| Customization: | Available |
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| Type: | Normal Pressure Transmitter |
| Structure Type: | Pressure Transmitter |
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Rosemount 3051S2CD High-Accuracy Pressure Transmitter Innovative Precision for Demanding Industrial Applications
1. Product Overview
The Rosemount 3051S2CD is a flagship differential pressure (DP) transmitter within Emerson's Rosemount 3051S Series, renowned for its ultra-high precision, reliability, and adaptability in critical industrial environments. Designed for applications requiring exceptional accuracy and long-term stability, this transmitter integrates advanced sensor technology with scalable solutions to optimize performance in flow, level, pressure, and interface measurements. Its robust construction and digital capabilities make it ideal for industries such as oil and gas, chemical processing, power generation, and pharmaceuticals
Key highlights include:
Ultra-High Accuracy: ±0.025% of calibrated span, ensuring precise measurements even under dynamic process conditions.
Extended Stability: 15-year limited warranty with minimal drift, reducing recalibration frequency and lifecycle costs.
Scalable Platform: Modular design supports integration with primary elements, manifolds, and seal systems for tailored configurations.
Safety Compliance: SIL3 certification (IEC 61508) for safety instrumented systems, validated by third-party agencies.
2. Technical Specifications
2.1 Core Performance Metrics
Measurement Range:
Differential Pressure (DP): Configurable spans from 0.1 inH2O to 4000 psi (0.25 mbar to 276 bar), adaptable to specific application needs.
Turndown Ratio: Up to 200:1, enabling wide operational flexibility without compromising accuracy.
Reference Accuracy: ±0.025% of span (standard), with optional enhancements for specialized applications.
Long-Term Stability: ±0.1% of URL (Upper Range Limit) over 15 years, minimizing maintenance downtime.
Response Time: <100 ms, critical for fast-loop control applications
Output Signals: 4-20 mA HART® with digital communication, Foundation Fieldbus, or Profibus protocols
2.2 Environmental Resilience
Operating Temperature: -40°C to +85°C (-40°F to +185°F) with optional LCD display compatibility
Overpressure Protection: Up to 311 bar (4500 psi) for harsh process conditions
Materials:
Process Wetted Parts: 316L SST, Alloy C-276, Tantalum, or gold-plated alloys for corrosion resistance.
Housing: NEMA 4X/IP67 rated stainless steel, suitable for hazardous areas.
2.3 Certifications and Compliance
Safety: IEC 61508 (SIL3), ATEX, IECEx, FM, CSA.
Industry Standards: ASME B16.5, EN 1092-1, JIS B2238 for flange and thread compatibility
| Parameter | Specification |
| Model | 3051S2CD2A2B12A1AB4D1I3M5Q4, 3051S2CD2A2E11A1AB4M5, etc. (configurable variants) |
| Measurement Type | Differential Pressure (DP), Gauge Pressure, Absolute Pressure, Flow, Level |
| Reference Accuracy | ±0.025% (Ultra Performance) or ±0.065% (Standard) |
| Turndown Ratio | 200:1 (Ultra Performance) / 100:1 (Standard) |
| Output Signal | 4-20 mA HART®, FOUNDATION™ Fieldbus, WirelessHART® (IEC 62591), PROFIBUS PA |
| Long-Term Stability | Up to 15 years (±0.1% of URL) |
| Warranty | 15-year limited warranty |
| Power Supply | 10.5-55 V DC (loop-powered) |
| Environmental Temperature | -40°C to 85°C (-40°F to 185°F) |
| Process Connection | Flanged or threaded (e.g., 1199 seal systems, DN100 PN40 RF flange) |
| Materials | 316L SST, Alloy C-276, Tantalum, gold-plated alloys (process isolators) |
| Protection Rating | IP66, IP68, NEMA 4X |
| Safety Certifications | ATEX, IECEx, FM, CSA (Explosion-proof/Intrinsically Safe), SIL 3 (IEC 61508) |
| Wireless Capability | WirelessHART® with 10-year battery life, 1-minute update rate (configurable 4 sec to 60 min) |
| Diagnostics | Advanced process intelligence, loop integrity diagnostics, multivariable compensation |
| Pressure Range | -62.2 kPa to 2070 kPa (dependent on model configuration) |
| Mounting | Coplanar™ platform for integrated manifolds, primary elements, or remote seals |
3. Design and Innovation
3.1 Sensor Technology
The 3051S2CD employs Dual-Capacitance Saturn™ Sensor Technology, which corrects for line pressure effects and overpressure conditions. This innovation ensures consistent accuracy across varying pressures and temperatures, even in pulsating or high-vibration environments.
