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Kjeldahl analyzer

Infitek Fully Automatic Kjeldahl analyzer, KJA-9870A

Kjeldahl analyzer
 
  • Analytical range: 0.1—240mg N
  • Recovery rate: 99-101%
  • Titrant concentration range: 0.01—5 mol/L

  • Product Info

    • The control system adopts a 10 inch color touch screen to uniformly control the nitrogen analyzer host and refrigeration system, without the need for multiple switch settings, which is convenient, simple, and safe.
    • The standard coolingsystem can save a lot of water resources for users, and is energy-saving, environmentally friendly, and has stable analysis data.
    • Three-level authority management, electronic records, electronic labels, and operation traceability inquiry system
    • The system automatically shuts down after 60 minutes of no operation, which is energy-saving, safe and secure.
    • The instrument has a built-in protein coefficient query table for users to read, query and participate in system calculations. When the coefficient=1, the analysis result is “nitrogen content”. When the coefficient>1, the analysis result is automatically converted to “protein content” and displayed, stored and printed.
    • The titration system uses R, G, and B coaxial light sources and sensors, with a wide color adaptability range and high accuracy.
    • The R, G, and B three-color light intensity automatic adjustment system is suitable for the analysis of samples with different concentrations.
    • The titration speed can be set arbitrarily from 0.05ml/second to 1.0ml/second, and the minimum titration volume can reach 0.2μL/step.
    • The German ILS 25mL injection needle and 0.6mm lead linear motor form a high-precision titration system.
    • The internal standard of titrant concentration eliminates the systematic error caused by the difference between human and instrument judgment, and is highly precise, convenient and fast.
    • Visible titration cup design makes it convenient for users to observe the titration process and clean it.
    • The simultaneous distillation and titration mode can save analysis time and reduce ineffective distillation power consumption.
    • Distillation time can be freely set from 10 seconds to 9990 seconds.
    • The steam flow rate can be adjusted from 1% to 100% to suit samples of different concentrations.
    • The automatic discharge of waste liquid from the digestion tube reduces the labor intensity of operators.
    • Shut down and automatically clean the alkali pipeline to prevent pipeline blockage and ensure liquid supply accuracy.
    • Data storage can reach 1 million items for users to check.
    • 7CM automatic paper cutting thermal printer.
    • The unique “sample weighing data automatic upload data package” eliminates the need to record and enter the weight of samples one by one, reducing input errors and improving work efficiency.
    • The ammonia separator is made of “polyphenylene sulfide” (PPS) plastic, which can be used under high temperature and alkaline working conditions.
    • The steam system is made of 304 stainless steel, safe and reliable.
    • The cooling system is made of 304 stainless steel, which has fast cooling speed and stable analysis data.
    • The leakage protection system ensures operator safety.
    • The safety door and safety door alarm system ensure personal safety.
    • The digestion tube absence protection system prevents reagents and steam from injuring people.
    • Steam system water shortage alarm prompts and shuts down to prevent accidents.
    • The steam boiler has over-temperature alarm and shutdown to prevent accidents.
    • Steam over-pressure alarm and shutdown to prevent accidents.
    • Sample over-temperature alarm and shutdown prevent sample temperature from rising and affecting analysis data.
    • Low level alarm in reagent barrel and titration bottle.
    • Cooling water flow monitoring prevents insufficient water flow from causing sample loss and affecting analysis results.

  • Specifications

    Model KJA-9870A
    Analytical Range 0.1-240 mg N
    Accuracy (RSD) ≤0.5%
    Recovery Rate 99-101%
    Min. Titration Volume 0.2μL/step
    Titration Speed 0.05-1.0ml/s can be set at will
    Distillation Time 10s-9990s free setting
    Sample Analysis Time 4-8min/ (cooling water temp. 18℃)
    Titrant Concentration Range 0.01-5mol/L
    Titrant Concentration Input Method Manual input/instrument internal standard
    Titration Mode Standard/Steaming while dripping
    Titration Cup Volume 300ml
    Touch Screen 10-inch color LCD touch screen
    System /
    Communication Interface RS232 / Cooling water / Reagent barrel liquid level
    Data Storage Capacity 1 million groups
    Printer 5.7CM thermal automatic paper
    Digestion Tube Waste Discharge Mode 1% -100%
    Steam Flow Regulation 1% -100%
    Safe Alkali Adding Mode 0-99s
    Automatic Shutdown Time 60minutes
    Electricity AC220V/50Hz
    Heating Power 2000W
    External Dimension 500*460*710mm
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