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Kjeldahl Analyzer, KJA-9830, KJA-9830A

  1. Analytical range:0.1—200 mg N
  2. Accuracy(RSD):≤0.5%(30mgN,0.1mol/L H+)
  3. Titrant concentration input mode:Manual input
  4. Sample analysis time:3-4min/( cooling water temp 18℃)
  5. Blank deduction of sample:Automatic deduction
  6. User-made recipe:99 groups

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Description

KJA-9830 Unique Advantages and Features

1.Operating system:adopt 7.5 inch color touch screen with man-machine dialogue mode easy to operate and learn.
2.Protein coefficient query:the built-in “protein coefficient inquery table” can be consulted, inquired and participate in the system calculation which is convenient for users.
3.Storage, inquery and printing of analysis data:data storage capacity is 140,000 pieces for users to check, and the printer is a 57CM thermal automatic paper cutting printer.
4.One machine with dual-function:this series of products can measure not only “amino” samples but also “nitro” samples, such as “nitro ammonia” fertilizer, which can save 50% of the purchasing cost for users.
5.Modular structure: the patented technology with “modular structure” design makes the internal layout more reasonable and pipeline distribution simpler, thus greatly reduce the chance of the pipeline failure. And it is easy to maintain and store.
6.Refrigerating circulator interface: the “refrigeration system” no longer needs to be turned on or off. When the azotometer is heated, it will automatically start to cool the azotometer, and when the azotometer is turned off, it will turn off automatically.
7.Ammonia separator (anti-splash bottle): selects the sodium glass material which is resistant to strong alkali corrosion, thoroughly solve the problem of ammonia separator corroding caused by long time soaking in strong alkali.
8.Electric leakage protection system: to prevent personal injury caused by electric leakage and electric shock caused by various reasons.
9.Digestive tract absence protection: the system will not add reagents and heat when the digestive tract is not yet placed, preventing reagents and steam from hurting people.
10.Safety door protection: the 5mm-thick transparent safety door is easy to operate to ensures personal safety.
11.Water shortage protection of steam system: when the steam system is short of water, the system will automatically stop and alarm to prevent accidents.
12.Over-temperature protection of steamer: if the distillation system fails and the temperature in the steamer is too high, the system will automatically stop and give an alarm.
13.Safe way of adding alkali: this way can reduce the strong neutralization reaction during process of adding alkali and prevent the occurrence of tube explosion .

KJA-9830A Unique Advantages and Features

1.Automatic discharge of digestive waste liquid: after distillation, a large amount of waste liquid will remain in the digestive tubes. The automatic “Waste Discharge System ” can reduce workers’ labor intensity.
2.Steam flow adjustment : adjusts the steam flow rate from 70% to 100% to apply samples with different concentrations.
3.Automatic cleaning of the alkali pipeline: the system automatically cleans the alkali pipeline every time after it is shut down, preventing the alkali pipeline from being blocked after a long shutdown.
4.Steam over-pressure protection: the pressure measuring alarm system consists of pressure transmitter and CPU, when the system pressure is too high, the system will give an alarm and shut down to prevent accidents.
5.Sample overheat alarm: in order to prevent sample temperature from rising due to the low flow rate of cooling water, which will affect the analysis data, the system will give an alarm when the temperature is over and display the real-time temperature of the sample.
6.Monitoring of cooling water flow: when the cooling water flow is too small or too large, the monitoring system will alarm and stop.

Specifications

Model name KJA-9830 KJA-9830A
Analytical range 0.1—200 mg N
Accuracy(RSD) ≤0.5%(30mgN,0.1mol/L H+)
Recovery rate ≥99.5%
Input mode of titrant concentration

 

Manual input
Sample analysis time 3-4min/( cooling water temp 18℃)
Blank deduction of sample Automatic deduction
User-made recipe 99 groups
Re-add alkali during distillation process 0-99mL/ per time
Fertilizer analysis model (nitro) Reaction time 0-2 hours
Cooling water consumption 1.2L—3L/min
Connectable fittings cooling water/reagent level
Data storage 140,000 sets
Printer Not applicable 57CM thermal automatic paper cutting printer
The digestive tube discharges waste automatically Manual processing Automatic discharge
Steam pressure monitoring and alarm Not applicable 40kpa
Distillation sample temperature monitoring and alarm Not applicable 50℃
Cooling water flow monitoring and alarm Not applicable 0.8-10L/min
Steam flow control Not applicable 70%-100%
Automatic cleaning of alkali pipeline Not applicable Automatic cleaning
Safe alkali adding mode Equipped(0-999 sec)
Steam boiler over-temperature alarm system 120℃
Steam boiler with dry burning-resistant protection Equipped
Safety Gate Switch Equipped
Digestive tube vacancy switch Equipped
Operating voltage AC220V/50Hz
Heating power 2000W
Boundary dimension 500*460*710mm
Net weight 23Kg 28Kg

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    Contact Info

    Rm. 2014, Bldg. 3, Ligaoguojihuayuan, No. 1222, West Aoti Road, Lixia District, Jinan, Shandong

    Phone: +86-531-88982330

    Fax: +86-531-88983691

    Web: www.bioevopeak.com

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