Appendix C
A-66
4.4.2 W METHOD
In many instances, flowmeter performance on small metallic pipes with outer diameters of
2 inches (51 millimeters) or less can be improved by using the W mounting method
(Figure 4-5). With the W method, the sound wave traverses the fluid four times and
bounces three times off the pipe walls. Like the V method, both transducers are mounted
on the same side of the pipe. To mount the transducers with the W method, follow the
procedures for spacing and mounting the transducers in Section 4.2. Ensure that the
W method is selected during the configuration step.
Figure 4-5 Mounting the Transducers with the W Method
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