100% Original Emerson Rosemount 5400 Series 5402 Two-Wire Non-Contact Radar Level Transmitter

• Customization: Available
• Type: Silicon Piezoresistive Type
• Structure Design: Flange Type
• Model NO.: Rosemount 5402 Radar Level Transmitter
• Pressure Range: High Pressure
• Display Type: LCD
• Accuracy Grade: 1.0G
• IP Rating: IP67
• Certification: CE
• Customized: Customized
• Measurement Principle: Time-of-Flight
• Operating Frequency: 26 GHz or 60 GHz
• Measuring Range: 0–30 Meters
• Process Temperature: -40~200
• Process Pressure: 4 MPa
• Accuracy Class: ±1 mm and ±5 mm
• Protection Rating: IP67
• Signal Output: 4-20mA
• Power Supply Requirements: 24 VDC
• Antenna Type: Horn-Type
• Installation Method: Flanged or Threaded
• Display Interface: LCD
• Ambient Humidity: 0–100%
• Explosion Protection Rating: Ex D Iic T6
• Interference Resistance: EMC
• Transport Package: Cartons
• Specification: 51/31/31
• Trademark: Rosemount
• Origin: Singapore
• HS Code: 9026201090
• Production Capacity: 100/Month
• Package Size: 51.00cm * 31.00cm * 31.00cm
• Package Gross Weight: 13.500kg

Product Description

Product Description

Rosemount™ 5402 Level Transmitter: Comprehensive Technical Overview
1,Introduction
The Rosemount™ 5402 Level Transmitter, part of Emerson's 5400 Series, is a high-frequency (26 GHz) non-contacting radar device designed for precise and reliable level measurement in liquids, slurries, and solids. Utilizing pulsed radar technology, it excels in challenging industrial environments due to its immunity to process variables like temperature, pressure, vapor, density changes, and viscosity
Its non-contact design eliminates moving parts, minimizing maintenance and enhancing operational safety.

Detailed Photos

2. Core Technology & Measurement Principle

Pulsed Radar Technology: Short radar pulses are emitted toward the material surface. The transmitter calculates distance based on the time difference between transmitted and reflected signals, converting it to accurate level/volume readings 
Dual-Port Innovation: Addresses signal attenuation in turbulent or foam-covered surfaces by enhancing echo detection in low-reflectivity scenarios (e.g., low-dielectric solids or boiling liquids) 
26 GHz High Frequency: Generates a narrow beam angle (4° for parabolic antennas), ideal for small nozzles, obstructed vessels, and applications requiring precise targeting 
3. Key Features & Advantages

Product Parameters

Parameter	5402 Specification
Measuring Range	Up to 115 ft (35 m) from flange
Accuracy	±0.1 in (±3 mm)
Frequency	26 GHz
Beam Angle	4° (parabolic antenna)
Process Temp.	-40°C to 200°C (-40°F to 392°F)
Pressure Rating	Up to 1450 psig (100 bar)
Communication	HART 7, FOUNDATION Fieldbus, Modbus RS-485
Display	5-digit integral monitor (level, distance, signal strength, etc.)

3.2 Operational Benefits
Process Immunity: Unaffected by vapor, foam, turbulence, density shifts, or coating 
Zero Maintenance: No recalibration needed; condensation-resistant antennas prevent buildup 
Safety Compliance: Certified for hazardous areas (ATEX, FM, CSA) with overfill prevention capabilities 
Installation Flexibility: Compact antennas (e.g., 4-in cone) fit narrow nozzles; circular polarization avoids alignment constraints 
4. Applications
4.1 Recommended Use Cases
Liquids & Slurries: Reactors, mixing tanks, and corrosive chemical storage 
Solids: Silos with uneven surfaces or low dielectric constants (e.g., plastic pellets, cement) 
Challenging Environments: Extreme temperatures, high pressure, or viscous media (e.g., crude oil, molten sulfur) 
4.2 Limitations
Avoid direct installation above agitators or feed streams to reduce signal noise 
5. Hardware & Configuration
5.1 Antenna Options

Type	Application
Cone Antenna	General liquids; build-up resistance
Parabolic	Solids; narrow beam avoids obstructions
Process Seal	Condensation-prone environments

5.2 Materials & Certifications
Housing: Stainless steel (CF8M) or polyurethane-coated aluminum 
Certifications: ATEX Flameproof/Intrinsic Safety (E1/I1), FM Explosion-Proof (E5), CSA (E6) 
5.3 Electrical Integration
Outputs: 4-20 mA HART, FOUNDATION Fieldbus, Modbus RS-485 
Wireless Option: IEC 62591 (WirelessHART) via Emerson THUM™ Adapter 
6. Diagnostics & Usability
Echo Curve Analysis: Real-time signal visualization via Rosemount Radar Master software simplifies troubleshooting 
Predictive Maintenance: Plantweb™ alerts notify potential issues (e.g., antenna fouling) 
Local Interface: 5-digit display shows 15+ parameters, including signal quality and internal temperature 
7. Comparative Advantage vs. 5401 Model

Feature	5402 (26 GHz)	5401 (6 GHz)
Accuracy	±0.1 in (±3 mm)	±0.4 in (±10 mm)
Beam Width	Narrow (4°)	Wide (18°)
Best For	Small nozzles, solids	High turbulence, steam

8. Conclusion
The Rosemount 5402 sets the benchmark for radar level transmitters by combining high precision (26 GHz), ruggedness, and ease of integration. Its ability to thrive in diverse media-from corrosive liquids to aerated solids-makes it indispensable in sectors like oil & gas, chemicals, and bulk processing. With near-zero maintenance and advanced diagnostics, it significantly reduces lifecycle costs while ensuring operational continuity.

Company Profile

KeRui (weifang) Automation Equipment Co., Ltd. specializes in industrial automation instrument development, production and sales,technical services, and supporting equipment supply of 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.
 

Packaging & Shipping

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.

FAQ

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.