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SDIS401 Infrared Sulfur Analyzer


Sundy SDIS401 Infrared Sulfur Analyzer can be used to determine the sulfur content in coal, coke, ash, biomass fuels and other combustibles in fields of power plants, coal mines, paper plants, metallurgy, petrochemical, steel factory etc.

Test reliable, cost-effective.
Sundy Sundy

Product description


High precision.

①Unique designed high temperature combustion tube with secondary combustion function, make sure the samples combust thoroughly.

②Adopted high sensitivity and low drift infrared cell,the measurement result is stable and reliable.

③Top quality ultra low drift infrared cell to ensure stability, precision and accuracy.

④Unique gas tightness.

Intelligent control.

①Easy-to-use Windows-based software,It only needs to click the mouse after weighing and placing the samples.

②Easy data handling, real time data can be transmitted by internal network.

③With Ethernet bus communication technology, one PC controls several analyzers.

④Capable of connecting with network and balance by RS232 interface.


Description SDIS401
Test Method Infrared Absorption
Sulfur Determination Range 0.01% – 50%(can be extended to 100%)
Standards ISO 29541,ISO 609,ISO 19579 ASTM D1552, ASTM D3177, ASTM D4239, ASTM D5016, ASTM D5373,GB/T 25214, GB/T 28732, AS 1038.6.3.3, BS 1016
Sulfur Resolution 0.001%
Analysis Time/sample < 2 min
Preheating Time ≤120min
Sample Loading 1
Sample Weight 80 – 500mg(100mg Recommended)
Furnace Temp 1250℃ – 1350℃
Heating Elements Silicon Carbide
Temp. Control Precision ±1℃
Temperature Sensor Thermocouple
Power Requirement AC 220V(-15% ~ 10%)50/60Hz
Max. Power 4kW
Gas Requirement 99.5% purity oxygen≥1MPa
Gas pressure Oxygen(0.28±0.01)MPa  Total Air Flow≥1MPa
Sample Introduction and Discarding Manual
Gas Flow Checking Rotor flow meter adopted Gas flow by visual check
Chemical Reagents Dehydrite
Humidity ≤85%
Ambient Temperature (15~30)℃
Operational Control Windows®-based software on external PC
Operation Cost Oxygen consumption lowered by intelligent gas supplying system.Desiccant: Dehydrite which is of higher cost
Advance Calculation Yes
Analysis Report Yes
Statistics Report Yes
System Monitor Yes

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