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Current location:Home >Sulfur Meter Series > Wdl-9000A high precision microcomputer automatic sulfur analyzer (with computer and printer)
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Product Name:Wdl-9000A high precision microcomputer automatic sulfur analyzer (with computer and printer)
Product price:
Shelf time:2019-07-23
  • Features
  • Range
  • Parameter
  • Adopt standard
  • 24 samples can be measured at one time
    1. The vertical integrated structure is adopted to skillfully combine the automatic sample feeding, sample injection mechanism, high temperature cracking furnace, electrolytic cell, agitator, air purification system and other components, so as to make the structure of the instrument more compact, more reasonable and more stable.
    2. The instrument can be connected with an electronic balance, and the automatic weighing can be realized by pressing the key when weighing the sample. With the function of queue jumping and re queuing, the additional samples can be determined in advance. Special flat bottom corundum porcelain boat is used to reduce the possibility of clamping. Automatic temperature rise, temperature control, sample delivery and determination are realized by program control. The results are saved and printed automatically. In addition, samples can be added midway, which greatly improves the work efficiency and truly realizes unattended.
    3. The whole testing process after loading can be unattended, which greatly improves the testing efficiency. The determination process is automatically controlled by program: automatic continuous sample delivery, automatic start and end of test, automatic coulometric titration, automatic data processing and data saving, data printing. In addition, the instrument has networking function, which can realize remote data sharing and remote data report upload function.
    4. Coulometric titration electrolysis current adopts constant current scheme, coulometric integral is realized by software, so as to ensure the titration result. The determination time can be judged automatically according to different coal samples, and each sample is about 5 minutes. The speed is better than that of ESCA gravimetric method and high temperature combustion neutralization method.
    5. The system error can achieve the function of self dynamic multi-point correction directly through the software, and ensure the test precision and accuracy of high, medium and low samples. The test results are better than the national standard, with good repeatability and high accuracy.
    6. The furnace is made of imported new energy-saving materials with good thermal insulation performance, fast heating speed, environmental protection, low-carbon, energy-saving and high efficiency. PID temperature control precision is high, effectively protect the service life of furnace and silicon carbon tube. In addition, the air intake function of the sample is added, so that the sample can be burned quickly and completely, so as to ensure the test accuracy.
    7. The gas path adopts a new patent structure, which is very convenient and practical to replace the silica gel loading and unloading drying tube, and has good air tightness and low failure rate. Imported air pump is used to ensure stable and reliable air supply.
    8. The whole structure of the instrument is designed with the idea of modular components, which is convenient for disassembly and interchangeability. It is very convenient for the installation, debugging, maintenance and subsequent after-sales service of the instrument. Automatic continuous sample delivery mechanism is also a component, which can achieve batch exchange, which is very convenient and completely solves the user's worries.
    9. The system has a special program for fault diagnosis and detection. At work, the real-time monitoring instrument of the various functional components, with fault judgment alarm function. In addition, it also has a powerful debugging menu, which greatly facilitates the on-site installation and debugging of the instrument as well as the diagnosis and elimination of faults. In addition, remote diagnosis and technical support can also be realized through the Internet.
    10. PID (proportional, differential, integral) temperature control algorithm is adopted to control temperature accurately and raise temperature quickly.
    11. The contactless switch is adopted, which has broken couple protection, hardware over temperature protection and electrolyte backflow prevention measures, so it is safe and reliable.
    12. The innovative multi-point dynamic coefficient correction method is adopted to ensure higher accuracy of test results of coal with high, medium and low sulfur content.
    13. Using advanced USB technology and plug and play, the requirement of computer is reduced. A microcomputer can control several sulfur determination instruments or form a comprehensive tester with other instruments, and the experiment can be controlled by one computer.
    14. Electronic balance can be connected to realize remote data sharing.

  • Sulfur meter is the main instrument to measure the sulfur content in coal (microcoulometry is used to determine the sulfur content in petroleum). It is one of the important indexes to evaluate the quality of coal, and it is also one of the main components of air pollution. Therefore, the coal production departments and the departments of chemical fertilizer, power generation, civil use, coking and building materials all attach great importance to the analysis of total sulfur in coal. Sulfur detector is mainly used to determine the total sulfur content in coal, steel and various minerals. It is the preferred necessary instrument for laboratories of coal, electric power, chemical industry, building materials, metallurgy, geological exploration, commodity inspection, environmental protection testing and other departments.


    Standards adopted
    GB / t214-2007 determination of total sulfur in coal
    Jjg1006 --- 2005 verification regulation of total sulfur analyzer in coal
    GB / T 214-2007 determination of total sulfur in coal
    GB / T 483-2007 general provisions for experimental methods of coal analysis
    GB / T 387-1990 dark petroleum products Determination of sulfur content tube furnace method

  • Sulfur measurement range: 0-100%
    Sulfur resolution: 0.001
    Test time: 3-5 minutes (depending on sample type and weight)
    Test temperature: 1150 ℃ (coal), 920 ℃ (oil)
    Temperature control accuracy: ± 3 ℃
    Sample weight: 10-100mg
    Test method: coulometric titration
    Precision: in accordance with GB / t214-2007
    Accuracy: within the allowable error range of the standard sample
    Power supply: 220 V ± 10% 50 Hz < = 3 kW

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