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 1.Geiger Counter World Map(
 hello. NEW . 600+ observation Readings.
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United Kingdom
6 Posts

Posted - 08/10/2023 :  14:09:15  Show Profile  Reply with Quote
Hello everyone new user from UK.
Pleased to receive my new 600+ from USA very quick delivery.
Nice unit, heavier than I thought but build quality seems very good.
only had one other counter a radgem2 (thing just with leds) so not really a Radiation hobbyist just interested in things.
Anyway on receiving this and just now setting it up.
so far so good. Could do with a better set-up guide. but think I have managed to get it connected to the map.
First observation was it seems to be reading high when I look at the map numbers are fairly low being around 20.
I am regularly around 50 counts. but looking at the map i can see that others with the 600+ are reporting around the same.
Is the 600+ just more sensitive (as its alpha detecting also)
my house bricks are 100+ CPM

Reply #1


United Kingdom
2 Posts

Posted - 08/12/2023 :  05:13:44  Show Profile  Reply with Quote
Hi Livewire, where did you buy your 600+ in the US? Were there any import duties etc?
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Reply #2


United Kingdom
6 Posts

Posted - 08/12/2023 :  11:02:19  Show Profile  Reply with Quote
no, Ebay UK.
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Reply #3


2139 Posts

Posted - 08/15/2023 :  10:02:10  Show Profile  Reply with Quote
Hi livewire, the GMC600+ is more sensitive that is why the background readings are higher.
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