Product Description
Rosemount 3051S2CG Pressure Transmitter Product Introduction
1. Product Overview
The Rosemount 3051S2CG is a high-performance differential pressure (DP) transmitter within the Rosemount 3051S Scalable™ Instrumentation Series, designed by Emerson Process Management. This model combines advanced sensor technology, robust construction, and flexible configurability to deliver precise and reliable measurements across diverse industrial applications, including pressure, flow, and level monitoring. As a "Typical" tier variant in the 3051S series, it balances cost-effectiveness with superior performance, making it ideal for applications requiring stable long-term operation
Key features include:
Scalable Design: Adaptable to evolving process needs, allowing future upgrades like wireless connectivity or advanced diagnostics without hardware replacement
Industry-Leading Stability: Five-year stability guarantee (±0.125% of upper range limit), minimizing recalibration frequency and maintenance costs
Robust Construction: Hermetic all-welded stainless steel (SST) sensor module, ensuring durability in harsh environments.
Detailed Photos
2. Technical Specifications
2.1 Core Performance Metrics
Accuracy: ±0.15% of calibrated span (Typical tier), suitable for most industrial applications
Turndown Ratio: Up to 100:1, enabling wide measurement range flexibility.
Output Signal: 4-20 mA with HART® 7 protocol digital overlay, compatible with Foundation Fieldbus and Profibus communication
Pressure Ranges:
Differential Pressure (DP): 0.1 inH2O to 4000 psi (0.25 mbar to 276 bar).
Overpressure Limit: Up to 68950 kPa (refer to specific model documentation)
Temperature Range:
Process Temperature: -40°C to 85°C (-40°F to 185°F)
Ambient Temperature: -40°C to 85°C with optional LCD display
2.2 Stability & Longevity
Long-Term Stability: ±0.125% of upper range limit over five years under standard conditions (28°C, 68.9 bar line pressure)
Warranty: Backed by Emerson's 15-year limited warranty for the SuperModule™ platform, reflecting confidence in its reliability.
2.3 Compliance & Certifications
Safety Standards: IEC 61508 certified for Safety Instrumented Systems (SIS) up to SIL 3 with redundancy configurations.
Explosion Protection: Compliant with ATEX, IECEx, and FM standards for hazardous area installations
Product Parameters
| Parameter |
Specification |
| Model |
Rosemount 3051S2CG |
| Measurement Type |
Gauge Pressure, Differential Pressure |
| Output Signal |
4-20 mA with HART® 7 protocol, Foundation Fieldbus, or Profibus (configurable) |
| Reference Accuracy |
±0.15% of span (typical) |
| Long-Term Stability |
±0.125% of URL (upper range limit) over 5 years |
| Turndown Ratio |
100:1 |
| Process Connection |
Coplanar™ flange (standard), ANSI/ASME B16.5 or DIN-compliant options available |
| Communication Protocol |
HART®, Foundation Fieldbus, Profibus PA |
| Certification |
CMC (China Metrology Certification), CPA, ATEX, IECEx, SIL 2/3 compliant |
| Ambient Temperature Range |
-40°C to +85°C (-40°F to +185°F) |
| Process Temperature Range |
-40°C to +120°C (-40°F to +248°F) |
| Power Supply |
10.5-55 V DC (HART), 9-32 V DC (Fieldbus) |
| Enclosure Rating |
IP67, NEMA 4X |
| Materials |
316L stainless steel (wetted parts), Hastelloy® C-276 optional |
| Mounting |
Direct or remote mounting with Coplanar™ flange |
3. Design & Engineering Innovations
3.1 Sensor Technology
The 3051S2CG utilizes dual-capacitance Saturn™ sensor technology, which corrects for line pressure and temperature effects, ensuring accuracy even under fluctuating process conditions. Key advantages include:
Hermetic Isolation: All-welded SST construction prevents moisture ingress and sensor contamination.
