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SiriusX.3 – Precise spectral plant lamp with an extended range of applications

With the SiriusX.3, Eureca is expanding its portfolio with a highly flexible light source. Developed by our new partner Crocus Labs, an innovative company specializing in spectrally optimized LED lighting systems, the SiriusX.3 opens up new possibilities in research, development, and optical metrology.

Image source: Crocus Labs

The SiriusX.3 was developed by Crocus Labs as a high-performance plant lamp. Its special feature is its freely programmable spectral composition, which can be individually controlled via four LED channels. This allows customized lighting recipes to be created for research and practical applications—from basic work in plant sciences to innovative applications in optics.


Target groups and applications: More than just plant lighting

The SiriusX.3 was designed specifically for plant research, offering maximum control over spectral compositions and growth phases. Potential target groups and areas of application include plant sciences and agricultural research, e. g., for simulating natural light cycles, optimizing growth conditions, or investigating photosynthesis processes.

Image source: Crocus Labs

In addition, the lamp also opens up new possibilities in other disciplines, such as:

  • Material and food analysis: reproducible lighting conditions for test series;
  • Teaching: understandable experiments on photosynthesis, spectra, and light control;
  • Image processing & machine vision: precise, spectrally selective lighting for optical testing and color measurements.

Technical Data

  • Four LED-based color channels: blue (455 nm), white, red (660 nm) and far red (730 nm)
  • Nominal power: 100 W
  • Heat management: passive
  • Operating temperature: 0 – 40 ºC
  • Input voltage: 100 – 240 V, 50/60 Hz
  • Control: Wi-Fi
  • IP classification: IP65
  • Dimensions (L × W × H): 1070 mm × 70 mm × 45 mm
  • Weight: 2.5 kg

Image source: Crocus Labs

Control

The intuitive control software makes it easy to create and customize individual lighting recipes:

  • Selection from a library: Users can choose from a stored collection of luminaires.
  • Individual recipes: A separate lighting recipe can be defined for each luminaire – by combining up to four channels.
  • More than just colors: In addition to color mixing, switch-on and switch-off times can also be set, as well as the respective growth phase and the desired calendar days.
  • Automated processes: Once a recipe has been saved, the luminaire operates according to the set parameters until a new recipe is selected or the planned period is reached.

The current version of the web GUI is heavily geared towards light recipe control; enhancements to support camera control, synchronized lighting, and documented lighting profiles are in the works.


Crocus Labs

Crocus Labs develops advanced lighting systems with sensors and special LEDs to create an ideal lighting environment. The technology supports human biorhythms and enables precisely controlled horticulture. The company is supported by the European Innovation Council (EIC) Accelerator program and leading German venture capitalists.

Thanks to our close cooperation with Crocus Labs, we can now not only offer individual SiriusX.3 units directly through Eureca Messtechnik GmbH, but also realize customized series production for special requirements. If you need other designs or wavelength ranges, Crocus Labs can develop and manufacture corresponding special solutions for suitable quantities.


Synergies with our microspectrometers

The full power of the SiriusX.3 is revealed when combined with our DIY microspectrometer. The precisely controllable lamp enables dynamic experiments in which the spectrum is specifically varied and analyzed simultaneously with the spectrometer. This allows effects to be visualized in real time—an invaluable advantage for research, teaching, and development.

We have already published a current application example with the spectra of the SiriusX.3 on our website. This impressively demonstrates how versatile the lamp is in terms of spectral programming and how well the measurement results can be recorded and documented with our spectrometers.


SiriusX.3 in image processing

Although SiriusX.3 was developed as a plant lamp, its technical properties make it a highly interesting light source for image processing tasks. Based on theoretical models and initial internal tests, we see great potential for:

  • Precise spectral control, enabling reproducible lighting scenarios;
  • Targeted color adjustments through four freely combinable channels, which can be crucial in quality assurance and material testing;
  • Reliable results in camera-based measurements through reproducibility.

The current control interface is currently optimized primarily for plant research. However, thanks to its modular architecture, the software can be flexibly expanded—for example, for synchronization with camera systems or specific lighting profiles for image processing.

We are actively seeking partners who would like to join us in tapping the potential of SiriusX.3 in image processing.


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Last update: 2025-23-09