{"title":"Carbon and Sulfur Analyzer","description":"\u003ch2\u003eCarbon and Sulfur Analyzer\u003c\/h2\u003e\n\u003cp dir=\"auto\" class=\"PDq2pG_selectionAnchorContainer\"\u003eCarbon \u0026amp; Sulfur Analyzer systems provide accurate measurement of total carbon and sulfur in solid materials, helping laboratories verify material chemistry for production release, incoming inspection, quality control, and R\u0026amp;D. The QualiCSA™ 5 and QualiCSA™ 3 use combustion and infrared (IR) detection to measure carbon as CO₂ and sulfur as SO₂. Integrated gas conditioning supports consistent and reliable analysis across a wide range of material matrices.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"auto\"\u003eGeneral Description of Carbon \u0026amp; Sulfur Analyzer\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eA Carbon \u0026amp; Sulfur Analyzer combusts a solid sample in an oxygen-rich environment, converts the combustion products into measurable gases, and uses infrared detection cells to quantify carbon and sulfur concentrations.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe QualiCSA™ 5 Carbon \u0026amp; Sulfur Analyzer features high-frequency induction combustion with multi-channel IR detection. Its gas path incorporates dust filtration, moisture removal, catalytic conversion, and stabilized flow control to support dependable analytical performance across different sample types.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe QualiCSA™ 3 Carbon \u0026amp; Sulfur Analyzer uses high-frequency heating and infrared detection for rapid, simultaneous carbon and sulfur analysis. It is suitable for testing metals, alloys, ores, and other related materials in laboratory and quality control environments.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eCarbon \u0026amp; Sulfur Analyzers are used across metals, mining, materials research, and industrial quality control laboratories for reliable carbon and sulfur measurement.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSteel, Cast Iron, and Alloy Quality Control\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSupports grade verification, melt control, and final release testing where carbon and sulfur limits can influence weldability and downstream material performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNon-Ferrous Metals and Superalloys\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eEnables carbon and sulfur measurement at low concentrations to help maintain consistent material composition and processing characteristics across production lots.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCemented Carbides and New Energy Materials\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eProvides carbon analysis for composition control and material development, supporting both research activities and routine quality control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOres, Soil, Sand, Glass, and Mineral Samples\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSupports analysis workflows for powder-based and moisture-bearing materials commonly tested in mining, geology, mineral processing, and materials laboratories.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOperating Principle: High-Frequency Combustion and IR Detection\u003c\/h2\u003e\n\u003cp\u003eThe QualiCSA™ 5 and QualiCSA™ 3 Carbon \u0026amp; Sulfur Analyzers use high-frequency combustion and infrared (IR) detection for rapid carbon and sulfur analysis. The analytical process converts carbon and sulfur in a solid sample into measurable gases and determines their concentrations through infrared absorption.\u003c\/p\u003e\n\u003cp\u003eDepending on the sample type and analyzer configuration, analysis can typically be completed within approximately 40 to 60 seconds through three primary stages: high-temperature combustion, gas conditioning and purification, and infrared detection.\u003c\/p\u003e\n\u003ch3\u003eHigh-Temperature Induction Combustion\u003c\/h3\u003e\n\u003cp\u003eThe analysis begins by placing a solid sample into a ceramic crucible within an oxygen-rich combustion chamber. The sample may include steel, cast iron, alloys, minerals, or other suitable solid materials.\u003c\/p\u003e\n\u003cp\u003eHigh-frequency induction energy heats and combusts the sample, converting carbon into carbon dioxide (CO₂) and sulfur into sulfur dioxide (SO₂). The QualiCSA™ 5 uses a 13.56 MHz induction frequency, while the QualiCSA™ 3 operates at 18 MHz.\u003c\/p\u003e\n\u003cp\u003eFor specialized coal and mineral applications, the QualiCSA™ 3G can be configured with an adjustable tubular resistance furnace, providing an alternative heating method for specific sample requirements.\u003c\/p\u003e\n\u003ch3\u003eGas Conditioning and Purification\u003c\/h3\u003e\n\u003cp\u003eFollowing combustion, the generated gases pass through a conditioning and purification system before entering the infrared detection cells. The gas path helps remove dust and moisture while conditioning the combustion gases for stable measurement.\u003c\/p\u003e\n\u003cp\u003eAutomatic dust removal and moisture control help maintain a consistent gas stream and reduce potential interference during analysis. These processes are particularly useful when analyzing powdery, mineral, or moisture-bearing materials.\u003c\/p\u003e\n\u003ch3\u003eInfrared (IR) Detection and Absorption\u003c\/h3\u003e\n\u003cp\u003eAfter conditioning, the combustion gases enter infrared measurement cells. Carbon dioxide (CO₂) and sulfur dioxide (SO₂) absorb infrared radiation at characteristic wavelengths, allowing the analyzer to determine the corresponding carbon and sulfur concentrations.\u003c\/p\u003e\n\u003cp\u003eSolid-state pyroelectric detectors and narrow-band optical filters provide selective measurement of the target gases while helping minimize interference from other components in the gas stream.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCalibration Strategy and High-Precision Performance\u003c\/h2\u003e\n\u003cp\u003eHigh-frequency combustion with IR detection is a comparative analytical method that relies on calibration against certified reference materials. Proper calibration establishes the relationship between detector response and known carbon and sulfur concentrations, supporting accurate quantitative analysis.\u003c\/p\u003e\n\u003cp\u003eA typical calibration procedure can include measurement of a blank crucible followed by certified reference materials. Blank correction helps account for background signals and can improve measurement performance, particularly when analyzing low concentrations of carbon and sulfur.\u003c\/p\u003e\n\u003cp\u003eThe QualiCSA™ 5 provides sulfur detection capability down to 0.6 ppm, with an instrument sensitivity of 0.01 ppm under specified conditions. The QualiCSA™ 3 provides a lower detection limit of 1 ppm.\u003c\/p\u003e\n\u003cp\u003eCalibration functions are designed to support linear calibration curves and consistent recovery of reference materials, helping laboratories maintain reliable analytical performance during routine testing.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eGas Flow Stabilization and Carryover Mitigation\u003c\/h2\u003e\n\u003cp\u003eStable gas flow is important for reliable carbon and sulfur analysis. The QualiCSA™ analyzers use controlled gas paths and oxygen flow management to transport combustion products from the combustion chamber through the conditioning system and into the IR detection cells.\u003c\/p\u003e\n\u003cp\u003eA direct gas path helps reduce the potential for residue accumulation and carryover between measurements. Proper gas conditioning also supports consistent detector response during successive analyses.\u003c\/p\u003e\n\u003cp\u003eFor applications involving geological and mineral samples, configurations such as the QualiCSA™ 5M provide enhanced moisture removal and automatic dust management to address the characteristics of powdery and moisture-bearing materials.\u003c\/p\u003e\n\u003cp\u003eTogether, controlled combustion, gas purification, moisture management, and stable gas flow support repeatable carbon and sulfur measurements across a broad range of laboratory samples.\u003c\/p\u003e\n\u003ch2 dir=\"auto\"\u003eWhy Choose Qualitest for Your Carbon \u0026amp; Sulfur Analyzer?\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eQualitest Carbon \u0026amp; Sulfur Analyzer systems are designed for production QC and R\u0026amp;D laboratories that require fast analysis, repeatable measurements, and efficient daily operation.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe QualiCSA™ 5 combines high-frequency induction combustion, dust filtration, moisture removal, stabilized gas flow, and multi-channel IR detection to support consistent results across a variety of sample types.