This instrument is used to quickly and accurately determine the carbon and sulfur contents of plain carbon steels, medium and high alloy steels, cast iron, gray iron, ductile iron, alloy cast iron, various iron alloys, silicon iron, manganese iron, nickel iron, lithium iron, chromium iron, rare earth metals, coke, coal, slag, catalysts, ores and other materials. It adopts a high-frequency induction furnace and infrared carbon and sulfur analysis system, which integrates optoelectronic machinery, computers, and analytical techniques. It has multiple domestic technological innovations.
Main technical parameters:
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Analysis principle: high-frequency induction furnace combustion - infrared absorption method for carbon and sulfur combined measurement.
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Measurement range:
Carbon: 0.00001-10.0000% (expandable to 99.999%)
Sulfur: 0.00001-0.3500% (expandable to 99.999%)
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Analysis time: generally about 35 seconds (excluding sampling and weighing time).
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Measurement pool: a carbon and sulfur measurement pool. Automatic switching between high and low carbon pools is available for carbon measurement.
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Analysis errors, accuracies, and precisions:
Analysis errors: in line with GB/T20123-2006/ISO15350:2000 standards.
Accuracy: in line with the verification regulations JJG395-97.
Analysis accuracy: Carbon: RSD≤0.5% Sulfur: RSD≤1.0%
Sensitivity (smallest readout): 0.1ppm
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Electronic balance: online weighing, uncertain measurement, weighing range 0-100g, readout accuracy 0.0001g.
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Computer: mainstream model, 19-inch liquid crystal display.
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Working power supply: AC220V±10%, 50Hz.
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Working environment: indoor temperature 10-30°C; relative humidity <80%.
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Oxygen: purity ≥99.5%, input pressure 0.18MPa±5%, carrying oxygen pressure 0.08MPa±2%.
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Gas flow: top oxygen flow 1.0-2.0L/min, analytical gas flow 3.0-4.5L/min.
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Desiccant: high-efficiency color-changing desiccant.
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Filter: quartz cotton.
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