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 2.GQ Geiger Muller Counter
 GMC 300 vs. PM1703M		  New Topic  Reply to Topic
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Jeremystuart

USA
2 Posts
Posted - 12/13/2012 :  17:17:42  Show Profile  Reply with Quote
We are comparing the PM1703M Radiation Detector by Polimaster, Inc. to the GMC 300 Digital Geiger Counter. We've seen the PM1703M in actual testing of granite counter tops. It is extremely precise in detecting radon gases emitted by the material. With the GMC 300 we've only seen it done in general area testing.

Situation: we want to test each granite slab before installation.

Question: Would the GMC 300 be appropriate for our purposes?
Reply #1

ZLM

1261 Posts
Posted - 12/13/2012 :  21:01:40  Show Profile  Reply with Quote
The GMC-300 is able to detect the radiation from granite stone.

Please see example from: www.youtube.com/watch?v=0qHpNRBFjHg
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Reply #2

Jeremystuart

USA
2 Posts
Posted - 12/14/2012 :  10:38:27  Show Profile  Reply with Quote
Thank you. We saw that video and understand that it can detect the radiation. We were just wondering if it picked up on hot spots within stone or if just picks up general radiation within the proximity. This is the video we are comparing with the GMC 300:

www.youtube.com/watch?v=8AGrns35dQk&feature=player_embedded
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Reply #3

ZLM

1261 Posts
Posted - 12/15/2012 :  00:01:36  Show Profile  Reply with Quote
Yes. The GMC-300 is able to detect the "hot spots" from a granite counter top. The video in my post basically is detecting the hot spot from granite.
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