[Hallb-engineering] R3 DC GAS detector pressure is very high

[Mac Mestayer]

Hello George;

There seems to be some disagreement about the max. pressure.
Nevertheless, for now, could you or one of the dsg group reduce the
reg.3 flow by half: to 16 slm.
Any performance degradation due to lower flow is much less
harmful than a possible window leak.

Tomorrow, I would like to meet with you and Morgan.

- Mac

"mestayer at jlab.org", (757)-269-7252

On Mon, 5 Feb 2018, George Jacobs wrote:

> Just in case I am the only person to notice, the R3 pressure is way too high. Normal
> pressure is 0.075"wc, current pressure is double that, 0.150"wc. I am concerned window
> damage may occur at this high pressure. A HIHI alarm should go off at 0.125"wc.
> 
> George
> 
> -- 
> George Jacobs
> Jefferson Lab (TJNAF)
> STE 12
> 12000 Jefferson Ave.
> Newport News, VA 23606
> 
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> 
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> 
> (email) jacobsg at jlab.org
> 
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>