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Rosemount-P-8800-Dual

Rosemount 8800 Dual Vortex Flow Meter

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Product Description

The Rosemount 8800 Dual Vortex provides a redundant flow measurement solution. The 8800 Dual Vortex Flow Meter protects against false trips using one out of two, or two out of two voting. The 8800 Dual Vortex Flow Meter offers world-class reliability with a gasket-free, non-clog meter body that eliminates potential leak points, resulting in maximum process availability and fewer unscheduled shutdowns.

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Dane techniczne

Flow Meter Accuracy
± 0.70% of mass flow rate in water using 8800 MultiVariable (MTA/MCA option)
± 2% of mass flow in steam using 8800 MultiVariable (MTA/MCA option)
± 1.3% of rate at 30 psia through 2,000 psia in steam using 8800 MultiVariable (MPA option)
± 1.2% of rate at 150 psia in steam using 8800 MultiVariable (MCA option)
± 1.3% of rate at 300 psia in steam using 8800 MultiVariable (MCA option)
± 1.6% of rate at 800 psia in steam using 8800 MultiVariable (MCA option)
± 2.5% of rate at 2,000 psia in steam using 8800 MultiVariable (MCA option)
± 0.65% of volumetric rate for liquids (uncompensated)
± 1% of volumetric rate for gas and steam (uncompensated)
Turndown
38:1 (single bar duals)
15:1 (dual bar duals)
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
Modbus RS-485 with device status and 4 variables
Wetted Material
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
Operating Temperatures
-330°F to 800°F (-200°C to 427°C)
Line Size
1/2" - 12" (15 - 300mm)

Charakterystyka

  • Dual sensors, sensing elements, and transmitter configuration provide a compact solution for redundant flow measurement
  • IEC 61508 certified for use in safety instrumented systems up to SIL 3 with 1oo2 voting
  • An isolated sensor allows for online replacement without breaking the process seal
  • Increase plant availability, decrease maintenance costs, and eliminate potential leak points with a unique gasket-free meter body design
  • The Critical Process 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
  • A standard internal signal generator included in every meter simplifies electronics verification
  • All meters are calibrated and are given a unique calibration number

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