Back To Top
Rosemount™ 3155N Nuclear Qualified Pressure Transmitter
Offering accurate differential and gage analog pressure measurements for nuclear applications, the Rosemount 3155N Nuclear Qualified Pressure Transmitter is engineered for reliable performance over an extended service life.
This is an industry-standard solution qualified per IEEE Std 323™-1974/1983/2003 and this device withstands radiation exposure of 167 Mrads TID gamma and seismic levels to 8.5g ZPA. This resilient transmitter is also engineered for high steam temperature performance up to 437 °F (225 °C).
Rosemount™ 3155N Nuclear Qualified Pressure Transmitter


Output Signal
4-20 mA
Up To 10:1
Measurement Range
Up to 2000 psi (13.79 MPa) Differential, Up to 4000 psig (27.58 MPa) Gage
Housing Material
Process Wetted Material
316L SST
Seismic Rating
8.5g ZPA Seismic
Radiation Rating
165 Mrad (1.65 kGy) TID Gamma Radiation
Steam/Pressure Temperature
437°F (225°C) Steam/Temperature
Qualification Standard
IEEE Std 323™-1974/1983/2003
IEEE Std 344™ – 1975/1987/2004
Product Literature
The Product Data Sheets and Manuals posted on this web-site are intended for general product information only, with errata included. They may not represent the latest revision or contain information relating to recent product notifications, if any.
Contact Information
Please contact Rosemount Nuclear Instruments, Inc. at 1-952-949-5200 or [email protected] for the most current information available


  • Qualified per IEEE Std 323™-1974/1983/2003 for an industry-standard solution
  • Delivers 0.2% reference accuracy for reliable measurements
  • Withstands radiation exposure to 167 Mrads TID gamma and seismic levels to 8.5g ZPA
  • Durable design engineered for steam temperature up to 437 °F (225 °C) performance