Recent content by Bonedrycarpet

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    Converting CFM on an Anemometer help? 4.5 inch orifice on vacuum

    I have an anemometer that I bought that does not have the ability to put in the ID of the orifice I am trying to measure. In this case it is a 4.5 inch orifice-stays the same for me 95 percent of the time. Does anyone know how I convert the reading manually so that I can get an accurate...
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