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KPE - www.kaizerpowerelectronics.dk (see latest post for new videoes)

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madsbarnkob:
Construction of a 3 phase 400 VAC at 32A soft start circuit with safety features and a data monitor. All parts like enclosure, current transducers, voltage step down, contactors and wiring is reused from my 3 phase 13 A Lübcke variac build, that unfortunately had one of the auto transformers burn up.

Pictures and schematics: https://kaizerpowerelectronics.dk/general-electronics/3-phase-32a-400vac-soft-start-power-supply/

madsbarnkob:
Part 1: Teardown of a Philips / Fujifilm PCR Eleva S x-ray image scanner / digitizer. Also known as Computerized Radiography (CR), it fulfills the job of scanning a x-ray exposed image plate with a laser beam and extract each pixel illumination with a photomultiplier tube setup. It can scan 78 plate per hour with a general resolution of 3520 x 4280 pixels in 12 bits per pixel gray scale.



Pictures and long description: https://kaizerpowerelectronics.dk/teardown/philips-pcr-eleva-s-x-ray-image-scanner-teardown/

madsbarnkob:
Part 2: Reverse engineering of laser scanner module from a Philips / Fujifilm PCR Eleva S x-ray image scanner / digitizer. Also known as Computerized Radiography (CR), it fulfills the job of scanning a x-ray exposed image plate with a laser beam and extract each pixel illumination with a photomultiplier tube setup.

Part 2 pictures and long description: https://kaizerpowerelectronics.dk/teardown/x-ray-image-laser-scanner-reverse-engineering/

madsbarnkob:
The Brandenburg Alpha Series II 5 kV Power Supply is from Great Britain and made in 1977. The model 2507r is specified for 500 to 5000 VDC at 5 mA, around 100 VA power rating.

madsbarnkob:
Reverse engineering of the Fujifilm PMT26A PMT module that contains the photomultiplier tube, high voltage power supply and analog amplifier from a Fujifilm PCR Eleva S / CR-IR 357 x-ray image scanner / digitizer.



Pictures and long description: https://kaizerpowerelectronics.dk/high-voltage/fujifilm-pmt26a-photomultiplier-tube/

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