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Fiber optic current sensor, using an interferometer to measure the phase change in the light produced by a magnetic field. Rogowski coil, electrical device for measuring alternating current (AC) or high speed current pulses. Giant Magnetoresistance(GMR): Magnetic field sensor suitable for AC & DC Current with higher accuracy than Hall Effect.
A Rogowski coil, named after Walter Rogowski, is an electrical device for measuring alternating current (AC) or high-speed current pulses. It sometimes consists of a helical coil of wire with the lead from one end returning through the centre of the coil to the other end so that both terminals are at the same end of the coil.
A fiber-optic current sensor (FOCS) is a device designed to measure direct current. Utilizing a single-ended optical fiber wrapped around the current conductor, [1] FOCS exploits the magneto-optic effect (Faraday effect). [2] The FOCS can measure uni- or bi-directional DC currents up to 600 kA, with an accuracy within ±0.1% of the measured value.
The device has three terminals. A sensor voltage is applied across two terminals and the third provides a voltage proportional to the current being sensed. This has several advantages; no additional resistance (a shunt, required for the most common current sensing method) needs to be inserted in the primary circuit. Also, the voltage present on ...
An increasing number of everyday devices are being connected to the internet: garage doors, fitness trackers, security cameras, voice-activated assistants and even ovens and trash cans, providing ...
Luna i-Monitoring, which developed a suite of integrated wireless sensors for remote monitoring for the oil and gas industry, was acquired by IHS Energy. Luna has acquired companies with adjacent and complementary technologies, including Micron Optics, [ 6 ] General Photonics, [ 7 ] OptaSense, [ 8 ] [ 9 ] and LIOS.
On Amazon, nine independent sellers recently offered “jammer” devices for sale for as little as $25.63, according to searches by NBC News. The product listings said they could be used for a ...
Attitude control (spacecraft): Horizon sensor, Earth sensor, Moon sensor, Satellite Sensor, Sun sensor; Catadioptric sensor; Chemoreceptor; Compressive sensing; Cryogenic particle detectors; Dew warning; Diffusion tensor imaging; Digital holography; Electronic tongue; Fine Guidance Sensor; Flat panel detector; Functional magnetic resonance ...
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