Dwyer UXF2 - Manual (Page 32)

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Mount the sensor units so that their BNC connectors face outward (Fig. 3-16a). If at least one is mounted
opposite, measurement is not possible (Fig. 3-16b, c). The pressing fixture claws must be completely
engaged with square holes provided on sides of the frame. Otherwise, the sensor and pipe will not correctly
get in contact with each other, and measurement error will occur..
Fig. 3-16a
Fig. 3-16b
Fig. 3-16c
(4) Connect the signal lines with BNC connectors of the sensor units. At this time, do not mistake the upstream and
downstream sides for each other. Connect the red BNC connector upstream, and the black BNC connector
downstream (see Fig. 3-17).
Fig. 3-17
BULLETIN F-70