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Rosemount 8800 MultiVariable Flow Meters
The Rosemount 8800 MultiVariable Vortex Flow Meter option combines temperature and flow devices into a single, highly accurate instrument, eliminating the costly installation of two separate devices.
The integrated, removable temperature sensor is isolated from the process and separate from the Vortex flow sensor. This facilitates independent verification or replacement of each sensor without shutdown or breaking the process seal. Additionally, the MultiVariable Vortex automatically adjusts for changes in density, making it easy to accurately measure mass and corrected volume in steam and liquid applications.
Rosemount 8800 MultiVariable Flow Meters

Specs

Flow Meter Accuracy
± 0.70% of mass flow rate in water using 8800 MultiVariable (MTA option)
± 2% of mass flow in steam using 8800 MultiVariable (MTA option)
± 0.65% of volumetric rate for liquids (uncompensated)
± 1% of volumetric rate for gas and steam (uncompensated)
Temperature Sensor Accuracy
± 2.2°F (1.2°C)
Turndown
38:1
Output
4-20 mA with HART 5 or 7
4-20 mA with HART 5 or 7 and scalable pulse output
FOUNDATION fieldbus ITK6 with 2 Analog Input blocks, 1 Backup Link Active Scheduler function block, 1 Integrator function block, and 1 PID function block
Wetted Materials
Stainless Steel; 316 / 316L and CF3M
Nickel Alloy; C-22 and CW2M
High Temp Carbon Steel; A105 and WCB
Low Temp Carbon Steel; LF2 and LCC
Duplex; UNS S32760 and 6A
Consult factory for other wetted material
Flange Options
ANSI Class 150 to 1500
DIN PN 10 to PN 160
JIS 10K to 40K
Flanges are available in a variety of facings
Consult factory for additional flange ratings
Process Temperature Limits
-330°F to 800°F (-200°C to 427°C)
Temperature Sensor Range
-40 to 800°F (-40 to 427°C)

Features

  • Automatically compensates for changing fluid density in steam and liquid applications
  • Independently verify or replace the isolated, removable temperature sensor without breaking process seal
  • Compensate any liquid flow using up to five user-definable temperature and density pairs
  • Perform advanced monitoring with flow/temperature variables that can be assigned to the 4-20 mA, digital or pulse output
  • Non-wetted sensor design increases plant availability by reducing shutdowns for maintenance or repair
  • A standard internal signal generator included in every meter simplifies electronics verification
  • Increase plant availability, decrease maintenance costs, and eliminate potential leak points with a unique gasket-free meter body design
  • The CriticalProcess valve (CPA option) provides an extra level of safety assurance by allowing users to verify secondary containment integrity
  • Achieve vibration immunity with a mass balanced sensor and Adaptive Digital Signal Processing with visual filtering

Education

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