Automatic Kjeldahl Nitrogen Analyzer ZDDN-9870A/B
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Automatic Kjeldahl Nitrogen Analyzer ZDDN-9870A/B

Model: ZDDN-9870A/B

TOP INSTRUMENT Automatic Kjeldahl Nitrogen Analyzer ZDDN-9870A/B products produced can be replaced with the "special operating system for the determination of chemical fertilizers and compound fertilizers. After replacing the system, add "HF" at the end of the existing product model. The products all comply with: "GB/T8572-2010" , "GB/T17767.1-2008", "NY/T1977-2010", "NY-T1116-2014"... regarding "In the presence of methyl red-methylene blue mixed indicator solution, use sodium hydroxide standard titrant to return titration" standard.
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  • ZDDN-9870A/B

  • TOP

Characteristic:


  • The standard refrigeration system can save a lot of water resources for users, and is energy-saving, environmentally friendly, and has stable analysis data.

  • The system automatically shuts down after 60 minutes of unattended 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 R, G and B three-color light intensity automatic adjustment system is suitable for the analysis of samples with different concentrations.

  • 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.

  • Shut down and automatically clean the alkali pipeline to prevent pipeline blockage and ensure liquid supply accuracy.

  • 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.




ProjectParameter
ProjectParameter
Analysis scope0.1-240 mgN
Communication Interface232/Ethernet/Computer/Electronic balance cooling water/reagent barrel liquid level
Accuracy(RSD)≤0.5%
Digestion tube waste discharge mode1%-100%
Recovery rate99-101%
Steam flow regulation1%--100%
Minimum titration volume0.2μL/step
Safe alkali addition mode0-99 seconds
Titration speed0.05-1.0ml/S optionally set
Automatic shutdown time60 minutes
Distillation time10-9990 free setting
Operating VoltageAC220V/50Hz
Sample analysis time4-8min/(cooling water temperature 18℃)
Heating power2000W
Titrant concentration range0.01—5mol/L
Host size500mm long*460mm wide*710mm high
Titrant concentration input methodManual input/instrument internal standard
Refrigeration system temperature control range-5℃-30C
Titration modeStandard/drip while steaming
Output cooling capacity/refrigerant1490W/R134A
Titration cup volume300ml
Refrigeration tank volume6L
Touchscreen10-inch color LCD touch screen
Circulation pump flow10L/min
SystemWindows10 development operating system and 27-inch computer
(Exclusively for JK9870B)

Lift10 m
Data storage capacity1 million sets of data
Operating VoltageAC220V/50Hz
Printer5.7CM thermal automatic cutting printer
Power850W




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