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe instrument software is designed to simplify routine testing and laboratory workflows. The interface provides instrument status and analytical trends, guided operating prompts, calibration functions, and configurable access control options. This combination of hardware and software features supports efficient carbon and sulfur analysis for demanding laboratory applications.\u003c\/p\u003e","products":[{"product_id":"carbon-sulfur-analyzer-new","title":"Carbon \u0026 Sulfur Analyzer (New)","description":"\u003ch2\u003eCarbon \u0026amp; Sulfur Analyzer (New) – QualiCSA™ 5\u003c\/h2\u003e\n\u003cp\u003eCarbon and sulfur analysis is an essential quality control step when material chemistry affects metal quality, weldability, and specification compliance. The QualiCSA™ 5 Carbon \u0026amp; Sulfur Analyzer is a high-frequency combustion system with infrared (IR) detection, designed to deliver fast, repeatable total carbon and sulfur results for solid inorganic samples. The brochure series includes two configurations: the general-purpose QualiCSA™ 5 and the geology and mineral-focused QualiCSA™ 5M.\u003c\/p\u003e\n\u003cp\u003eThe QualiCSA™ 5 combusts samples in an oxygen atmosphere using a high-frequency induction furnace. The resulting CO₂ and SO₂ gases are measured through multi-channel infrared detection cells. Integrated dust and moisture control, catalytic conversion, and stabilized gas-flow management help maintain consistent analytical performance across a wide range of sample matrices.\u003c\/p\u003e\n\u003cp\u003eDesigned for efficient laboratory workflows, the analyzer supports rapid testing cycles for production and quality control decisions. Its software provides tools for calibration, analytical method setup, result management, and data security, helping laboratories maintain reliable testing procedures and organized data records.\u003c\/p\u003e\n\u003cp\u003eOptional configurations include a halogen trap, wet-sample handling system, and high-capacity autosampler, allowing laboratories to configure the QualiCSA™ 5 according to sample types, testing requirements, and laboratory throughput.\u003c\/p\u003e\n\u003ch2\u003eCarbon \u0026amp; Sulfur Analyzer (New) – QualiCSA™ 5 Applications\u003c\/h2\u003e\n\u003ch3\u003eSteel, Cast Iron, and Alloy Quality Control\u003c\/h3\u003e\n\u003cp\u003eCarbon and sulfur analysis plays an important role in steel, cast iron, and alloy quality control, supporting grade verification, melt control, and final product release testing. Reliable low-level carbon and sulfur measurement is valuable for cleaner steel production, while broader analytical ranges support foundry and alloy manufacturing. Fast analysis helps laboratories make timely production decisions, minimize rework, and maintain consistent process control.\u003c\/p\u003e\n\u003ch3\u003eNon-Ferrous Metals and Superalloys\u003c\/h3\u003e\n\u003cp\u003eNon-ferrous metals and superalloys can require precise carbon and sulfur control due to their effects on material properties and downstream processing. High-frequency combustion with infrared (IR) detection provides rapid C\/S analysis for production monitoring and incoming material inspection. Consistent gas handling helps maintain repeatable measurements during extended laboratory testing and high-volume workflows.\u003c\/p\u003e\n\u003ch3\u003eCemented Carbides and Advanced Materials\u003c\/h3\u003e\n\u003cp\u003eCarbon concentration can influence phase balance and performance in cemented carbides and advanced engineered materials. Controlled combustion and consistent gas conditioning help produce comparable carbon and sulfur results across multiple batches. This makes the analyzer suitable for both materials research and development laboratories and production quality control environments using consistent analytical procedures.\u003c\/p\u003e\n\u003ch3\u003eOres, Soil, Sand, Glass, and Mineral Samples\u003c\/h3\u003e\n\u003cp\u003eThe mineral-focused QualiCSA™ 5M configuration is designed for challenging sample matrices, including powdery, moist, and potentially corrosive materials. Moisture control and corrosion protection help support stable long-term operation when analyzing complex mineral samples. Applications include iron ore, copper ore, bauxite, rare-metal ores, coal, fluorite, sandstone, soil, sand, and glass, as referenced in the brochure materials.\u003c\/p\u003e\n\u003ch3\u003eStandards\u003c\/h3\u003e\n\u003cp\u003eThe QualiCSA™ 5 Carbon \u0026amp; Sulfur Analyzer supports laboratory workflows aligned with recognized international and industry testing standards for carbon and sulfur analysis:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eISO 15350: Specifies the determination of total carbon and sulfur in steel and related materials through combustion in an induction furnace followed by infrared absorption measurement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eASTM E1019: Covers analytical methods for determining carbon and sulfur in steel, iron, nickel, cobalt, and related alloys using instrumental techniques.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eISO\/IEC 17025: Provides a framework for laboratory competence, including validated testing methods, measurement traceability, quality control, and reliable analytical results.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCarbon \u0026amp; Sulfur Analyzer (New) – QualiCSA™ 5 Key Features\u003c\/h2\u003e\n\u003cp\u003eInfrared Detection System\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/carbon-sulfur-analyzer-2-2344402.webp?v=1789470445\" alt=\"Carbon \u0026amp; Sulfur Analyzer\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDual-Analog High-Order Signal Processing: The QualiCSA™ 5 uses a dual-analog, high-order infrared signal path with filter-based processing. Elliptic analog filtering helps reduce sampling errors associated with purely digital filtering approaches.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThree Standard IR Channels: The analyzer includes three independent infrared channels as standard, consisting of two carbon channels and one low-sulfur channel. An optional high-sulfur channel expands the system to four IR channels for broader sulfur measurement capability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePyroelectric Solid-State Detectors: Infrared detectors feature pyroelectric solid-state sensing elements with a structured optical configuration and analog processing circuitry, supporting stable signal detection during carbon and sulfur analysis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSynchronous Optical Chopper: A synchronous chopper motor with controlled operation maintains consistent optical modulation for continuous infrared measurement and reliable analytical performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStable IR Light Sources: The infrared light sources are selected to provide consistent optical output and resistance to oxidation, supporting dependable operation during extended laboratory use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTemperature-Controlled Gas Chamber: The gas chamber uses temperature control to maintain stable analytical gas conditions throughout the measurement process, helping improve measurement consistency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProtective Positive-Pressure Environment: The infrared source and detector area operates under slight positive pressure with purified protective gas. This configuration helps minimize the influence of ambient atmospheric conditions on infrared measurements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHigh-Efficiency Extraction System\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/carbon-sulfur-analyzer-3-1355556.webp?v=1789470527\" alt=\"Carbon \u0026amp; Sulfur Analyzer\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eThree-Function Extraction System: The analyzer features an integrated extraction design combining furnace chamber pre-purge, direct ash discharge, and dual-brush automatic cleaning to support efficient sample processing and routine maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlexible Analytical Methods: Programmable analytical routines allow testing parameters to be configured for different sample types, helping laboratories establish suitable measurement methods for varied carbon and sulfur applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptimized Dust Removal: The gas-path design is configured with reduced dead volume to help limit dust accumulation and minimize adsorption and desorption effects that could influence analytical results.