Rosemount 405A Compact Annubar Primary Element

Designed to mount between raised-face flanges, the Rosemount™ 405A Compact Annubar™ Primary Element is an averaging pitot tube that provides dependable measurement precision. This sensor offers streamlined, economical installation by rejecting the need for impulse piping and additional process penetrations.

The patented T-shaped design features a flat upstream surface to enhance performance over a vast flow range and a stagnation zone to reduce noise and measurement imprecision.

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