dynasonics TFXL series - Pipe Preparation and Transducer Mounting

Pipe Preparation and Transducer Mounting
DTTR, DTTN and DTTH Transducers
1. Place the transmitter in signal strength measuring mode.
This value is available on the data display of the UltraLink
software utility.
2. The pipe surface, where the transducers are to be mounted,
must be clean and dry. Remove scale, rust or loose paint to
ensure satisfactory acoustic conduction. Wire brushing the
rough surfaces of pipes to smooth bare metal may also be
useful. Plastic pipes do not require preparation other than
cleaning. On horizontal pipe, choose a mounting location within
approximately 45 degrees of the side of the pipe.
See Figure 5 on page 9. Locate the ow meter so that the
pipe will be completely full of liquid when ow is occurring in
the pipe. Avoid mounting on vertical pipes where the ow is
moving in a downward direction.
3. Apply a single 1/2 inch (12 mm) bead of acoustic couplant
grease to the upstream transducer and secure it to the pipe with
a mounting strap.
Downstream+
Downstream-
Upstream-
Upstream+
Figure 3: Transducer connections
4. Apply acoustic couplant grease to the downstream transducer and press it onto the pipe using hand pressure at the lineal
distance calculated in “Transducer Location” on page 6.
5. Space the transducers according to the recommended values from the UltraLink software utility. Secure the transducers
with the mounting straps at these locations.
TOP VIEW
OF PIPE
W-Mount V-Mount Z-Mount
TOP VIEW
OF PIPE
TOP VIEW
OF PIPE
Figure 4: Transducer mounting configurations
Quick-Start Operating Overview
Page 8 April 2016TTM-UM-00369-EN-03