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PMEL Forum

K Sections => K5/6 - Physical Dimensional => Topic started by: USMCPMEL on 07-16-2010 -- 09:58:27

Poll
Question: Which mass flow controller is better?
Option 1: Sierra votes: 1
Option 2: MKS votes: 3
Title: Sierra MFC Versus MKS MFC
Post by: USMCPMEL on 07-16-2010 -- 09:58:27
Ok I am trying to get a good sampling of our community to see which direction I should head in the future on the beasties...Please vote if you have experience with these.
Title: Re: Sierra MFC Versus MKS MFC
Post by: michthai on 07-28-2010 -- 07:00:58
We calibrate literally hundreds of flow controllers annually and by far the MKS is better.  The Sierra's do not hold calibration and that problem gets worse as they age.
Title: Re: Sierra MFC Versus MKS MFC
Post by: Hawaii596 on 08-03-2010 -- 10:45:34
I've been in and out of the MFC world, but I do calibrate MKS baratrons (hoping to put a second MKS system on line pretty soon).  So MKS is pretty good stuff; but I can't fairly speak to Sierra (although I know of them), as I haven't cal'd many.

I would be showing my age by saying that last time I was calibrating MFC's they were all analogue, and Tylan FC-260 series was popular.
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