Emerson Rosemount 3153N Nuclear Qualified Pressure Transmitter

Rosemount 3153N Nuclear Qualified Pressure Transmitter

Industry-leading performance

- Meets the following standards

o IEEE Std 323™-1974/1983/2003

o IEEE Std 344™-1975/1987/2004

- 36 Mrad (360 kGy) TID Gamma Radiation

- 8.5g ZPA Seismic

- 333ºF (167.2ºC) Vapour/Temperature

- 0.2% Reference Accuracy

Introduction to the Rosemount 3153N Nuclear Pressure

The Rosemount 3153N Nuclear Pressure Transmitter is designed for precision pressure measurement in nuclear applications.

These applications require reliable performance and safety over a long service life.

The 3153N complies with IEEE Std 323™-1974/1983/2003 and IEEE Std 344™-1975/1987/2004.

Irradiance is 36 Mrads TID Gamma, Seismic Rating 8.5g ZPA, and Vapour Pressure/Temperature Performance.

Rigorous quality control during manufacturing includes traceability of pressure retaining components, special nuclear cleaning and hydrostatic pressure testing.

Transmitter Description

The Rosemount 3153N transmitter is similar in construction and performance to the proven Rosemount 3051 transmitter.

The transmitter is available in absolute (AP), gauge (GP), and differential (DP) configurations with a choice of six pressure ranges.

Direct electronic sensing using a fully sealed coplanar capacitive sensing element (see Figure 1) eliminates mechanical force transfer and problems associated with shock and vibration.

Compact design, two-wire system compatibility, and non-interactive external range and zero adjustments for standard calibration simplify installation and commissioning.

Wiring terminals and electronics are located in separate compartments, helping to

ensure that the electronics remain sealed during installation.

Operation

The process pressure is transmitted to the sensing diaphragm in the centre of the sensor unit by means of an isolating diaphragm and a silicone oil filler fluid.

The process or reference pressure is transmitted in a similar manner to the other side of the centre sensing diaphragm.

Capacitor plates on both sides of the sensing diaphragm detect the position of the sensing diaphragm.