[Dsg-ltcc] LTCC Gas H2O is Installed

Brian Eng beng at jlab.org
Wed Feb 20 09:10:47 EST 2019


I'm assuming -10C dp means -10 degrees Celsius dew point.

I think the vendors point was that with a fixed moisture having a higher pressure would result in reading a higher moisture count.

> On Feb 19, 2019, at 5:31 PM, Amrit Yegneswaran <yeg at jlab.org> wrote:
>
> what do the numbers mean brian?
>
>
> From: Dsg-ltcc <dsg-ltcc-bounces at jlab.org> on behalf of Brian Eng <beng at jlab.org>
> Sent: Tuesday, February 19, 2019 4:40 PM
> To: Marc Mcmullen
> Cc: Bob Miller; dsg-ltcc at jlab.org
> Subject: Re: [Dsg-ltcc] LTCC Gas H2O is Installed
>
> Bob,
>
> The vendor confirmed that there is no issue with using the sensor in C4F10, but that it is pressure sensitive.
>
> No actual formula on how to correct it though ...
>
> > Not quite sure how to answer your question about how sensitive it is to pressure, but here is an example:
> > -10C dp @ 1 bar = about -9C dp reading
> > -10C dp @ .5 bar = about -18C dp reading
> > -10C dp @ 2 bar = about -2C dp reading
>
> > On Feb 11, 2019, at 2:13 PM, Marc Mcmullen <mcmullen at jlab.org> wrote:
> >
> > That sounds good.
> >
> > Thanks,
> > Marc
> > From: Bob Miller <rmiller at jlab.org>
> > Sent: Monday, February 11, 2019 2:08 PM
> > To: Marc Mcmullen
> > Cc: Brian Eng
> > Subject: Re: LTCC Gas H2O is Installed
> >
> > Hi Marc,
> >
> > I will fill the detectors Tuesday afternoon when it gets warmer.  We can test the H2O sensor then if you like.
> >
> > Regards,
> > Bob
>
>
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