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAutomatic Leak Detection: An integrated leak-check function monitors carrier-gas pressure to identify potential gas-path leaks. This helps improve measurement reliability while making routine maintenance and troubleshooting more straightforward.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCorrosion-Resistant Gas Path: Protective materials and design features help reduce corrosion risks caused by aggressive combustion byproducts, supporting long-term gas-path durability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated Hardware Safety: Safety features include an anti-pinch furnace head design, controlled air-pressure operation, and automatic shutdown during power loss, helping protect laboratory personnel and equipment during routine operation and unexpected interruptions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHigh-Frequency Combustion Furnace System\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/carbon-sulfur-analyzer-4-3479834.webp?v=1789470556\" alt=\"Carbon \u0026amp; Sulfur Analyzer\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eEfficient Dual-Chamber Furnace Design: The QualiCSA™ 5 features an efficient heat source with a dual-chamber, shielded furnace structure. Air-cooled observation windows and protected furnace tubing help support stable operation during continuous carbon and sulfur analysis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e13.56 MHz High-Frequency Power: Operating at 13.56 MHz with adjustable power up to 2.7 kVA, the induction furnace provides the high-temperature combustion conditions required for complete combustion of diverse inorganic solid samples.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStable High-Frequency Power Supply: An integrated power-supply isolation design combined with a feed-through capacitor configuration helps reduce electrical crosstalk and maintain stable high-frequency output during analysis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWaveguide Radiation Shielding: Built-in waveguide shielding helps control high-frequency electromagnetic emissions around the furnace system, supporting safer laboratory operation in accordance with the radiation limits referenced in the brochure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFlow Control System\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/carbon-sulfur-analyzer-5-1628624.webp?v=1789470636\" alt=\"Carbon \u0026amp; Sulfur Analyzer\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMicro-Pressure Differential Control: The QualiCSA™ 5 uses micro-pressure differential control combined with high-precision electronic flow regulation to maintain stable analytical gas flow during carbon and sulfur measurement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFast PID Flow Stabilization: A PID-based control system enables rapid stabilization of gas flow, helping laboratories begin analytical testing quickly after instrument startup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAutomatic Gas-Saving Standby Mode: An automatic standby function reduces gas consumption when the analyzer is idle, helping improve operational efficiency during periods without active testing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptimized Gas-Path Routing: Valve-based gas routing is designed to simplify the analytical gas path, reduce dead volume, and support stable gas movement throughout measurement cycles for consistent carbon and sulfur analysis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUser-Friendly Software\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/carbon-sulfur-analyzer-6-2680047.webp?v=1789470697\" alt=\"Carbon \u0026amp; Sulfur Analyzer\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDigital-Twin Style User Interface: The software interface provides a visual overview of instrument status, analytical trends, and operational guidance, helping users monitor testing and maintenance activities from a centralized dashboard.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated Guidance and Reference Content: Built-in guidance and reference information provides on-demand support for routine instrument operation, analytical procedures, and servicing tasks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlexible Method Configuration: The software supports multiple analytical routines with streamlined method configuration, making it suitable for routine production quality control and laboratory carbon and sulfur analysis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwo Analytical Operating Modes: The QualiCSA™ 5 provides two operating modes for different testing requirements:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFast Analysis Mode: Combines furnace pre-purge with direct ash discharge to reduce reset and cycle time for faster testing workflows.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStandard Analysis Mode: Combines direct ash discharge with dual-brush automatic cleaning to help reduce residual dust between consecutive analyses.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAutomatic Measurement Range Switching: The analyzer automatically switches between high- and low-range measurement channels, providing expanded analytical range coverage for different carbon and sulfur concentrations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMultiple Calibration Functions: Calibration workflows include single-point, basic, multi-point, and blank calibration, giving laboratories flexibility when establishing and maintaining analytical methods.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUSB-Key Access Control: USB-key security provides controlled instrument access. Analytical operation is disabled when the designated USB key is removed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMulti-Parameter Compensation: Integrated compensation algorithms help reduce environmental effects on analytical results, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCO Compensation: Corrects the influence of carbon monoxide on carbon measurement results.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAtmospheric Pressure Compensation: Helps reduce measurement variation associated with changes in atmospheric pressure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTheory and Method\u003c\/h2\u003e\n\u003cp\u003eThe QualiCSA™ 5 Carbon \u0026amp; Sulfur Analyzer determines carbon and sulfur concentrations through high-frequency induction combustion in an oxygen atmosphere, followed by infrared (IR) detection. During combustion, carbon-containing components are converted into carbon monoxide (CO) and carbon dioxide (CO₂), while sulfur is converted into sulfur dioxide (SO₂).\u003c\/p\u003e\n\u003cp\u003eThe combustion gases then pass through integrated dust removal and moisture control stages to condition the gas stream before infrared measurement. Carbon monoxide is subsequently converted into carbon dioxide to support complete carbon measurement. Multi-channel infrared cells measure the absorption signals associated with CO₂ and SO₂, while the analytical software processes these signals against calibrated curves to determine total carbon and sulfur concentrations.\u003c\/p\u003e\n\u003ch3\u003eGas Flow Path and IR Detection\u003c\/h3\u003e\n\u003cp\u003eThe diagram illustrates the internal gas flow path of the QualiCSA™ 5 Carbon \u0026amp; Sulfur Analyzer during high-frequency combustion and infrared detection. It shows the sequence of oxygen control, sample combustion, combustion-gas purification and drying, and infrared signal measurement.\u003c\/p\u003e\n\u003cp\u003eAfter combustion, the conditioned gas travels through the analytical gas path to the dedicated CO₂ and SO₂ infrared detection cells. The measured infrared signals are processed by the analyzer software to calculate carbon and sulfur concentrations before the gas is directed to the exhaust system.\u003c\/p\u003e\n\u003ch2\u003eWorking Principle\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/carbon-sulfur-analyzer-1-2038156.webp?v=1789470776\" alt=\"Carbon \u0026amp; Sulfur Analyzer\"\u003e\u003c\/p\u003e\n\u003ch2\u003eQualiCSA™ 5 Gas Flow Path and IR Detection Process\u003c\/h2\u003e\n\u003ch3\u003e1. Oxygen Supply and Pressure Control\u003c\/h3\u003e\n\u003cp\u003eThe QualiCSA™ 5 begins the analytical process with controlled oxygen delivery to maintain stable combustion and gas-flow conditions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTotal Oxygen Pressure Reducing Valve: Regulates the incoming oxygen pressure to maintain consistent gas flow throughout the analytical process.