NADE 8900 Fully Automatic Kjeldahl Analyzer+Auto Sampling

The 8900 fully automatic Kjeldahl nitrogen analyzer is currently the product with the largest sample placement capacity (up to 40), the highest degree of automation (no need to manually transfer test tubes), and the most complete supporting equipment (optional 40- hole digestion furnace, 40-tube fully automatic tube washing machine).

Choosing the series of products from EliteLab Company solves the complicated tasks of "disintegration of samples in one furnace, automatic analysis without supervision, and automatic cleaning and drying of test tubes after analysis", saving labor costs and improving work efficiency.

One-key automatic completion:


Reagent addition, temperature control, cooling water control, sample distillation separation, sample titration analysis, data storage display, emptying of digestion tube waste, emptying of waste liquid, rinsing of the titration cup, and completion prompt

Based on the Windows11 developed computer operating system:

Real-time computer control of host analysis and operation


Storage, reading, query, export, and internet transmission of analytical data

Automatic generation of analysis reports, editing, printing, exporting, and other network services

Standard configuration of 23-inch desktop computer

★ Unique "sample weighing data automatically uploaded to the nitrogen analyzer via a downloadable app on mobile devices," reducing transcription errors and improving efficiency.

★ Remote monitoring of the nitrogen analyzer's operational status via mobile phone, with real-time data sharing and download capabilities.

Control system with a 10-inch color touch screen for "nitrogen determinator host, refrigeration system" unified control, no need for multiple switch settings. Convenient, simple, and safe

Three-level permission management, electronic records, electronic tags, operation traceability inquiry system in line with relevant certification requirements

★ Patented technology "Electronic refrigeration circulation system" does not require tap water fully automatic Kjeldahl nitrogen determinator, energy-saving, environmentally friendly, high condensing efficiency


System automatically shuts off after 60 minutes of inactivity, energy saving, safe, and worry-free

★ The instrument is equipped with a protein coefficient lookup table for users to peruse, query, and participate in system calculations. When the coefficient = 1, the analysis result is "nitrogen content"; when the coefficient > 1, the analysis result automatically converts to "protein content" for display, storage, printing

★ Patented technology adjusts R, G, and B light intensity automatically, suitable for analyzing different sample concentrations.

The titration system uses R, G, and B coaxial light sources and sensors with a wide color adaptation range and high precision

The titration speed can be set from 0.05ml/sec to 1.0ml/sec, with the minimum titration volume of 0.2ul/step

German ILS 10mL (optional 25mL) injection syringe and 0.6mm pitch linear motor make up the high-precision titration system

★ The internal standard of the titrant concentration eliminates the systematic errors that differ between human and instrument determinations, and is highly accurate and convenient

The titration cup is installed in a visible manner for the user to observe the titration process and the cleaning of the titration cup


The simultaneous distillation and titration mode can save analysis time and reduce ineffective distillation electricity consumption


The distillation time is freely set from 10 seconds to 9990 seconds


The steam flow is adjustable from 1% to 100% to suit different concentration samples


Automatic waste discharge of the digestion tube reduces the workload of the staff

★ Automatic cleaning of the alkali line when shut down to prevent line blockage and ensure the accuracy of the liquid supply

Data storage (16M) can reach 1 million records for user review


5.7CM automatic paper cutting thermal printer


USB, LAN, RS232, CAN, WIFI, Ethernet, electronic balance, cooling system data interface

★ The splash bottle is made of "high molecular PP plastic" processing, which can meet the application requirements of high temperature, strong alkali, and strong acid working conditions


★ The steam system is made of 304 stainless steel, and the liquid level control adopts patented technology "separate capacitive liquid level sensor control", and the system is overall safe, reliable, and has a long service life


★ The condenser is made of 304 stainless steel, and the cooling speed is fast, and the analysis data is stable

The leakage protection system ensures the safety of the operator


The safety door and safety door alarm system ensure the safety of personnel


The digestion tube missing protection system prevents reagent and steam from hurting people


Steam system low water alarm prompt, shutdown prevents accidents


Steam pot overheating alarm, shutdown prevents accidents


Steam overpressure alarm, shutdown, prevents accidents


Sample overheating alarm, shutdown prevents the sample temperature rise from affecting the analysis data


Low liquid level alarm for reagent bucket and titration bottle


Monitoring of cooling water flow prevents insufficient water flow from causing sample loss and affecting analysis results

1) Analysis range: 0.1-240 mg N

2) Precision (RSD): ≤0.5%

3) Recovery rate: 99-101%

4) Minimum titration volume: 0.2μL/step

5) Titration speed: 0.05-1.0ml/S arbitrarily set

6) Number of autosampler digits: 40

7) Distillation time: 10-9990 freely set

8) Sample analysis time: 4-8min/(cooling water temperature 18℃)

9) Titration solution concentration range: 0.01-5 mol/L

10) Titration solution concentration input method: manual input/instrument internal

standard

11) Titration mode: standard/distillation while dropping

12) Titration cup volume: 300ml

13) Touch screen: 10-inch color LCD touch screen

14) Data storage capacity: 1 million sets of data

15) Printer: 5.7CM thermal automatic paper cutter printer

16) USB, LAN, RS232, CAN, WIFI, Ethernet, electronic balance, refrigeration system data

interface

17) Bluetooth communication, data transmission, remote monitoring

18) Discharge mode of digestion pipe: manual/automatic discharge

19) Steam flow adjustment: 1%--100%

20) Safe alkali addition mode: 0-99 seconds

20) Automatic shutdown time: 60 minutes

21) Working voltage: AC220V/50Hz

22) Heating power: 2000W

23) Working position: 20/24/40 positions

24) X-axis (left and right) running speed: 23.8mm/second

25) Y-axis (front and back) running speed: 71.4mm/second

26) Z-axis (up and down) running speed: 61.6mm/second

27) Working voltage: AC220V/ 50Hz

28) Power: 300W

29) Automatic sampler size: length 870*width 780*height 950

30) Main unit size: length: 500*width: 460*height: 710mm

31) Automatic sampler size: length 930*width 780*height 950

32) Total height of instrument assembly: 1630mm

33) Temperature control range of electronic refrigeration system: 5℃-20℃

34) Refrigeration tank volume: 6L

35) Circulation pump flow: 10L/min

36) Lift: 10 meters

37) Working voltage: AC220V/50Hz

38) Power: 900W