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The OPTIWAVE 1530 is a 2-wire 80 GHz radar (FMCW) level transmitter for cost-effective, non-contact level measurement of solids. It is also designed for measuring agitated and poorly reflecting liquids. Its flush-mounted DN70 / 3” Lens antenna has a beam angle of just 4°. As a result, the level radar provides reliable level measurement, particularly in extremely narrow tanks or containers, without causing interfering reflections.

The compact radar unit is made entirely of PVDF and is therefore extremely durable. With its high dynamic range and fully potted electronics, the OPTIWAVE 1530 is ideal for demanding environments with dusty atmospheres and vibrations, making it particularly suitable for mining applications with crushers, conveyor belts, stockpiles or small bunkers. The 80 GHz radar is therefore ideal for measuring a wide range of materials - from rocks and ROM ore to gravel, granulate and powders. It is also suitable for applications with grain and animal feed, pellets or waste in silos with a height of up to 15 m / 49.3 ft. In addition, the OPTIWAVE 1530 is also used in more demanding applications with agitators and liquids with a low εr value, such as edible oil.

The level radar comes IP68 rated, offering additional safety in very dusty areas or outdoor environments that are exposed to heavy rain or flooding. The 3" threaded connection of the radar is unique in its device class and offers flexible installation options. The level transmitter can e.g. be used with existing flanges without protruding into the nozzle of tanks and silos. It is available with bespoke accessories such as brackets and aiming kits, low-pressure flange or purge port connection.

The OPTIWAVE 1530 utilises the OPTICHECK technology built-in device diagnostics. This enables continuous self-checking of the device status. In addition, on-site verification and monitoring of configuration and readings can be carried out via Bluetooth® in combination with the KROHNE OPTICHECK Level Mobile app. There is no need to interrupt the process, climb onto silo roofs and other equipment or work in confined installation areas. This simplifies operation and maintenance and contributes to increased occupational safety.

Highlights:

• Very economical level radar with outstanding price-performance ratio

• Fully potted electronics for use in harsh environments with dusty atmospheres and vibration

• PVDF Lens antenna in DN70 / 3"

  • Small beam angle of 4° for reliable level measurement in confined spaces of crushers, narrow silos and tanks, etc.

  • Unique in its class: 3" threaded connection fits flanges and accessories without protruding into nozzles of silos or tanks

  • Antenna material is chemically resistant to a wide range of products

  • Special concave antenna design: self-draining for optimum signal strength and stable measurement at all times

  • Flush-mounted, virtually no dead zone

• Extremely high dynamics for reliable level measurement also in the event of dust, condensation, vibration

• Ideal solution for standard accuracy requirements

• User-friendly device installation and set-up, easy commissioning possible without prior knowledge

  • Via Bluetooth® in combination with mobile phone or tablet and the OPTICHECK Level Mobile app

    • Offers pre-configured application templates for easy installation via smartphone or tablet

  • Via HART® using the OPTICHECK DTM with quick set-up assistant

  • Drift-free and maintenance-free, no need for recalibration

• TBM (Tank Bottom Management) ensures reliable measurement even in empty tanks

  • Dedicated algorithms to filter and compensate for irregular radar wave reflections that occur at tank bottom when the vessel is empty

  • Allows for quick and easy commissioning of tanks regardless of their size, material or geometry

• Delivered with a 5 m / 16.4 ft shielded cable

• Large choice of accessories available - from orientation kits to brackets and low pressure flanges to weather protections and purging kits

Applications:

General

• Basic applications with solids from rocks to powders

• Applications with poorly reflecting liquids featuring a low dielectric constant (εr value)

• Level monitoring in harsh outdoor environments with vibration and/or heavy dust build-up

• For use in extremely confined space, e.g. narrow silos, tanks, etc.

• Low temperature and pressure applications

Minerals and mining

• Level measurement of solids in pits and quarries

• Various stone sizes, e.g. rocks/ROM ore, gravel, sand, granulates, waste/debris, powders, etc.

• Monitoring and control of crushers, conveyor belts, stockpiles, small bunkers, narrow silos

• Level monitoring of liquids and pastes (e.g. sumps, tailings damps, etc.)

• Small and narrow tanks with foamy and highly agitated products

Food and beverage

• Stock inventory in silos up to 15 m

  • Various products, e.g. grain, seeds, animal feed

  • Level monitoring of poorly reflecting low-dc media in small and narrow tanks, e.g. edible oil

Water and wastewater

• Tanks with foaming and highly agitated liquids

• Narrow pumping station with internals

• Level measurement of lime, sand, waste, etc.