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCarrier Gas Purification: Removes contaminants from the oxygen supply that could interfere with low-ppm carbon and sulfur measurements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTotal Oxygen Valve: Provides the primary on\/off control for oxygen entering the analyzer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e2. Oxygen Routing to the Furnace\u003c\/h3\u003e\n\u003cp\u003eTwo controlled oxygen paths direct gas to the combustion zone to support efficient sample combustion and consistent gas transport.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eOxygen Lance Valve: Controls the oxygen supply used for combustion support and analytical gas transport.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFurnace Lance Valve: Directs oxygen into the furnace chamber to support complete combustion of the sample.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBackblow Valve: Provides a brief reverse-flow oxygen function when required, helping clear the gas lines and reduce dust carryover into the analytical gas path.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e3. Dust Capture and Moisture Removal\u003c\/h3\u003e\n\u003cp\u003eFollowing combustion, the hot gas passes through dedicated conditioning components before reaching the infrared detection system.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDust Filter: Captures combustion ash and particulate matter to help protect the downstream gas path and optical components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDrying Tube: Removes water vapor from the combustion gas, helping prevent infrared signal drift or saturation during measurement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTogether, these stages help condition the gas stream and support consistent results from one sample to the next.\u003c\/p\u003e\n\u003ch3\u003e4. Post-Furnace Switching and Purge Functions\u003c\/h3\u003e\n\u003cp\u003eControlled gas routing after the furnace manages the transition from combustion to measurement and supports rapid system reset between analyses.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePost-Furnace Valve: Controls gas routing into the measurement stage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlushing Valve (Emptying): Purges and resets the analytical gas path between tests, helping prepare the system for the next sample.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCarrier Gas Purification: An additional purification stage can further condition the gas stream before infrared measurement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e5. Flow Control and Infrared Detection\u003c\/h3\u003e\n\u003cp\u003eThe Flow Control system maintains consistent gas movement through the measurement chamber. Stable gas flow is important for repeatable infrared absorption measurements because changes in gas volume and flow conditions can affect the measured signal.\u003c\/p\u003e\n\u003cp\u003eThe measurement chamber contains multiple infrared detection channels:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLC \/ HC: Low- and high-range carbon channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLS \/ HS: Low- and high-range sulfur channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis multi-channel configuration provides a broad analytical range. Low-range channels can be used for trace concentrations, while high-range channels support samples with higher carbon or sulfur concentrations.\u003c\/p\u003e\n\u003ch3\u003e6. Purification, Catalytic Conversion, and Exhaust\u003c\/h3\u003e\n\u003cp\u003eBefore the processed gas exits the analyzer, additional treatment stages help prepare the gas for discharge.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePurification Tube: Further conditions the gas stream and helps protect downstream components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCatalytic Furnace: Converts gases as required for accurate carbon measurement and supports cleaner gas handling before exhaust.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDischarging Valve: Controls the final release of processed gas from the instrument.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy the Gas Flow Process Matters\u003c\/h2\u003e\n\u003cp\u003eEach stage of the QualiCSA™ 5 gas path contributes to stable and repeatable carbon and sulfur analysis:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eClean, dry analytical gas: Purification, dust filtration, and moisture removal help support stable low-ppm measurements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConsistent gas flow: Controlled flow conditions help produce repeatable infrared absorption signals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWide analytical range: Dedicated low- and high-range carbon and sulfur channels provide expanded concentration coverage without hardware reconfiguration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEfficient cycle reset: Controlled flushing and gas routing help clear the analytical path and prepare the analyzer for subsequent measurements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCarbon \u0026amp; Sulfur Analyzer (New) – QualiCSA™ 5 Technical Specification\u003c\/h2\u003e\n\u003cp\u003ePerformance and Measurement\u003c\/p\u003e\n\u003ctable class=\"table\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eQualiCSA™ 5\u003c\/th\u003e\n\u003cth\u003eQualiCSA™ 5M\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMethod\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eHigh-frequency combustion + IR detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarbon range (1000 mg sample)\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e0.6 ppm to 6.0% (0.0006–60 mg absolute mass)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSulfur range (1000 mg sample)\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e0.6 ppm to 6.0% (0.0006–60 mg absolute mass)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange expansion\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eBy changing sample weight, range can extend up to 100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eC: 0.3 ppm or RSD ≤ 0.5% \/ S: 0.3 ppm or RSD ≤ 0.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e0.01 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFastest analysis cycle\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e60 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended sample mass\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e0.1 g to 0.5 g (adjust by content)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eFurnace, Gas, and Electrical\u003c\/p\u003e\n\u003ctable class=\"table\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eQualiCSA™ 5\u003c\/th\u003e\n\u003cth\u003eQualiCSA™ 5M\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCombustion furnace\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e13.56 MHz, 2.7 kVA, adjustable power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarrier gas\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eOxygen purity ≥ 99.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower gas\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eNitrogen or other safety gases\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e220 VAC ±10%, 50 ±1 Hz, 16 A (110V is also available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003ePhysical\u003c\/p\u003e\n\u003ctable class=\"table\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eQualiCSA™ 5\u003c\/th\u003e\n\u003cth\u003eQualiCSA™ 5M\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W × D × H)\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e620 × 760 × 800 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e120 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCapability Differences\u003c\/h3\u003e\n\u003ctable class=\"table\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCapability area\u003c\/th\u003e\n\u003cth\u003eQualiCSA™ 5\u003c\/th\u003e\n\u003cth\u003eQualiCSA™ 5M\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended sample focus\u003c\/td\u003e\n\u003ctd\u003eGeneral-purpose inorganic solids, metals, alloys\u003c\/td\u003e\n\u003ctd\u003eGeological\/mineral samples and complex matrices\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMoisture handling emphasis\u003c\/td\u003e\n\u003ctd\u003eSupports direct wet sample introduction via physical dehydration option\u003c\/td\u003e\n\u003ctd\u003eStronger focus on moisture elimination for wet\/powdery mineral-style samples\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDust and contamination burden\u003c\/td\u003e\n\u003ctd\u003eHigh-efficiency dust removal and self-cleaning design\u003c\/td\u003e\n\u003ctd\u003eEnhanced dust removal