[Dsg-ft] Flow rotameter for N2 purge

[Marco Battaglieri]

Dear George,
thanks for the prompt reply: we'll buy it soon
cheers
Marco

George Jacobs wrote:
> FYI, the flow currently used in EEL rm 125 was 500 sccm.  Was this too 
> high?
>
> For 2 cc per sec is 120 sccm. You would want, at a minimum, 0-300 
> sccm, so the reading is in the middle of the operational range.
>
> Aalborg part# PMR1-011387, $168, 0-300 sccm/min N2 range
>
> George
>
> On 11/21/2016 12:56 PM, Marco Battaglieri wrote:
>> Dear George,
>> is there any models down to ~500sccm/min (or lower)?
>> The flow meter we bought has a sensitivity well below. Considering we 
>> are expecting ~1-2 cc/sec (say 1-2 bubbles per second) we should get 
>> about 60-100 sccm/min and with a low precision gauge it's very 
>> possible we can not measure it.
>> Thanks in advance
>> Marco
>>
>> George Jacobs wrote:
>>> I recommend this flow rotameter, Aalborg part# PMR1-013465, $125, 
>>> 0-2000 sccm/min N2 range, for the N2 purge circuit. This item can be 
>>> purchased online using a credit card.
>>>
>>> -- 
>>> George Jacobs
>>> Jefferson Lab (TJNAF)
>>> STE 12
>>> 12000 Jefferson Ave.
>>> Newport News, VA 23606
>>>
>>> (office) 757-269-7115
>>>
>>> (cell)   757-876-0480
>>>
>>> (email)jacobsg at jlab.org
>>>
>>> (website)https://userweb.jlab.org/~jacobsg
>>>
>>>
>>> _______________________________________________
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>>
>
> -- 
> George Jacobs
> Jefferson Lab (TJNAF)
> STE 12
> 12000 Jefferson Ave.
> Newport News, VA 23606
>
> (office) 757-269-7115
>
> (cell)   757-876-0480
>
> (email)jacobsg at jlab.org
>
> (website)https://userweb.jlab.org/~jacobsg

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