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Product Introduction: Rosemount 5301 Guided Wave Radar Level Transmitter
1. Overview
The Rosemount 5301 Guided Wave Radar (GWR) Level Transmitter, part of the Rosemount 5300 series by Emerson, is a high-performance instrument designed for precise and reliable level measurement in challenging liquid and interface applications. Utilizing Time Domain Reflectometry (TDR) technology, it delivers exceptional accuracy (±3 mm) and repeatability (±1 mm) across a wide range of industrial processes, including chemical, petrochemical, power generation, and bulk storage
Its robust design, advanced diagnostics, and compliance with safety standards (e.g., SIL 2) make it a preferred choice for critical applications requiring safety and operational efficiency.
2. Key Features
2.1 Superior Measurement Performance
Direct Switch Technology: Enhances reliability in low dielectric constant media (e.g., hydrocarbons, light liquids) by optimizing signal reflection and reducing false echoes .
Probe End Projection: Ensures accurate measurements even at the probe's end, suitable for long-range applications up to 50 meters
Dynamic Vapor Compensation: Maintains accuracy in environments with saturated steam or vapor interference .
2.2 Robust Design and Flexibility
Probe Options: Compatible with rigid single-rod, coaxial, PTFE-coated, and segmented probes, accommodating diverse tank geometries and media types (corrosive, viscous, or high-temperature liquids)
Material Diversity: Probes are available in stainless steel, Alloy 400, Alloy C276, and PTFE-coated variants for chemical resistance
Wide Operational Range: Operates under extreme conditions (-196°C to 400°C; full vacuum to 345 bar)
2.3 Advanced Diagnostics and Integration
Multivariable™ Transmitter: Reduces the need for additional instruments by integrating level, interface, temperature, and volume measurements into a single device
Predictive Maintenance: Proactive diagnostics detect issues like probe fouling or process anomalies, minimizing downtime
Seamless Connectivity: Supports HART 7, Foundation Fieldbus, Modbus, and WirelessHART® via the Emerson THUM® Adapter for integration with PlantWeb® digital ecosystems
2.4 Safety and Compliance
SIL 2 Certification: Complies with IEC 61508 for safety instrumented systems (SFF >90%)
Explosion-Proof Certifications: ATEX, IECEx, FM, CSA, and TÜV-approved for hazardous areas
Overfill Prevention: WHG-certified for spill prevention in environmental protection applications
| Parameter | Details |
| Measurement Principle | Time Domain Reflectometry (TDR) with guided microwave pulses |
| Measurement Range | Up to 50 m (164 ft) |
| Accuracy | ±3 mm or 0.03% of measured distance (whichever is greater) |
| Repeatability | ±1 mm |
| Process Temperature | -196°C to 400°C (-320°F to 752°F) |
| Process Pressure | Full vacuum to 345 bar (5000 psi) |
| Output Signals | 4-20 mA/HART, Foundation Fieldbus, Modbus |
| Probe Materials | Stainless steel, Alloy 400, Alloy C276, PTFE-coated |
| Enclosure Rating | IP66/IP67, Type 4X |
| Certifications | SIL 2, ATEX, IECEx, FM, CSA, WHG |
4. Measurement Principle
The Rosemount 5301 emits low-power, nanosecond microwave pulses along a submerged probe. When the pulse encounters a medium with a differing dielectric constant (e.g., liquid-liquid or liquid-vapor interfaces), part of the energy reflects to the transmitter. The time difference between transmitted and reflected pulses is converted into distance, calculating total level or interface position. Key advantages include:
Interface Measurement: Detects two-liquid interfaces (e.g., oil-water) with a top layer as thin as 2.5 cm .
Dielectric Independence: No compensation needed for density, conductivity, or viscosity changes
5. Applications
The 5301 excels in:
Liquid Level Monitoring: Tanks, reactors, and pipelines for water, chemicals, or hydrocarbons.
Interface Measurement: Separating immiscible liquids (e.g., oil/water) in separators
High-Temperature/Pressure Environments: Steam drums, cryogenic storage, and pressurized vessels.
Challenging Media: Foaming, turbulent, or low-dielectric liquids (ε ≥1.2)
6. Installation and Configuration
6.1 Hardware Installation
Probe Cutting: Customize probe length using guided steps (mark, cut, and seal threads) to match tank height
Mounting Options: Top-down installation minimizes leakage risks; compatible with flanges, threaded, or chamber connections .
6.2 Software Configuration
Tools: Configure via Rosemount Radar Master, AMS Suite, DeltaV, or the 475 Field Communicator with HART/FF protocols
Guided Setup: Input tank height, probe length, and dielectric constants using the intuitive interface
7. Maintenance and Diagnostics
EchoLogics® Software: Visualizes echo curves to troubleshoot signal issues (e.g., false echoes from tank walls) .
Online Verification: Built-in verification reflector validates device performance without process interruption
Self-Diagnostics: Alerts for probe coating, signal loss, or over-temperature conditions
8. Safety and Certifications
Functional Safety: SIL 2 compliance ensures reliability in safety-critical systems
Explosion Protection: Options for intrinsic safety (IS) or flameproof (Ex d) enclosures
Environmental Compliance: WHG-certified for spill prevention in regulated industries
9. Ordering Information
The 5301 model code includes options for probe type, materials, output protocols, and certifications. Example: 5301HA1S1V1AM00205AA
HA1: Coaxial probe
S1: Stainless steel
V1: HART 7 output
AM: SIL 2 certification .
For full customization, consult Emerson's configuration tools or local distributors.
10. Conclusion
The Rosemount 5301 combines cutting-edge radar technology, rugged construction, and smart diagnostics to deliver unmatched reliability in level and interface measurement. Its adaptability to extreme conditions, compliance with global safety standards, and seamless integration with modern control systems make it a cornerstone of industrial automation. For detailed specifications, refer to the product datasheet or contact Emerson's technical support.
The Emerson Rosemount 5301 Radar Level Transmitter is a state-of-the-art device designed to deliver precise, reliable, and efficient level measurement across a wide range of industrial applications. Utilizing advanced Frequency Modulated Continuous Wave (FMCW) radar technology, the Rosemount 5301 stands out as a market leader due to its robust design, versatility, and performance in challenging environments. Below are the key product advantages that make the Rosemount 5301 an indispensable tool for industries such as oil and gas, chemical processing, power generation, water treatment, and more.
Unmatched Measurement Accuracy and Resolution
The Rosemount 5301 employs80 GHz radar frequency(the highest in the industry), enabling exceptional measurement accuracy (±1 mm) and resolution even in complex process conditions. The high-frequency signal generates a narrower beam angle (3°), which minimizes interference from tank walls, agitators, or internal structures. This ensures precise targeting of the material surface, reducing the risk of false echoes and improving signal-to-noise ratio. The device's dynamic signal processing algorithms further enhance accuracy by filtering out noise and prioritizing true level signals.
Superior Performance in Challenging Conditions
The Rosemount 5301 excels in applications where traditional level measurement technologies struggle. Itsnon-contact radar designeliminates issues related to material buildup, viscosity, density changes, or corrosive media. Key features include:
High-temperature tolerance: Operates in temperatures ranging from-196°C to 450°C(-321°F to 842°F), making it suitable for cryogenic storage tanks, reactors, and high-heat processes.
Pressure resistance: Withstands pressures up to100 bar (1450 psi), ideal for pressurized vessels and volatile liquids.
Robust signal penetration: Performs reliably in vapors, foam, dust, or turbulent surfaces, ensuring continuous measurement in agitated tanks or during filling/emptying cycles.
Q: How long will you give me the reply?
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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