SevenFourtyOne Youtube

GQ GMC-300 Geiger Counter Overview and Demo

Let’s take a look at the GQ GMC-300 Geiger Counter. This video is for reference only and is not intended to take the place of the product manual or other manufacturer’s documentation or recommendations.
I bought this to test for radioactivity resulting from a radioactive iodine treatment for thyroid cancer and tumors.

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#geigerCounter #radiation #radioactivity