Digi Master Exposure Ratemeter by Reactor experiments inc

Описание к видео Digi Master Exposure Ratemeter by Reactor experiments inc

A very early digital personal ratemeter. Must be fairly rare as this is the only example I can find. Very little info to be found on it as well. I did find info on a trademark for it dated 1973 https://trademarks.justia.com/730/04/... which would make it very advanced for its time. Pressing the button takes about a two second sample. The phones jack works without pressing the button and makes a constant clicking when exposed to sample. The tube can shield Beta by sliding the little knob on the side.

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