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More accurate volume flow measurement independent of the swirl direction
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Reliable measurement results on swirl outlets
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Flow straightener retrofittable for existing Testo funnels sets
The testovent 417 volume flow rectifier is ideal for precise measurements with the testo 417 (0554 4170) or 100 mm vane wheel measuring probes (0635 9435, 0635 9343 and 0635 9340).