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Rosemount™ 3255 Subsea Pressure and Temperature Transmitter
The Rosemount 3255 Subsea Pressure and Temperature Transmitters are designed for stable and reliable measurement in harsh subsea environments up to 4,572 meters in depth.
Patented Rosemount solid-state pressure and temperature sensing technology provides industry leading long-term stability over a design life of 30 years. Emerson maintains design ownership of the complete assembly at our Rosemount Subsea facility in Chanhassen, MN USA with best-in-class lead-times to the subsea industry.
Rosemount™ 3255 Subsea Pressure and Temperature Transmitter

Specs

Measurement Type
Single Pressure and Temperature (PT) or Dual Pressure and Temperature (PTPT)
Operating Pressure
Up to 15,000 psi (103.5 MPa)
Process Temperature Range
-40 to 302°F (-40 to 150°C)
Accuracy
Up to ± 0.02% of URL Pressure and ± 0.3°C Temperature
Stability
Less than ± 0.02% FS/Year Pressure
Less than ± 0.1% FS/Year Temperature over calibrated range
Communication Protocol
CANOpen (SIIS Level II), Modbus (RS 485)
Materials of Construction
Process - Wetted: UNS N06625 (Nickel Alloy 625)
Seawater - Wetted Integral Flange: UNS S31803 (22Cr Duplex SST for 10ksi) / UNS S32760 (25Cr Super Duplex SST for 15ksi) with Alloy 625 inlay weld
Process Connection
Integral Flange: API 6A 2-1/16", BX152

Features

  • Qualified to API 17F, API 17D, and API 6A for subsea applications
  • Patented Rosemount solid-state pressure and temperature sensing technology provides industry leading performance
  • Standardized, configurable model structure for easy product specification and ordering
  • Corrosion resistant construction for both process and seawater wetted components ensures reliable performance in demanding subsea applications
  • Designed to operate at extreme water depths up to 4,572 meters
  • Emerson is dedicated to the design, manufacture, and support of qualified safety-related subsea pressure, temperature, and differential pressure transmitters and accessories