Dynamic Response: Fast response time (≤100 ms), outperforming conventional transmitters for critical control loops
3.2 Coplanar™ Platform
The patented Coplanar design integrates the manifold, primary element, and seals into a single assembly, offering:
Reduced Installation Costs: Pre-assembled configurations lower labor and material expenses by up to 50%
Leak Prevention: Factory-tested assemblies eliminate field leakage risks
3.3 Modular Electronics
Scalable™ Architecture: Supports future upgrades like WirelessHART® or advanced diagnostics via software updates.
LCD Display: Optional local interface for real-time diagnostics, configuration, and troubleshooting
4. Application Versatility
The 3051S2CG is engineered for diverse industries:
4.1 Oil & Gas
Flow Measurement: Integrates with orifice plates or Annubar® elements for custody transfer.
Level Monitoring: Tank gauging with ±0.05% readability in high-temperature environments.
4.2 Chemical & Petrochemical
Corrosive Media Compatibility: Optional Alloy C-276 or Tantalum isolators resist acidic/alkaline fluids.
Safety Systems: SIL 3 certification ensures compliance with reactor pressure safety protocols.
4.3 Power Generation
Steam Flow Measurement: Withstands high-temperature steam lines using cooling elements
Feedwater Control: High turndown ratio adapts to variable load demands
4.4 Water & Wastewater
Differential Level Sensing: Submersible configurations for open-channel flow.
5. Installation & Configuration
5.1 Mounting Options
Direct Mounting: Threaded or flange connections for compact installations
Remote Seal Systems: For high-viscosity or high-temperature processes.
5.2 Wiring & Commissioning
HART® Communication: Use the Rosemount 475 Field Communicator or AMS Suite for zero/span adjustments
Explosion Safety: Follow ATEX guidelines when wiring in hazardous areas (e.g., intrinsic safety barriers)
5.3 Maintenance
Diagnostics: Built-in alerts for sensor drift, overpressure, or temperature extremes.
Calibration: Five-year intervals under normal operating conditions
6. Competitive Advantages
Cost Efficiency:
30% lower lifecycle costs due to reduced recalibration and downtime
Pre-assembled flow meters cut installation time by 70%.
Sustainability:
Energy-optimized designs reduce CO2 emissions in HVAC systems.
Future-Proofing:
Seamless integration with PlantWeb™ digital ecosystems for Industry 4.0 readiness.
7. Ordering Information
Model Code: 3051S2CG (Typical accuracy tier, Coplanar platform, 316L SST isolator)
Options:
LCD Display (Code: S4).
Extended Warranty (Code: W15).
Hazardous Area Certifications (e.g., ATEX/IECEx)
8. Conclusion
The Rosemount 3051S2CG redefines reliability in pressure measurement, blending precision, durability, and adaptability. Its scalable architecture ensures compatibility with evolving industrial demands, while its SIL 3 certification and global compliance make it a trusted choice for critical applications. For detailed datasheets or configuration guides, visit Emerson's official resources
Packaging & Shipping
Company Profile
KeRui (Weifang) Automation Equipment Co., Ltd.Specializes in industrial automation instrument development, production and sales, technical services, and supporting equipment supply to specialized companies. The main products are flow meters, level meters, temperature meters, pressure meters, electrical meters, thermal intelligent meters, programmable controllers (PLC), DCS distributed control systems, and eight series of more than 1,000 specifications. Its products and technologies are widely used in electric power, metallurgy, petrochemicals, environmental protection, plastics, food, printing, tobacco, textile, dyeing, and other fields.
FAQ
1.Q: How long is the delivery?
-- Mostly within 10days
2.Q:Can I get a sample?
-- Sure, contact our sales please
3.Q:What is your MOQ?
-- 1pcs
4.Q: How about warranty time?
-- 12month
5.Q: How can I visit your factory?
-- Fly to Qingdao air port, it's our pleasure to pick you up.
6.Q:How do you control your quality ?
-- We have EPR system .we control from parts, process, testing, packing ,retesting.
Every Sensor will be tested two times before reach you, after that sport test for the third time. Make sure about the quantity.
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