[dsg-hallb_ltcc] Install the other 2 LTCC detectors

Brian Eng beng at jlab.org
Mon May 16 15:59:00 EDT 2022


Hi Bob,

I put two differential pressure sensors (but no ferrules on the swagelok fitting) and 200' of cable over near the LTCC rack on the FC. Just let me know when the cables are ready to be terminated.

Marc will check (and probably need to rewire) the chassis starting tomorrow. This will include some periods of downtime while power is removed. Since it's my understand the sectors still have N2 this shouldn't be any issue.

Code is already in good shape to handle these sensors, so I don't see any issues on that front.

> On May 13, 2022, at 3:03 PM, Brian Eng <beng at jlab.org> wrote:
> 
> We'll see what sensors and instrumentation is available on Monday.
> 
> Since Marc worked on a lot of that code I'll have him help when he's available on upgrading to the newer setup as well.
> 
> The only conflict will be that making sure the RICH construction isn't slowed down any while the INFN collaborators are here as that is currently DSG's highest priority. Based on their schedule we should be okay.
> 
> From: Bob Miller <rmiller at jlab.org>
> Sent: Friday, May 13, 2022 2:49 PM
> To: Brian Eng <beng at jlab.org>
> Subject: Install the other 2 LTCC detectors
>  
> Hi Brian,
> 
> Hall B has been tasked with installing the other 2 LTCCs this month to 
> use for run group C.  This was a late request from the run group and 
> Patrizia would like the detectors installed.
> 
> For sectors 3 and 5, a few years ago, we updated the gas system with 2 
> pressure sensors at each bubbler.
> 
> We need to do the same update for sectors 6 and 2, as well as test the 
> system for these sectors.
> 
> Can you check the system to see what is required to cable the new 
> sensors and update it?
> 
> I can install the bubblers and pressure transducers.
> 
> The run starts on June 8th, so I would like to have the tests completed 
> by May 29th, so I can fill the detectors May 30th.
> 
> Thanks
> 
> Bob
> 
> -- 
> Bob Miller
> Hall B Lead Engineer
> Jefferson Lab
> 757 822-9586
> 
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