CS-800 / CS-2000
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Carbon / Sulfur Analyzers CS-800 | CS-2000 ELTRA Dual Furnace y Technolog CS-2000

Specialists for Elemental Analysis For more than 30 years ELTRA has been one of the leading manufacturers of elemental analyzers. Starting with combustion analyzers for carbon and sulfur determination ELTRA has extended its product range over the years with analyzers for oxygen, nitrogen and hydrogen as well as thermogravimetric analyzers. ELTRA instruments are used in industries such as steel, mining, construction materials, automotive and aviation, and in universities for Research & Development. ELTRA is synonymous for high quality, customer-oriented solutions and efficient products....

ELTRA Carbon  Sulfur Analysis /  The determination of the carbon and sulfur content in solids is a routine application in laboratories and production. Depending on the sample material, different analyzers are used. Organic samples are usually characterized by a high carbon content (60 – 100  %) and combustibility (e. g. coal, coke, wood). The complete release of carbon and sulfur takes place °C at temperatures of approx. 1,300  (or less). For this purpose analyzers with a resistance furnace are most suitable. Inorganic sample materials, however, have a considerably lower carbon content...

Carbon / Sulfur Analyzer CS–800 s! nic sample For inorga Carbon Induction furnace The perfect analyzer for inorganic sample materials The CS-800 is ideally suited for the simultaneous determination Benefits ■ Up to four independent infrared cells with flexible measuring ranges ■ Precise and quick measurement ■ Automatic furnace cleaning ■ Powerful (2.2 KW) induction furnace for temperatures above 2,000  °C of carbon and sulfur in inorganic samples. It provides quick and precise analysis results and can be used for a variety of applications. The CS-800 is equipped with up to four independent...

Operation CS-800 Operating the CS-800 is simple and safe. After weighing the sample in a ceramic crucible, the weight is transferred from the interfaced balance to the PC. If required, sample weights can also be entered manually. Then an accelerator (such as iron or tungsten) is added and, after having placed the crucible on the pedestal, the analysis starts. The analysis time is 40 to 50 seconds. The detector signals and instrument parameters are displayed during analysis. Evaluation of the signals and display of the results are done automatically; the data can be transferred to a...

Carbon / Sulfur Analyzer CS–2000 Induction furnace nic and For inorga mples! organic sa Resistance furnace Reliable elemental analysis of inorganic and organic sample materials The CS-2000 is the only analyzer on the market for the determi- Benefits ■ Full flexibility due to combined induction and resistance furnace nation of carbon and sulfur in organic as well as inorganic samples. For this purpose, the CS-2000 is equipped with both an induction and a resistance furnace (ELTRA Dual Furnace Technology), covering the full range of carbon and sulfur analysis. ■ Analysis of organic and...

ELTRA Dual Furnace y Technolog CS-2000 CS-2000 with optional sample loader for the induction furnace Measuring principle CS-2000 the detection of the sulfur dioxide takes place in infrared cells. The CS-2000 allows for the combination of cells with different sensitivities (high/low) which makes it easily adaptable to the user’s requirements. After oxidation of sulfur dioxide to sulfur trioxide, SO3 gas is removed with cellulose wool. Subsequently the carbon content is determined by infrared cells with customized measuring ranges. The measuring principle of the induction furnace corresponds...

The optimal analyzer equipment: ELTRA accessories For the CS-800 and CS-2000 a wide range of instrument options are available to provide optimum solutions for quality control in the laboratory. For applications with a high sample throughput both models can be equipped with various types of sample loaders and dispensers. For the measurement of element concentrations in the low ppm range ELTRA offers a purification furnace for cleaning the carrier gas and a high-temperature furnace for preheating the ceramic crucibles. The CS-2000 can be additionally equipped with a module for the...

Solutions for low carbon concentrations: Preheating furnace HTF-540 and gas purification for CS-800 and CS-2000 To successfully determine the carbon content in a low ppm range, it is necessary to reduce the blank values of the crucibles. This is achieved by preheating the crucibles in the HTF-540 furnace at approx. 1,350  °C. This process and storage of the crucibles in a desiccator substantially reduce the blank values. An additional option is to clean the incoming oxygen by means of an external purification furnace. Through oxidation and subsequent cleaning traces of hydrocarbon are...

ELTRA's advanced analyzer technology Depending on the sample material, different temperatures are required for correct carbon and sulfur determination which can be achieved by using different furnaces. The CS-800 and the CS-2000 use an induction furnace with temperatures above 2,000  °C, the CS-2000 is additionally equipped with a resistance furnace with adjustable temperatures up to 1,550  °C (EDF Technology). This makes the CS-2000 a highly efficient analyzer, suitable for a wide range of samples. Up to four independent infrared cells The design of the CS-800 | CS-2000 infrared cells is...

CS-800 and CS-2000: Induction furnace for temperatures above 2,000  °C Induction furnace The induction furnace of the CS-800 | CS-2000 is the optimum solution for the determination of carbon and sulfur in inorganic samples (steel, cast iron, metals, ores, carbides, glass, and ceramics). An accelerator (such as tungsten "chips") is added to the sample which is melted in the electromagnetic field in an oxygen stream at temperatures above 2,000  °C. Graphic: Combustion module CS-800 Oxygen inlet Cleaning brush Ceramic heat shield The induction furnace of the CS-800 | CS-2000 is equipped with...