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H, N, O analyzer inductar ONH cube
inductar® ONH cube
Inorganic elemental analyzer
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Simultaneous ONH elemental analysis in metals and other inorganic materials

The inductar® ONH cube is an analyzer for the determination of oxygen, nitrogen and hydrogen, which combines highly accurate data with simple, clean, and automated processes. Using an innovative solid-state induction furnace for the first time in an inorganic ONH analyzer, it takes ONH determination in metals and other inorganic materials to the next level. The innovative and advanced design offers simultaneous and user-friendly ONH analysis, without the need for tedious cleaning operations. The analyzer is also available as OH and ON only configuration with the possibility to upgrade to the full ONH version at any time.

Highlights of the inductar ONH cube

Precise results without tedious cleaning

due to our innovative solid-state induction furnace technology

Outstanding instrument flexibility

to fulfill your analytical needs due to the customizable instrument concept that offers different modes, sample feeding options and detection options

Minimal operational requirements

without the need for external cooling or a high voltage power supply

Easy handling & low maintenance

because of the intuitive software and the user-friendly instrument concept for daily routine operation

Features

Precise results & reduced maintenance without tedious cleaning

The innovative solid-state induction furnace brings ONH analysis to the next level. For the first time, it is technologically possible to use induction heating also for ONH analysis. By using smart instrument design and modern induction technology, the required temperatures of nearly up to 3,000 °C can be reached directly at the sample. Induction heating is in many respects advantageous for ONH analysis. The first advantage is obviously that no electrodes need to be frequently cleaned, which results in less maintenance and more reliable results. Secondly, as the graphite crucible is not in contact with cooled electrodes, the sample container can be completely outgassed to avoid unwanted blanks. Third, power and therewith the temperature can be smoothly controlled, which ensures best data quality.

Outstanding instrument flexibility

The customizable instrument concept of the inductar ONH cube offers a wide range of customization options, suitable for your applicational needs. For example, it offers two different detectors for hydrogen determination. The new and innovative electronic hydrogen sensor (EHS) enables fast & simultaneous ONH determination, without having water in the system (water IR). In the ONH configuration, ON, OH (H with thermal conductivity detector (TCD)) and H only measurement is also possible, depending on the analysis mode selected in the software. Besides the ONH configuration, the analyzer is also available as ON and OH only configuration. The two element configurations only operate in one mode, but an upgrade to the full ONH configuration is possible at any time. The customizable concept is completed by different sample feeding options including a manual sampler and a fully automated autosampler with 23 positions.

Minimal operational requirements

The inductar ONH cube has only very minimal operational requirements: Just 628 mm x 607 mm of bench space in the laboratory, one standard electrical connection (230 V) and only one gas supply are needed. The inductar ONH cube does not need any compressed air in addition to the carrier gas, as the sampler is controlled and moved completely electronically. The long living solid-state induction furnace is highly energy efficient. It reduces power consumption and only needs minimal cooling. No external heat exchanger or connection to the tap water needed. The complete cooling cycle is built inside of the instrument. This makes it incredibly easy to place the inductar ONH cube in your laboratory and saves bench space.

Easy handling & low maintenance

The inductar ONH cube is developed for unsurpassed user convenience and maximum robustness. The proprietary solid-state technology for the induction furnace ensures a virtually unlimited lifetime of components. Clearly arranged, easily accessible system components enable you to perform the few needed maintenance within seconds. The tool-free clamp connection system ensures a reliably leak tight instrument at any time. By design, no time-consuming tedious cleaning operations are needed. The lifetime of used reagents is monitored by automated indicators. The intuitive, user friendly software offers not only the easy control of the instrument, it also recognizes and prominently displays when maintenance work is needed.

