Author Topic: Showa SP-103 Standalone Xray Head Teardown  (Read 488 times)

Offline Mads Barnkob

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Showa SP-103 Standalone Xray Head Teardown
« on: January 29, 2023, 01:04:56 PM »
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 VAC and operated with external trigger.

/>
All controls are on a single side


Ratings


The control electronics are rather basic, selector switch into a transformer for voltage and a selector switch with resistors for different R+C values into a timer circuit and a single relay


The tank was shielded in lead and a soldered brass container held the oil in


The high voltage transformer is a midpoint grounded 100 kV iron core transformer.


The xray tube is a Toshiba D-205B specially designed for portable xray units.




« Last Edit: January 29, 2023, 01:07:10 PM by Mads Barnkob »
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Showa SP-103 Standalone Xray Head Teardown
« on: January 29, 2023, 01:04:56 PM »

 


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