Installation Procedure; Preparing The Pipe - Siemens SITRANS F FST020 IP65 NEMA 4X Instructions De Service

Ltn Menu Cell
This view only menu cell shows the distance in inches or millimeters between the front faces
of the sensors along the axis of the pipe. If you are mounting the sensors without a track or
spacer bar, you have to space them according to this value. Note that Ltn may be a negative
number for direct mount on very small pipes where the sensor spacing overlaps.
3.3.2

Installation Procedure

Preparing the pipe

1. Assemble the sensors to the spacer bar, with the cable connectors facing away from
2. Temporarily position the assembly (in the 10 o'clock position) at the location where you
3. Mark a generous area around the sensors (13mm / 1/2" on either side) with a pencil or
4. Prepare the two areas you marked by degreasing the surface, if needed, and removing
5. Remove sensor that was attached through the REF hole from the spacer bar. Put a
FST020 IP65 NEMA 4X Quick Start
Operating Instructions, 03/2012, A5E03086489-05
each other as shown below. The spacer bar is attached to a sensor using a sensor
Reference Index screw. One sensor is attached using the "REF" hole on the spacer bar.
The second sensor is attached to the spacer at the Number Index hole.
have determined it would be mounted. Ensure that it is a smooth area without any raised
spots or seams.
chalk. Remove the assembly.
any grit, corrosion, rust, loose paint or surface irregularities with the abrasive pipe
conditioning material provided. Clean the pipe of all debris and abrasive particles.
mounting strap around the pipe and thread the Strap Guide through the mounting strap.
Engage the end of the mounting strap into the adjusting screw (adjusting screw should be
pointing up).
Connecting
3.3 Installing the Sensor
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