Product details

The inductar ONH cube is optimized for simultaneous oxygen, nitrogen and hydrogen analysis. Configurations with only two detectable elements (ON, OH) are also available. An upgrade to the full ONH version is possible at any time during the instrument's lifetime. The following modes are available:

  • ONH configuration
    The ONH configuration offers simultaneous ONH determination. Oxygen is determined with a wide-range infrared detector (IR), nitrogen with a thermal conductivity detector (TCD) and hydrogen with our innovative electronic hydrogen sensor (EHS). Furthermore, it offers the possibility to select from reduced modes to achieve the most flexibility:

    • ON mode

    • OH mode (H with TCD)

    • H mode

  • ON configuration
    The ON configuration offers simultaneous ON determination. An upgrade to the full ONH version is possible at any time.

  • OH configuration
    The OH configuration offers simultaneous OH determination with hydrogen detection via a thermal conductivity detector (TCD). An upgrade to the full ONH version is possible at any time.

Analysis method

The inert gas fusion analysis is conducted by melting a sample in inert gas atmosphere with helium (argon and nitrogen possible depending on sample and mode) at temperatures of nearly up to 3,000°C. This is followed by purifying the analytical gas flow and analyzing the subsequent gas output. The ONH analysis is conducted according to international standards.

Easy sample preparation and handling

There is no need for special sample preparation, meaning all kinds of solid samples can be analyzed if they fit into the ELCAPS ONH nickel capsules and their height does not exceed the capsule’s height. Samples up to 1 g can be handled. For powder samples it is highly recommended to close the nickel capsules with our inPress tool. For some analyses, further additives may be needed.

Innovative technology for simultaneous detection

The inductar ONH cube is the first ONH analyzer that works with a solid-state inductions furnace and is able to detect all three elements simultaneously. In the full ONH mode, the hydrogen content is quantitatively measured with the electronic hydrogen sensor (EHS), that is based on the principle of an electrochemical cell.

Linear single/multipoint calibration

You, as the instrument operator, will be guided through the calibration by an intuitive calibration assistant. The transparently calculated calibration is editable and storable. Furthermore, templates can be stored for future calibrations. The calibration is linear and stable for months.

Only few operational requirements

The instrument requires only 628 mm x 607 mm of laboratory working space and only needs one electrical connection (230 V) and one operating gas for maintenance-free, long-term operation. No external cooling required.

Different sample feeding options

The inductar ONH cube offers the choice from an automated sampler with 23 sample positions as well as a manual sampler with 2 sample positions.

Full automation

Automated and unattended operation is possible using the integrated 23 position autosampler and PC-control through Windows®*. Furthermore, optional 21 CFR Part 11 compliant software is available.

Dimensions

With manual sampler: 607 x 628 x 860 mm (W x D x H)

With autosampler: 607 x 628 x 1045 mm (W x D x H)

*Windows is a registered trademark of Microsoft Corporation, Redmond, USA

Upgrade from ON and OH configuration to ONH configuration

An upgrade from both reduced modes (ON or OH) to the full ONH configuration is possible at any time during the instrument’s lifetime.

Electronic analytical balance

Balance and elemental analyzer form a system. We offer convenient analytical balances from the leading manufacturers with our instruments. Automatic weight transfer from balance to software is possible.

Nickel capsule press inPress

To securely and easily close the ELCAPS ONH nickel capsules, particularly for powder samples and magnetic samples, we highly recommend using our nickel capsule press inPress. This secures that no material will be lost during analysis.

Downloads

Product flyer
Flyer inductar ONH cube
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Determination of the oxygen, nitrogen and hydrogen content in metal powders
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Determination of oxygen, nitrogen and hydrogen in permanent magnets
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Determination of the hydrogen concentration in titanium and its alloys
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Oxygen determination in metal oxide powders for high-tech applications
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Oxygen determination in rhodium
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Simultaneous determination of the oxygen, nitrogen and hydrogen content in steel
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Simultaneous oxygen, nitrogen and hydrogen analysis in metal powders for 3D printing: fresh vs. recycled
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Front page of the Application Note
Hydrogen determination in titanium and zirconium
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Benefitting from Elementar’s nickel capsule press “inPress”
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Comparison of H detection with Electronic Hydrogen Sensor and Thermal Conductivity Detector
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Minimal cooling requirements with the inductar® ONH cube
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Switching analysis temperatures with ease with the inductar® ONH cube
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