ZEISS Corona extreme – the proven NIR standard in HALDRUP field trial machines

In-house calibration data is the result of experience, repeated trials, and crop-specific expertise. It forms the basis for reproducible, long-term comparable quality measurements—and a value that grows with each year of testing.

HALDRUP integrates the ZEISS Corona extreme directly into its field trial machines. The system measures protein, moisture, oil, starch, and dry matter in real time—and operates using custom calibration models created with standard chemometrics software. Those who wish to use and expand their own calibration base retain full control over their analytics.

The ZEISS Corona extreme has been an established standard in field trials for many years—for users who rely on an existing or self-developed calibration basis and wish to further develop it over the long term.

PRECISION MATTERS

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Advantages

  • Direct use in the HALDRUP field test machine – no separate sampling required

  • Full compatibility with self-created calibration models from common chemometrics software (GRAMS, Unscrambler, UCAL, etc.)

  • Calibrations within the ZEISS Corona product family are transferable from device to device

  • Simultaneous measurement of multiple parameters: protein, moisture, oil, starch, dry matter

  • ZEISS NIR technology proven over many years – tested under real field conditions

  • Protection class IP66, operating temperature –15 °C to +50 °C, shock resistance up to 50 G

  • Integration into existing experimental data, LIMS, and trial management systems via industry interfaces

  • Reproducible results across locations and trial years – based on proprietary calibration data

Both systems are integrated by HALDRUP into the field trial machine at the same location. The key difference lies in the calibration: The ZEISS HALOS offers preconfigured curves for many crops and is ready for immediate use without an external computer—ideal for beginners or new locations. The Corona extreme works with custom calibration models created using standard chemometrics software. Those who have built up their own calibration database over the years or want to define their own analytics from the start will find the Corona extreme to be the right platform—with full control over parameters, crops, and quality standards.

The Corona extreme simultaneously determines several quality-critical parameters in the near-infrared range from 950 to 1,650 nm: protein, moisture, fat, oil, starch, and dry matter—non-destructively, without sample preparation, and in real time.

The system supports calibration models from common chemometrics software such as GRAMS, Unscrambler, SL Calibration Wizard, or UCAL. Existing, self-created calibrations can be directly integrated and continued to be used. In addition, calibrations can be transferred from one device to another within the ZEISS Corona product family—a significant advantage for multi-site pilot plants with multiple machines.

The Corona extreme is suitable for cereals, grain legumes, rapeseed, and other field crops. The measurable parameters and measurement accuracy depend on the available calibration models. Custom, crop-specific calibrations can be added and refined at any time—the system grows with the trial program.

The housing, made of food-grade stainless steel, meets IP66 protection standards and is designed for operating temperatures ranging from –15 °C to +50 °C, as well as shock resistance up to 50 G. Dust, moisture, and vibrations—as encountered in daily field testing operations—do not affect measurement quality.

Via common industrial interfaces—OPC UA, Modbus, Profinet, Profibus, Ethernet/IP—measurement results can be transferred directly to LIMS, trial management software, or ERP systems. The InProcess software also enables location-independent data access and remote diagnostics.

For those who want to get started with NIR analysis quickly and without having to perform their own calibration work, and who prefer to rely on preconfigured curves for common crops, the ZEISS HALOS is the more suitable solution. HALDRUP installs both systems and provides consultation to help you make the right decision.

  • Breeding programs with a long-established, crop-specific calibration basis

  • Users who want to define and control their NIR analytics themselves from the start

  • Multi-site experimental farms with uniform, self-defined quality standards

  • Testing facilities and plant variety offices with standardized, documented measurement methods

  • Research institutions and universities with their own method design

  • Service providers and CROs with customer-specific calibration requirements

  • Agricultural corporations with established, group-wide quality protocols

  • Spectrometer Diode array
    Spectral range 950–1,650 nm
    Light source
    Halogen
    Lamp life > 20,000 h
    Protection rating IP66
    Weight 10 kg
    Enclosure dimensions (W × H × D) 256 × 190.5 × 253 mm
    Operating temperature –15 °C to +50 °C
    Storage temperature –40 °C to +70 °C
    Shock resistance up to 50 G
    Supply voltage 9–36 V safety extra-low voltage
    Interfaces OPC UA, Modbus, Profinet, Profibus, Ethernet/IP
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FAQ – Questions from Real-World Experience

Yes. The Corona extreme is designed precisely for this purpose. Existing calibration models from standard chemometrics software can be integrated directly. Your database, built up over the years, remains fully usable and continues to form the basis of your quality measurement—without having to rebuild it and without any data loss.

Yes, if you want to define your own analytics from the very beginning. The Corona extreme gives you the freedom to develop your own calibration models for your specific crops and quality parameters—using standard chemometrics software and on a proven, long-term stable platform. On the other hand, if you want to start right away with preconfigured curves, you should consider the ZEISS HALOS.

Calibrations can be transferred from device to device within the ZEISS Corona product family. This enables comparable measurement results across locations—a key requirement for corporations, testing laboratories, and research institutions with distributed testing operations.

The Corona extreme is the latest, advanced generation of the long-proven ZEISS Corona. Existing users benefit from improved robustness and expanded connectivity—while maintaining full compatibility with proven calibration structures.

The halogen lamp has a service life of over 20,000 hours. Lamp replacement is easy to perform. Self-diagnostic and remote diagnostic functions via the InProcess software minimize downtime. HALDRUP offers customized service agreements upon request.

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NIR Analysis in Field Trials – With Its Own Calibration Base
The ZEISS Corona extreme is integrated directly into HALDRUP’s field trial machines. It measures protein, moisture, oil, and other parameters in real time—based on custom, crop-specific calibration models created using standard chemometrics software.

Use, protect, and expand your own calibration data
Many growers and research facilities have built up their own calibration data over the years. The Corona extreme protects this investment—existing models remain usable, expandable, and can be transferred from device to device within the ZEISS Corona product family.

Proven ZEISS NIR Technology in Field Trials
An established standard in field trials for many years: The ZEISS Corona extreme is the latest generation of a proven platform—robust, precise, and tested under real-world harvesting conditions.

Reproducible quality data across trial years and locations
Thanks to standardized, custom calibration models, measurement results are comparable over the long term—across locations and over multiple trial years.

ZEISS Corona extreme or ZEISS HALOS?
Both systems are integrated into the field trial machine by HALDRUP. The choice depends on the desired calibration strategy. HALDRUP provides consultation to help you decide—whether you’re just getting started or taking the next step in NIR analytics.

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