Retsch-Allee 1-5, 42781 Haan
Telephone +49 2104 2333400
Fax +49 2104 2333499

This company is main exhibitor of


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GIFA 2015 hall map (Hall 11): stand H29

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GIFA 2015 fairground map: Hall 11


Dr. Andreas Theisen

Marketing, Vertrieb, Werbung, PR

Retsch-Allee 1-5
42781 Haan, Germany

+49 2104 2333400-400

+49 2104 2333499-499


Dr. Andre Klostermeier

Planung, Arbeitsvorbereitung

Retsch-Allee 1-5
42781 Haan, Germany



Our range of products

Product categories

  • 19  Measurement and test technology
  • 19.04  Chemical analyses and metallography
  • 19.04.07  Analytical apparatus, others

Our products

Product category: Analytical apparatus, others


High-performance inert gas fusion for reliable ONH analysis

ELTRA‘s ELEMENTRAC ONH-p series is designed for accurate and reliable determination of the elements oxygen, hydrogen and nitrogen. The new closed gas management with optimized gas circulation allows for precise measurements from ppm level to percentage range. Thanks to the development of a new robust and wear-free sample drop mechanism it is possible to analyze standard samples reliably as well as granulates without capsules. This combination allows for a wide application range of ELTRA’s ONH-p in R&D as well as in routine and process analyses.

The ONH series was designed with a special focus on user friendliness. The chemicals which need to be exchanged regularly are placed on the front of the analyzer for easy access; during operation, they remain hidden behind a door. The ELEMENTRAC ONH-p generation features new powerful software which is easily operated via a clearly structured user menu and which supports a variety of export functions.

Another new feature is the automated segmented leakage test. The fl exibility of ELTRA analyzers has been continued with the new ELEMENTRAC ONH-p series which is available with freely selectable element combinations. The comprehensive range of options includes
gas purifi cation and gas calibration.


  • Closed gas management with optimized gas circulation for sensitive ONH determination
  • Convenient sample drop mechanism permits analysis of granules without capsules
  • Efficient catalyst furnace for CO oxidation
  • User-friendly software with segmented leakage test

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Product category: Analytical apparatus, others

Carbon / Sulfur Analyzer CS-800

Precise Carbon and Sulfur Analysis in inorganic samples

ELTRA’s CS-800 is a flexible and robust combustion analyzer for the determination of carbon and sulfur in inorganic sample materials such as steel, cast iron or cement. Organic samples like soil, graphite or chemicals can also be analyzed with the CS-800. It is is equipped with a 2500 °C induction furnace to examine the element concentrations in solids without time-consuming sample preparation. The typical analysis time is approximately 45 to 60 seconds.

Whereas spectrometric methods require a homogeneous and plane sample surface for C/ S analysis, the CS-800 also accepts samples in the form of powders, grains, drillings or broken pieces. Thanks to the high sample weight of up to 1 g even inhomogeneous samples can be reliably characterized.

The CS-800 features up to four independent infrared measuring cells allowing for accurate analysis of low as well as high carbon and sulfur concentrations simultaneously in one measurement. The sensitivity of the IR cells can be individually configured to ensure optimum adaptation to application requirements. If the analysis involves aggressive reactive gases (for example from acidulous soil samples) the use of robust and durable gold cuvettes is an option.

• Simultaneous analysis of carbon and sulfur in a 2500 °C induction furnace
• Up to four independent infrared cells with flexible measuring ranges
• Very short measurement times
• High sample weights from a few milligrams to 1 gram
• Flexible sample geometry
• Gold IR cells (option)
• Automated sample feeding (option)

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About us

Company details

Since more than 30 years ELTRA is among the leading manufacturers of elemental analyzers. The line of instruments comprises analyzers for C, H, N, O, S determination and covers a measuring range from a few ppm to 100 %. It is possible to analyze organic as well as inorganic materials. ELTRA’s strength is the great flexibility of their analyzers which allows them to adapt the measuring ranges to the user’s requirements. This flexibility can also be found in the thermogravimetric analyzers of which ELTRA offers a complete product family. The ELTRA concept is complemented by extensive counseling and test analyses of customer samples in the in-house application laboratory.

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