Product Overview
The Rosemount 5408 is an advanced non-contacting radar level transmitter designed for reliable continuous level measurement of liquids and solids. Its two-wire, 26 GHz FMCW radar technology provides accurate measurement under demanding conditions involving turbulence, condensation, high temperatures, pressure and aggressive media.
It is suitable for marine, offshore, oil and gas, petrochemical, chemical, power-generation and industrial process applications.
Key Features
✔ Two-wire 26 GHz FMCW radar technology
✔ Non-contact level measurement
✔ Measuring range up to 150 metres
✔ Standard accuracy up to ±2 mm
✔ Narrow 4.5° beam angle
✔ Suitable for liquids and solids
✔ 4–20 mA HART communication
✔ FOUNDATION Fieldbus options
✔ Modbus communication option
✔ Optional graphical LCD display
✔ Advanced diagnostics
✔ Explosion-protected versions available
✔ Rosemount 5408:SIS available for safety applications
✔ SIL 2 certification available
✔ Suitable for high-pressure and high-temperature applications
Technical Specifications
| Specification | Details |
|---|---|
| Measuring principle | 26 GHz FMCW non-contact radar |
| Measuring range | Up to 150 m, configuration dependent |
| Standard accuracy | Up to ±2 mm |
| Beam angle | Approximately 4.5° |
| Output | 4–20 mA HART |
| Other protocols | FOUNDATION Fieldbus or Modbus, model dependent |
| Process temperature | –60°C to +250°C, configuration dependent |
| Process pressure | Vacuum to approximately 100 bar, configuration dependent |
| Display | Optional graphical LCD display |
| Safety version | Rosemount 5408:SIS, SIL 2 certified |
| Protection | Industrial and hazardous-area versions available |
Typical Applications
- Fuel-oil tanks
- Diesel-oil tanks
- Ballast tanks
- Cargo tanks
- Slop tanks
- Chemical tanks
- Process vessels
- Storage silos
- Separator vessels
- Condensate tanks
- High-pressure vessels
- Tanks with turbulence or condensation
Industries
✔ Marine
✔ Offshore
✔ Oil and gas
✔ FPSO
✔ Petrochemical
✔ Chemical
✔ Power generation
✔ Water treatment
✔ Industrial processing

