Showa SP-103 Standalone Xray Head Teardown

Teardown of a standalone xray head from Showa (Made in Japan). Capable of outputting 100 kV at 35 mA for up to 10 second exposure times. It comes as a complete unit with collimator, only to be supplied with 230 …

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Fujifilm FCR XG-1 X-ray Scanner, Photomultiplier Tube Reverse-engineering (Part 3 of 3)

Reverse engineering of the Fujifilm PMT12A PMT module that contains the photomultiplier tube, high voltage power supply and analog amplifier from a Fujifilm FCR XG-1 x-ray image scanner / digitizer. Also known as Computerized Radiography (CR), it fulfills the job …

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AGFA ADC 5155 Photo Multiplier Tube (Part 4 of 4)

Teardown of the photomultiplier tube assembly (PMT) and its high voltage power supply. The high voltage power supply and PMT is reverse-engineered. The PMT will be used as a cosmic ray detector with a scintillation plastic crystal in front of …

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10,000 subscribers on Youtube and Capacitor Discharge Explosions

In a celebration of reaching 10,000 subscribers on Youtube, I blew up some pieces of wire with my 2500uF / 2kV Maxwell energy discharge capacitor storing 4kJ of energy. I also started a new dedicated slow motion video channel, please …

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Fuses In Power Electronics and Other Fuses – Isolation, Day 24

This video shows the different fuses, breakers, MCB, RCD, melting fuses and automatic fuses that I have. I started spring cleaning my work shop and I have come across so many components in various bins, boxes and drawers that I …

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Future Projects, Teardowns and Power Electronics – Isolation, Day 22

A look into what the future brings of projects, teardowns and power electronics. Simple, complex, small and large, there will be it all, stay tuned! In this tour around the electronics lab and work shop, we get to see the …

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70 kV / 65 kW X-Ray System, Transformer and Inverter – Isolation, Day 12

I give an overview of a 65kW X-ray generator system for a 70 kV X-ray transformer. The full-bridge of 400A 1200V IGBT bricks makes for a powerful inverter to drive the ferrite cored high voltage transformer.

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High Voltage Transformers – Isolation, Day 9

I go through my collection of iron/ferrite core high voltage transformers. MOTs, OBITs, NSTs, PTs and X-ray transformers. Microwave Oven-, Oil burner ignition-, neon sign- potential- and x-ray transformers. I forgot to add the old and new flyback transformers I …

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High Voltage Equipment Repair Queue – Isolation, Day 8

I show the most interesting high voltage gear and equipment that I need to repair. From manufacturers like Glassman, Haefely and others.

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High Voltage Equipment Catalog – Isolation, Day 1

I flip through the most interesting sections of high voltage gear and equipment from manufacturers like Sebamkt, Megger, Glassman and others. Denmark went into a 2 week corona virus lockdown today. This huge advertising material has been sitting on my …

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