Chapter 2. Installation
10 AT600 User’s Manual
2.4.2a Dual Traverse Installation at Transducer Spacing Range 0 to 250mm (cont.)
Figure 12: Transducer Spacing Adjustment
Note: Two traverse (or two transducers in the same fixture) is the standard configuration. See the other configuration
method below for fixture assembly procedure.
Note: If there is a coating or protection layer on the pipe, remove the coating layer on the pipe at first by rasping to
expose the pipe material, where it is in contact with the transducer and couplant.
2.4.2b Dual Traverse Installation at Transducer Spacing Range 250 to 750mm
When transducer spacing range is from 250 to 750mm, another fixture is needed for larger transducer spacing; see
Figure 13 below for dual traverse installation guidance at transducer spacing range 250 to 750mm.
1. Install four straps onto the pipe with about 30 cm/1 ft apart from each other.
2. Put one clamp-on fixture with two transducers and one cable onto pipe and move straps onto sides of fixture,
then tighten screw on straps and validate strapping stays within sides of fixture.
3. Put the second blank clamp-on fixture onto the pipe and connect the two fixtures through the bar on left side of
the second fixture, then repeat step 2 to move the straps and tighten the second fixture.
Note: Be sure the bar on the left side of the second fixture is in close contact with the bar on the first fixture.
Figure 13: Dual Traverse Installation at Transducer Spacing Range 250 to 750mm
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