Drawell K1100F Product Manual
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Drawell K1100F Product Manual

Automatic kjeldahl analyzer
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User Manual
Please read the manual before installation and operation.
Drawell International Technology Limited
Chongqing Drawell Instrument CO,.Ltd
Add:Suite 2705,Building No.12,Shiyou Road No.1,Yuzhong District, Chongqing,China
Tel: 0086-023-63268643
Shanghai Drawell Scientific Instrument CO.,Ltd.
Add: Suite 1117,Lane561 XiuChuan Rd.,PuDong New Area,Shanghai,China
Web : www.drawell.com.cn
Email : sales05@drawell.com.cn

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Summary of Contents for Drawell K1100F

  • Page 1 Please read the manual before installation and operation. Drawell International Technology Limited Chongqing Drawell Instrument CO,.Ltd Add:Suite 2705,Building No.12,Shiyou Road No.1,Yuzhong District, Chongqing,China Tel: 0086-023-63268643 Shanghai Drawell Scientific Instrument CO.,Ltd. Add: Suite 1117,Lane561 XiuChuan Rd.,PuDong New Area,Shanghai,China Web : www.drawell.com.cn Email : sales05@drawell.com.cn...
  • Page 2 P r o d u c t Ma n u a l...

  • Page 3: Table Of Contents

    K1100F User Manual V2.4 Contents Contents Contents Contents I. Summary........................1 1.1 Application......................1 1.2 Principles.......................1 1.3 Operating procedures....................3 II. Main performance....................4 2.1 Technicalparameters....................4 2.2 Use conditions.......................4 III. Name of device components..................5 IV. Device installation methods..................7 V. Function introduction....................8 VI. Automatic test of samples..................38 VII.
  • Page 4 K1100F User Manual V2.4 Warning: The instrument can not provide the designed protection for operators who do not follow the right procedures and requirements given by the manufacturer. Warning: All solutions must be handled with care according to the lab’s safety regulation.

  • Page 5: Summary

    Application Application Application K1100F Automatic Kjeldahl Analyzer is an automatic, smart device determining nitrogen content based on Kjeldahl method. It can be widely used in food processing, feed production, tobacco, livestock, soil fertility, environmental monitoring, medicine, agriculture, scientific research, teaching, quality control and other fields for the test of nitrogen or protein content with respect of macro and semimicro samples and can also be used for the test of ammonium, volatile fatty acid / alkali, and so on.
  • Page 6 K1100F User Manual V2.4 subjected to the following chemical reactions on the instrument: high temperatur steam NaOH [1]. ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ → ↑ [2]. [3]. The ammonia gas emitted during the reaction, together with the steam, is collected in the receiving cup added with boric acid absorbing solution (containing mixed indicator) after condensed by a condensing tube.

  • Page 7: Operating Procedures

    K1100F User Manual V2.4 Operating Operating Flow Flow Chart Chart 1.3 Operating Operating Flow Flow Chart Chart - 3 -...

  • Page 8: Main Performance

    K1100F User Manual V2.4 II. II. II. II. Main Main performance Main Main performance performance performance 2.1 Technical Technical Technical Technical parameters parameters parameters parameters a. Sample capacity: solid≤5g, liquid≤20mL; b. Measuring range: 0.1mg～200mg nitrogen; c. Analysis time: 5～10 min/sample;...

  • Page 9: Name Of Device Components

    K1100F User Manual V2.4 III. Name Name of of of of instrument instrument components III. III. III. Name Name instrument instrument components components components The instrument is a system conducting automatic distillation, titration, calculation, printing, discharge and cleaning on the fully-digested sample and capable of displaying operating procedures, with a microcomputer calculating results and a printer outputting data.
  • Page 10 K1100F User Manual V2.4 Fig 3.2 16. Condensate water inlet 17. Condensate water outlet 18. Discharge port Fig 3.3 19. Power switch 20. Power plug 21. RS485 interface 22. USB interface 23. Distilled water level detection interface 24. Boric acid level detection interface 25. Alkali solution level detection interface 26.

  • Page 11: Device Installation Methods

    K1100F User Manual V2.4 Fig 3.4 1. Power indicator light 2. Heating indicator light 3. Alarm indicator light Device Device installation installation methods methods IV. Device Device installation installation methods methods 1. 1. 1. 1. Inspection Inspection Inspection before before...

