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Bulletin (PDF)
Flyer (PDF)
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PIG-SIG® NI is a non-intrusive pig indicator that is banded to the pipe externally and detects a pig passage by means of magnet- or transmitter-equipped pigs.
The PIG-SIG® NI produces simple and reliable, non-intrusive detection of pig passages anywhere within your pipeline system. Simply band the unit onto your pipeline, and it immediately begins scanning both for transmitter and permanent magnet-equipped pigs. When pigs do pass, their time and date are displayed on a high-contrast LCD screen for the operator, along with a flashing "Recent Passage" message. If multiple pig passages have occurred, simply scroll back through the PIG-SIG® NI memory and retrieve the date and time of any of the last 10 passages. In addition, the unit initiates a relay contact when pig passages occur, so it can interface with other control systems.
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