emphasis for heavy dust loads typical in mineral matrices\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorrosive byproducts tolerance\u003c\/td\u003e\n\u003ctd\u003eCorrosion-resistant gas path design\u003c\/td\u003e\n\u003ctd\u003eCorrosion protection emphasis for harsher matrices and longer continuous runs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical use environment\u003c\/td\u003e\n\u003ctd\u003eMetallurgical QC + mixed lab applications\u003c\/td\u003e\n\u003ctd\u003eMining, geology, mineral labs, and high-load production testing environments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Qualitest USA LC","offers":[{"title":"Default Title","offer_id":52989515792695,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/carbon-sulfur-analyzer-new106488.webp?v=1789470879"},{"product_id":"carbon-sulfur-analyzer-qualicsa-3","title":"Carbon \u0026 Sulfur Analyzer – QualiCSA™ 3","description":"\u003ch2\u003eCarbon \u0026amp; Sulfur Analyzer – QualiCSA™ 3\u003c\/h2\u003e\n\u003ch3\u003eAvailable Carbon \u0026amp; Sulfur Analyzer Models\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-Frequency Infrared Carbon \u0026amp; Sulfur Analyzer – QualiCSA™ 3\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDual Combustion Furnace Infrared Carbon \u0026amp; Sulfur Analyzer – QualiCSA™ 3G\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCarbon \u0026amp; Sulfur Analyzer – QualiCSA™ 3 Applications\u003c\/h2\u003e\n\u003ch3\u003eHigh-Frequency Infrared Carbon \u0026amp; Sulfur Analyzer – QualiCSA™ 3\u003c\/h3\u003e\n\u003cp\u003eThe QualiCSA™ 3 Carbon \u0026amp; Sulfur Analyzer is designed for rapid carbon and sulfur analysis using high-frequency induction heating, infrared detection, advanced combustion technology, and full-range detection capabilities. The system provides simultaneous measurement of carbon and sulfur concentrations in a broad range of solid materials.\u003c\/p\u003e\n\u003cp\u003eThe QualiCSA™ 3 is suitable for laboratories and testing applications across steel, powder metallurgy, non-ferrous metals, magnetic materials, new energy materials, third-party testing, research institutes, and other industrial sectors. It can analyze carbon and sulfur in steel and alloys, non-ferrous metals, powder metallurgy materials, rare earth materials, NdFeB, ores, and other solid samples.\u003c\/p\u003e\n\u003cp\u003eA stable, high-efficiency high-frequency power system supports complete sample combustion for reliable analysis. The analyzer also incorporates effective shielding against high-frequency interference to support consistent analytical performance and measurement stability.\u003c\/p\u003e\n\u003ch3\u003eDual Combustion Furnace Infrared Carbon \u0026amp; Sulfur Analyzer – QualiCSA™ 3G\u003c\/h3\u003e\n\u003cp\u003eThe QualiCSA™ 3G Dual Combustion Furnace Infrared Carbon \u0026amp; Sulfur Analyzer combines high-frequency induction heating and tubular resistance furnace technology to accommodate a wider range of sample types and analytical requirements.\u003c\/p\u003e\n\u003cp\u003eThe instrument features two sample pretreatment and combustion systems: a high-frequency induction furnace and a tubular resistance furnace. Both furnace systems use the same infrared detection system to measure the carbon- and sulfur-containing gases generated during combustion. Switching between the two furnace systems is straightforward, allowing the analyzer to support different testing methods and sample characteristics.\u003c\/p\u003e\n\u003cp\u003eThe QualiCSA™ 3G is suitable for carbon and sulfur analysis across a diverse range of solid materials, including steel, cast iron, alloys, metal ores, ceramics, cement, lime, rubber, coal, coke, refractory materials, carbide, graphite, oil, catalysts, soil, and other materials.\u003c\/p\u003e\n\u003cp\u003eWith dual furnace capabilities and a shared infrared detection platform, the QualiCSA™ 3G Carbon \u0026amp; Sulfur Analyzer provides a flexible solution for laboratories requiring carbon and sulfur analysis across varied sample types and testing applications.\u003c\/p\u003e\n\u003ch2\u003eFeatures of the High-Frequency Infrared Carbon \u0026amp; Sulfur Analyzer – QualiCSA™ 3\u003c\/h2\u003e\n\u003ch3\u003eModular Instrument Configuration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eInfrared Detection Unit: Supports up to four independent infrared detection channels, with a high-sulfur channel available according to application requirements. The system uses pyroelectric solid-state infrared detectors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMotor: A synchronous motor supports continuous analyzer operation with dependable performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInfrared Light Source: The infrared source provides stable optical performance and resistance to oxidation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTemperature Control: The IR cell temperature is continuously maintained at a stable level to support measurement accuracy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCopper Oxide Catalysis Furnace (Optional): Converts trace CO to CO₂ for complete carbon detection. It also converts SO₂ to SO₃, which is absorbed by cotton to help reduce emissions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstrument Self-Check and Gas Management\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eStable Flow Control: High-precision differential-pressure electronic flow control technology provides consistent analysis gas flow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGas-Saving Mode: Oxygen flow automatically stops when an analysis cycle is complete, helping reduce oxygen consumption.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUser-Friendly Analysis Software\u003c\/h3\u003e\n\u003cp\u003eThe QualiCSA™ 3 includes English-language operating software compatible with Windows 10 and Windows 11. The software is designed for straightforward operation and supports free software updates.\u003c\/p\u003e\n\u003ch3\u003eFlexible Sample Weight Input\u003c\/h3\u003e\n\u003cp\u003eThe system provides multiple options for entering or obtaining specimen weight values:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAutomatic weight reading\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eManual weight reading\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eManual weight entry\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAutomatic crucible tare\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAutomatic Range Switching\u003c\/h3\u003e\n\u003cp\u003eThe analyzer automatically switches between high and low carbon and sulfur measurement ranges according to the concentration detected.\u003c\/p\u003e\n\u003ch3\u003eAutomatic Flux Blank Deduction\u003c\/h3\u003e\n\u003cp\u003eThe software automatically deducts the flux blank value during analysis to support accurate measurement results.\u003c\/p\u003e\n\u003ch3\u003eComprehensive Data and System Display\u003c\/h3\u003e\n\u003cp\u003eThe software provides access to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRelease curve comparison and storage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAnalytical result statistics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuick data searches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintenance reminders\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMonitoring of key instrument parameters\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Diagnostic Checks\u003c\/h3\u003e\n\u003cp\u003eSolenoid Valve Check:\u003cbr\u003eDisplays the operating status of individual solenoid valves and allows each valve to be operated independently.\u003c\/p\u003e\n\u003cp\u003eSignal Acquisition Check:\u003cbr\u003eMonitors the acquisition signals throughout the analyzer system.\u003c\/p\u003e\n\u003cp\u003eHigh-Frequency Status Check:\u003cbr\u003eProvides high-frequency furnace preheating countdown information.\u003c\/p\u003e\n\u003cp\u003eBaseline Check:\u003cbr\u003eProvides real-time monitoring of the baseline for each infrared detection channel.\u003c\/p\u003e\n\u003cp\u003eAutomatic Zero Check:\u003cbr\u003eSoftware-controlled automatic baseline zeroing helps maintain stable detection conditions.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFeatures of the Dual Combustion Furnace Infrared Carbon \u0026amp; Sulfur Analyzer – QualiCSA™ 3G\u003c\/h2\u003e\n\u003cp\u003eThe QualiCSA™ 3G Dual Combustion Furnace Infrared Carbon \u0026amp; Sulfur Analyzer combines high-frequency induction combustion and tubular resistance furnace technology with infrared gas detection for carbon and sulfur analysis across a broad range of solid materials.