744 Series Carbon and Sulfur in Inorganic Materials by the Combustion Infrared Detection Technique


Cornerstone Mobile

Option provides access to data, plots, and instrument status from your smart phone, tablet, or desktop computer

Automated Sample Loader

Optional sample loader provide unattended operation


LECO’s CS744 Series will redefine the way you determine carbon and sulfur in metals, ores and other inorganic materials. Using extensive customer feedback and innovative engineering, our latest instrumentation takes advantage of an immersive software platform that will increase usability and lower the cost-per-analysis.

Additional features—such as a variable power combustion furnace, improved IR cell design, rugged design, and available automation—make the CS744 a valuable resource for any industrial environment needing accurate analysis of carbon and/or sulfur.

LECO’s exclusive Cornerstone software enables the user to have complete access to analysis control, method settings, diagnostics, reporting and more in a highly-organized and immersive environment. Designed through a collaboration of customer feedback and innovative engineering, Cornerstone allows the user to conduct all of their day-to-day operations within a single Analysis screen designed for speed and ease of use. Our innovative grouping of sample data simplifies data output and automatically calculates relevant statistics, alleviating the need for additional data processing.


  • Fast analysis in less than a minute
  • LECO High-Efficiency Combustion Furnace is perfectly suited for all applications
  • State-of-the art IR detection Cell Design for ultimate precision and stability of results
  • Modern Cornerstone software : easy of use with reach functionalities
  • Touch Driven Graphical User Interface
  • Well engineered ergonomics and convenience of use
  • Reliable Automation available for increased workload


The 744 Series system is designed for wide-range measurement of carbon / sulfur content of metals, ores, ceramics, and other inorganic materials.

The instrument operation complies with recognized standard test method of High Temperature Combustion, like ASTM E1019 and its international analogs.

744 Series Features:


High Frequency Combustion Furnace

  • High efficiency combustion
  • High velocity vacuum cleaner
  • Reduced leak points
  • Electronic carrier flow monitor
  • Reduced maintenance down-time


Improved IR Cell Design

  • Thermostatic construction provides increased protection from ambient temperature fluctuations
  • Solid-state infrared detection for both carbon and sulfur with no moving parts
  • Long-life emitter drive and drift-free detection circuitry improve long-term stability


Convenience and automation

  • Custom software designed specifically for touch operation
  • High-velocity vacuum system keeps dust and debris contained
  • Optional 10-and 60-sample autoloaders available for hours of worry-free operation


LECO instrumenti mogu se koristiti za najrazličitije aplikacije, a ispod su date najpopularnije. Za više detalja kontaktirajte naše specijaliste za prodaju i aplikacije.

CS744 Carbon and Sulfur Determination in High Carbon Ferroalloys

CS Determination in Ferroalloys is shown in this application note.Saznajte više…

CS744 – Uređaj za određivanje Ugljenika I Sumpora u Ferolegurama sa niskim sadržajem Ugljenika

Ferolegure su legure gvožđa sa visokim sadržajem jednog ili više hemijskih elemenata.Saznajte više…


This method describes the Carbon/Sulfur analysis of soda lime glass with a high frequency furnaceSaznajte više…


This application note describes the Sulfur analysis of Battery Paste, Lead Oxide and Lead SulfateSaznajte više…

Određivanje ugljenika i sumpora u krečnjaku/dolomitu

Određivanje ugljenika i sumpora u CaCO3/dolomitu/krečnjakuSaznajte više…

Novo! – Određivanje sadržaja Ugljenika u nitridima sa LECO C744

Određivanje sadržaja ugljenika u nitridima sa LECO 744 serijom analizatora je brza i direktna mera čistoće nitrida. Saznajte više…

Sumpor u koncentratu rude

U ovoj aplikaciji prikazana su podešavanja i koraci koji se primenjuju za određivanje nivoa sumpora u koncentratima rude na CS/S744 analizatorima.Saznajte više…

Ugljenik i sumpor u kreču

Kreč je uobičajeni naziv za materijale proizvedene od različitih formi kreča - negašenog i gašenog kreča - i ne odnosi se na krečnjak, sirovinu za dobijanje kreča. is a common classification of materials representing the manufactured forms of lime, quicklime and hydrated lime. Ref: 203-821-476Saznajte više…

Ugljenik u praškovima za kalupe

U ovoj aplikaciji navedeni su sistemski parametri i opisani su koraci za podešavanje LECO CS/C744 elementalnog analizatora u svrhu određivanja količine ugljenika u prašku za kalupe. Ref: 203-821-474Saznajte više…

Analiza vatrostalnih i reaktivnih metala primenom C744

Određivanje ugljenika u vatrostalnim i reaktivnim metalima primenom LECO C744. Ref: 203-821-471Saznajte više…

Metal-Bearing Ores

Carbon and Sulfur in Metal-Bearing Ores and Related Materials by LECO CS744. Ref: 203-821-465Saznajte više…

Nickel-Base, Cobalt-Base Alloys

Carbon and Sulfur in Iron, Steel, Nickel-Base, and Cobalt-Base Alloys by LECO CS744. Ref: 203-821-457Saznajte više…

Copper and Copper Alloys

Sulfur in Copper Base MaterialsSaznajte više…

Dostupne opcije i modeli


Za ovaj proizvod dostupne su razne opcije. Kontaktirajte naše specijaliste za prodaju i aplikacije kako biste za svoju aplikaciju odabrali odgovarajuću konfiguraciju.

10 Position Shuttle Loader

LECO Shuttle10 is designed to automate the sequential or non-sequential processing of up to 10 preweighed samples

60 Position Shuttle Loader

The system consists of an expandable carousel stack featuring six stackable carousels that hold ten samples each

Auto Cleaner

Upgrades the manual cleaner to the automatic versions, reducing downtime and increasing safety


Svaki instrument može se konfigurisati prema individualnim potrebama Vaše laboratorije. Kontaktirajte naše specijaliste za prodaju i aplikacije kako biste za svoju aplikaciju odabrali odgovarajuću konfiguraciju.


Simultaneous carbon/sulfur determination


For accurate carbon-only determination


For accurate sulfur-only determination