54 UMFLUXUS_G6V4-2EN, 2011-03-29
FLUXUS G60x 8 Mounting the Transducers
8 Mounting the Transducers
• Before you start this chapter, read and follow the instruction in chapter 11.
The transducers will be fixed to the pipe by means of the supplied transducer mounting
fixture.
8.1 Preparation of the Pipe Surface
• Mount the damping mats (see section 8.2).
• Use coupling foil (only if damping mats are not installed) or apply a bead of acoustic
coupling compound along the center line onto the contact surface of the transducer.
• Observe that there must be no air pockets between the transducer contact surface,
damping mat and the pipe wall.
• Make sure that the transducer mounting fixture applies the necessary pressure on the
transducers.
8.2 Mounting of the Damping Mats
Before the transducers are mounted, damping mats will be installed. The damping mats
reduce propagation of acoustic noise in the pipe wall.
• Select the measuring point according to the recommendations in chapter 5.
• Clean the pipe at the selected measuring point:
- If present, the paint layer must be smoothed by sanding. The paint does not need to
be removed completely.
- Remove rust or loose paint.
- Remove grease or dust. Clean the pipe surface with soap sud.
• Select the type and the size of the damping mat (see annex B, sectionTechnical Data).
• Select the installation instructions that correspond to the supplied damping mat (see
section 8.2.1 or 8.2.2).
Attention! Observe the Safety Instructions for the Use in Explosive Atmo-
sphere (see document SIFLUXUS_608).
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