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T O P I C R E V I E W
PrincessLuna
Posted - 05/17/2015 : 07:02:31 The test sources are 2 Uranium marbles, a chopped up thoriated welding rod (in plastic) and an AM-241 pellet from a smoke detector.
I used to get much higher readings on my old Terra-P geiger counter (SBM-20-1 tube)
Do these sound about right? (My unit is a 320 Plus, quite new and unmodified)
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ZLM
Posted - 05/20/2015 : 19:33:35 Those data looks correct.