Description
OPTIWAVE 1520 is a 24 GHz FMCW radar level transmitter designed for continuous, non-contact measurement of liquids in storage and process tanks. It provides reliable readings even with vapors, condensation, and changing temperatures. Ideal for water, wastewater, chemicals, utilities, and general industrial liquid level monitoring.
🔧 OPTIWAVE 1520 — Key Technical Data & Selection Parameters
| Parameter | Specification / Details |
| Measurement Principle | FMCW non-contact radar (24 GHz) |
| Measuring Range | Up to 20 m (liquids) |
| Accuracy | ±5 mm |
| Frequency | 24 GHz radar for general liquid applications |
| Process Temperature | –40 °C to +150 °C (depending on process connection) |
| Process Pressure | –1 … +40 bar |
| Dielectric Constant (εr) | Works with low DK (≥1.6) → suitable for water/chemical liquids |
| Output Signal | 4–20 mA HART (2-wire) |
| Antenna Options | PP, PTFE horn; thread or flange mount |
| Enclosure | IP67 / IP68 optional |
| Display | LCD with configuration and diagnostics |
| Installation Orientation | Vertical top-mount on tanks, chambers, pits |
| Foam / Condensation Handling | Yes — stable signal processing with advanced algorithms |
| Typical Media | Water, wastewater, utilities, oils, solvents, general industrial liquids |
| Hazardous Area | ATEX/IECEx versions available |



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