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Doc. No. 702202-252-01 rev. 00
Page 21 of 42
Swarm®S2 Installation and User Manual
Last updated 2021-03-02
by Harald Sleire
© Sensorlink Swarm AS 2021
Step
Description
Illustration
14.
Connect the Swarm S2 Datalogger according to Section 6.4.3, this is
required to be able to use the datalogger for the signal evaluation in
the subsequent steps.
Bundle the cables together if needed and pull them through the
conduit as shown and connect them as described in Section 6.4.3.
Secure the conduit in the pipe end but make sure the cables are not
in direct contact with the pipe if the pipe surface temperature
exceeds the cable specification.
Sensor Ser.No.: __________ Clock position_________
Sensor Ser.No.: __________ Clock position_________
Sensor Ser.No.: __________ Clock position_________
Sensor Ser.No.: __________ Clock position_________
15.
Install the temperature probe
The Temperature probe tip should be squeezed between the (U)HT
Deployment kit or band and the pipe, see illustration. Make sure that
this does not interfere with the alignment of the Deployment kit.
Bend the sheathed part of the temperature sensor so that it runs in
parallel with the (U)HT senor sheathed cable and into the conduit.
For terminating the Temperature probe to the datalogger see
Section 6.4.4
16.
Open the Swarm S2 user interface and choose the right type of
ultrasound sensor and channel number the sensor is connected to.
Type the nominal thickness of the pipe and run the live view of the
trace.
17.
You should now see the ultrasound trace with the first delay line
echo in the beginning. The ultrasound trace is updated every 10-15
seconds.
18.
Using the torque wrench, turn each of the loading bolts ⑧
alternating with 90˚ turns (1/4 turns) until a torque of 20 Nm is
reached on both (for pipes NPS 6” or larger, this load may be
increased to 25 Nm). The back wall echo should start rising at the
expected thickness (around 14 mm for the example shown here) as
the loading bolts ⑧ are tightened. When the torque is at 20(or 25)
Nm the backwall echo should have passed the acceptable level
marked with the horizontal line. The torque should NOT be
increased over 20 (or 25) Nm if the echo is lower than the
Backwall echo