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 2.GQ Geiger Muller Counter
 Mica window elevation safety
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Luke_Thighwalker

3 Posts

Posted - 06/05/2019 :  10:37:03  Show Profile  Reply with Quote
Hello all,

I have a GMC-600 which has the mica window for alpha detection, and I learned that there is risk that these windows can rupture if you go too high. Does anyone have an idea of what is “too high”? Would a trip to the mountains (less than 7000 ft over sea level) be ok?
Reply #1

EmfDev

908 Posts

Posted - 06/05/2019 :  11:10:21  Show Profile  Reply with Quote
Hi Luke_Thighwalker, we haven't tried to test it in the mountains. However, we have sent them by air(pressurized) and so far no one has complained because of it's broken.
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Reply #2

GBG12

Canada
59 Posts

Posted - 06/05/2019 :  17:00:07  Show Profile  Reply with Quote
The pressure inside such a tube is usually a few tenths of an atmosphere, making it about equal at 30,000 feet. It's possible that it may bulge out above that, depending on how flexible the mica window is. Shipping it in an unpressurized airplane compartment may be risky. Mountaintops would be fine.
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