Kjeldahl Analyzer :  Kjeldahl Analyzer LKA-A10

Kjeldahl Analyzer LKA-A10

Kjeldahl Analyzer LKA-A10 is a complete microcomputer controlled user-friendly automatic device integrating distillation and titration functions. It is compatible with 42 mm digestion tubes and has features such as automatic waste discharge and cleaning of digestion tubes and titration cups, control steam flow and real time detection of distillation temperature. Along with High-accuracy Charging Pump and Titration system, it is also equipped with large LCD touch screen panel, faster ARM system and multiple fluid level detection system to ensure smooth test process.

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Measuring Range 0.1 mg-200 mg N
Analysis Time 5-10 min/sample
Water Consumption in the Distillation Process 1.5 l/min
Sample Capacity Solid : ≤ 5g/sample; Liquid: 20 ml/sample
Burette volume 2.0μl/step
Recovery ≥ 99.5 %
Reproducibility Average value relative error ± 0.5%
Data Storage Capacity 1000 groups
Power Supply AC 220 V ± 10%/ 50 Hz
Power 2 kW
Dimension 455 x 391 x 730 mm
Net Weight 38 kg
  • Microcomputer controlled system ensures automatic completion of distillation, titration, calculation, printing and waste discharge
  • Provides multiple protections i.e., failure-self detection, hints of condensed water shortage, displacement of safety door and digestion tube
  • Large LCD touch screen enables visual operation
  • Double distillation model
  • High precision charging pump and titration system
  • Automatic waste discharge and cleaning of digestion tubes and titration cups
  • Provision to control steam flow
  • Real time detection of distilled liquid temperature
  • External titration cup design gives operator real-time control of the entire test process
  • Reagent barrel gives fluid absence warning ensuring smooth functioning of test process
  • Digestion tube fast drain function is used to protect the operator
  • Faster ARM system to ensure fast operation
  • USB or RS 485 interface is optional for PC connection
  • User friendly design

It is used to perform nitrogen analysis and protein determination in food & feed industry, environmental industry, chemical industry etc.

Accessory Name Quantity
Waste Receiving Tray 1 pc
Nylon Cable Ties 10 pcs
Glove 2 pcs
Silicone Pipe 2 pcs
Fuse (15A) 5 pcs
Printing paper 10 rolls
Digestion Tube Holder 1 pc
Digestion Tube 300 ml 10 pcs
Power Cord 1 pc
Dustproof Cover 1 pc
Inlet Water Pipe 1 pc
Outlet Water Pipe 1 pc
Titration Acid Bottle 1 pc
Alkali/ Water/ Acid Tanks with level sensors 3 pcs
Touch Pen 1 pc

Accessory Name Specification Quantity
Digestion Tube 280 ml 10
Alkali Tank/ Boric Acid Tank/ Water Tank 600 ml 3
Digestion Tube Holder 10 hole 1
Titration Acid 1L 1
Printing Paper L57 x ɸ33 10

Kjeldahl Analyzer

Labtron produces high performance TKA series of Kjeldahl Analyzer which is designed on classic Kjeldahl nitrogen determination method. Its latest core control system and fully automatic features attracts users worldwide.

Fully-automatic Kjeldahl Analyzer LKA-C10

Kjeldahl Analyzer : Fully-automatic Kjeldahl Analyzer LKA-C10
Measurement Range0.1 to 200 mgN
FunctionAutomatic test module of conventional Nitrogen
Recovery Rate≥ 99.5 %
SampleSolid ≤ 5 g   liquid ≤ 25 ml
Distillation Time3 to 8 min / sample

Semi-Automatic Kjeldahl Analyzer LKA-A20

Kjeldahl Analyzer : Semi-Automatic Kjeldahl Analyzer LKA-A20
Measuring Range0.1 mg-250 mg N
Analysis Time3-4 min/sample
Water Consumption in the Distillation Process1.2-3 l/min
Sample CapacitySolid : ≤ 6g/sample; Liquid: 16 ml/sample
Recovery≥ 99.5 %

Graphite Digester

Graphite digesters are used to simplify operations and meet the highest safety requirements. It ensure reproducible digestion due to the improved thermal homogeneity and accurate temperature control

Graphite Kjeldahl Digester LKGD-A10

Graphite Digester : Graphite Kjeldahl Digester LKGD-A10
Temperature Range5 °C - 450 °C
Digestion Tube Capacity280 ml
Capacity Per Batch20 pcs / batch
Heating MethodInfrared heating and high-purity graphite conduction
Heating Insulation MethodUnique air duct insulation technology

Graphite Block Kjeldahl Digester LKGD-A11

Graphite Digester : Graphite Block Kjeldahl Digester LKGD-A11
Temperature Range5 °C - 450 °C
Digestion Tube Capacity280 ml
Capacity Per Batch20 pcs / batch
Heating MethodInfrared heating and high-purity graphite conduction
Heating Insulation MethodCeramic fibre and Unique air duct insulation technology