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ground fault sensor

Undersea optical-fiber cables do double-duty as seismic sensors, Part 2: Application

March 23, 2021 By Jeff Shepard

A research team has devised and tested a scheme based on advanced optical-physics principles, which uses active submarine optical-fiber data cables also to sense ocean-floor earthquakes and ocean-surface swells. The previous part of this article established the context for “piggybacking” seismic-sensing capabilities onto an existing undersea fiber-optic cable. This part looks in more detail at […]

Filed Under: Featured, Frequently Asked Question (FAQ), ground fault sensor Tagged With: FAQ

Undersea optical-fiber cables do double-duty as seismic sensors, Part 1: Context

March 22, 2021 By Bill Schweber

Undersea optical-fiber cables

A research team has devised and tested a scheme based on advanced optical-physics principles which uses active submarine optical-fiber data cables to also sense ocean-floor earthquakes and ocean-surface swells. Sensing of physical parameters such as temperature, pressure, force, and velocity often brings a “split personality” analysis. On one hand, getting a reading of the basic […]

Filed Under: Featured, Frequently Asked Question (FAQ), ground fault sensor Tagged With: FAQ

NK Technologies introduces AG-LC Series ground fault sensor

July 15, 2019 By Mike Santora

NKT640-AG-LC Series-300-dpi

NK Technologies announced the AG-LC Series, a new ground fault sensor that makes it easy to monitor larger circuits. The 2011 NEC requires ground fault protection of the main over-current device feeding marinas and boatyards, where these services often carry up to 800 amps. Most sensor designs do not allow the conductors to pass through […]

Filed Under: ground fault sensor Tagged With: nktechnologies

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