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Ultrasonic milk analyser

Operation manual

11.04.19

3/110

SAFETY INSTRUCTIONS

1. Read this manual carefully and make sure that you understand all the

instructions.

2. For safety purposes the device is equipped with grounded power

cable. If there is no grounded electrical outlet where the device will
be used, please, install such before using the device.

3. Place the device on leveled and stable plate. In case it falls or is

severely shocked it may be damaged.

4. Connect to the electrical network in such a way that the power cable

to stay away from the side for accessing the device and not to be
stepped on.

5. Every time before cleaning the device switch it off and unplug it from

the electrical outlet. The device has to remain unplugged till the
cleaning completion.

6. Do not disassemble the unit in order to avoid possible electrical

shock. In case of malfunction contact your local dealer.

7. Handle the liquids the device works with carefully, following all the

instructions for their preparation.

8. Place the switching adaptor in such a way as to be protected from

overflow and spillage of liquids.

Содержание LACTOSCAN SA

Страница 1: ...Ultrasonic milk analyser Operation manual 11 04 19 1 110 Milkotronic Ltd LACTOSCAN SA MILK ANALYZER LCD display 4 lines x 16 characters Operation manual...

Страница 2: ...other pasteurized milk CAUTION Keep the switching adapter dry Please read and follow strictly all the instructions in the manual Due to continuous improvement in the device information contained in t...

Страница 3: ...damaged 4 Connect to the electrical network in such a way that the power cable to stay away from the side for accessing the device and not to be stepped on 5 Every time before cleaning the device swit...

Страница 4: ...n the table below the milk analyzer spares and accessories which are delivered on customers request are listed Description a included in the set b not included in the set may be additionally bought It...

Страница 5: ...al 11 04 19 5 110 18 12 V Serial Printer Power Supply Cable LSSA018 1 19 RS232 Interface Cable Milk Analyser Serial Printer LSSA019 1 20 Carrying case LSSA020 1 21 Plug type 1 1 22 Spare O ring for th...

Страница 6: ...k analyzer is to make quick analysis of milk on fat FAT non fat solids SNF proteins lactose and water content percentages temperature o pH freezing point salts total solids conductivity as well as den...

Страница 7: ...g cow sheep UHT buffalo goat camel milk cream ice cream mixtures whey recovered milk etc before leaving the production facilities and the text on the display will be for the corresponding types as is...

Страница 8: ...erstood as 1027 3 kg m3 To determine the milk density write down the result from the display and add 1000 Example result 21 20 density 1000 21 20 1021 2 kg m3 The abbreviated form of the density is us...

Страница 9: ...ding chemical method used for component content determination In point 2 3 are used the following reference methods Gerber for fat gravimetric for SNF Kjeldahl for protein The boundary for maximum var...

Страница 10: ...nic milk analyser Operation manual 11 04 19 10 110 Fig 1 Front panel 1 pH probe option 10 Sample holder 2 printer option 11 Input pipe 3 keypad option 12 Hanger 4 Display 13 USB flash drive slot 5 9 B...

Страница 11: ...8 Serial printer interface RS232 2 Printer option 9 Waste solution output pipe orifice 3 pH probe option 10 Cleaning solution input pipe orifice 4 Weigh Scale input option 11 Switching adapter 5 AC ad...

Страница 12: ...Ultrasonic milk analyser Operation manual 11 04 19 12 110 Fig 3 Principle working scheme...

Страница 13: ...Ultrasonic milk analyser Operation manual 11 04 19 13 110 Fig 4 Connecting peripheral devices...

Страница 14: ...as per above scheme The coupling from the cable marked on the scheme with TO LACTOSCAN must be plugged in the computer If due to some reason is used an external cable USB to RS232 Converter usually w...

Страница 15: ...g USB interface is based on the element MCP2200 of the company Microchip Technology Inc site http www microchip com For establishing a connection through this interface a driver has to be installed fo...

Страница 16: ...r on the working place providing good ventilation and not in the vicinity of heat providing devices or sources The temperature in the premises has to be in the boundaries 10 30o C 3 2 1 2 Check if the...

Страница 17: ...n the device is ready for work the display shows Ready to start The analyzer is ready to make analysis in mode 1 normally Cow 3 2 1 6 If you want to pass to another mode press the button Enter and hol...

