Thursday, March 31, 2022

That Survey Meter

 A friend had a 50 year old gamma ray test sample labeled 25 mR/hr.  It s 50 years old, and not labeled as to isotope, so current output is uncertain although it was moving dosimeters.  When placed over  sample, my meter occasionally moved the dial slightly.  Since my meter only goes down to .01R/hr, and passes circuit test, I am going to assume that it is working.

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