OTT Flo-Dar Manual Del Usuario página 21

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Align the sensor horizontally
The sensor must be aligned horizontally to make sure that the sensor is
over the center of the flow. If the pipe is not level and has a slope of
2 degrees or more, align the sensor to be parallel with the surface of the
water.
Item to collect: Bubble level
1. Remove the paper backing from the bubble level and attach the level
to the sensor. Refer to
Figure 12
2. Loosen the clamps and tap the frame into position.
3. Tighten both clamps and measure the frame position to make sure
that it is at the correct position.
Make a final alignment check
The correct vertical and horizontal alignment of the sensor is necessary
for accurate measurements.
1. Measure the vertical alignment and make adjustments if necessary.
Refer to
Align the sensor vertically – Flo-Dar without SVS
or
Align the sensor vertically – Flo-Dar with SVS
2. Measure the horizontal alignment and make adjustments if
necessary. Refer to
Align the sensor horizontally
3. Repeat steps 1 and 2 until no further adjustments are necessary.
Optional extended depth sensor installation
The extended depth sensor
(Figure
channel depth is more than the standard level specifications. Refer to
Specifications
on page 3.
Use the extended frame
(Figure
mount the extended depth sensor on the wall.
The extended depth sensor must be installed at least 457.2 mm (18 in.)
above the crown of the pipe for correct measurements. The extended
depth sensor has a deadband zone of 431.8 mm (17 in.) where the
sensor is not active.
All manuals and user guides at all-guides.com
on page 15.
on page 15
on page 16.
on page 17.
15) can be used when the pipe or
16) instead of the standard frame, or
Figure 15 Extended sensor dimensions
Figure 16 Extended frame dimensions
1 739.14 mm (29.1 in.) with 2¼ in. spacer; 985.52 mm (38.8 in.) with 12 in.
spacer
English 17

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