Страница 18: ...in the sample holder and the display shows the results For example Results F ff ff S ss ss D dd dd P pp pp L ll ll W ww ww Where F ff ff measured FAT in percentage S ss ss measured SNF in percentage D...

Страница 19: ...shown on a new page Page 3 Results xx xx is the measured milk sample s conductivity in mS cm If the results are outside the limits for this type of sample see table from the Appendix Conductivity mea...

Страница 20: ...2 Working with Printer SCHEME PRINTOUT OF THE RESULTS EXAMPLE Time xx xx xx Date xx xx xxxx Milk analyser 60 SN xxxxx Calibration 1 UHT Results Temp Sample C Fat xx xx SNF xx xx Density xx xx Protein...

Страница 21: ...hese chemicals the alternative is to use alkaline and acidic cleaning solutions for dairy equipment by one the companies producing such chemicals as for example http www diversey com http www ecolab c...

Страница 22: ...g procedures There are two ways of cleaning the analyzer embedded in it current and end final cleaning Pay attention to the pipes in both reservoirs The pipe in the reservoir with the cleaning solutio...

Страница 23: ...s embedded in the analyser system for measurement of the idle time The idle time is measured starting from the last action of the operator In dependence of it what the operator last did are taken dec...

Страница 24: ...and if you do not replace it or put an empty glass then the cleaning solution will be poured in front of the device After the cleaning is finished the displays shows the following End of cleaning Afte...

Страница 25: ...final cleaning 4 1 2 1 Final cleaning It is done with 3 acidic cleaning detergent for working solution preparation see 4 2 2 It is done daily Serves for cleaning the protein deposits from the measuri...

Страница 26: ...age appears on the display Put filled with Water glass and press Enter to Continue 2 Put a glass filled with water 3 The hose from the Waste pipe has to be placed in the vessel for waste liquids 4 Pre...

Страница 27: ...s Enter 5 Place glass filled with alkaline cleaning solution 6 The pipe coming from the orifice with inscription Waste Pipe has to be placed in the glass Fig 9 Cleaning 7 Pressing button Enter starts...

Страница 28: ...ss 12 Pressing button Enter starts the procedure for cleaning with acidic solution The following appears on the display Where X is changing number showing number of cycles done by the pump 13 After th...

Страница 29: ...cleaning effect it is recommended the cleaning solution to be preliminary heated up to 40 50 degrees centigrade Follows rinsing with water 4 Put a glass with water for rinsing the device Put filled wi...

Страница 30: ...Add the chemical and then again water up to 3 l Then follow the instruction for milk analyser cleaning 4 2 2 Preparation of acidic cleaning solution Preparation of 3 acidic solution of Lactoweekly for...

Страница 31: ...ur out the contaminated water Now the device is ready for work Please pay attention that when the analysers gives a signal for need of cleaning 15 min after the last measurement of real milk samples o...

Страница 32: ...sonic milk analyser Operation manual 11 04 19 32 110 4 3 Working with the peristaltic pumps There are two peristaltic pumps in the analyser 1 for the sample and 1 for the cleaning Fig 11 Peristaltic p...

Страница 33: ...Ultrasonic milk analyser Operation manual 11 04 19 33 110 Fig 12 Peristaltic pump SL 16...

Страница 34: ...ase check the following The sample is prepared according the instructions and there aren t air bubbles in it There is a real suction of the sample after starting measurement i e it is obvious that the...

Страница 35: ...on the accuracy of the milk analyzer making corrections and recalibration 6 2 Determination the type of the discrepancy 6 2 1 Making measurements Make measurements with different samples not less than...

Страница 36: ...0 3 00 3 80 4 60 5 20 when measured with the analyser 2 02 2 93 3 76 4 75 5 44 Difference 0 18 0 07 0 04 0 15 0 24 Conclusion It is obvious that the difference is variable value and recalibration have...

Страница 37: ...appears on the display Release button to start setup After releasing the button on the display is shown Setup Menu followed by possible to be entered by the operator menus Special modes Corrections S...

Страница 38: ...in the above pointed limits Leaving this mode means saving the correction value and activating it 6 3 3 4 Making verification After the corrections are made put the milk analyser in working mode and m...

