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  2. Defect detector - Wikipedia

    en.wikipedia.org/wiki/Defect_detector

    A defect detector would sound like this: (This was the read out of CSX train Q452-05 by the Campville Defect Detector on April 6, 2019. The defect detector is located at Campville, Florida, on the CSX Wildwood Subdivision.) CSX EQUIPMENT DEFECT DETECTOR. MILEPOST 7-0-0-POINT-1. NO DEFECTS. NO DEFECTS. TOTAL AXLES 7-3-8. TRAIN LENGTH 1-3-7-6-4 ...

  3. Venetia Burney Student Dust Counter - Wikipedia

    en.wikipedia.org/wiki/Venetia_Burney_Student...

    In 2010, VBSDC collected data on dust past 18 AU (1.67 billion miles), which is the distance the Pioneer 10 and Pioneer 11 dust counters stopped working. [2] Five other spacecraft have carried dust detectors beyond the asteroid belt including Pioneer 10, Pioneer 11, Ulysses (heliocentric orbit out to the distance of Jupiter), Galileo (Jupiter Orbiter), and Cassini (Saturn orbiter). [3]

  4. Electro-optical sensor - Wikipedia

    en.wikipedia.org/wiki/Electro-optical_sensor

    An optical sensor converts light rays into electronic signals. It measures the physical quantity of light and then translates it into a form readable by an instrument. An optical sensor is generally part of a larger system that integrates a source of light, a measuring device, and the optical sensor. This is often connected to an electrical ...

  5. Infrared point sensor - Wikipedia

    en.wikipedia.org/wiki/Infrared_point_sensor

    Dual source and dual receivers are used for self compensation of changes in alignment, light source intensity and component efficiency. The transmitted beams from two infrared sources are superimposed onto an internal beam splitter. 50% of the overlapping sample and reference signal is passed through the gas measuring path and reflected back onto the measuring detector.

  6. Position sensitive device - Wikipedia

    en.wikipedia.org/wiki/Position_sensitive_device

    Song Cui, Yeng Chai Soh:Linearity indices and linearity improvement of 2-D tetra-lateral position sensitive detector. IEEE Transactions on Electron Devices, Vol. 57, No. 9, pp. 2310-2316, 2010. Anssi Mäkynen: Position-Sensitive Devices and Sensor Systems for optical Tracking and Displacement Sensing Application.

  7. Gas detector - Wikipedia

    en.wikipedia.org/wiki/Gas_detector

    A gas detector is a device that detects the presence of gases in an area, often as part of a safety system. A gas detector can sound an alarm to operators in the area where the leak is occurring, giving them the opportunity to leave.

  8. Semiconductor detector - Wikipedia

    en.wikipedia.org/wiki/Semiconductor_detector

    A Forward Silicon Vertex Detector (FVTX) sensor of PHENIX detector on a microscope showing silicon strips spacing at 75 microns. [3] Most silicon particle detectors work, in principle, by doping narrow (usually around 100 micrometers wide) silicon strips to turn them into diodes, which are then reverse biased. As charged particles pass through ...

  9. Queensland Railways 2300 class - Wikipedia

    en.wikipedia.org/wiki/Queensland_Railways_2300_class

    The rebuilds included new cabs, Dash 2 electronics and the replacement of the roots blower supercharger with a turbocharger. In 2007, seven (2356, 2349, 2361, 2370, 2372, 2373 and 2374) were allocated to Queensland Rail's Australian Railroad Group subsidiary and transferred to Western Australia where they were re-numbered as DFZ2401-DFZ2407.