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Kjeldahl Digestion System, KJD-420F

  1. Temperature range: RT. +5 – 450℃
  2. Temperature accuracy: ±1℃
  3. Digestion tube capacity: 300mL

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It adopts globally advanced high-temperature infrared radiation heating technology and microprocessor control platform, ensuring accurate temperature control and quick temperature rise. It has two kinds of temperature rise modes: linear and curve temperature rise mode, and offers 20 digestion programs for control of temperature rise curves.

Neutralization system includes ternary filtration functions, condensation, neutralization and filtration. The product adopts high-quality anticorrosive Pumps, featuring low noise, strong suction, reducing exhaust emissions, and eco-friendly


  1. 20positions enhance working efficiency rapidly.
  2. Graphite block has longer life after special anti-oxidation processing and can heat more uniform.
  3. Corrosion-resistant design.
  4. It adopts advanced PID temperature control technology, with high accuracy heating up to 400°C only in 25minutes.
  5. Multi-protection, over-current protection, high temperature warning, and overload protection.
  6. It adopts7” color screen, easy for use.
  7. Standard configuration with waste gas collection hood WD03.
  8. Temperature control model,program control, and curve and linear temperature rise models.

Exhausting System:

  1. Mould design, compact appearance.
  2. Absorption device area is translucent design, easy for inspection and changing.
  3. Suction pressure is adjustable when become negative, to avoid acid gas spilling or emptying.
  4. Anticorrosion vacuum pump, low noise, large suction, reduce wasted gas exhausting and environmental friendly.
  5. Ternary filtration system (water condensation, alkali neutralization and active carbon filtration) ensures perfect neutralization and absorption performance. PTFE anticorrosion pipe design can improve the service life.


Temperature range Room temperature +5 – 450℃
Temperature accuracy ±1℃
Heating method Infrared heating and high-purity graphite conduction
Heating insulation method unique air duct insulation technology
Digestion tube capacity 300mL
Capacity per batch 20pcs/batch
Power supply 220 VAC±10% 50HZ
Power 3600W
Dimension 515mmX458mmX730mm
Net weight 40Kg

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    Contact Info

    17th floor, Mingsheng Building, Xinluo Street, Jinan

    Phone: +86-531-88982330

    Fax: +86-531-88983691


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