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eGermany-produced solid-state infrared detector components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlexible heating power control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFull manual operating mode\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdvanced infrared thermostatic technology\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-precision gas flow control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDedicated computer operating software\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdvanced linear signal processing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh analytical precision\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReliable electronic circuit components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eComprehensive self-diagnostic functions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMultiple circuit protection systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFully enclosed gas channel design with zero dead volume\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInfrared absorption following high-frequency combustion or tubular furnace combustion enables rapid analysis of carbon and sulfur concentrations in solid inorganic materials.\u003c\/p\u003e\n\u003ch3\u003eSoftware Functions\u003c\/h3\u003e\n\u003cp\u003eThe QualiCSA™ 3G software provides comprehensive instrument control and data management functions, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMonitoring solenoid valve movement throughout the gas channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDetection and adjustment of infrared signals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRapid display of analytical results and release curves\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAutomatic storage of analytical results\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGeneration and storage of dynamic release curves\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAutomatic specimen weight reading\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eManual specimen weight entry when required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAutomatic switching between high-carbon, low-carbon, and sulfur detection channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eData Processing and Analysis\u003c\/h3\u003e\n\u003cp\u003eThe software supports multiple approaches for reviewing and processing analytical data:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eData retrieval by date or specimen ID\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eData screening and filtering\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStatistical processing, including mean, standard deviation, and relative deviation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eComparison of analytical signals with stored release curves\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHigh-Precision Flow Control\u003c\/h3\u003e\n\u003cp\u003eThe analyzer uses high-precision electronic flow control technology with an Anti-Overshoot System to provide precise control of the analysis gas flow during measurement.\u003c\/p\u003e\n\u003ch3\u003eCatalytic Oxidation in the Copper Furnace\u003c\/h3\u003e\n\u003cp\u003eBefore entering the carbon detection cell, the analysis gas passes through the copper furnace for catalytic oxidation. This process converts CO into CO₂, supporting detection of the carbon-containing gases generated during combustion.\u003c\/p\u003e\n\u003cp\u003eThe copper furnace also converts analyzed SO₂ into SO₃, which is subsequently absorbed to help reduce air emissions.\u003c\/p\u003e\n\u003ch3\u003eAutomatic Dust Filtration\u003c\/h3\u003e\n\u003cp\u003eA specialized dust filter made from powder metallurgy materials removes particulate matter from the analysis gas. The filter is automatically cleaned twice during each analysis cycle.\u003c\/p\u003e\n\u003ch3\u003eAutomatic Self-Check and Diagnostics\u003c\/h3\u003e\n\u003cp\u003eThe QualiCSA™ 3G provides comprehensive self-checking functions to monitor key operating conditions, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eOverall oxygen pressure at the furnace inlet\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAnalysis pressure at the rear of the furnace\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDynamic gas pressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-frequency furnace on\/off status\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCleaning device reset status within the high-frequency furnace\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInfrared signal monitoring and adjustment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSolenoid valve movement throughout the gas channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe software provides step-by-step diagnostic functions, allowing individual components and systems to be checked as needed.\u003c\/p\u003e\n\u003ch3\u003eElectronic Specimen Weighing\u003c\/h3\u003e\n\u003cp\u003eAn electronic balance can be connected directly to the computer for accurate specimen weighing. The measured weight is automatically transferred to the analysis software. Manual specimen weight entry is also available when required.\u003c\/p\u003e\n\u003ch3\u003eTypical Analysis Time\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-frequency induction furnace: 40–60 seconds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTubular resistance furnace: 150–300 seconds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCrucible and Combustion Vessel\u003c\/h3\u003e\n\u003cp\u003eHigh-Frequency Induction Furnace:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCeramic crucible\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDiameter: 25 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeight: 27 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTubular Resistance Furnace:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePorcelain combustion boat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLength: 87 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWidth: 12 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeight: 10 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCombustion Furnace Specifications\u003c\/h3\u003e\n\u003cp\u003eHigh-Frequency Induction Furnace:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFrequency: 18 MHz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaximum power: 2.7 kVA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTubular Resistance Furnace:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMaximum temperature: 1550°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaximum power: 4.4 kW\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCarborundum heating elements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eControlled heating power to support extended element life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFurnace case reaches operating temperature in approximately 20 minutes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCrucible Pre-Treatment\u003c\/h3\u003e\n\u003cp\u003eThe ceramic crucible used with the high-frequency induction furnace can be pre-treated in the tubular resistance furnace. This dual-purpose configuration improves workflow efficiency while supporting consistent and reliable carbon and sulfur analysis.\u003c\/p\u003e\n\u003ch2\u003eTheory and Method\u003c\/h2\u003e\n\u003ch3\u003eInstrument Principle – QualiCSA™ 3G Dual Combustion Furnace Infrared Carbon \u0026amp; Sulfur Analyzer\u003c\/h3\u003e\n\u003cp\u003eThe QualiCSA™ 3G Dual Combustion Furnace Infrared Carbon \u0026amp; Sulfur Analyzer uses infrared absorption analysis following high-temperature combustion. Depending on the specimen and testing requirements, users can select either the tubular resistance furnace or high-frequency induction furnace as the specimen treatment and combustion unit.\u003c\/p\u003e\n\u003cp\u003eAfter gas purification, oxygen is introduced into the selected combustion furnace as the carrier gas. The specimen undergoes high-temperature oxidation, generating CO₂, CO, and SO₂. The combustion gases then pass through dust removal and dehydration stages before entering the sulfur detection system.\u003c\/p\u003e\n\u003cp\u003eThe oxygen and resulting gas mixture subsequently pass through a heated catalytic furnace. During catalytic oxidation, CO is converted to CO₂, while SO₂ is converted to SO₃. After sulfur removal, the gas mixture is directed sequentially through the high-carbon detection cell and low-carbon detection cell for carbon measurement.\u003c\/p\u003e\n\u003cp\u003eAfter the detection process is complete, the remaining gas is discharged from the analyzer.