Страница 39: ...ng the analyser in mode Recalibrate 6 4 1 1 Press the button Enter and without releasing it switch on the power supply of the device wait for the starting identification messages and release the butto...

Страница 40: ...parate sample parameters The following menu is displayed Cal1 Cow High FAT f ff Edit OK Next In this display the results received by using the corresponding reference methods from Appendix Methods for...

Страница 41: ...dit OK Next If you miss to enter some of the parameters of milk the following warning message will appear You Must Enter Values 00 00 Try Again Then you must press the button Enter and enter the misse...

Страница 42: ...boundaries 15 25 Before each milk measurement stir 2 3 times the milk sample by pouring it from one vessel to another The needed quantity is poured in the sample holder and it is put in the recess of...

Страница 43: ...ement After the 5th measurement appears the menu Recalibrated Power Off On This means that the calibration was completed successfully and the analyzer is recalibrated for cow milk marked as Cal Cow Sw...

Страница 44: ...rated For checking use the third sample with medium FAT content 3 Measure the milk 5 times in the mode you ve calibrated it In case that the device is not connected towards printer write down the resu...

Страница 45: ...tarting identification messages and to release the button after the following message appears on the display Release button to start setup After releasing the button on the display is shown MA Setup F...

Страница 46: ...measurement in this mode the operator has to put a sample holder containing milk sample in the recess of the analyzer and to press the button Enter 7 2 1 2 Cycle mode Fast cycle mode Mode Cycle serve...

Страница 47: ...the old one factory calibration This is necessary in case that you ve calibrated the device for cow milk but after that the device is not measuring correctly and you decide to restore the factory cal...

Страница 48: ...ings Page2 Set Calibr Name Select High Fat HFSpeed for Cal Result Precision PCB Main Identi Larg Res En Dis Exit Now there is a possibility one of the following options to be set 7 2 3 4 1 Larg Res En...

Страница 49: ...tion speed during calibration Please pay attention to the fact that switching off the power supply cancels this command action 7 2 3 4 4 Reslt Precision Serves for setting the precision of the measure...

Страница 50: ...names With button Exit to leave the menu With button Edit to edit the new calibration name If a name from the preliminary given names list is chosen the display shows Cal1 Sheep UHT Exit Yes Next Ther...

Страница 51: ...y edited calibration name and to save it in the device The program returns to the beginning of the menu for setting calibration names 7 2 3 5 Set Base FrPnt Through this menu you have the possibility...

Страница 52: ...4 2 Ultrasound Test for the ultrasonic system Used in production conditions 7 2 4 3 Set Amplitude Serves for ultrasound amplitude adjustment It is used under production conditions or by the customer a...

Страница 53: ...zer Setup Special modes Calibration Cycle Reports Shut Down Corrections Calibration 1 Fat SNF Density Lactose Salts Proteins Water Calibration 2 Fat SNF Density Lactose Salts Proteins Water Calibratio...

Страница 54: ...Calibr 3 Rest Calibr 1 Rest Calibr 2 Rest Calibr 3 Fan Temp Offs Settings Page2 Final clean cnt Auto Print Res Larg Res En Dis Set Calibr Name Option Select Sel Pump Speed Speed for Cal 1 Speed for C...

Страница 55: ...Prn pH Co Meter pH Calibration pH Measuring pH En Disable pH U Display pH Test U V Co Meter Calibr Co Meter Test Co Meter En Dis Accessories Weight scale Raw Test Calibration Measure On Line En Dis B...

Страница 56: ...lk from 0 1 up to 9999 9 liters with accuracy up to 0 1 l Entering these data is done before starting the measurement For that purpose 1 Press the button Enter on the keyboard and the display will sho...

Страница 57: ...ing Loading way easy Cutting way divulsion dentiform Printer performance Print method Direct thermal print and auto paper feed Printing density 384 dots line 8 dots mm Printing width 48 mm Max Printer...

Страница 58: ...er of paper roll 30mm Physics Specification Environment adaptability 0 55 20 55 10 90 RH Storage temperature 25 70 10 90 RH Dimension W H D mm 103mm 57mm 57mm Fig 12 Printer control panel 1 Printout 2...

