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Road
Blank of Guard-fence
Bar graph
Sensitivity curve (receiver response)
Guard
fence
Road
Blank of guard fence
OPERATION IN EACH SITE SITUATION
Transmitter
barrier
Pipeline
Receiver
6-8 When there are Guard-fences or Curbs
nearby.
Setting up the transmitter
Begin by selecting Direct mode (DIR).
In circumstances where only induction
mode can be used, please set it next to a guard-fence
or curb as shown in the diagram below.
Guard-fence
Operation of receiver
If crash barriers, curbstones, etc. are located close to the
pipeline, these effects will be noticed on the receiver.
On such a site, please perform the detection next to
the guard-fence or the curb as shown above.
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Pipeline
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