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Sundy Carbon Hydrogen & Nitrogen Analyzer can be used to determine the carbon, hydrogen and nitrogen content in coal, coke and other combustibles.

Conformance with Standards

ISO29541 Solid mineral fuels – Determination of total carbon, hydrogen and nitrogen content– Instrumental method ASTM D5373-02 Standard Test Method for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal and Coke GB/T476-2008 Standard Test method for Determination of Carbon and Hydrogen of Coal 

  • Method: Carbon & Hydrogen: Infrared absorption
            Nitrogen: Thermal conduction
  • Measuring range: Carbon (0.02%~100%) Hydrogen (0.02%~50%) Nitrogen (0.01%~50%)
  • Autoloader: 34 Samples
  • Analysis time: ≤5min/per sample
  • Sample weight: 75~105mg(90mg recommended)
  • Repeatability: Cad≤0.5% Had≤0.15% Nad ≤ 0.08%
  • Gas requirement:
            Combustion-supporting gas : Oxygen Purity: ≥99.5% 
            Driving gas : Nitrogen Purity: ≥99.5%
            Carrier gas:Helium Purity:≥99.99%
  • Power Requirement: 220 V(-15%-10%),50Hz 
  • Gas Requirement: Oxygen (99.5% purity)
  • Max Power: 4.5kW

High Automation

With the 34 place autoloader, this machine delivers high level of automation freeing up the operator for other tasks of importance


Replace The Combustion Crucible Conveniently (Patent No:ZL200710303473.9)

No disassemble or cooling required, replace the combustion crucible conveniently. 
Just click on the software, then the crucible can be replaced automatically.


Replace The Furnace Reagent Conveniently

With separate design of combustion furnace and reagent furnace, the reagent can easily and safely be replaced with the minimal amount of effort.

High level of Test Accuracy

Samples are carried into the combustion chamber by oxygen blow, which enables all the released gases to be captured and thus enables a higher level of test accuracy.

Low Cost Of Gases

Oxygen with purity of 99.5% can meet the test requirement. During the test, He consumption is only 0.7L/min

Ultra-low drift infrared cell and thermal conductivity cell

With high-performance infrared light supply and superior optical glass as well as a gold infrared path and precise thermostatic control, the drift of the infrared cell and TC cell designed by Sundy has been optimized.

Heating Rate

Operational temperature is reached within 2.5 hours cutting start up time down to a minimum. 

Intelligent Control

Easy-to-use Windows-based software
Easy data handling, real time data can be transmitted by internal network. With CAN bus interface, several elemental analyzers can be controlled by a single PC without mutual influence.
It can be connected with balance and network by standard interface RS232.

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