Dynasonics TFXM Series Ultrasonic Multi-Channel Flow Meter - Manual (Page 17)

Rev. 8/02
- 2.2 - TFXM
sides of the pipe and the sound crosses the pipe once.
See Figures 2.1-2.3. This selection is based on pipe and liquid
characteristics. The flowmeter operates by alternately
transmitting and receiving a frequency modulated burst of
sound energy between the two transducers and measuring the
time interval that it takes for sound to travel between the two
Table 2.1
1
1 The TFXM system will provide repeatable measurements on piping systems that do not meet these
requirements, but the accuracy of these readings may be influenced to various degrees.
PART 2 - TRANSDUCER POSITIONING