| 摘要 |
The transducers in a transit time clamp-on flowmeter are positioned relative to one another by abutting against pin stops located in selected openings of one or more rows of openings extending longitudinally along the pipe axis. A block of sound-absorbing material is fixed to the conduit surface between the spaced transducers and tends to absorb sound energy flowing in the pipe wall between the transducers and substantially improves the signal-to-noise ratio of the system.
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