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5.3a The Double-Traverse Method - GCF (cont.)
The procedure for mounting the GCF involves marking the pipe for the desired spacing, fastening the clamping fixture
on the pipe and then mounting the transducers into the fixture.
You will need a level and a marker or scribe to locate and mark the transducer locations on the pipe.
1. Obtain the transducer spacing dimension S, as described in the programming section of the Startup Guide.
2. Be sure the location you have chosen for the installation has at least 10 pipe diameters of straight, undisturbed flow
upstream and 5 pipe diameters downstream of the measurement point.
3. Prepare the pipe where you intend to place the clamping fixture by making sure it is clean and free of loose
material. Sanding, though usually not required, may be necessary to take off any high spots. Be careful to preserve
the original curvature of the pipe.
4. Find the top of the pipe and use a level to draw a line parallel to the pipe's axis.
20
Line
Top of Pipe
Side View
C-PT Ultrasonic Flow Transducer Installation Guide
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