  • Page 12: Function Introduction

    K1100F User Manual V2.4 e. The power arrangement shall comply with requirements of power supply. It shall be provided with ground lead, and separate power switches and safeguards to ensure users’ safety. f. The device shall be installed far away from large electrical equipments, and the operating location shall be free of quake, corrosive liquid and strong electromagnetic field interference.
  • Page 13 K1100F User Manual V2.4 2. 2. 2. 2. The functions functions functions of of of of the buttons buttons buttons of of of of the printer printer follows follows The functions the buttons the printer printer are are as as follows follows a.
  • Page 14 K1100F User Manual V2.4 when the level of any of the acid tank, alkali tank or water tank is so low that refilling is needed, the system will make alarm. 4. 4. 4. 4. Operation Operation Operation Operation of of of of device...
  • Page 15 K1100F User Manual V2.4 Fig. 5.5.1 Press [T est],the menu system will automatically enter into operating mode interface, including two test modes, i.e., automatic test and manual tests. [Automatic test] After setting experimental parameters, the device will carry out automatic experimental test.
  • Page 16 K1100F User Manual V2.4 Touch and choose automatic test mode to enter corresponding mode interface, wherein four functions can be attained as follows: 1. Choose type 2. Input parameters 3. Commence experiment 4. Save mode 1) Automatic test: The system initially displays the interface for optional types, and there're ten optional types in total.
  • Page 17 K1100F User Manual V2.4 Fig. 5.5.4 Upon choosing [User mode], enter the following interface. [User mode] allows users to save 100 kinds of measurement mode in the process of measurement for convenience of future measurement of similar experiments. It can provides previous information, such as concentration of titration acid, volume of diluting water, volume of boric acid, volume of alkali solution and distilling duration.
  • Page 18 K1100F User Manual V2.4 After inputting corresponding experimental parameters, press [OK] to enter experiment interface and start the experiment. The steps of experiment are respectively: add diluting water, add boric acid, add alkali, distill, titrate, calculate and print, discharge, digestion tube cleaning and receiving cup cleaning, of there the functions of digestion tube cleaning and receiving cup cleaning are set up as required in [Setup] interface before the experiment starts.
  • Page 19 K1100F User Manual V2.4 Fig.5.5.7 When a parameter is set, after filling of boric acid is completed, the system will start filling of diluting water and display that diluting water is being added. Note: Note: dilution dilution function function function of of of of the...
  • Page 20 K1100F User Manual V2.4 Fig. 5.5.9 During foregoing operation, the experiment can be suspended at any time by the operator as necessary. The experiment can be either continued or quitted after suspension. If the alkali is not sufficient due to certain causes, then the experiment can be suspended upon distillation.
  • Page 21 K1100F User Manual V2.4 started; meanwhile the suspend or back can be attained. See Fig. 5.5.11. Fig. 5.5.11 During the process of distillation, in case of abnormal conditions, it will be notified, such as overheating of ammonia water, See Fig.5.5.12, overheating of steam generator, See Fig.
  • Page 22 K1100F User Manual V2.4 Fig. 5.5.13 Upon the system enters into the process of titration, See Fig. 5.5.14. Fig. 5.5.14 In case discharging and cleaning are set in [Setup], then system will automatically discharge and clean after completion of titration. The cleaning of digestion tube and receiving cup will be respectively carried out following the discharging of the same.
  • Page 23 K1100F User Manual V2.4 Fig. 5.5.15 Cleaning will be automatically started upon completion of discharging. The digestion tube will first be cleaned. See Fig. 5.5.16. Fig. 5.5.16 The receiving cup will be cleaned following the completion of digestion tube cleaning.
  • Page 24 K1100F User Manual V2.4 Fig. 5.5.17 After completion of cleaning, it will enter into the titration result interface, wherein the titrated volume, nitrogen content and protein content will be simultaneously displayed. Under such interface, printing and saving mode can be carried out. See Fig.5.5.18.
  • Page 25 K1100F User Manual V2.4 Fig.5.5.19 Choosing save mode can save the present experiment mode, with interface cuing user No. input and showing dialog box for input. See Fig. 5.5.20. Fig. 5.5.20 After number input, press [OK] to save or press [Back] to return to the previous interface.
  • Page 26 K1100F User Manual V2.4 Fig. 5.5.21 After completion of saving mode, it will automatically return to the parameter input interface and enter into standby status. See Fig. 5.5.4. 2) Manual test Upon touching and choosing the manual test mode in the interface in Fig. 5.5.2, it will enter into the parameter test interface.
