| Customization: | Available |
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| Type: | Differential Pressure Transmitter |
| Structure Type: | Strain Gauge Pressure Transmitter |
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Rosemount 3051GP Pressure Transmitter Product Overview
The Rosemount 3051GP Pressure Transmitter is a benchmark in industrial pressure measurement, designed to deliver exceptional accuracy, reliability, and versatility across demanding applications. This product overview synthesizes technical specifications, performance attributes, and application insights to provide a comprehensive understanding of its capabilities.
1. Product Introduction
The Rosemount 3051GP is a high-performance pressure transmitter optimized for gauge pressure measurement. As part of the globally recognized 3051 series, it combines robust engineering with advanced sensor technology to excel in harsh industrial environments. Manufactured by Emerson's Rosemount division, the 3051GP is renowned for its precision, durability, and ease of integration into process control systems
Key Features:
Pressure Range: 0-1.5 psi to 0-4000 psi (0-10 kPa to 0-27580 kPa), offering flexibility for diverse industrial needs
Reference Accuracy: ±0.075% of the calibrated span, ensuring precise measurements even under variable conditions
Stability: ±0.125% URL over five years, reducing recalibration frequency and lifecycle costs
Compact Design: Lightweight and space-efficient, enabling easy installation in confined spaces
2. Technical Specifications
Performance Metrics
Accuracy:
±0.075% of span (for spans with a range ratio ≥5:1).
For spans <5:1, accuracy is calculated as ±[0.025 + 0.01 × (URL/span)]%
Environmental Temperature Effects:
±(0.15% URL + 0.15% span)/50°F (28°C) across -40°F to 185°F (-40°C to 85°C)
Response Time: <1 millisecond, facilitating rapid process adjustments
RFI Immunity: ±0.25% URL under 20-1000 MHz, 30 V/m (shielded cabling)
Mechanical and Electrical Specifications
Power Supply: 10.5-55 VDC (4-20 mA output)
Load Limits:
Maximum loop resistance = 43.5 × (supply voltage - 10.5)
Overpressure Limits: Up to 15,000 psi (103.4 MPa) depending on the model
Hazardous Area Certifications:
FM approvals for Class I Div 1 (Groups B-D), Class II Div 1 (Groups E-G), and Class III
ATEX/IECEx compliance for global deployment.
Materials and Construction
Wetted Parts:
Isolation Diaphragm: 316L SST, Hastelloy C-276, or Monel®
O-Rings: Nitrile or graphite-filled TFE
Housing: Aluminum with polyurethane coating, NEMA 4X/IP66 rated
Weight: Approximately 2.44 lbs (1.11 kg), facilitating portability
| Parameter | Value/Description |
| Model | Rosemount 3051GP |
| Pressure Range | 0-1.5 psi to 0-4000 psi (0-10 kPa to 0-27580 kPa) |
| Reference Accuracy | ±0.075% of span (includes linearity, hysteresis, and repeatability) |
| Output Signal | 4-20 mA with HART® digital signal |
| Power Supply | 10.5-55 VDC (unloaded) |
| Loop Load Limit | Maximum loop resistance = 43.5 × (supply voltage - 10.5) |
| Overpressure Limit | Up to 6000 psi (41.4 MPa) or 15,000 psi (103.4 MPa), depending on range |
| Environmental Temp. Range | -40°C to 85°C (-40°F to 185°F); -20°C to 80°C with integrated LCD |
| Storage Temp. Range | -46°C to 110°C (-50°F to 230°F) |
| Stability | ±0.125% URL over 5 years |
| Response Time | <2 seconds to reach performance specifications after power-up |
| Process Connection | 1/2-14 NPT female or M20×1.5 (optional) |
| Isolation Diaphragm | 316L SST, Hastelloy C-276 |
| Filling Fluid | Silicone oil |
| Housing Material | Aluminum with polyurethane coating |
| Communication Protocol | HART®, Foundation Fieldbus, Profibus (optional) |
| Certifications | FM Explosion-proof (E5), Intrinsic Safety (I5), FM Non-Incendive (K5), ATEX, IECEx |
| Vibration Impact | ±0.1% URL/g (15-2000 Hz) |
| Power Supply Impact | <±0.01% of span per volt |
| Mounting Position Effect | Zero shift up to 63.5 mmH2O (correctable); no span effect |
| RFI Impact | <±0.25% URL (20-1000 MHz, 30 V/m with conduit); <±0.25% URL (20-1000 MHz, 10 V/m without conduit) |
3. Application Flexibility
The 3051GP is engineered for versatility in critical industrial sectors:
Industrial Process Control
Pressure Monitoring: Ideal for pipelines, reactors, and hydraulic systems requiring stable, high-accuracy measurements
Liquid Level Measurement: Compatible with flange-mounted configurations for tanks and vessels
Flow Measurement: Integrates with differential pressure (DP) flow elements (e.g., orifice plates, Annubar®) for compensated flow calculations.