\u003c\/p\u003e\n\u003cp\u003eThe measured carbon and sulfur concentrations are displayed by the analysis software as % C and % S. Analytical results are automatically stored in the system database for convenient future retrieval.\u003c\/p\u003e\n\u003cp\u003eThe software can also generate customized analysis reports when required. Reports can be printed through an external printer, supporting laboratory documentation and record keeping.\u003c\/p\u003e\n\u003cp\u003eWith its dual combustion furnace configuration, infrared detection technology, automated data processing, and straightforward operation, the QualiCSA™ 3G Carbon \u0026amp; Sulfur Analyzer provides rapid carbon and sulfur analysis for a wide range of solid materials while simplifying routine operation and maintenance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eHigh-Frequency Infrared Carbon \u0026amp; Sulfur Analyzer – QualiCSA™ 3\u003c\/h2\u003e\n\u003ch3\u003eFlexible Analytical Parameter Settings\u003c\/h3\u003e\n\u003cp\u003eThe QualiCSA™ 3 High-Frequency Infrared Carbon \u0026amp; Sulfur Analyzer allows analytical parameters to be adjusted according to the characteristics and requirements of different specimens.\u003c\/p\u003e\n\u003ch4\u003eCalibration Methods and Parameters\u003c\/h4\u003e\n\u003cp\u003eCalibration methods and analytical parameters can be established and stored separately for different specimen types. The software supports an unlimited number of analytical methods, allowing laboratories to configure testing procedures for a wide range of materials.\u003c\/p\u003e\n\u003ch3\u003eAdvanced Data Management\u003c\/h3\u003e\n\u003cp\u003eThe QualiCSA™ 3 includes comprehensive data management functions designed to simplify analytical record keeping, data retrieval, reporting, and laboratory connectivity.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDatabase Storage: Analytical results are stored in a database for flexible data searches and statistical analysis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCustomizable Printing: Report and printing columns can be configured according to specific user requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExcel Data Export: Current analytical data can be exported directly to Excel from the analysis interface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLIMS Connectivity: Network-based data transmission supports integration with a Laboratory Information Management System (LIMS) for streamlined laboratory data management.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/carbon-sulfur-analyzer-7-1900431.webp?v=1789471641\" alt=\"Carbon \u0026amp; Sulfur Analyzer\"\u003e\u003c\/p\u003e\n\u003ch3\u003eAutomatic Cleaning of the High-Frequency Furnace\u003c\/h3\u003e\n\u003cp\u003eThe QualiCSA™ 3 High-Frequency Infrared Carbon \u0026amp; Sulfur Analyzer features an integrated metal dust filtration system designed for convenient cleaning and efficient furnace operation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTool-Free Dust Filter Cleaning: The dedicated metal dust filter can be removed and cleaned without specialized tools, simplifying routine maintenance and reducing cleaning time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAutomatic Combustion Chamber Cleaning: The combustion chamber is automatically cleaned twice during the analysis process, with dust removed after each analysis cycle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAutomatic Filter Back-Blow: The dust filter is automatically back-blown to reduce dust accumulation and maintain effective filtration and adsorption performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReduced Maintenance: Automated dust removal helps maintain stable combustion conditions and supports consistent carbon and sulfur analysis over repeated testing cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/carbon-sulfur-analyzer-8-1470395.webp?v=1789471676\" alt=\"Carbon \u0026amp; Sulfur Analyzer\"\u003e\u003c\/p\u003e\n\u003ch3\u003eInfrared Detection Unit\u003c\/h3\u003e\n\u003cp\u003eThe QualiCSA™ 3 High-Frequency Infrared Carbon \u0026amp; Sulfur Analyzer features a non-dispersive infrared detection system with highly sensitive pyroelectric solid-state infrared detectors for carbon and sulfur analysis. The computer automatically calibrates the infrared cell zero point to support stable and accurate measurement.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eNon-Dispersive Infrared Detection: High-sensitivity pyroelectric solid-state detectors provide reliable infrared signal measurement for carbon and sulfur analysis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAutomatic Zero Calibration: The software automatically calibrates the infrared cell zero point, helping maintain stable baseline conditions during analysis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThree Independent Infrared Channels: The standard QualiCSA™ 3 configuration includes three independent infrared detection channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExpandable Detection Capacity: The system can be expanded to four independent infrared channels based on application requirements, supporting full-range carbon and sulfur detection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/carbon-sulfur-analyzer-9-1952953.webp?v=1789471697\" alt=\"Carbon \u0026amp; Sulfur Analyzer\"\u003e\u003c\/p\u003e\n\u003ch3\u003eAutomatic Switching Between High and Low Ranges\u003c\/h3\u003e\n\u003cp\u003eThe CS3500 Carbon \u0026amp; Sulfur Analyzer features advanced electronic flow control technology designed for rapid response and stable analysis gas flow. High-precision electronic flow regulation continuously supports controlled gas flow conditions, helping maintain measurement consistency and analytical accuracy.\u003c\/p\u003e\n\u003cp\u003eThe system's responsive flow control contributes to reliable switching and measurement across high and low detection ranges, supporting precise carbon and sulfur analysis across different concentration levels.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/carbon-sulfur-analyzer-10-896836.webp?v=1789471720\" alt=\"Carbon \u0026amp; Sulfur Analyzer\"\u003e\u003c\/p\u003e\n\u003ch3\u003eCarbon Sulfur Analyzer - QualiCSA™ 3 Working principle:\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/carbon-sulfur-analyzer-11-189123.webp?v=1789471741\" alt=\"Carbon \u0026amp; Sulfur Analyzer\"\u003e\u003c\/p\u003e\n\u003ch2\u003eStructure of the Dual Combustion Furnace Infrared Carbon \u0026amp; Sulfur Analyzer – QualiCSA™ 3G\u003c\/h2\u003e\n\u003cp\u003eThe QualiCSA™ 3G Dual Combustion Furnace Infrared Carbon \u0026amp; Sulfur Analyzer features a modular instrument design that integrates the major components required for carbon and sulfur analysis. The system configuration includes an electronic balance, computer, printer, high-frequency induction combustion unit, tubular resistance furnace unit, vacuum cleaner, and other supporting modules.\u003c\/p\u003e\n\u003cp\u003eThis modular configuration provides a practical setup for laboratories performing carbon and sulfur analysis across different solid sample types.\u003c\/p\u003e\n\u003ch3\u003eInfrared Detection System\u003c\/h3\u003e\n\u003cp\u003eThe QualiCSA™ 3G uses an infrared absorption detection system designed to provide flexible carbon and sulfur measurement according to application requirements.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eThree-Channel Standard Configuration: The standard configuration includes three independent infrared absorption cells, providing three physical detection channels: two carbon channels and one sulfur channel.