Страница 59: ...tched on with switching on the device After finishing the measuring procedure the results are automatically printed out If there is a need of repeated printing of the same results the operator has to...

Страница 60: ...towards it Connect it via cables delivered by the company producer If the printer is connected directly to the electrical network then the analyser and the printer should be connected to one and the s...

Страница 61: ...ttings Page2 Option Select SelPumpSpeed HFSpeed for Cal By which the device passes in a mode of measuring high fat samples This calibration mode is active till the power supply of the device is switch...

Страница 62: ...rical network the analyzer automatically starts working with power supply from the battery Possible working modes with battery 1 The analyser is powered by the battery works normally the display shows...

Страница 63: ...OFF Line measuring mode In case there is discrepancy noticed you need to make scales calibration as is described below 9 7 2 Weighting delivered milk The procedure is analogous to work when entering...

Страница 64: ...lue on the display across Net is changing The operator has to wait the scales to be set at rest and press the button The display shows the following Net xx xxx kg Tare yy yyy kg Totl zz zzz kg 0 Tare...

Страница 65: ...dure is repeated for every deliverer When the milk collecting vessel is full pour its content in the cooling tank Place it back on the scales and press again the button for new tare calculation 9 7 3...

Страница 66: ...from the scales to the analyser after setting the deliverer s number If option Enable is chosen follow the way of work described above If not then the operator has the possibility to enter manually l...

Страница 67: ...RS 232 towards IBM PC On the basis of Fat and SNF and liters calculated from kilograms received from Weight Scale or entered directly delivered the system calculates Rate Fat FatCo SNF SNFCo 1 Amount...

Страница 68: ...t Coeffs After the working shift is over the operator has the possibility to print out Short or Large Shift Report User has possibilities to reject selected deliverer number from report Reject Deliv N...

Страница 69: ...ements to be stored Reject Deliv N measurement for selected Deliverer Number are excluded from reports Reject meas for Del N Del last Meas deletes the archive from the last measurement If this command...

Страница 70: ...BM PC LPT OK IBM PC Lines On Page determines the number of lines in one page for Large Report Lines on Page 64 OK Empty Lines Bot determines the number of empty lines at the bottom of page Empty Lines...

Страница 71: ...ements the same after real measurement Print meas for Del N The operator has to enter the number of the deliverer whose results want to be printed again If there are no results from a deliverer with s...

Страница 72: ...35 Average SNF 4 76 Large Report makes detailed report for each sample separately for the chosen calibration Rep for Calibr on the chosen device Sel Out Device Report can be send to LPT or IBM PC via...

Страница 73: ...elector user selects which name Shift 1 or 2 enter from IBM PC will be printed in the header of each list from LPT report Using the program LS SetReports exe see its description the operator has the p...

Страница 74: ...he advantage of this option is that on the print out with the measurement results are shown also the exact time when the measurement is made for example The embedded clock is controlled by the device...

Страница 75: ...he Led stop blinking and then remove the flash drive from the analyser Data collected from measurements are saved in MS Excel file The name of the file is formed by the date when the measurement is ma...

Страница 76: ...rms of storage and processing of the measurement results The Flash Drive is used as memory for storing the results Having in mind the memory volume necessary for storing the results from one measureme...

Страница 77: ...Flash Drive On practice this operation is invisible for the operator does not take additional time and the operator has the possibility to start servicing the next deliverer After arriving in the bas...

Страница 78: ...of the analyzed components Methods of milk samples preparation for calibration For milk sample with middle value of the analysed components we recommend to use milk taken from not less than 10 animal...

Страница 79: ...e sample from one vessel to another in order to distribute the milk components evenly paying attention not to form foam in the sample When the samples are stored for a longer period it is recommended...

Страница 80: ...ted There are several formulas with different applicability When the Total Solids and fat are known SNF is calculated by subtracting the fat percentage from the Total solids SNF Total Solids F Where T...

Страница 81: ...alts SNF 0 083 Where SNF solids non fat content in percentages 0 083 constant coefficient B for sheep milk Salts SNF 0 075 Where SNF solids non fat content n percentages 0 075 constant coefficient Thi...

