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Rosemount Compact Annubar Flowmeters

3051SFC, 3095MFC, 3051CFC, 2051CFC, 405A

The Rosemount Compact Annubar Flowmeter combines the innovative technology of the Annubar averaging pitot tube and the user-friendly 405 platform. Save time and money with a fully-integrated flowmeter solution that eliminates impulse piping and additional pipe penetrations.

Features of the Rosemount Compact Annubar Flowmeter include:

  • Energy Savings gained through minimal permanent pressure loss
  • Easy installation between existing raised-face flanges
  • A self-centering ring ensures optimal accuracy while improving installation
  • Real-time mass and energy flow measurements available with integral temperature
DP Flow Configuration Assistant

Use the online DP Flow Configuration Assistant to quickly and easily complete the information required for a sizing.


Minimize permanent pressure loss with Rosemount Annubar Technology


Gain more insight into your process with Rosemount integrated MultiVariable flowmeters


DP Flow is the most common flow measurement technology – learn how it works!


Rosemount Compact Annubar Flowmeter Installation
How to install a Compact Annubar Averaging Pitot Tube Flowmeter. [2:40]

Rosemount DP Flow Engineering Guide
The DP Flow Guide is your go-to resource for DP Flow Measurement questions about theory, applications, and installation
> Visit the Engineering Guide pages
DocumentationFeatures & BenefitsSpecificationsApplicationsAssociated Products
 Approvals & Certificates
 Product Certificates & Approvals
 Declaration of Conformity: Rosemount Annubar, ProBar, Mass ProBar, ProPlate, Mass ProPlate, 405, 1195, 1495, 1496, 1497, Eagle Eye
52 KBpdfOctober 2014K
 Product & Service Documentation
 Brochure: Rosemount Annubar® Flowmeter Series
15 MBpdfJanuary 2012CB
 Data Sheets - Bulletins - Catalogs
 Configuration Data Sheet: DP Flow Configuration Assistant
2 KBhtmJune 2013
 Configuration Data Sheet: Rosemount DP Flow
718 KBpdfAugust 2012FA
 DP Flow Specification Sheet
31 KBpdfDecember 2013AA
 Product Data Sheet: Rosemount DP Flowmeters and Primary Elements
10 MBpdfMarch 2015FB
 Specification Sheet: Rosemount DP Flowmeters
79 KBpdfApril 2013AA
 Drawings & Schematics
 Type 1 Drawing: Rosemount 405 Compact Orifice Plate / Flowmeter (3051SFC,3051CFC 2051CFC, 3095MFC), 2D PDF
4 MBpdfMarch 2012AO
 Manuals & Guides
 Quick Start Guide: Rosemount 405 Compact Primary Element
2 MBpdfMay 2015FG