[dsg-hallb_gas] ALERT absolute pressure transmitter

[Marc Mcmullen]

Thanks Bob, conversion should not be a problem. We’ll double check the numbers and get a req in.

Marc

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________________________________
From: Bob Miller <rmiller at jlab.org>
Sent: Monday, February 5, 2024 10:25:35 AM
To: Marc Mcmullen <mcmullen at jlab.org>; Marc Mcmullen via dsg-hallb_gas <dsg-hallb_gas at jlab.org>
Subject: Re: ALERT absolute pressure transmitter

Hi Marc,

I see your 626-08-GH-P1-E4-S5, and raise you to 626-06-GH-P1-E4-S5.  🙂

The one listed below for the LTCC is for the supply pressure.  The ALERT will run at about 1050 mbar, or 0.7 psi, so a 0-5 psi PT will be more accurate.

Can you convert the psi to mbar in Epics?  If not, then change to a -67 which is 0-0.5 Bar.


Thanks,
Bob
________________________________
From: Marc Mcmullen <mcmullen at jlab.org>
Sent: Monday, February 5, 2024 8:36 AM
To: Bob Miller <rmiller at jlab.org>; Marc Mcmullen via dsg-hallb_gas <dsg-hallb_gas at jlab.org>
Subject: Re: ALERT absolute pressure transmitter

Hi Bob,

Will the Dwyer 626 pressure sensors work for you?

Marc

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________________________________
From: dsg-hallb_gas <dsg-hallb_gas-bounces at jlab.org> on behalf of Marc Mcmullen via dsg-hallb_gas <dsg-hallb_gas at jlab.org>
Sent: Friday, February 2, 2024 12:45:52 PM
To: Bob Miller <rmiller at jlab.org>; Marc Mcmullen via dsg-hallb_gas <dsg-hallb_gas at jlab.org>
Subject: [dsg-hallb_gas] ALERT absolute pressure transmitter

Hi Bob,

I am waiting for the formal quote for the Alicat MFCs to put in the req. I am planning on ordering 3 +1 spare.

For the pressure transmitters, I think the ones we use on the LTCC should work:

 Dwyer 626-08-GH-P1-E4-S5<https://dwyer-inst.com/series626-628.html?utm_term=go_cmp-18506241757_adg-139893866097_ad-626055067638_kwd-298421221333_dev-c_ext-_prd-_mca-_sig-Cj0KCQiAwvKtBhDrARIsAJj-kTj7AJHIs3Q663ibWhQVIxmJguS_BFSyVF93XVi7n_V10KfmXr4VVykaAoJXEALw_wcB&utm_campaign=626+%26+628+-+Dwyer+Brand+Keywords&utm_source=google&utm_medium=cpc&hsa_acc=4712969374&hsa_cam=18506241757&hsa_grp=139893866097&hsa_ad=626055067638&hsa_src=g&hsa_tgt=kwd-298421221333&hsa_kw=dwyer%20pressure%20transducer&hsa_mt=b&hsa_net=adwords&hsa_ver=3&utm_content=brand&gad_source=1&gclid=Cj0KCQiAwvKtBhDrARIsAJj-kTj7AJHIs3Q663ibWhQVIxmJguS_BFSyVF93XVi7n_V10KfmXr4VVykaAoJXEALw_wcB>
accuracy = 0.25% of full scale
0 - 30 psig
1/4" NTP
0 - 10 V output

Let me know if this works for the system and I will order 3  + 1 spare.

Marc


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