3.2 Hermetic All-Welded Construction
Seal Systems: Fully welded SST design eliminates threaded connections, preventing leaks and enhancing reliability in vacuum or high-pressure applications
Tuned-System™ Assembly: Combines direct-mount seals with remote seals (e.g., 1199 series) to optimize performance in tall vessels or extreme temperature gradients, reducing installation costs by 20% and improving response time by 80%
3.3 Digital Integration
Electronic Remote Sensor (ERS™): Enables digital DP measurement using two synchronized pressure sensors on a single 4-20 mA loop, eliminating wet/dry legs and simplifying installations in distillation towers or storage tanks
Asset Tagging: QR-coded asset tags provide instant access to device documentation, calibration history, and troubleshooting guides via Emerson's MyEmerson platform
4. Application Versatility
The 3051S2CD excels in diverse applications:
Flow Measurement:
Integrates with orifice plates, venturi tubes, or Annubar® primary elements for precise DP-based flow calculations.
Supports mass and energy flow compensation using multivariable outputs (DP, static pressure, temperature).
Level Monitoring:
Ideal for interface detection in tanks with layered fluids or foaming processes.
Compatible with flange-mounted or capillary-connected seals for corrosive or high-temperature liquids
Pressure and Density:
Measures hydrostatic pressure for density calculations in slurry or viscous media.
Withstands clogging or crystallization with flush diaphragm options
Hygienic and Sanitary Applications:
EHEDG-compliant designs for food, beverage, and pharmaceutical industries
5. Installation and Maintenance
5.1 Simplified Deployment
Pre-Assembled Solutions: Factory-integrated with manifolds, valves, and seals (e.g., 1199WDA95KFFW9GDA00 flange assemblies), reducing field installation time by 30%
Flexible Mounting: Supports direct-mount, in-line, or remote configurations via coplanar or traditional manifolds.
5.2 Diagnostics and Maintenance
Predictive Diagnostics: HART® 7 or FOUNDATION Fieldbus protocols enable real-time alerts for sensor health, plugging detection, or seal failures
Wireless Configuration: Bluetooth-enabled tools (e.g., Emerson's AMS Trex) allow non-intrusive calibration and parameter adjustments
6. Competitive Advantages
Cost Efficiency:
Reduced lifecycle costs via 15-year stability and factory-leak testing.
Lower procurement expenses due to scalable modularity (e.g., fewer components compared to traditional DP setups).
Sustainability:
Energy-efficient designs minimize pressure loss in flow applications.
Global Support:
Emerson's worldwide service network offers calibration, repair, and technical support.
7. Ordering Information
The 3051S2CD model code includes configurable options for:
Output Type: HART, Fieldbus, or Profibus
Process Connections: Flanges (e.g., DN100 PN40 RF), threaded, or sanitary fittings
Materials and Seals: Customizable diaphragm coatings (e.g., Tantalum for acid resistance)
Example Configuration: 3051S2CD2A22A1AS2M5B4D4Q4BR7
Range: 0-160 kPa
Flange: 1199DDC59AFFWG1DA00
Certifications: ATEX, SIL3
8. Conclusion
The Rosemount 3051S2CD redefines precision instrumentation by combining cutting-edge sensor technology, rugged durability, and digital innovation. Its adaptability to extreme conditions, compliance with global safety standards, and reduced total cost of ownership make it an indispensable tool for modern industrial automation. For detailed specifications, consult the Rosemount 3051S Series Product Data Sheet or contact Emerson's technical support
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