Figure 3-9 Sensor Alignment - Siemens SITRANS F FST020 IP65 NEMA 4X Instructions De Service

3. Holding the sensor in place, slide the mounting strap over it and align the Strap Guide pin
4. While tightening strap, check to ensure that the front label is centered on the pipe and
5. Repeat Step 2 with the second sensor leaving it still attached to the Spacer Bar. Apply a
6. Place the sensor in the middle of the second prepared area. Secure the Spacing Bar to
7. Put mounting strap and Strap Guide around sensor and hand tighten. Sight along Spacer
FST020 IP65 NEMA 4X Quick Start
Operating Instructions, 03/2012, A5E03086489-05
with the mounting hole in the sensor. Tighten mounting strap with a screwdriver.
that there is equal space on both edges. Also, make sure to position strap for easy
access to the mounting strap adjusting screw.
①
Sensor
②
Label
③
Front View
Figure 3-9 Sensor Alignment
continuous 3mm (1/8-inch) bead of couplant compound across the center (the long way)
of the sensor emitting surface.
the already mounted sensor by inserting the sensor index screw through the REF hole on
the Spacer Bar.
Bar to ensure axial alignment to the pipe. Adjust if necessary but do not over tighten.
Ensure that the sensors do not move while tightening.
Connecting
3.3 Installing the Sensor
29