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ZDDN- II Automatic Kjeldahl Protein Analyzer

» AgroProduce Quality Analysis » ZDDN- II Automatic Kjeldahl Protein Analyzer

ZDDN- II Automatic Kjeldahl Protein Analyzer

CATEGORY AND TAGS:
AgroProduce Quality Analysis, Flour and Oil Testing Instrument

Model:ZDDN- II

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  • Specifications

Characteristic:

The automatic Kjeldahl nitrogen analyzer ZDDN-II is a measuring instrument designed based on the principle of Kjeldahl nitrogen determination method. Mainly used for the determination of nitrogen and protein content in samples, it adopts microcomputer automatic control, and the manual and automatic modes can be switched between each other. It has functions such as automatic distillation control, automatic water addition, automatic water level control, and automatic water stop. Suitable for analysis, teaching, and research in industries such as grain and oil testing, feed analysis, plant nutrient testing, soil and fertilizer testing, environmental protection, medicine, and chemical engineering. It is mainly used to detect the content of ammonia nitrogen, protein nitrogen, etc. in grains, food, dairy products, beverages, feed, soil, water, drugs, sediments, and chemicals. This instrument is one of the essential instruments for detecting the physical and chemical properties of soil.

The Function Features:

  • Large screen dot matrix LCD display, full Chinese menu, touch buttons, easy and convenient operation.
  • Automatic Kjeldahl nitrogen analyzer with automatic distillation control, automatic water addition, automatic water level control, and automatic water stop.
  • Various safety protections: digestive tract safety door device, steam generator water shortage alarm, water level detection fault alarm.
  • The maximum number of storable operating programs is 250.
  • The shell is made of specially sprayed steel plate, and the working area is equipped with ABS anti-corrosion panel, which is resistant to chemical reagent corrosion and mechanical damage on the surface, and is acid and alkali resistant.
  • Water level detection, low water level alarm, and automatic power-off in case of instrument control system failure.
  • The standard configuration does not include a digestion furnace, which is optional.

The Technical Parameter:

Operation Mode Automatic (excluding titration)
Measurement Range 0.1 mgN–200 mgN (milligrams of nitrogen)
Rate of Recovery ≥ 99% (relative error, including digestion process)
Distillation Speed 5–15 minutes per sample (depending on sample size)
Cooling Water Consumption 3 L/min
Repetition Rate Relative standard deviation < ±1%
Power Supply AC 220V / 50Hz
Water Supply Water temperature less than 20 °C
Power 1000 W
External Dimensions 430 mm × 360 mm × 670 mm
Weight 25 kg
Water Inlet Method Tap water and distilled water
Sample Size Solid 0.20 g–2.00 g; semi-solid 2.00 g–5.00 g; liquid 10.00 ml–25.00 ml
Applicable Sample Types Grain, feed, food, dairy products, beverages, soil, water, medicine, sediment, chemicals, etc.

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