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T O P I C R E V I E W
BlueSky
Posted - 01/26/2012 : 04:39:37 Being an Alpha ray (right?), will the 300 pick it up as CPM? Or not pick up on Alpha at all? I think Radon does Beta and Gamma as well..
1 L A T E S T R E P L I E S (Newest First)
ZLM
Posted - 01/26/2012 : 08:36:03 GMC-300 only for Beta and Gamma only. The Alpha ray can be blocked by a pice of paper. The Alpha ray needs to directly contact with Geiger Tube when measuring it.