Emerson Rosemount 3051SFC Flow Meter

Emerson Rosemount 3051SFC Compact Orifice Flow Meter: Complete Technical Specifications and Model Breakdown

The Emerson Rosemount 3051SFC Compact Orifice Flow Meter represents a significant advancement in differential pressure flow measurement technology. Combining multivariable measurement capabilities with a compact primary element design, this instrument delivers accurate flow data for closed-loop control, general process monitoring, and custody transfer applications across liquid, gas, and steam services-1.

Core Technical Specifications

The Rosemount 3051SFC platform is built on the scalable 3051S architecture, offering exceptional performance flexibility across a wide range of operating conditions. Below are the key technical specifications applicable to the entire 3051SFC product family.

Measurement Capabilities:

Fully compensated mass and energy flow calculations using differential pressure, static pressure, and temperature inputs-3

Line size range: 0.5 to 12 inches (15 to 300 mm)-1

Output variables: Differential pressure, static pressure, process temperature, scaled variable, mass flow, volumetric flow, energy flow-1

Pressure Ranges:

Differential pressure: Up to 1000 inH₂O (2.48 bar) for wired versions; up to 2000 psi (137.89 bar) for wireless configurations-1-11

Absolute pressure: Up to 3626 psia (250.00 bar)-1

Gage pressure: Up to 3626 psig (250.00 bar)-1

Performance Specifications:

Rangeability: Up to 200:1 (14:1 flow turndown)-1

Ultra for Flow performance class: ±0.04% of reading accuracy-1

Accuracy (conditioning orifice): 0.40 Beta: ±0.85% of flow rate at 8:1 flow turndown-16

Long-term stability: ±0.15% of URL for 15 years-35

Environmental & Operating Conditions:

Temperature range: Up to 450°F (232°C) for direct mounting-20

Process wetted material: 316 SST-1

Warranty: Up to 15-year limited warranty-1

Communications & Output:

4-20 mA HART®

WirelessHART®

FOUNDATION™ Fieldbus-1

Diagnostics & Certifications:

Basic Diagnostics, Loop Integrity, Process Intelligence, Plugged Impulse Line-1

SIL 2/3 certified to IEC 61508 by independent third party-1

NACE and hazardous location certifications-1

Wireless Specifications (when applicable):

Update rate: 1 second to 60 minutes, user selectable-1

Power module life: Up to 10 years, field replaceable-1

Wireless range: Long range (225 m), extended range (800 m), remote (225 m), high-gain remote (1 km)-1

Detailed Model Breakdown: 3051SFC1CS040N065T33KA1B5Q4Q8J5E1M5

The complete ordering code 3051SFC1CS040N065T33KA1B5Q4Q8J5E1M5 specifies a fully configured compact orifice flow meter. Each segment of the model number defines a specific aspect of the instrument’s construction and functionality.

Product Family: 3051SFC
This designation identifies the device as a Rosemount 3051S Series Compact Orifice Flow Meter within the scalable 3051S platform-3.

Option 1: Measurement Type — “1”
Multivariable measurement configuration supporting fully compensated mass and energy flow calculations using differential pressure, static pressure, and temperature inputs-53.

Option 2: Primary Element Type — “C”
Conditioning orifice plate featuring a patented 4-hole design. This primary element technology enables precise flow measurement even in turbulent flow profiles and reduces straight pipe run requirements to only 2D upstream and 2D downstream-11.

Option 3: Material Type — “S”
316 stainless steel construction for all wetted parts, ensuring broad chemical compatibility and corrosion resistance across most industrial applications-53.

Option 4: Line Size — “040”
Nominal line size of 4 inches (100 mm)-3.

Option 5: Primary Element Details — “N065”
0.65 Beta ratio primary element with square-edged concentric bore configuration. The Beta ratio (β = orifice diameter / pipe diameter) of 0.65 provides an optimal balance between pressure drop and flow measurement sensitivity.

Option 6: Temperature Measurement — “T33”
Integral RTD temperature sensor for direct process temperature measurement, essential for fully compensated mass and energy flow calculations-3.

Option 7: Transmitter Connection Platform — “K”
Direct mount configuration with integrated 3-valve manifold for simplified installation and maintenance access. The integral manifold allows for transmitter zeroing and calibration without process interruption.

Option 8: Differential Pressure Range — “A1”
Lower range differential pressure sensor calibrated for low-flow applications requiring high sensitivity.

Option 9: Static Pressure Range — “B5”
Static pressure sensor calibrated to accommodate the process pressure requirements of the intended application.

Option 10: Transmitter Output — “Q4”
4-20 mA output with digital signal based on HART protocol, providing both analog control signal and digital device communication-3.

Option 11: Transmitter Housing Type — “Q8”
PlantWeb housing with M20 x 1.5 conduit entry, aluminum construction with聚氨酯 coating.

Option 12: Transmitter Performance Class — “J5”
Ultra for Flow performance class delivering:

0.75% flow rate accuracy

14:1 flow turndown

15-year stability

15-year limited warranty-3

Option 13: Hazardous Location Certifications — “E1”
ATEX flameproof certification appropriate for Zone 1/Zone 2 hazardous area installations.

Option 14: Display — “M5”
PlantWeb LCD display for local process variable readout and configuration-3.

Key Design Features of the 3051SFC Platform Across All Configurations

Built-in Flow Calculations
The 3051SFC series incorporates onboard flow computing algorithms for direct reporting of fully-compensated mass flow, eliminating the need for external flow computers-12. The Callendar-Van Dusen sensor matching further improves temperature accuracy, enabling best-in-class flow calculations-12.

Reduced Piping Requirements
The patented 4-hole conditioning orifice plate technology requires only 2D upstream and 2D downstream straight pipe runs for proper flow profile conditioning, significantly reducing installation footprint compared to traditional orifice metering systems that may require 10-20D of straight run-11.

Simplified Installation
Every 3051SFC flow meter comes fully configured, leak-tested, and ready to install right out of the box. The primary element includes an optional self-centering mechanism that simplifies alignment between flanges and ensures optimal measurement accuracy-12. The entire assembly fits directly between existing raised-face flanges without special adapters or pipe modifications-12.

Advanced Diagnostics
Process Intelligence and Plugged Impulse Line diagnostics provide continuous monitoring of process conditions and measurement integrity, detecting abnormal conditions before they affect process operations or product quality-12.

Wireless Capabilities
For remote or cost-sensitive installations, the WirelessHART® version (which shares the 3051SFC platform) delivers >99% data reliability without the expense of cabling. The SmartPower™ module provides up to 10 years of maintenance-free battery operation and can be field-replaced without removing the transmitter-12.

Trouble-Free Integration
By eliminating unnecessary pipe penetrations and integrating all sensing elements into a single assembly, the 3051SFC platform reduces potential leak points and installation complexity compared to traditional DP flow measurement systems that require separate impulse lines, fittings, and transmitter mounting hardware-12.

Application Suitability

The 3051SFC family, including configuration 3051SFC1CS040N065T33KA1B5Q4Q8J5E1M5, is engineered for reliable operation in demanding industrial environments:

Temperature: Up to 232°C (450°F) for direct-mounted configurations-20

Pressure: Up to 250 bar (3626 psi) static

Media: Clean liquids, gases, and steam across a broad range of process conditions-1

Environments: Certified for hazardous locations, NACE compliance, and SIL 2/3 safety instrumented systems