GE CModel C-RS Installation Manual page 33

6.2 The Single-Traverse Method -GCF (cont.)
6. From one of the marks, measure around the circumference of the pipe a distance equal to 1/4 of the pipe
circumference. Make a crossmark at this point.
7. From the second mark on the top of the pipe, measure in the opposite direction around the pipe for 1/4 of the
circumference. Make another crossmark at this point.
C-RS Ultrasonic Flow Transducer Installation Guide
Spacing
Crossmark
Top View
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