ZEISS HALOS – Integrated NIR quality analysis in HALDRUP harvesters for field trials


As an industrially designed NIR analysis system, ZEISS HALOS enables the continuous determination of quality parameters such as moisture, protein, starch, oil, or dry matter directly in the material flow during harvesting.

In HALDRUP plot combine harvesters, silage corn harvesters, and other experimental harvesters, quality measurement takes place directly during the ongoing harvesting process—without the need for separate laboratory analysis. Yield and quality data are automatically assigned to the respective experimental plot and are available for documentation, evaluation, and decision-making processes in the field trial.

Optics, electronics, firmware, and calibration models are systematically coordinated to ensure stable, reproducible measurement performance. Cloud-based functions for monitoring, updates, and condition-based maintenance support high availability as well as integration into existing trial and data management systems.

ZEISS HALOS – Technical Features and System Benefits

  • Industrial NIR sensor technology—developed and validated for continuous use under real-world field and harvesting conditions.
  • Coordinated complete system – optics, electronics, firmware, and calibration models are systematically coordinated to ensure reproducible measurement results.
  • OEM integration into HALDRUP harvesters – designed for integration into existing machine control systems, field management systems, and experimental data systems.
  • Digital interfaces and remote functions – API connections, remote diagnostics, software updates, and condition-based maintenance support high system availability.

Integrated NIR quality analysis in the harvesting process.

The ZEISS HALOS is an integrable NIR analysis system (near-infrared spectrometer) for the rapid, non-destructive determination of quality parameters such as moisture, crude protein, starch, and oil in grain and other experimental crops.

HALDRUP offers direct integration of the ZEISS HALOS into its plot combine harvesters, silage corn harvesters, and other field trial harvesting machines. This allows yield and quality data to be recorded immediately during plot harvesting and automatically assigned to the respective trial plot.

For plant breeding, seed testing, and field trials, this means a closed, reproducible measurement process without separate laboratory analysis—with quality data available immediately for informed evaluations and direct decisions in experimental work.

Real-time analysis in the material flow – precise NIR measurement directly in the field

The ZEISS HALOS operates on the basis of near-infrared spectroscopy (NIR) and analyzes quality parameters such as moisture, protein, starch, or oil directly in the material flow of the HALDRUP harvester – while the field is being harvested.

This generates reproducible quality data without the need for separate laboratory analysis and without interrupting the harvesting process.

Depending on the machine type, crop, and trial objective, various quality parameters can be measured.

Silage corn and forage harvesting
: Determination of dry matter content directly at the discharge point to optimize chop length and for precise quality assessment in field trials.

Cereal, oilseed, and grain crop harvesting
Analysis of moisture, protein, starch, and oil in the material stream – with direct assignment of quality data to the respective trial plot.

Scalable platform for integrated quality data in field trials

The ZEISS HALOS is designed as an expandable NIR system and can be flexibly integrated into HALDRUP harvesters as well as existing trial and data management systems.

Thanks to open interfaces and API connectivity, measurement data can be automatically transferred to plot management, evaluation, or breeding software.

The modular system architecture enables future expansions and adaptations to new analysis parameters or digital workflows—without fundamental system changes.

Built for the rigors of everyday field use

The ZEISS HALOS is designed for continuous use in field trials. The NIR system is resistant to dust, vibrations, shocks, and temperature fluctuations and meets protection class IP6K9K.

The optical components are designed for long-term measurement stability. Integrated self-diagnostic and maintenance functions ensure high operational reliability and reduce unplanned downtime.

This ensures that quality measurements remain reproducible and reliable even under demanding harvesting conditions.

  • Spectral range: 950 – 1,650 nm (near-infrared)
  • Spectrometer type: Diode array spectrometer
  • Lamp: Halogen light source
  • Operating temperature: –15 °C to +55 °C
  • Storage temperature: –40 °C to +70 °C
  • Operating voltage: 9 – 36 V SELV
  • Protection class: IP6K9K – fully dust- and water-jet-proof
  • Housing dimensions (W × H × D): approx. 182.7 × 169.1 × 229.7 mm
  • Weight: approx. 9 kg
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FAQ – Frequently Asked Questions About ZEISS HALOS

The ZEISS HALOS is designed for integration into HALDRUP plot combine harvesters, silage corn harvesters, and other HALDRUP experimental harvesters in field trials.

The integrated NIR quality analysis is performed continuously in the material flow during the ongoing harvesting process. Recorded quality parameters such as moisture, protein, starch, or dry matter are directly assigned to the respective test plot and are immediately available for trial evaluation, documentation, or process-accompanying optimization.

The ZEISS HALOS is designed as an industrial NIR system for continuous use in field trials and in HALDRUP harvesters. The housing is dust- and waterproof to IP6K9K standards and is constructed to be vibration- and shock-resistant.

The optical components are designed for long-term measurement stability. Integrated diagnostic and maintenance functions support high operational reliability and help reduce unplanned downtime.

Yes, the ZEISS HALOS offers flexible interfaces and API connectivity for easy integration into machine controls and software solutions. The modular platform allows for customization.

ZEISS offers validated calibration models for specific crops and applications in field trials. These include, among others, alfalfa (fresh), barley, corn, chopped corn, grass, rapeseed, soybeans, and wheat. Specific applicability depends on the available calibration models as well as the desired quality parameters—such as moisture, protein, starch, oil, or dry matter—which are measured in the material flow of the HALDRUP harvester.

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