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In 2002, Fluke purchased DNI Nevada (formerly Dynatech Nevada/Neurodyne-Dempsey), a Carson City, Nevada based manufacturer of medical test equipment, [4] best known for being the original makers of the FitTester 3000 quantitative respirator fit test machine. [5] Fluke subsequently placed DNI Nevada under the Fluke Biomedical brand, and moved ...
In January 2000, test equipment manufacturer Fluke Corporation acquired Wavetek's Precision Management Division, and announced their intention to keep the Wavetek name for existing products. WWG kept Wavetek's LAN business unit, cable networks, fiber optics and wireless test gear. [6]
An optical time-domain reflectometer (OTDR) is an optoelectronic instrument used to characterize an optical fiber. It is the optical equivalent of an electronic time domain reflectometer which measures the impedance of the cable or transmission line under test. An OTDR injects a series of optical pulses into the fiber under test and extracts ...
So they are largely used for single-mode fiber testing at 1270 - 1650 nm. An important part of an optical power meter sensor, is the fiber optic connector interface. Careful optical design is required to avoid significant accuracy problems when used with the wide variety of fiber types and connectors typically encountered.
An optical spectrum analyzer uses reflective or refractive techniques to separate out the wavelengths of light. An electro-optical detector is used to measure the intensity of the light, which is then normally displayed on a screen in a similar manner to a radio- or audio-frequency spectrum analyzer.
A fiber-optic sensor is a sensor that uses optical fiber either as the sensing element ("intrinsic sensors"), or as a means of relaying signals from a remote sensor to the electronics that process the signals ("extrinsic sensors"). Fibers have many uses in remote sensing.
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