[Dsg-mvt] premix

[Marc McMullen]

Hi Bob,

My last purchase was in January, the cost was $172 per bottle.

Thanks,

Marc


On 6/13/2018 8:47 AM, Bob Miller wrote:
>
> Hi Marc,
>
> What is the cost and lead time for a bottle of premix?
>
> Thanks,
>
> Bob
>
>
> On 6/13/2018 7:57 AM, Marc McMullen wrote:
>> Maxime,
>>
>> As soon as you know how much premix is needed let me know.
>>
>> As far as the operation of the MFC, all are currently operational. 
>> They have been fine as long as we keep them within the manufactures 
>> operating range (10C to 50C), and the C4H10 is not allowed to condense.
>>
>> Hall B should be contacted about the stability of temperature of the 
>> enclosure and C4H10 gas piping during the extremes (hot and cold 
>> weather). They can provide you the status of the set up on the Target 
>> gas pad.
>>
>> Marc McMullen
>> Physics Division
>> Detector Support Group
>> 7738
>>
>> ------------------------------------------------------------------------
>> *From: *"mdefurne" <mdefurne at jlab.org>
>> *To: *dsg-mvt at jlab.org, "Todd Ewing" <jtewing at jlab.org>, "Yuri Gotra" 
>> <gotra at jlab.org>
>> *Sent: *Wednesday, June 13, 2018 9:01:11 AM
>> *Subject: *Re: [Dsg-mvt] premix
>>
>> Dear Marc, Dear Todd,
>>
>> Being in Paris, it will be hard for me to give you an exact number for
>> the remaining bottles at Jefferson Lab. Todd, can you check how many
>> premix bottles we have please?
>>
>> For 8 weeks, we need to have 28 bottles (~2 days/bottle). I think there
>> might be 4 bottles left. Which means we have to order 24 premix bottles
>> to be sure we are ready in case of any failure from the mixing system.
>>
>> What is the status concerning the MFCs? Are the ones with condensed
>> isobutane in winter fixed?
>>
>> No expected issue with mixing system when we come back end of july?
>> (because of summer heat)
>>
>> Kind regards,
>>
>> Maxime
>>
>> PS: Let me know if the order is not validated in time to have the
>> bottles for August 23rd.
>>
>>
>> On 12/06/2018 23:28, Marc McMullen wrote:
>> > Hi Maxime,
>> >
>> > Please make sure that you are aware of the amount of Ar/C4H10 premix
>> > bottles you currently have by the gas shed. Although the run is a
>> > little bit in the future, ordering the gas now would probably a good
>> > idea. Delivery takes about 6 to 8 weeks. I am sure you have an account
>> > of your usage of premix to help estimate how much should be ordered.
>> >
>> > Thanks,
>> >
>>
>> _______________________________________________
>> Dsg-mvt mailing list
>> Dsg-mvt at jlab.org
>> https://mailman.jlab.org/mailman/listinfo/dsg-mvt
>
> -- 
> Bob Miller
> Hall B Lead Engineer
> Jefferson Lab
> 757 822-9586
>

-- 
Marc McMullen
Detector Support Group
757-269-7738

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