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ONLINE ELECTRONICS LTD
ID5000A_5001_A03
Page 3 of 21
1.
GENERAL DESCRIPTION
The ID5000A (Active) Ultrasonic pig signaller is a fully ATEX certified, non-intrusive, pig
signaller which detects, signals, and logs the passage of pigs at critical points along fluid filled
pipelines both on land and offshore.
The signaller uses the pulse-echo method to detect the time of flight of ultrasonic pulses
through the pipe. An ultrasonic pulse is sent through the pipe wall and provided that an
acoustically transparent column of fluid is passing through the pipe (single phase, no gas
bubbles, n
o large solid particles), the unit is able to see a “reflection” of energy from the other
side of the pipe. When a pig passes, the fluid path is disturbed, removing the reflection, and
the pig is detected.
Events are signalled as they occur via a 2.7” gra
phical display and high brightness LEDs
positioned around the perimeter of the display. Events can also be signalled remotely using
several optional outputs.
The unit logs the time and date of up to 100 events which can be viewed at any point using
the local display. The user can turn the unit ON and OFF as well as modify several settings
using a single control button and intuitive menu system.
The unit has two basic parts as shown below. The transducer is permanently connected to the
main housing via a cable. The transducer is screwed into a mounting block which can be
quickly and easily attached to the pipeline using ratchet straps or steel banding. The main
housing contains all electronics, battery (if fitted), display and the control button. The main
housing is mounted onto the pipeline using a mounting block and straps in a similar fashion to
the transducer.