The Deminsys demultiplexing interrogator system from Technobis Fibre Technologies BV is a high-speed, multichannel, multisensor interrogator with a maximum sampling frequency of 19.3 kHz per sensor. The device identifies four channels of fiber Bragg gratings with, typically, eight sensors per channel. The standard system uses the 850-nm wavelength for eight sensors per fiber with a spectral spacing of 4 nm. A 1550-nm wavelength is optional. The device measures 80 × 80 × 240 mm and weighs 800 g.

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