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Made in USA! Mineral Point, WI

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Small Geiger Counter in Altoids Tin (SOLD)
(Free shipping for U.S. addresses!)

$0.00 each

This Geiger counter has been sold

If you are interested in a Geiger counter like this, please email Sirius -


Handmade custom Geiger counter in an Altoids Peppermint tin! Pocket sized! Picks up Beta and Gamma radiation. Great covert Geiger counter for hunting Vaseline glass, radioactive fiestaware, and radium watches in antique/resale shops and garage sales.

This is number 4 of this model. I own the original (and use it often) the other two have been sold. This is the first of the series that has an external power input allowing you to take long term readings without using the battery.

Free Shipping to 50 US states! Only one available!

Geiger-Muller tube is type SI29BG. This unit does not have a digital display, only audio tics and a LED. The Geiger counter can be attached to the microphone input of an Android phone to see counts per minute using "RadMeter" from google play, works fine on my Galaxy S5 but does not work on all Android devices. A cable will be provided (4 conductor - TRRS). Should be able to attach to Apple phones, but that has not been tested. There are only two controls, power on-off and audio mute. Uses a standard 9 volt battery, very long battery life. An electronic schematic and instructions will be included. This is the third Geiger counter of this style that I have made. One is mine, one was sold, this one can be yours!

Video of SIMILAR Geiger counter in action on YouTube:


I often carry my first build of this design in my pocket. It has been fun to find and point out common radioactive items in people's home or shops.

  • No returns if the unit has been damaged, modified, or altered in any way! 
  • Returns only if unit is not as described. 
  • Unit will be very well packed for shipping. 
  • Ask for shipping insurance to be added to your invoice, before you pay, if you feel shipping insurance is needed. We will not be responsible for loss in the mail or mis-delivery.
  • Free USPS shipping! Want it faster? Select Priority Mail service when paying.
  • Any questions, please ask! (Contact Us)

I will repair the unit for free (you pay to ship it to me) if it fails within 65 days of shipping date, as long as the unit has not been physically damaged, modified, or altered in any way. That is, if the electronics fail for no apparent reason, I'll fix it. If you drop it, open the box and damage the electronics, or something like that, I may be able to fix it for a fee. Free repair does not include the Geiger-Muller tube. If the Geiger-Muller tube fails a fee will apply and repair may take a month or longer, to obtain a replacement. You must contact us before returning the Geiger counter. Condition decision will be made by seller.

I have had a unit like this since February 2017. I carry and use it often and have experienced no problems.


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