UFM2/UBT User Manual
Issue 1.1b July 20 Page 15
2.6.2 Attaching to Pipe
1. For pipes with an outside diameter less than 2.36 inches (60 mm), attach the black clips to the
bottom of the Sensor Assembly as shown below.
Figure 14 Attaching pipe adaptor
2. Place the Sensor Assembly on pipe.
3. For pipes with an outside diameter less than 1.57 inches (40 mm), position the curved adaptor
under the pipe.
Figure 15 Clamping pipe adaptor to pipe with OD less than 1 ¼" (40 mm)
4. Using the hose clips provided, clamp the Sensor Assembly (and adaptors, if used) to the pipe at
an angle of 45° to the top of the pipe. Experience has shown that the most consistently
accurate results are achieved when the unit is mounted at this angle (see page 36). This
minimises the effect of any flow turbulence resulting from entrained air along the top of the pipe
and sludge at the bottom.
Figure 16 Sensor Assembly clamped at 45°
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