Supplier Krohne Optiwave 1520 Radar Level transmitter
[WWW.DISTRIBUTORALATINDUSTRI.COM] | The KROHNE OPTIWAVE 1520 is a 2-wire, non-contact radar level transmitter designed for basic level measurement of liquids, pastes, slurries, and granulated solids. It uses 80 GHz FMCW radar technology with a flush-mounted PVDF lens antenna, providing reliable level measurement in tanks, water and wastewater basins, pumping stations, and small silos. The compact and robust design makes it suitable for confined spaces and demanding outdoor environments.
Supplier Krohne Optiwave 1520 Radar Level transmitter

| ITEM | SPECIFICATION |
|---|---|
| MANUFACTURER | KROHNE |
| MODEL | OPTIWAVE 1520 |
| TYPE | RADAR LEVEL TRANSMITTER |
| MEASURING PRINCIPLE | FMCW RADAR |
| RADAR FREQUENCY | 80 GHz / W-BAND (77–81 GHz) |
| MEASUREMENT TYPE | NON-CONTACT LEVEL MEASUREMENT |
| MEASURED MEDIA | LIQUIDS, PASTES, SLURRIES AND GRANULATES |
| PRIMARY MEASURED VALUE | DISTANCE |
| SECONDARY MEASURED VALUE | LEVEL, VOLUME AND FLOW RATE |
| MEASURING RANGE | 0–10 m / 0–32.8 ft |
| ACCURACY | ±5 mm / ±0.20 in |
| REPEATABILITY | ±1 mm |
| RESOLUTION / HYSTERESIS | 1 mm |
| ANTENNA TYPE | FLUSH-MOUNTED PVDF LENS ANTENNA |
| ANTENNA SIZE | DN40 / 1½” |
| BEAM ANGLE | 8° |
| PROCESS CONNECTION | G 1½” OR 1½” NPT |
| HOUSING MATERIAL | PVDF |
| PROCESS PRESSURE | -1 to +5 bar / -14.5 to +72.5 psi |
| PROCESS TEMPERATURE | -25 to +80°C |
| AMBIENT TEMPERATURE | -25 to +80°C |
| MINIMUM DIELECTRIC CONSTANT | εr ≥ 2 |
| POWER SUPPLY | 12–35 VDC |
| OUTPUT | 4–20 mA |
| COMMUNICATION | HART® 7 |
| WIRE CONFIGURATION | 2-WIRE |
| WIRELESS COMMISSIONING | BLUETOOTH® |
| CONFIGURATION APP | OPTICHECK LEVEL MOBILE |
| PROTECTION | IP68 VERSION AVAILABLE |
| DISPLAY | OPTIONAL / CONFIGURATION DEPENDENT |
| INSTALLATION | TANKS, BASINS, PUMPING STATIONS, SILOS |
| APPLICATION | LEVEL MEASUREMENT OF LIQUIDS AND GRANULATES |
The technical values above are based on KROHNE documentation; exact process connection, display, housing/IP68 configuration, and accessories should be confirmed from the complete order code.
MEASURING PRINCIPLE
The OPTIWAVE 1520 uses Frequency-Modulated Continuous Wave (FMCW) radar. The transmitter continuously emits microwave signals toward the material surface and receives the reflected signal. The frequency difference between the transmitted and received signals is used to determine the distance to the product surface. From this distance, the instrument calculates the level and, when configured, volume or flow rate.
80 GHz RADAR TECHNOLOGY
The 80 GHz radar frequency provides a focused beam and relatively small antenna, making the OPTIWAVE 1520 suitable for small or confined tanks. Its 8° beam angle helps reduce interference from tank walls and internal obstructions when properly installed.
PVDF LENS ANTENNA
The transmitter uses a flush-mounted PVDF lens antenna, DN40 / 1½”. The flush design helps make the instrument compact and suitable for installations where space is limited. PVDF also provides good chemical resistance for many industrial and water/wastewater applications.
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