Rosemount 3051L Level Transmitter with Dual Seals

The Rosemount 3051L Level Transmitter with Dual Seals is an advanced electronic differential pressure (DP) level transmitter designed for accurate, reliable liquid level measurement in industrial applications. The dual seal configuration enhances process isolation to meet stringent industry safety and environmental standards.

Model & Configuration of Rosemount 3051L Level Transmitter 

• Model: Emerson Rosemount 3051L
• Type: Differential Pressure (DP) Level Transmitter
• Dual Seals: Yes (Process and external barrier sealed)
• Output Signal: 4–20 mA HART®
• Mounting: Remote mountable diaphragm seals

Applications of Rosemount 3051L Level Transmitter

• Continuous level measurement of liquids, slurries, and interfaces
• High-purity and corrosive fluid environments
• Vessels, tanks, and pressurized systems
• Petrochemical, oil & gas, chemical, water treatment, and power generation

Key Features of Rosemount 3051L Level Transmitter

• Dual Seals for Enhanced Safety:
  Provides redundancy and protection for hazardous, toxic, or high-purity fluids.
• High Measurement Accuracy:
  ±0.04% of span typical (depending on range and configuration)
• HART® Communication:
  Enables digital communication for configuration, diagnostics, and calibration.
• Wide Operating Range:
  Suitable for extended temperature and pressure ranges.
• Robust Construction:
  Stainless steel wetted parts and high-integrity electronics.
• Low Maintenance:
  Long-term stability and minimal recalibration needs.

Technical Specifications of Rosemount 3051L Level Transmitter With Dual Seals

Measurement

• Measurement Principle: Differential Pressure (DP)
• Level Range: Application dependent (typically up to design range)
• Output: 4–20 mA with HART digital communication

Accuracy

• ±0.04% of calibrated span (reference conditions, typical)

Pressure Ratings

• Static Pressure: Up to application-specific maximum
• Proof Pressure: Per transmitter and seal design

Temperature

• Process Temperature: −40°C to +400°C (depending on seal and fill fluid)
• Ambient Temperature: −40°C to +85°C (typical range)

Materials

• Wetted Materials: 316L Stainless Steel (standard)
• Diaphragm Seals: Alloy options as per process requirement

Fill Fluid

• High-temperature or engineered fill fluid optimized for application

Approvals

• ATEX, IECEx, FM, CSA, SIL certification (as specified in order)

Dual Seal Configuration Provides:

• Primary Seal: Isolates process fluid from transmitter.
• Secondary Seal: Additional containment; leak monitoring capability.
• Barrier Fluid: Inert fluid between seals for aggressive service protection.
• Leak Detection Port: Optional for continuous leak monitoring (if specified).

Electrical & Communication

• Power Supply: 12–36 VDC
• Signal Output: 4–20 mA with HART
• Wiring: 2-wire or as specified
• Connection: M20 × 1.5, ½–14 NPT (as specified)

Installation

• Mounting: Remote diaphragm seals with capillary lines to transmitter
• Orientation: Vertical or as recommended per process
• Sealing: Ensure proper venting and fill fluid compatibility

Calibration & Testing

• Factory calibration to specified range
• Loop verification with HART communicator
• Pressure test per Emerson calibration standards

Quality & Certification

• ISO 9001 compliant manufacturing
• Calibration certificate included
• Conformance to industry standards:
  • IEC 60079
  • API 520/521 (where applicable)

Documentation Supplied

• User Manual
• Calibration Certificate
• Dimensional Drawing
• Installation & Maintenance Instructions
• Safety & Compliance Certificates

Optional Accessories

• Local display module
• Remote seal mounting kits
• Leak detection sensors
• Manifolds / impulse piping kits
• Surge suppressors