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 2.GQ Geiger Muller Counter
 GMC 600+ and UV radiation		  New Topic  Reply to Topic
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EndreasAndu651

Estonia
6 Posts
Posted - 09/30/2022 :  06:23:46  Show Profile  Reply with Quote
Is it safe to expose the geiger muller to the sun? In the gmc 600+ manual there said that you can't expose it to the sun, but i wondered was it because of the UV? Does it destroy the mica layer? Can it detect the UV radiation? by the way, i know the audio port of the geiger counter isn't meant for headphones but can you use headphones on it still?
Andreas
Edited by - EndreasAndu651 on 09/30/2022 08:51:24
Reply #1

ullix

Germany
1171 Posts
Posted - 10/01/2022 :  01:54:39  Show Profile  Reply with Quote
quote:
Does it destroy the mica layer?

Probably not. The GMC-600+ uses a LND 7317 tube https://www.lndinc.com/products/geiger-mueller-tubes/7317/. This consists of a metal case, holding a Mica window on the other side.

I assume the metal to not be UV sensitive. Mica material is used for many things, including in outdoor-paint and in cosmetics for sunlight protection. So, it would be surprising if it were destroyed by UV light.

However, I think it is a good question to ask the manufacturer: https://www.lndinc.com/contact/

Audio:
I am using the counter's audio clicks as input to my computers when I use the counter as AudioCounter. See chapter "AudioCounter Devices" in the GeigerLog manual. Never did any harm.
Edited by - ullix on 10/01/2022 01:58:14
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