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Product Category:  Elemental Analyzer 
Standard:  ISO29541 Solid mineral fuels
ASTM D5373-02 Standard Test Method
GB/T476-2008 Standard Test method 
Output Properties:  Carbon(%)
Hydrogen(%)
Nitrogen(%) 
Application:  - Determination of total carbon, hydrogen and nitrogen content– Instrumental method
- Standard Test Method for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal and Coke
- Standard Test method for Determination of Carbon and Hydrogen of Coal 

SDCHN435 Carbon Hydrogen & Nitrogen Analyzer

sdchn435_elemental_analyzer.jpg

 

① Self developed ultra-low drift infrared cell (Patent No. ZL200920318535.8) adopts the high-performance infrared light, electronic components, optical glass as well as infrared light receiving device. The drift of infrared cell is greatly reduced (calibrate every 3 hours or even longer time).

② Self developed ultra low temperature drift TCD and thermalstatic diffusion type TCD ensure the stability of TC reference line (SDCHN435 elemental analyzeronly). 

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 High automation and convenient operation

· It can replace the crucible automatically without disassemble or cooling. Just click on the software, then the crucible can be replaced automatically.
· Gas leak check is convenient and fast.
· With separate design of combustion furnace and reagent furnace, the reagent can be easily and safely replaced with the minimal amount of effort..


High level of Test Accuracy

· On relatively stable experimental conditions, calibrating once every three hours can meet the test requirements, China National Coal Quality Testing Center certified.
· 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.


Humaniation Design and Convenient Operation 

① Easy and convenient for gas leakage check, operators only need to click on the software.
② Convenient to replace the Furnace Reagent. With separate design of combustion furnace and reagent furnace, reagent can be easily and safely replaced with the minimal amount of effort.
③ Floor standing design with superior wheels and wheel locking device for all elemental analyzers, it’s convenient to shift the instrument from place to place.
④ Enlarged combustion crucible for elemental analyzercan greatly reduce the frequency of crucible changing.


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Low cost of gases

 

· Oxygen with purity of 99.5% can meet the test requirement.
· With thermostatic gas chamber, the probability of gas leak and consumption of driving gas are lowered. 

 

 

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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Applications and Conformance with Standards

 

· Applications
Sundy Carbon & Hydrogen Analyzer can be used to determine the carbon and hydrogen 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
 

 

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Specifications

 

Method: Carbon & Hydrogen: Infrared Absorption
Nitrogen: Thermal Conductivity Detection
Measuring range: Carbon(0.02%~100%) Hydrogen(0.02%~50%)Nitrogen(0.01%~50%)
Autoloader34 Samples  
Analysis time≤5min/per sample
Sample weight: 75~105mg(100mg recommended)
RepeatabilityCad≤0.5%    Had≤0.15%       Nad ≤ 0.08%
Combustion-supporting gas: Oxygen  Purity: ≥99.5%  Gas Pressure: ≥1MPa
Driving gas: Nitrogen/ Dried Compressed Air       Gas Pressure: ≥1MPa
Carrier gas (SDCHN435 only)Helium        Purity:≥99.99%,  Gas Pressure: ≥1MPa
Power requirement220 V(-15%-10%),50/60Hz         
Max. Power: SDCHN435:4.5kW
SDCH425 /SDH425/SDCH415 /SDH415:3.5Kw
Combustion Crucible replacing: Automatic (SDCHN435, SDCH425, SDH425)
Manual (SDCH415, SDH415)         
 

 

 

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