Challenging Environments
High-Temperature Applications: Operates reliably in environments up to 185°F (85°C)
Corrosive Media: Hastelloy C-276 and Monel® diaphragms resist acidic and caustic fluids
4. Advanced Features
Dynamic Performance
The 3051GP's fast response time (<1 ms) enhances control loop efficiency, outperforming competing smart transmitters by up to 10×
. This capability is critical for real-time process optimization in industries like oil refining and chemical processing.
Stability and Longevity
5-Year Stability: Validated through rigorous testing exceeding IEC 770 standards, minimizing maintenance downtime
Silicon Oil Filling: Reduces temperature-induced drift, ensuring consistent performance.
Diagnostic Capabilities
Integrated LCD Display: Configurable to show pressure values, diagnostics, and unit status (optional)
HART® Communication: Enables digital configuration, calibration, and diagnostics via 4-20 mA analog signals
5. Model Configuration and Options
Standard Configurations
Output Options:
4-20 mA with HART® 7 protocol
Foundation Fieldbus or Profibus PA (optional).
Process Connections:
1/2" NPT, M20×1.5, or flanged options for direct valve manifold integration
Optional Enhancements
Integrated Valve Manifolds: Pre-assembled and leak-tested for reduced installation costs (e.g., 306 Series)
Transient Voltage Protection: Complies with IEEE C62.41 (6 kV surge immunity)
LCD Display: Displays pressure, diagnostics, and custom units (e.g., psi, kPa)
6. Installation and Maintenance
Mounting Guidelines
Orientation: Zero drift ≤2.5 inH2O (63.5 mmH2O), correctable via calibration
Torque Specifications:
Carbon steel bolts: 650 in-lb (73 N·m)
Stainless steel bolts: 300 in-lb (34 N·m)
Calibration and Diagnostics
Field Adjustability: Zero and span adjustments via hardware or software
Factory Testing: Hydrostatic and leak tests ensure compliance with API and ASME standards.
7. Compliance and Certifications
Global Standards: IEC 61508 (SIL 3 capability), NACE MR0103 for sour service
Safety Certifications: FM, ATEX, IECEx, and CSA approvals for hazardous locations
8. Competitive Advantages
Cost Efficiency: Factory-integrated valve manifolds reduce installation labor by 50%.
Scalability: Compatible with PlantWeb™ digital ecosystems for seamless integration into IIoT frameworks.
Sustainability: Reduced recalibration needs lower resource consumption and waste
9. Conclusion
The Rosemount 3051GP Pressure Transmitter sets the industry standard for precision, reliability, and adaptability. Its advanced sensor technology, coupled with Emerson's global support network, makes it an indispensable tool for industries ranging from oil and gas to pharmaceuticals. For detailed configuration guidance or region-specific certifications, consult Rosemount's technical team or authorized distributors
The packaging and transportation of instrumentation in global trade hinges on a synergy of advanced materials, rigorous testing, regulatory compliance, and smart logistics. By adopting hybrid structural designs, leveraging real-time monitoring technologies, and prioritizing sustainability, exporters can ensure the safe, efficient, and cost-effective delivery of precision instruments. Continuous innovation in materials science and IoT integration will further redefine industry standards, enhancing resilience in an increasingly interconnected market.
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A: We will reply to you as soon as we see the information.
Q: What is the delivery time?
A: Our delivery time is within 3-7 days after we get your payment;
for large qty mass orders, the time should be confirmed again for you.
Q: How about your package?
A: Do not worry about the package, we have rich experience in packing, and all our package is wooden case package.
Q: How about the payment terms?
A: You can choose T/T.
Q: Do you provide samples?
A: Yes, we have materials in stock to help you to get the samples as soon as we can.
Q: What is the MOQ?
A:1PC.
Q: Can I get a lower price if I order large quantities?
A: Yes, cheaper prices with more bigger size orders.
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