Geokon 4425, Инструкция по эксплуатации, Страница: 9 / 27

3
add 30 mm (1.2") to account for the distance the rod penetrates the Swagelok fittings. This is
the nominal rod length that will be required.
Range:
12 mm
0.50 inches
25 mm
1 inch
50 mm
2 inches
100 mm
4 inches
150 mm
6 inches
Convergence Meter Length
(Including Swagelok
eyehook assembly):
710 mm
28"
710 mm
28"
865 mm
34"
1195 mm
47"
1615 mm
63.5"
Table 1 - Convergence Meter Length
6) Next, the connecting rods must be assembled. Connect the first length of connecting rod to
the sensor using the Swagelok fitting. Push the rod into the fitting until it hits the stop.
Tighten the Swagelok connector according to the instructions in Appendix C. Connect the
second and successive rods using the Swagelok fittings as described above.
7) Connect the Swagelok eyehook to one end of the rods and the convergence meter to the
other.
8) Hook the eyehook end into the installed eyebolt first.
9) Hook the convergence meter into the other eyebolt. It should go in without having to extend
the convergence meter spring.
Remember that if the spring is extended beyond the range
of the transducer the transducer could be damaged.
Tunnel Cross Section
Convergence Meter Connecting Rod
Eyebolt Anchor Eyebolt Anchor
Figure 3 - Model 4425 Convergence Meter Installation