Re: Sealed Gas Proportional Detectors

["DRGB" <drgbltd@spb.cityline.ru>]

No one gas proportional detector operate less than 5 years. The modern
technologies provide lifetime of those detectors more than 10 years, becouse
they work without athmospheric leaking. I know the Company which manufacture
and repair the similar detectors but it is in Russia and I think not suit to
you.
----- Original Message -----
From: <JBa3965388@aol.com>
To: Multiple recipients of list <radsafe@romulus.ehs.uiuc.edu>
Sent: Friday, May 19, 2000 6:52 PM
Subject: Sealed Gas Proportional Detectors


> I am looking for information concerning sealed gas proportional detectors,
> specifically the size/style detectors used in APTEC personal contamination
> monitors (filled with 800 Torr P-10 Gas).
>
> Has anyone tried to estimate the "lifetime" of such detectors?  That is
> (assuming they are not punctured) how long will they work before they leak
> down to the point of no longer counting at a high enough efficiency to be
> useful?
>
> What vendors (other than the manufacturer) offer detector repair services,
> and at what price?
>
> Concerning detector lifetimes, does anyone have any evidence to indicate
that
> "new" detectors last any longer than "repaired" detectors?
>
> Thanks for any information that you can provide.
>
>
> Jerry Barber
> JBa3965388@aol.com
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