• Product Name: KDN-812 Fully Automatic Nitrogen Analyzer
• Order number: tlyon000129
• Brand Name: Shanghai Fiber Inspection

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Main features:
1. Adopting the international standard Kjeldahl nitrogen determination method: concentrated sulfuric acid digestion, alkaline environment steam distillation, boric acid absorption, indicator titration endpoint color determination method;
2. Working mode: Hand automatic integrated, can be switched at any time.
3. Automatic mode: One click completion of water addition, alkali addition, boric acid addition, distillation, cleaning, and waste discharge. (excluding titration);
4. Manual mode: Each step can be operated separately or simultaneously.
5. Automatic quantitative addition of alkali solution and boric acid receiving solution;
6. Automatically clean and discharge waste liquid;
7. The distillation process will automatically stop and sound an alarm upon completion;
8. Emergency stop function to prevent unexpected situations;
9. Display mode: 7-inch LCD widescreen display;
10. Control panel: touch sensitive;
11. Condensation effect monitoring, service life monitoring of water alkali pump,
12. Automatic fault detection and sound and light alarm;
13. Emergency response: Testing can continue after power failure without affecting the testing effectiveness of the current sample; To avoid sample scrapping caused by unexpected events.
14. Anti splash tube material: Made of high-performance, acid and alkali resistant plastic molds for one-time molding; Good sealing performance, stronger alkali resistance than glass, and long service life.
15. Protection device: safety door alarm; Poor condensation effect alarm;
16. The receiving bottle automatically drops and flushes the receiving tube. More in line with national standard operating requirements.
17. Specially made spray painted steel plate shell, beautiful and practical; The acid-base contact part is made of mirror stainless steel, which is corrosion-resistant and durable;
18. Compact size saves more space on the laboratory bench;



Technical parameters of KDN-812 fully automatic nitrogen analyzer: (★ indicates the characteristics of this product)
1. ★ Measurement range: 0.1~240mg nitrogen
2. ★ Sample weight: Solid ≤ 8g; Liquid ≤ 20ml;
3. ★ Accuracy: Relative difference of 1%;
4. Repeatability: Parallel deviation ≤ 0.2%;
5. Recovery rate: ≥ 99.5%；
6. ★ Measurement speed: 3-8min/sample;
7. Distillation time: 0~9999 seconds can be set arbitrarily;
8. ★ Built in 5 micro pumps for independent extraction of reagents;
9. The splash proof tube is made of high-performance, acid and alkali resistant plastic molds that can be molded in one go;
10. Condensed water consumption: 1.4L/min;
11. ★ Operation mode: automatic/manual dual mode can be switched at any time;
12. ★ Display mode: 7-inch LCD ultra-fine color screen;
13. ★ Control mode: touch based;
14. Power: 1200W;
15. Power supply: 220V ± 10%; 50HZ~60HZ；
16. Size: 310 × 320 × 690 (mm);
17. Weight: 30kg;