krohne OPTIWAVE 1520
- 80 GHz radar technology
- 0 to 10 m measuring range
- PVDF antenna and housing
- IP68-rated waterproof option
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Description
Radar Technology for Simple Level Measurement
In industrial and municipal applications, the need for reliable and cost-effective level measurement is a constant. Traditional methods, such as floats or pressure sensors, can be prone to mechanical failure, clogging, or corrosion, leading to inaccurate readings and frequent maintenance. The OPTIWAVE 1520 offers a groundbreaking solution to these challenges, using advanced 80 GHz radar technology. This non-contact level transmitter is specifically designed for basic applications involving liquids and granulates. It operates by emitting a focused radar beam down toward the measured medium and then calculating the distance based on the time it takes for the signal to return. This method is not only highly accurate but also completely non-intrusive, meaning it has no parts that come into direct contact with the process media. Its robust design and innovative features make it an ideal choice for a wide range of simple applications, from water basins to small silos.
A Robust Design for Harsh Environments
The OPTIWAVE 1520 is engineered to withstand a variety of harsh conditions. Its compact and robust design features a flush-mounted PVDF Lens antenna, which is not only resistant to a wide range of chemicals but also prevents product build-up that can affect measurement accuracy. The sensor’s housing is designed for outdoor applications where it must endure environmental stressors. A key feature is the availability of an IP68-rated waterproof version, which is specifically designed to handle heavy rainfall and even short-term flooding events. This makes it an ideal choice for applications in open basins or pumping stations where the device is exposed to the elements. The robust construction ensures long-term reliability and reduces the need for protective enclosures, simplifying installation and lowering overall costs.
Precision and Agility with 80 GHz Radar
The use of 80 GHz radar technology in the OPTIWAVE 1520 is a significant advantage. This high-frequency signal allows for a very small beam angle of just 8°, which is critical for reliable measurement in narrow tanks, vessels with internal obstructions, or tanks with nozzles. A narrow beam minimizes the risk of the radar signal being reflected by the tank walls or internal components, ensuring that the measurement is of the actual liquid level. Furthermore, the OPTIWAVE 1520 boasts an extremely high dynamic range, which allows it to provide reliable readings even in the presence of challenging process conditions. This includes agitated surfaces, which can distort radar signals, or condensation on the antenna, which can create signal interference. Its ability to filter and compensate for these irregularities ensures consistent and accurate data.
Dedicated Applications in Water and Solids
The OPTIWAVE 1520 is a versatile solution with a wide range of specific applications. In the water and wastewater industry, it is a perfect tool for cost-effective level measurement in open basins, sewage sludge tanks, and pumping stations. Its IP68-rated version is particularly suitable for these environments where the risk of flooding is present. In the agricultural sector, it can be used for level measurement in small silos containing granulates such as sand, gravel, or other bulk solids. Its ability to measure accurately even with a narrow beam and in dusty conditions makes it a reliable choice. The device’s Tank Bottom Management (TBM) feature ensures reliable measurement even in empty tanks, a critical capability for inventory management and process control. The OPTIWAVE 1520 is also used for level measurement in small open tanks or pressurized vessels where a low-cost, high-performance solution is needed.
User-Friendly Commissioning with Bluetooth®
One of the standout features of the OPTIWAVE 1520 is its user-friendly commissioning process. The device utilizes Bluetooth® connectivity, which allows technicians to easily set up and configure the transmitter using the OPTICHECK Level Mobile app on a smartphone or tablet. This eliminates the need for complex, wired configurations and enables quick and safe setup from a distance, which is a major benefit in hard-to-reach or hazardous locations. The app’s intuitive interface guides the user through the setup process, making it possible for personnel without prior specialized knowledge to commission the device. This streamlined approach saves time and reduces the risk of errors, making the OPTIWAVE 1520 a truly plug-and-play solution.
Intelligent Diagnostics and Continuous Verification
The OPTIWAVE 1520 is equipped with built-in OPTICHECK technology for enhanced device diagnostics. This intelligent feature enables continuous self-testing and verification of the device’s performance without any process interruption. The technology can generate a one-click verification report that provides a clear overview of the device’s status. This is an invaluable tool for ensuring compliance and maintaining operational efficiency. The transmitter is drift-free and maintenance-free, meaning there is no need for recalibration over time. This reduces the total cost of ownership and ensures that the measurement data remains reliable for the life of the product. The advanced diagnostics capabilities make the OPTIWAVE 1520 not just a measurement device, but a smart asset management tool.
The Global Standard of Quality and Authenticity
For professionals seeking to acquire the OPTIWAVE 1520 and its accompanying accessories, there is no better source than tpt24. As the world’s leading online store for this product, tpt24 has built its reputation on a foundation of trust and reliability. They understand the critical importance of authenticity and quality in industrial instrumentation. Every OPTIWAVE 1520 delivered by tpt24 is backed by an unwavering guarantee of authenticity and quality, ensuring that you receive a genuine, high-performance device. Regardless of your location, tpt24’s global delivery network ensures that your product arrives safely and on time. This commitment to customer satisfaction and global accessibility makes tpt24 the premier destination for anyone who needs reliable, top-tier equipment. By choosing tpt24, you are not just making a purchase; you are investing in a partnership with a provider that guarantees excellence and peace of mind.
A Synthesis of Performance and Economy
The OPTIWAVE 1520 represents an impressive blend of performance and economy, making advanced radar technology accessible for basic applications. Its robust, compact design with a flush-mounted PVDF antenna is built for durability in harsh environments, while its IP68-rated version offers a unique advantage in flood-prone areas. The use of 80 GHz radar with a narrow beam angle ensures accurate measurement even in narrow or obstructed tanks. Its user-friendly Bluetooth® commissioning and advanced diagnostics make it easy to set up and maintain, saving time and resources. From wastewater basins to small silos, the OPTIWAVE 1520 provides a reliable, accurate, and cost-effective solution for a wide range of level measurement needs. It is a device that delivers on its promise of simple, reliable, and maintenance-free operation.
Specifications
Specifications
Depending on selected device configuration
General information
| Product type | Level transmitter |
| Product family name | OPTIWAVE |
| Product positioning | For basic liquid and solid applications |
| Product variants |
|
| Measurement variables | Distance, Level, Reflection, Volume |
| Measurement principle | Radar (FMCW) |
| Level measurement type | Continuous measurement |
| Contact to measured medium | No |
| Interface measurement | No |
| Redundancy | No |
| Measured media | Liquids |
| Measuring range (liquids) | 0…10 m/ 0…32.8 ft |
| Ambient temperature | -25…+80°C/ -13…+176°F |
| Measuring point | Pressurised tank, Open tank, Open basin |
Operating conditions
| Process pressure | -1…5 bar/ -14.5…72.5 psi |
| Process temperature | -25…+80°C/ -13…+176°F |
Materials
| Antenna | Polyvinylidene fluoride (PVDF) |
| Gaskets | Fluoroelastomer rubber (FKM/FPM) |
| Wetted parts | Polyvinylidene fluoride (PVDF), Fluoroelastomer rubber (FKM/FPM) |
Process connections
| Thread connections | Male: G1½ 1½ NPT |
Approvals/Standards
| Ingress protection | IP66/68 |
Communication
| Analogue outputs | 4…20 mA |
| Digital outputs | HART®, Bluetooth |
Accuracy
| Accuracy (liquids) | Max. measuring error: ±5 mm / ±0.2″ Repeatability: |










