Semi-Automatic Kjeldahl Analyzer LZ-KA-A112 Catalog

Semi-Automatic Kjeldahl Analyzer LZ-KA-A112 is designed for accurate determination of nitrogen and protein content using the classical Kjeldahl analysis method. Engineered for laboratory and quality control applications, the system provides reliable distillation and nitrogen measurement performance for food, agriculture, environmental, pharmaceutical, and chemical testing laboratories. Its semi-automatic design ensures stable analysis with precise reagent dosing and consistent recovery rates for dependable testing results. Equipped with a corrosion-resistant construction, digital control interface, and efficient steam generation system, supports routine nitrogen determination workflows with enhanced safety and repeatability. The compact benchtop design makes it suitable for continuous laboratory operation requiring protein and nitrogen analysis.

Measuring Range	0.1mg ～200mg N
Analysis time	5-15 min/ sample (depending on sample)
Recovery	≥99.9%
Repeatability	±1%
Samples	Solid 0.20g ~2.00g Semi-Fixed: 2.00g ~5.00g Liquid: 10.00ml ~25.00 ml
Water Inlet	Tap / distilled water
Cooling water consumption	3L/min
Operation Mode	Automatic (Excluding titration)
Display	Digital
Power Consumption	1000 W
Power Supply	220 VAC±10%, 50 Hz
Dimensions	430 x 360 x 670 mm
Weight	25Kg
Digester (optional)	4-hole visible type digestion furnace

• Semi-automatic Kjeldahl nitrogen determination system
• Accurate nitrogen and protein content analysis
• Automatic alkali addition and distillation process control
• High recovery rate 
• Efficient steam generation
• Digital control interface
• Corrosion-resistant structure
• Built-in safety protection

Digester

Used for nitrogen and protein determination in food products, dairy, feed, grain, fertilizers, soil, pharmaceuticals, chemicals, environmental samples, and agricultural testing laboratories.