[Dsg-htcc] CO2 Dewar

[nick markov]

Dear All,
I’ve set up an alarm on the flow value with a no-alarm range of [6 - 7] lpm.
In case we change the flow for some reasons, alarms limits are to be adjusted.
Nick.
> On Feb 1, 2017, at 9:11 AM, Marc McMullen <mcmullen at jlab.org> wrote:
> 
> Hi Denny,
> 
> The flow readback from the HTCC mass flow controller is dropping. The set point is 6.5lpm and the readback is 5.67 trending down. George thinks the pressure in the dewar is dropping, and an conservative adjustment to the pressure build up valve is necessary.
> 
> Thanks,
> 
> Marc McMullen
> Physics Division
> Detector Support Group
> 7738
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