The end with airy.
Finally accurately - with the volume flow rectifier from Testo.
The rectifier from Testo is with many 100 mm vane probe and thus with many testo devices system compatible.
By a fixed cross-section creates the rectifier from Testo defined flow conditions - for pristine measurement results.
Thanks to the volume flow rectifier testo vent 417, the measurement inaccuracies to twist outlets reduced by up to 50%.
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