Endress+Hauser Proline Prosonic Flow 90 Operating Instructions Manual page 30

3 Installation
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5. Mark the sensor distance (a) from the middle line starting from the first drillhole.
6. Project the middle line to the back of the pipe and draw it on.
a
Fig. 26: Installing the measuring sensors, steps 5 and 6
7. Mark the drillhole on the middle line on the back of the pipe.
8. Cut out the second drillhole and prepare the holes for welding of the sensor holder
(deburr, clean, etc.).
Fig. 27: Installing the measuring sensors, steps 7 and 8
9. Insert the sensor holders into the two drill holes. To adjust the weld-in depth, both sensor
holders can be fixed with the special tool for insertion depth regulation (optional) and then
aligned using the tie rod. The sensor holder must be flush with the inner side of the pipe.
Now pinpoint both sensor holders.
!
Note!
To align the tie rod, two bearing shells must be screwed onto the sensor holders.
Fig. 28: Installing the measuring sensors, step 9
Proline Prosonic Flow 90
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Endress+Hauser