Owl Eye®

for process containers

Precise volume calculation

Owl Eye®

of all volume data

Centralised visualisation

3D level measurement & container monitoring with OWL EYE® – precise sensor technology for silos, bunkers and closed systems

OWL EYE® offers a specialised solution for monitoring closed containers such as silos, feed hoppers, crushers and other process-relevant units.

Unlike outdoor stockpile monitoring, the focus here is on precise indoor measurement, robust sensor technology and continuous data acquisition – even under extreme conditions. Thanks to special protective housings with automatic compressed air opening, integrated cleaning technology and modular software integration, OWL EYE® is ideally suited for applications in dusty, damp or mechanically stressed environments. The integrated 3D sensor technology also detects complex geometries and irregular surfaces reliably and accurately.

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Your advantages in container monitoring with OWL EYE®

Precise 3D level measurement in real time
Detects complex material surfaces, even in dusty or irregularly filled containers – without contact and with centimetre precision.
Automatic sensor cleaning & protection systems
Compressed air-controlled housings and integrated cleaning mechanisms ensure a permanently clear view and reliable data capture.
Reliable monitoring in closed systems
Ideal for silos, bunkers, feed hoppers and crushers – even in difficult ambient conditions such as heat, moisture or dirt.
Process-controlled event triggering
Reacts intelligently to defined fill levels or positions – for example for recipe checking, alarming or material logic control.
Seamless integration into existing systems
Compatible with REST API, OPC UA and other standard interfaces – for simple connection to control, SCADA or ERP systems.

Container & silo monitoring

For monitoring closed containers such as silos, feed hoppers or crushers, the OWL EYE® sensor system is attached directly to the container lid or to specially designed mounting points. The 3D sensors look vertically or at a slight angle into the interior and thus detect fill levels, contours and material distributions even under demanding conditions.

The sensors are integrated into a protective housing that opens automatically with each measurement and then closes again. This keeps the optics permanently free of dust, condensation or sticky particles – without manual cleaning. Alternatively, a system with a permanently installed cleaning nozzle is available, which regularly cleans the visible surface using a compressed air pulse.

Depending on the application, different sensor variants can be combined – for example for narrow silos with a high drop depth or for wide, lower bunkers. Data transmission is wireless or wired, with optional connection to existing control and management systems. Use on mobile or temporary container units is also possible without any problems.

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Intuitive software – everything in view, everything under control.

The OWL EYE® software forms the centrepiece of the monitoring system. A user-friendly web dashboard provides users with a complete overview of all measured values and their development in real time.

The live 3D visualisation shows the current model of the filling situation in the container directly in the browser – including colour coding according to age, material type or other information. Each 3D model of a measurement is automatically saved, creating a complete, digital history.

Settings such as measurement intervals, data exports or colour coding can be adjusted intuitively and quickly – without any expert knowledge. The software also enables specialised analyses, such as material distribution, ageing or volume development of individual stockpile areas.

Thanks to REST API and OPC UA, the software can be easily integrated into existing systems and supports both operational decisions and strategic planning.

All measured values and associated 3D models at a glance

Dashboard

Dashboard

Customised measuring

Edit storage bin polygon

More than just volume

Measure individual areas

Customised measuring

Quickly edit the storage bin size

Edit storage bin polygon

Save any information in your stockpile model - even the density can be customised within the stockpile

More than just volume

Technical data

Volume accuracy
Typical measurement deviation: ±1 % for volumetric measurement of bulk solids under industrial conditions.
Detection range
From 0.5 m to 40 m, depending on the 3D LiDAR sensor used Individually configurable for small containers or large silos.
Temperature range
Operating temperature: -40 °C to +80 °C – Suitable for indoor and outdoor use in extreme conditions.
Data transmission
Wireless via WLAN, LTE or proprietary wireless solution
Wired via network cable (Ethernet) or fibre optics
→ The system also works without an existing infrastructure on site – but offers full connectivity to existing networks.
Sensor cleaning
Automatic compressed air cleaning to minimise dust deposits or an automated mechanical closing flap.

Functions

Basic function: Inventory & volume measurement
Automated recording of material volumes for warehouse and inventory controls.
Logging of all measured values with 3D model
Captured volumes are mapped and documented in three dimensions.
Warnings when threshold values are exceeded
Automated reporting via: OPC UA, analogue signals, e-mail notification
Warning if stockpile height is exceeded
Direct alerting for safety-critical material heights – also via: OPC UA, analogue signals, e-mail
Age logging of material areas
Time-based tracking of storage duration and turnover rate per area.

Which containers are suitable for Owl Eye Monitoring? Overview of compatible container types:

Which containers are suitable for Owl Eye Monitoring?

The Owl Eye Monitoring solution offers reliable, intelligent level detection for a wide range of industrial container types. The sensor technology can be flexibly integrated into existing systems and is suitable for both static storage containers and dynamic processes.

Compatible container types at a glance

Our technology was developed for robust use in industrial environments. The following container types are particularly suitable for use with Owl Eye:

Silos
Suitable for dry bulk materials such as pellets, granulates or grain. The sensor system works reliably as long as the visibility inside the silo is not permanently impaired.
Feed hopper
Particularly suitable for continuous feeding with variable filling height. Owl Eye enables precise detection of the material level.
Process container
Data can also be recorded stably and in real time in processes with temperature changes or material movements.
Moving floor systems
The sensor system recognises residual quantities and material movements even with uneven emptying.

Restriction for extremely dusty silos

When filling some silos, very high levels of dust can occur for a short time – especially with fine or dry materials. If there is so much dust in the air during this process that even the human eye can no longer see, the use of optical sensors is not suitable.

In such cases, an alternative sensor technology may be required. We will be happy to advise you on the optimum solution for your application.

Conclusion

Owl Eye is a practical and powerful monitoring solution for most industrial container types. In exceptional cases, such as highly dusty silo systems, we will work with you to examine suitable alternatives or additions to the optical sensor system.

Contact us for customised advice on your container type and application scenario.

But why should you use Owl Eye?

Owl Eye stands for state-of-the-art technology, maximum flexibility and genuine practical experience. Unlike many systems that are developed under laboratory conditions, Owl Eye was developed directly from everyday industrial experience – under real conditions at Sachtleben Bergbau, both above and below ground. From initial loading to final logistics: Owl Eye delivers precise, reliable data.

State-of-the-art data analysis & sensor technology

Integrated LiDAR technology for high-precision 3D detection – fast, precise, robust.

IT-orientated system design

Can be fully integrated into existing IT and process landscapes thanks to modern interfaces and protocols.

Sensor manufacturer-independent architecture

Maximum flexibility in the choice of hardware – customised to your environment.

Tried and tested in real mining

Developed and proven under extreme conditions – where others only sell.

Turnkey realisation – worldwide, flexible, reliable

We supply the Owl Eye system as a turnkey solution, customised to our customers’ requirements. Whether as a general contractor or in close coordination with existing teams and electricians on site – we integrate the system directly into large industrial plants, efficiently and with a proven track record.

Thanks to our modular structure and flexible project management, we can operate worldwide – from initial planning to installation and final commissioning.

What makes us special:
We stand for honesty, reliability and handshake quality – with us, a word is as binding as a contract. This is what our customers appreciate: partnership, transparency and solution-orientation.

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About Us

We are your partner and expert to digitize your warehouse. Owl Eye system combined with the expertise of our team takes data acquisition and the analysis of bulk material volumes to a new outstanding level: digital, accurate, consistent.

Info & Contact

Phone: +49 7831 969 22-190
eMail: info@sachtleben-technology.com

A company within the Sachtleben Minerals Group