Product Overview
The OPTIWAVE-M 7500 is a highly accurate, two-wire 80 GHz FMCW radar level transmitter developed specifically for continuous cargo level and ullage measurement onboard ships.
Its heavy-duty 316L stainless-steel housing, flush-mounted PEEK lens antenna and narrow radar beam make it suitable for harsh deck conditions, narrow tanks and vessels containing internal obstructions.
Key Features
✔ 80 GHz FMCW radar technology
✔ Non-contact cargo level and ullage measurement
✔ Suitable for liquids, slurries, pastes and solids
✔ Accuracy up to ±2 mm
✔ Very narrow radar beam
✔ Flush-mounted PEEK lens antenna
✔ No antenna intrusion into the cargo tank
✔ Rugged 316L stainless-steel housing
✔ Protected local display for deck installation
✔ Continuous redundant local level indication
✔ Integral inert-gas pressure sensor available
✔ Tank Bottom Management technology
✔ Reliable measurement in empty tanks
✔ Resistant to deposits and corrosive environments
✔ Compatible with KROHNE CARGOMASTER systems
Technical Specifications
| Specification | Details |
|---|---|
| Measuring principle | 80 GHz FMCW radar |
| Measurement | Cargo level, ullage and distance |
| Accuracy | Up to ±2 mm |
| Measuring range | Up to approximately 40 m, configuration dependent |
| Output | Two-wire 4–20 mA/HART |
| Housing | Heavy-duty 316L stainless steel |
| Antenna | Flush-mounted PEEK lens |
| DN70 antenna beam angle | Approximately 4° |
| DN40 antenna beam angle | Approximately 8° |
| Display | Protected local redundant display |
| Optional measurement | Integral inert-gas pressure |
| Tank management | Tank Bottom Management algorithms |
| Integration | KROHNE CARGOMASTER cargo-monitoring system |
Typical Applications
- Crude-oil cargo tanks
- Product tanker cargo tanks
- Chemical tanker cargo tanks
- LPG and LNG tanks
- Slop tanks
- Fuel-oil tanks
- Ballast tanks
- FPSO cargo tanks
- FSO and FSU storage tanks
- Tanks containing internal obstructions
Industries and Vessel Types
✔ Marine
✔ Oil and chemical tankers
✔ LNG and LPG carriers
✔ FPSO, FSO and FSU
✔ Offshore
✔ Oil and gas
✔ Petrochemical
✔ Shipbuilding