  • Page 27 K1100F User Manual V2.4 Fig. 5.5.23 For example, choose Add diluting water (the triangle icon is directed to the present option), input corresponding volume, and touch to start adding of diluting water. After the completion of adding, it will automatically return to the present interface, ready for choice of other functions.
  • Page 28 K1100F User Manual V2.4 Cleaning Choose [Cleaning], with interface as shown in the figure, including Digestion tube cleaning, Receiving cup cleaning, Alkali pipeline cleaning, Boric acid pipeline cleaning, Acid washing, Steam bottle evacuation. Choose Cleaning to start cleaning. See Fig. 5.5.25.
  • Page 29 K1100F User Manual V2.4 Search Choose [Search] to enter into search interface for historical record, input sample No. to display corresponding experiment results and storage time. In case no reference number is input, the system will display the record of latest experiment; the system will display corresponding record following manual input of reference number (Range of sample No.: 1-1800).
  • Page 30 K1100F User Manual V2.4 Fig. 5.5.28 Setup Choose [Setup] to enter Setup interface, wherein setup of the following functions can be attained: [Steam flow] can choose the steam flow rate. [Water flow test] determines whether to detect the presence of condensate water during the test.
  • Page 31 K1100F User Manual V2.4 [Calibration coefficient] upon measuring samples, there will be system errors due to connection to different systems. To ensure accurate measurement, a deviation calibration coefficient is established to enable calibration by the user. [System time] is used to set up system time.
  • Page 32 K1100F User Manual V2.4 Fig. 5.5.30 Water flow test Choose [Water flow test] to display corresponding dialog box. Choosing [Yes], [OK] means the system will suspend the experiment in case no water is present in the condensate water tube during the test till the presence of water. Choosing [No], [OK] means there will be no alarm regardless of presence of water.
  • Page 33 K1100F User Manual V2.4 Distillation mode Choose [Distillation mode] to enter into choice interface, wherein there're two optional modes, distillation before adding alkali and distillation after adding alkali. For example, choose distillation after adding alkali, press [OK] to complete setup; choose [Back] to maintain original default mode return to the initial Setup interface.
  • Page 34 K1100F User Manual V2.4 Fig. 5.5.33 Discharge from digestion tube Choose [Discharge from digestion tube] to enter into choice interface; choose [Yes], [OK] to enable discharge from digestion tube after completion of test; choose [No], [OK] to disable discharge from digestion tube after completion of test; choose [Back] to maintain the original setting and return to the Setup interface.
  • Page 35 K1100F User Manual V2.4 Digestion tube cleaning Choose [Digestion tube cleaning] to enter into choice interface; choose [Yes], [OK] to enable digestion tube cleaning after completion of test; choose [No], [OK] to disable digestion tube cleaning after completion of test; choose [Back] to maintain the original setting and return to the Setup interface.
  • Page 36 K1100F User Manual V2.4 Fig. 5.5.36 Print mode Choose [Print mode] to enter into choice interface，choose[simple print]，the system will print related parameters one by one; choose [ordinary print]，the system will just print test results. See Fig. 5.5.37. Fig. 5.5.37 - 32 -...
  • Page 37 K1100F User Manual V2.4 Color calibration Choose [Color calibration] to enter into color calibration interface, wherein the color calibration is carried out with respect to the recognition of titration end-point color change. See Fig. 5.5.38 for the interface. Note: Note:...
  • Page 38 K1100F User Manual V2.4 Fig. 5.5.39 Titrator calibration Make the special receiver equipment ready before titrator calibration. Choose [Start] with respect to [Titrator calibration], the titrator to absorb fluid first, after alarming, the titrator pushes out a fixed volume of solution to the receiver equipment; then the input data of actually pushed out volume is obtained through weighing.
  • Page 39 K1100F User Manual V2.4 Fig. 5.5.40 Calibration coefficient Choose [Calibration coefficient] to enter into the following interface, wherein corresponding calibration coefficient is to be input. Press [OK] to enable calculation in the process of test based on the input coefficient. See Fig. 5.5.41.
  • Page 40 K1100F User Manual V2.4 System time Choose [System time] to display dialog box for time setting, and input right time. Press [OK] to complete time setting; [Back] to maintain original setting and enter into the original Setup interface. See Fig. 5.5.42.
  • Page 41 K1100F User Manual V2.4 Data transmission Choose [Data transmission] to enter into choice interface, choose [USB], the system will communicate with upper computer by USB. Choose [RS485], the system will communicate with upper computer by RS485. See Fig. 5.5.44 and Fig. 5.5.45.

