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Reply by HorizontalMike

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Posted on Is there a simple (cheap) way of measuring a DC's suction?

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HorizontalMike

6938 posts in 1569 days


#1 posted 09-28-2012 06:22 PM

Also note that as soon as you start using your DC unit, regardless of it being a bag or a Wynn or some other brand, it will begin to suck less and less over time as dust gets caught in the filtering media (as it is supposed to do). That decrease in suction is related to efficiency of the filter. All filters, if ran long enough, will eventually become more and more efficient and they will reach 99.99% efficiency shortly before they hit 100% and become blocked.

I suggest you study this page on Filter Efficiency from the Wynn Environmental website.

That said, even a professional manufacturer has some issues with the ability to accurately measure dust filtering capacities with regards to a national standard. There are no clear cut answers here, though one can look at the trend lines and draw some general conclusions about all filters and their performance over time.

Happy reading.

-- HorizontalMike -- "Woodpeckers understand..."


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