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LabNet Geiger Counter High School Teaching Lab Circuit Boards Tested GOOD Lot 2x, US $830 – Picture 0
LabNet Geiger Counter High School Teaching Lab Circuit Boards Tested GOOD Lot 2x, US $830 – Picture 0

Labnet Geiger Counter High School Teaching Lab Circuit Boards Tested Good Lot 2x

US $830

  • La Valle, Wisconsin, United States
  • Nov 19th
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 Last chance to buy this, Make me an offer! After this listing ends it gets added to a lot to be sold at open auction! You get a lot of two of these 110V lab style geiger counter boards. They take any 450 to 550V tube as is. The counting section uses 5V which can be easily supplied from a $2 black Friday special USB cellphone charger. One cool thing about these is you can easily make the voltage higher by adding more diodes and capacitors and lower using a few zener diodes. Very simple to regulate the volts upward or downward to power other tubes like the pancake tubes I'm selling. If you want them all, make me an offer I can't refuse. Priced to sell! I have lots of lasers and other unique tech stuff for sale this week.

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