Fully-automatic Kjeldahl Nitrogen Analyzer AKN-10S (CAT#: STEM-OEM-0345-ZJF)

These Kjeldahl nitrogen analyzers are widely used across multiple sectors, including food processing, feed production, tobacco, animal husbandry, soil and fertilizer analysis, environmental monitoring, agriculture, academic research, teaching, and quality supervision. In addition to nitrogen and protein determination, they can also be applied in the detection of ammonium salts, volatile acids and bases, and soil cation exchange capacity.

Measuring Range: 0.1 mg to 240 mg N
Recovery Rate: ≥99.5%
Sample Amount: Solid ≤6 g; Liquid ≤25 ml
Distillation Speed: 3 to 8 minutes per sample
Distillation Time: 0 to 99 minutes
Repeatability: ≤0.5%
Titration Precision: 1.0 μL/step
Data Storage Capacity: 1 million groups
Reagent Bottle Liquid Level Detection: Yes
Protection Devices: Flow rate detection, liquid level alarm, over-temperature and over-pressure protection
Display: 7-inch LCD display
Rated Power: 2 kW
Power Supply: Standard - 220V, 50/60Hz; Optional - 110V, 50/60Hz
External Size (W×D×H): 490 × 380 × 725 mm
Net Weight: 38 kg
Packing Size (W×D×H): 630 × 560 × 1350 mm
Gross Weight: 52 kg

Fully automated operation includes dilution, alkali addition, receiver solution addition, distillation, titration, result calculation, printing, digestion tube/cup emptying, and steam flow adjustment.
Android-based control system with 7-inch color touchscreen for real-time experiment monitoring.
External titration cup allows real-time process control by operator.
Adjustable steam flow (0-100%) for flexible applications.
User authority classification, operation log, and data traceability functions.
Built-in 8G storage with multiple preset application programs.
Quick digestion tube emptying prevents contact with high-temperature waste.
High-precision dosing and titration system ensures accurate results.
Real-time titration curve display for process transparency and online monitoring.

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