Dwyer UXF2 - Manual (Page 21)

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2.2.2. Mounting position
The detector can be installed vertically, horizontally or in any position provided the following:
(1) The piping must completely be filled with fluid when it flows.
Pump
Air tends to accumulate.
Good
Good
May not
completely be
filled with liquid.
May not completely be filled with liquid.
(2) In case of horizontal piping, mount the detector within r45q from the horizontal plane. Otherwise, the measurement
could be impossible if bubbles stay in the upper part of piping or if deposits are accumulated in the lower part of
piping. In case of vertical piping, the detector may be mounted at any position on its periphery provided that the
flow is upward.
Horizontal
Pipe
45
°
45 °
(3) Do not mount the detector on a distorted part, flange or welding.
Weldment
Welding is included.
Weldment
Off the Welding.
Welding is partly involved. Avoid Welding.
BULLETIN F-70