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09-09-2010 -- 00:26:10

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Question: Which mass flow controller is better?
Sierra - 1 (25%)
MKS - 3 (75%)
Total Voters: 4

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Author Topic: Sierra MFC Versus MKS MFC  (Read 342 times)
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USMCPMEL
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« 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.
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michthai
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« Reply #1 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.
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« Reply #2 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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