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2051L Level Transmitter

Brand: Rosemount
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Gain confidence with the reliable performance of the Rosemount 2051L Level Transmitter, a transmitter that provides level measurements with a variety of process connections, materials and output protocols.

This transmitter is safety certified, and allows for Tuned-System™ Level assembly and direct mounting.

Engineered with a Local Operator Interface - LOI, this device offers easy, on-site commissioning.
Features
  • Designed with a Variety of Process Connections, Materials and Output Protocols to Meet Diverse Application Requirements
  • Tuned-system Level Assembly and Direct Mounting Produce Optimal Performance for Level Applications
  • SIL 2/3 Certified to IEC 61508 - via 3rd Party, and Prior-use Certificate of FMEDA Data for Safety Installations
  • Local Operator Interface - LOI for Simple, Local Commissioning On-site without the Use of Extra Tools or Training
  • Optimized Seal System Construction Ensures a Quality Measurement in Harsh Process Conditions
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Gain confidence with the reliable performance of the Rosemount 2051L Level Transmitter, a transmitter that provides level measurements with a variety of process connections, materials and output protocols.

This transmitter is safety certified, and allows for Tuned-System™ Level assembly and direct mounting.

Engineered with a Local Operator Interface - LOI, this device offers easy, on-site commissioning.
Features
  • Designed with a Variety of Process Connections, Materials and Output Protocols to Meet Diverse Application Requirements
  • Tuned-system Level Assembly and Direct Mounting Produce Optimal Performance for Level Applications
  • SIL 2/3 Certified to IEC 61508 - via 3rd Party, and Prior-use Certificate of FMEDA Data for Safety Installations
  • Local Operator Interface - LOI for Simple, Local Commissioning On-site without the Use of Extra Tools or Training
  • Optimized Seal System Construction Ensures a Quality Measurement in Harsh Process Conditions
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Specifications

Brand

Accuracy

  • ± 0.075 % of Span

Alarm

  • Custom Alarm & Saturation Signal Levels
  • NAMUR Alarm & Saturation Signal Levels

Ambient Temperature Range

  • -40° to 85° C (-40° to 185° F)

Applications

  • Marine & Offshore Applications
  • Vacuum

Approvals & Certifications

  • ATEX
  • CCOE
  • CSA
  • FM
  • GOST
  • IEC Ex
  • INMETRO
  • NEPSI
  • TIIS

Conduit Connection

  • A Size Mini, 4-Pin Male Connector (minifast)
  • M12, 4-Pin, Male Connector (eurofast)

Configuration

  • 4-20 mA HART
  • FOUNDATION Fieldbus Protocols
  • Low-Power, 1-5 Vdc with Digital Signal based on HART Protocol
  • PROFIBUS PA Protocol
  • Wireless Protocols

Damping Adjustment

  • User Configurable from 0 to 60 seconds

Diaphragm Material

  • 316L Stainless Steel
  • Hastelloy C-276
  • Tantalum

Display

  • LCD Display
  • LCD Display with Local Operator Interface
  • None

Drain, Vent Valves & Plug

  • 316 Stainless Steel
  • Hastelloy C-276

Electrical Connectors

  • 1/2” NPT
  • G 1/2”
  • M20 x 1.5

Electromagnetic Interference Effect

  • Meets All Relevant Requirements of EN 61326 & NAMUR NE-21

Enclosure Finish

  • Polyurethane Paint

Enclosure, Body Material

  • Cast Stainless Steel
  • Low-Copper Aluminum

Environmental Protection

  • IP66
  • IP67
  • IP68
  • NEMA 4X

Fill Material

  • Glycerin & Water
  • Inert HaloCarbon
  • Neobee M20
  • Propylene Glycol & Water
  • Silicone
  • Syltherm XLT

Flange Material

  • 316 Stainless Steel
  • Carbon Steel

Flange Size - 2” (DN 50)

  • 2” (DN 50) - 150#
  • 2” (DN 50) - 300#
  • 2” (DN 50) - PN 10
  • 2” (DN 50) - PN 16
  • 2” (DN 50) - PN 25
  • 2” (DN 50) - PN 40

Flange Size - 3” (DN 80)

  • 3” (DN 80) - 150#
  • 3” (DN 80) - 300#
  • 3” (DN 80) - PN 10
  • 3” (DN 80) - PN 16
  • 3” (DN 80) - PN 25
  • 3” (DN 80) - PN 40

Flange Size - 4” (DN 100)

  • 4” (DN 100) - 150# (ANSI B16.5)
  • 4” (DN 100) - 300# (ANSI B16.5)

Humidity

  • 0 to 100 % Relative Humidity

Input Power

  • 1-5 Vdc HART Low Power: 9-28 Vdc
  • 4-20 mA HART: 10.5-42.4 Vdc
  • FOUNDATION Fieldbus: 9-32 Vdc
  • PROFIBUS: 9-32 Vdc

Mounting

  • 150# ANSI
  • 300# ANSI
  • DN PN 10-40 Flange
  • DN PN 40 Flange

NACE & NIST

  • NACE MR-0103, MR-0175

NPT Connection

  • 1/4” NPT Female

O-Ring Material

  • Glass-Filled PTFE

Output

  • 2.4 GHz DSSS
  • 2-Wire 4-20 mA
  • 3-Wire 1-5 Vdc

Overpressure & Static Pressure Limits

  • Limit is Flange Rating or Sensor Rating, whichever is Lower

Power Supply Effect

  • ± 0.005 % of Calibrated Span Per Volt

Pressure Range

  • bar: -20.68 to 20.68
  • inches WC: -1,000 to 1,000
  • kPa: -2,068 to 2,068
  • psig: -300 to 300

Pressure Type

  • Differential
  • Gauge
  • Level

Process Temperature

  • -40° to 121° C (-40° to 250° F)
  • -75° to 205° C (-102° to 401° F)

Storage Temperature

  • -46° to 110° C (-50° to 230° F)

Vibration Effect

  • > ± 0.1 % of URL

Volumetric Displacement

  • > 0.005”³ (0.08 cm³)

Wetted Materials

  • 316L Stainless Steel
  • Hastelloy C-276
  • Tantalum
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