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFour-Channel Configuration: Based on application requirements, the QualiCSA™ 3G can be configured with four independent infrared absorption cells, providing two carbon channels and two sulfur channels for expanded detection capability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePyroelectric Infrared Detector: The analyzer uses a German-produced pyroelectric solid-state infrared detector for sensitive infrared signal detection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSynchronous Motor: A Swiss-produced synchronous motor provides stable operation of the infrared detection system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInfrared Light Source: A stable, oxidation-resistant infrared light source produced in the United States supports consistent optical performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConstant-Temperature Control: The entire infrared detection chamber is thermostatically controlled to maintain a stable analysis temperature, supporting measurement accuracy and detection stability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOxygen Shielding Gas: Oxygen is used to protect and purify the infrared light source and detector by isolating these components from the surrounding atmosphere. This helps improve analytical stability and detection accuracy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Data (tube furnace):\u003c\/h3\u003e\n\u003ctable class=\"table\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth colspan=\"3\"\u003eName of the Specimen and Content of Carbon and Sulfur: C61.46; S4.34\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecimen ID\u003c\/td\u003e\n\u003ctd\u003eCarbon Mass Fraction\u003c\/td\u003e\n\u003ctd\u003eSulfur Mass Fraction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e61.486\u003c\/td\u003e\n\u003ctd\u003e4.410\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e61.286\u003c\/td\u003e\n\u003ctd\u003e4.385\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e61.506\u003c\/td\u003e\n\u003ctd\u003e4.435\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e61.518\u003c\/td\u003e\n\u003ctd\u003e4.293\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e61.471\u003c\/td\u003e\n\u003ctd\u003e4.354\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSoftware Interface:\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/carbon-sulfur-analyzer-12-416559.webp?v=1789471781\" alt=\"Carbon \u0026amp; Sulfur Analyzer\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003eMain analysis Window\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/carbon-sulfur-analyzer-13-480703.webp?v=1789471803\" alt=\"Carbon \u0026amp; Sulfur Analyzer\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003eMethod window\u003c\/p\u003e\n\u003ch2\u003eCarbon \u0026amp; Sulfur Analyzer – QualiCSA™ 3 Technical Specification\u003c\/h2\u003e\n\u003cp\u003eCarbon Sulfur Analyzer QualiCSA™ 3 and QualiCSA™ 3G Technical Specifications:\u003c\/p\u003e\n\u003ctable class=\"table\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eQualiCSA™ 3\u003c\/th\u003e\n\u003cth\u003eQualiCSA™ 3G\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalysis Range\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eHigh-frequency induction furnace (500mg sample):\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLC: 1ppm~0.1%\u003c\/li\u003e\n\u003cli\u003eHC: 0.1%~5%\u003c\/li\u003e\n\u003cli\u003eLS: 1ppm~0.3%\u003c\/li\u003e\n\u003cli\u003eHS (150mg sample): 0.3%~30%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Changing the sample size can extend the analysis range up to 100% High sulfur absorption pools channel can be customized according to customer needs\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eHigh Frequency Induction Furnace(500mg Sample):\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLC: 1ppm - 0.1%\u003c\/li\u003e\n\u003cli\u003eHC: 0.1%～5%\u003c\/li\u003e\n\u003cli\u003eLS: 1ppm - 0.3%\u003c\/li\u003e\n\u003cli\u003eHS (150mg Sample): 0.3%～ 30%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTubular Resistance Furnace(500mg Sample):\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eC: 0.01% ~20%\u003c\/li\u003e\n\u003cli\u003eS: 0.005% ~20%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: The measurement range can be changed by changing the measurement quantity.\u003c\/p\u003e\n\u003cp\u003eThe number of detection cells and sizes can be determined in accordance with the content of carbon and sulfur in specimens of users\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalysis Accuracy\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eHigh-frequency induction furnace:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLC: 1ppm or RSD ≤ 1%\u003c\/li\u003e\n\u003cli\u003eHC: RSD ≤ 0.5%\u003c\/li\u003e\n\u003cli\u003eLS: 1.5ppm or RSD ≤ 1.5%\u003c\/li\u003e\n\u003cli\u003eHS: RSD ≤ 1.5%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eHigh-Frequency Induction Furnace:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLC: 1ppm or RSD≤1%\u003c\/li\u003e\n\u003cli\u003eHC: RSD≤0.5%\u003c\/li\u003e\n\u003cli\u003eLS: 1.5ppm or RSD≤1.5%\u003c\/li\u003e\n\u003cli\u003eHS: RSD≤1.5%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTubular Resistance Furnace:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLC: RSD≤1%\u003c\/li\u003e\n\u003cli\u003eHC: RSD≤0.5%\u003c\/li\u003e\n\u003cli\u003eLS: RSD≤1.5%\u003c\/li\u003e\n\u003cli\u003eHS: RSD≤1.5%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e0.01ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalysis Time\u003c\/td\u003e\n\u003ctd\u003e40 ~ 60 seconds\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eHigh-Frequency Induction Furnace:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e40-60 seconds Tubular Resistance Furnace:\u003c\/li\u003e\n\u003cli\u003e150-300 seconds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSample Quality\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eRecommended sample weight:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.1g to 0.5g, can be adjusted based on carbon and sulfur content\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eHigh-Frequency Induction Furnace:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.1g-0.5g Tubular Resistance Furnace:\u003c\/li\u003e\n\u003cli\u003e300mg\/coal(typical value)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCombustion Furnace\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eHigh-frequency induction furnace:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e18MHz, 2.7KVA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eHigh-Frequency Induction Furnace:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e18MHz 2.7KVA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTubular Resistance Furnace:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMax.20A,Max.1550 ℃, the temperature can be adjusted continuously\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDust cleaning\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eThe dust in the combustion tube of the high frequency induction furnace is wiped off automatically\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetector\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eSolid-state pyroelectric detector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarrier Gas\u003c\/td\u003e\n\u003ctd\u003eOxygen purity: ≥ 99.5%; 0.2-0.4Mpa\u003c\/td\u003e\n\u003ctd\u003eOxygen 99.5%, 3L\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Gas\u003c\/td\u003e\n\u003ctd\u003eNitrogen (industrial grade)\u003c\/td\u003e\n\u003ctd\u003eNitrogen or Compressed Air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003ePower Supply of the Analyzer:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e220VAC±10% 50±1Hz 16A (110V is also available)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003ePower Supply of the Analyzer:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e220VAC ±10%,50±1Hz,16A (110V is also available)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePower Supply of the Resistance Furnace:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e220VAC ±10%, 50±1Hz, 20A (110V is also available)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApproximately 100kg\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eHigh-Frequency Induction Furnace: \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e100kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTubular Resistance Furnace: \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e30k\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (width × depth × height)\u003c\/td\u003e\n\u003ctd\u003e55 × 76 × 77 cm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eThe Analyzer:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e55 x 77 x 76 (cm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eResistance Furnace:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e33× 52 × 60 (cm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eResolution of the Electronic Balance:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.1mg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical Reagent\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eMagnesium perchlorate, CO2 absorbent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Qualitest USA LC","offers":[{"title":"Default Title","offer_id":52989524672823,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/files\/carbon-sulfur-analyzer1588244298.webp?v=1789471878"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1859\/1543\/collections\/carbon-sulfur-analyzer1476301800.webp?v=1789470238","url":"https:\/\/qualitest.us\/collections\/carbon-and-sulfur-analyzer.oembed","provider":"Qualitest USA LC","version":"1.0","type":"link"}