  • Page 42: Automatic Test Of Samples

    K1100F User Manual V2.4 Help Choosing [Help] in the original interface will display interface as shown in Fig. 5.5.46. Fig. 5.5.46 VI. Sample Sample Sample Sample test test test test 1. 1. 1. 1. Reagent Reagent Reagent Reagent preparation preparation...
  • Page 43 K1100F User Manual V2.4 volume defined in a 1,000mL measuring flask; shake it till evenly mixed, and calibrate. （ 4 ） Standard solution of ammonium sulfate: take and dissolve 6.6065g dried ammonium sulfate (G/R) with distilled water, with volume defined in a 1,000mL measuring flask;...
  • Page 44 K1100F User Manual V2.4 Table I Relationship between standard titration acid to be chosen and nitrogen content in sample to be measured 3. 3. 3. 3. Test Test Test Testparameter parameter parameter parameter setup setup setup setup Molar concentration Nitrogen content in sample to...
  • Page 45 K1100F User Manual V2.4 The relationship between nitrogen content calculation and K value: × × − × (2)Measurement of standard sample Ammonium sulfate (purity level: at least A/R) may be selected as a standard sample for device calibration. Both liquid and solid samples can be used for measurement.

  • Page 46: Search Of Test Record

    K1100F User Manual V2.4 set the protein conversion coefficient to 0. Thus the obtained crude protein content will be 0 and there will be no crude protein content the report to be printed. VII. VII. Search Search Search of of of of test...

  • Page 47: Troubleshooting

    K1100F User Manual V2.4 6. In order to prolong the service life of the glass components, please clean it at least once after completion of work every day, i.e., 100mL water is added and evaporated for 5 min. 7. There may be bubbles in the pipeline of the piston pump, please remove it before experiment.
  • Page 48 K1100F User Manual V2.4 1.Insufficient solution in 1. Add solution in the solution tank , and solution tank; the pipette is located 2. Check the connectors above the level; for the pipeline are sealed; 2.The solution adding 3. Clean the solution...

  • Page 49: Supplements

    K1100F User Manual V2.4 X. X. X. X. Supplement Supplement Supplements s s s Supplement The device is warranted for a year from the date of purchase (subject to the date on the issued invoice) except for the following conditions: 1.
  • Page 50 K1100F User Manual V2.4 order to ensure accurate test results. 9. The device has been subject to test before delivery, thus it's normal for presence of residual solution. 10. It is suggested that the maximum solution volume in the digestion tube shall not exceed 2/3 of the capacity of the digestion tube.
  • Page 51 K1100F User Manual V2.4 Back Back elevation elevation elevation of of of of K1100 K1100 K1100 K1100F F F F Automatic Automatic Automatic Kjeldahl Kjeldahl Analyzer Analyzer Back Back elevation Automatic Kjeldahl Kjeldahl Analyzer Analyzer Fig.2 1. Level sensor of steam generator 2. Steam generator 3. Piston pump 4.
  • Page 53 Drawell International Technology Limited Chongqing Drawell Instrument CO,.Ltd Add:Suite 2705,Building No.12,Shiyou Road No.1,Yuzhong District, Chongqing,China Tel: 0086-023-63268643 Shanghai Drawell Scientific Instrument CO.,Ltd. Add: Suite 1117,Lane561 XiuChuan Rd.,PuDong New Area,Shanghai,China Web : www.drawell.com.cn Email : sales05@drawell.com.cn...

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