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Rosemount™ 3051S Thermal Range Expander
Northeast Controls is pleased to be the authorized Emerson representative to sell this product line for Municipal Water and Wastewater applications, and as part of an overall Integrated Solution for all applications and industries.
The Rosemount 3051S Thermal Range Expander enables transmitters to attach to high temperature processes in order to extend the thermal operating range and improve response time.
Engineered with two different fill fluids, this product eliminates the need for heat tracing. This device can be used in various process applications, and allows for direct and remote mounting, Tuned-System™ assembly and balanced systems.
Rosemount™ 3051S Thermal Range Expander

Specs

Max. Operating Pressure
Up to 3,750psi (258,6 bar)
Process Temperature Range
Based on fill fluid - Maximum 770°F (410°C), Minimum -157°F (-105°C)
Communication Protocol
4-20 mA HART®, WirelessHART®, FOUNDATION™ Fieldbus
Seal System Type
Direct Mount, Remote Mount, Tuned-System, Balanced System
Transmitter Connection
Welded-Repairable, All Welded
Process Connection
Flanged: ANSI/ASME, EN/DIN, GOST, & JIS

�Threaded: NPT, DIN, ISO

Process Wetted Material
316L SST, Alloy C-276, Alloy 400, Tantalum, Gold-plated Alloy 400, Gold-plated 316L SST, see full specs for complete list of materials
Diagnostics
Basic Diagnostics, Loop Integrity, Process Intelligence, Plugged Impulse Line
Certifications/Approvals
SIL 2/3 certified to IEC 61508 by an independent 3rd party, NACE®, hazardous location, see full specs for complete list of certifications

Features

  • Seal system with two different fill fluids extends the operating temperature range up to 770 °F (410 °C)
  • Optimized for use in various high process temperature applications and low ambient temperature conditions
  • Eliminates the need for heat tracing and impulse piping which reduces installation costs
  • Operates with process temperatures as low as -157 °F (-105 °C) and high as 770 °F (410 °C) for application adaptability
  • Advanced diagnostics provide diagnostic coverage to detect electrical loop issues and abnormal process conditions
  • Tuned-Systems can reduce temperature effects by 10-20% and improve response time by 80% vs. traditional installations
  • Allows for direct mounting, remote mounting and balanced systems to meet various application requirements
  • SIL 2/3 certified to IEC 61508 (via 3rd party) and prior-use certificate of FMEDA data for safety installations