34
7.3.3.1
Disassembly of Variofix L
• Disassemble the transducer mounting fixture Variofix L (see Fig. 7.9).
7.3.3.2
Fixing the clasps to the tension straps
Select the installation instructions that correspond to the supplied clasp:
Band clamp clasp
The clasp is fixed to the tension strap (see Fig. 7.10).
Quick release clasp
The clasp is fixed to the tension strap (see Fig. 7.11).
• Cut the tension straps to length (pipe circumf at least 120 mm).
Tab. 7.1: Approximate values for the mounting of a Variofix L
transducer frequency
(third character of the technical type)
length of the rail
[mm]
length of the transducer
[mm]
Q
176
< 69
M, P
234
< 84 (Lamb wave transducers)
< 100 (shear wave transducers)
G, H, K (all but ****LI*)
348
< 89
F, G, H, K (only ****LI*)
368
< 94
Fig. 7.9: Disassembly of Variofix L
Fig. 7.10: Band clamp clasp with tension strap
Fig. 7.11: Quick release clasp with tension strap
cover
rail
tension strap clamp
nut
screw
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