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6. Installing C-PT Transducers for the TransFlection Method
Before making measurements using the TransFlection method, you must install the transducers properly. Like transit
time measurement, TransFlection requires two transducers. The transducers are mounted on the pipe using a
TransFlection Mode Clamping Fixture (TMCF) that is clamped around the pipe with a chain or strap. Since the TMCF
can be used to install transducers up to 180
placement of the fixture.
Use this guide to properly install the fixture and transducers on your pipe.
6.1 Mounting the TransFlection Mode Clamping Fixture - TMCF
The transducers can be mounted up to 180° apart around the circumference of the pipe. The angle between the
transducers is dependent on the size of the pipe. Generally, transducers are located opposite each other (180°) on pipes
2 to 4 inches in diameter. For pipes 4 inches in diameter and larger, or on smaller pipes (i.e. 2 to 4 inches in diameter)
with heavy concentrations of two-phase liquid present, the transducers are located right next to each other.
Refer to one of the following sections to properly mount the transducers and fixture.
•
Mounting the TMCF in <180
•
Mounting the TMCF in 180
40
o
apart around the pipe, different fixtures are used depending on the
o
Configuration - page 41
o
Configuration - page 44
C-PT Ultrasonic Flow Transducer Installation Guide
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