The Fusion Master ONH is a high-precision analyzer for detecting oxygen, nitrogen, and hydrogen in metals and solid materials. Essential for quality control in the metal industry, it delivers fast, reliable, and accurate gas analysis—ideal for alloys and materials requiring trace gas detection.
Oxygen, nitrogen, and hydrogen significantly impact steel properties. The Fusion Master ONH is the ideal analyzer for monitoring the entire steel production process—from pig iron to final product. Its robust metal housing allows for use even near production lines.
In the aviation industry, where component strain is high, consistent quality is essential. The Fusion Master ONH delivers the precision and reproducibility needed to meet these stringent requirements. It also supports comprehensive result documentation and seamless data exchange with quality assurance systems.
In copper production, precise oxygen measurement is crucial – from raw material to oxygen-free copper wire. Equipped with two IR cells, the Fusion Master ONH accurately analyzes both high and low oxygen levels. Its low-maintenance design ensures reliable, high-throughput operation.
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Furnace
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PC controlled electrode furnace.
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Power: 10 kVA Maximum.
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Power supply
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230 VAC (+/- 10 % ), 50/60 Hz,16 A , 3.0 kVA max
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Detection method
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Solid state infrared absorption with up to 2 independent detector units for oxygen and a thermal conductivity detector for nitrogen and hydrogen.
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Typical sample weight / Analysis time
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1g / 120s
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Measuring Range
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Oxygen : Low range-0.1 ppm – 0.01 % and High range – 0.01 % – 2 %
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Nitrogen : Low range-0 ppm – 0.01 % and High range-0.01 % – 2 %
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Hydrogen : Low range- 0 ppm – 0.005 % and High range-0 % – 0.5 %
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* Using sample weight of 1000 mg, with reduced sample weight up to 100 %
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Sensitivity / Precision
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Oxygen : 0.1ppm/± 0.3ppm
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Nitrogen : 0.1ppm/± 0.3 ppm
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Hydrogen : 0.01 ppm /± 0.05 ppm
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Reagents
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Anhydrous magnesium perchlorate, sodium hydroxide, rare earth copper oxide
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Gas connection
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Helium and Nitrogen 5.0, 2 bar, compressed air 6 bar (min, oil free)
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Power supply
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400/230 VAC (+/-10 %), 50/60 Hz, 32 A, 10 kVA max.
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Dimensions
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W, H, D: 670 mm, 870 mm, 800 mm, weight: 165 kg
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For operation needed
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PC and monitor (included in the scope of supply), balance (resolution 0.0001g)
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The sample, placed in a graphite crucible, is fused in the electrode furnace. Nitrogen and hydrogen gases are released from the sample into the carrier gas, while the oxygen reacts with the carbon of the graphite crucible to form CO. The CO is subsequently oxidized to CO₂.
The analytical gas is then directed to the thermal conductivity cell for the determination of nitrogen and hydrogen, and afterwards to the infrared cell for the determination of oxygen.
Based on the data received from the detectors, the PC calculates the concentrations of oxygen, nitrogen, and hydrogen.
