
Connecting rod
Grout tube
Flanged housing
Description
Item
4
5
3
1
2
Anchor
Displacement sensor
Expandable anchor
Junction box assembly
Reference button
Reference plate
Sensor lock nut
Sensor tightening nut
Link plate
Center pillar
17
19
18
21
23
20
Cover
16
15
14
13
22
Nipple with chuck nut
Grub screw, M4x5
8.b
Figure 2.1 - Single point BHE
reference head assembly
Figure 2.2 - Single point BHE
detailed assembly
18
15
16
17
1
V
G
PLAN (without cover)
22
23
3, 4
20
Grout
1
2
Ø50
21
Displacement
100 mm
50 mm
A
378
248
B
225
185
150 mm
510
285
Ø65
Ø130
Ø52
A
B
12
11
10
5
6
a plastic bag
Wrapped in
15,16
17,18
24 &
25
8.a
8.b
13
19
14
7
9