Страница 82: ...milk analyser Operation manual 11 04 19 82 110 Where SNF solids non fat content in percentages 0 475 constant coefficient This is an actual coefficient for sheep breeds on the territory of the Balkan...

Страница 83: ...he average reading for your region is called basic freezing point The freezing point of milk is a physiological constant This does not mean that it will not vary In fact feed breed season time of lact...

Страница 84: ...alc Base FrPo FrPo FrPo AddedWater Where FrPointBase is the basic freezing point FrPointCalc is measured freezing point Note If the freezing point is not correctly determined the result for the added...

Страница 85: ...enter correct basic freezing point in the device The device s results for added water may give information about doubt of added water in the milk and the exact value of this added water may be determi...

Страница 86: ...p containing a suitable storage solution covers the glass membrane 2 2 Electrode care Electrode maintenance pH Electrodes are susceptible to dirt and contamination and need to be clean regularly depen...

Страница 87: ...ort The reference electrolyte used should be 3M Mol KCl Replace the rubber sleeve 2 7 Re use the electrode Rinse the liquid junction with de ionized water If these steps fail to restore normal electro...

Страница 88: ...procedure outlined below 2 10 Rejuvenation Procedure Dip and stir the electrode in freon or alcohol for 5 minutes Leave the electrode in tap water for 15 minutes Dip and stir the electrode in concent...

Страница 89: ...20 C 4 00 30 C 4 00 40 C 4 00 50 C 4 05 4 pH Electrode Calibration pH Electrodes are like batteries they run down with time and use As an electrode ages its glass changes resistance For this reason el...

Страница 90: ...ambient calibration temperature and the more the pH departs from 7 the greater is the pH error pH temperature error table C pH 2 3 4 5 6 7 8 9 10 11 12 5 30 24 18 12 06 0 06 12 18 24 30 15 15 12 09 06...

Страница 91: ...e pH electrode in solutions of fluoride ion at low pH This will etch the glass membrane Sulphide vapors can permeate the electrode wick and contaminate the reference element Minimize contact in such e...

Страница 92: ...13 Removing the stopper 3 Carefully place the pH probe paying attention not to remove the sealing O ring 4 Place the probe with the nut in the hole and tighten it It is very important to close the nut...

Страница 93: ...Ultrasonic milk analyser Operation manual 11 04 19 93 110 Fig 14 Placing the probe...

Страница 94: ...itional feature of the analyser and is optional Remove the protective rubber cap of the pH electrode Take care to handle it appropriate in order not to be damaged Use de ionized or distilled water to...

Страница 95: ...e sensor and then the power supply of the device Having in mind the characteristics of the process of pH measuring it is necessary to dip the probe in the sample and then to press the button Enter Aft...

Страница 96: ...as Low buffer for example 3 00 pH and High buffer for example 7 00 pH Follow the procedure Please use this procedure only if you have enough calibration buffers as they could not be used more after th...

Страница 97: ...ws pH Calibr Put Izopot buff Buf xx xxx V x xxxV Set Where x xxxxV is the measured in the probe voltage 5 Press the button Set when the readings stop moving 6 Repeat the procedure with Next buffer and...

Страница 98: ...and on the display the following is shown pH measuring x xxxV y yy pH Exit Where x xxx measured by the probe voltage y yyy measured probe s pH By pressing the button Exit the operator may exit the pro...

Страница 99: ...e display shows PHUDisplay XXX No OK Yes Where XXX is the current state of the displaying mode By pressing the buttons below the inscriptions it could be changed as Yes means that during pH measuring...

Страница 100: ...salts Increase the ion s concentration Milk conductivity increases Increase the ion s concentration Milk conductivity increases Often the milk is falsified by adding salt towards milk with good charac...

Страница 101: ...ystem calibration Clean the analyzer before starting conductivity measurement see p 4 1 You need a standard buffer with conductivity 5 02 mS cm you may order it for delivery together with the analyser...

Страница 102: ...t on again the analyser has to be cleaned again with water which ends the calibration of the conductivity measurement system calibration Note Another possibility for calibration of analyzer s conducti...

Страница 103: ...ed below the By using buttons Up Down the operator has the possibility to change the value number By pressing the button Enter the operator confirms the chosen value and moves to the next position for...

Страница 104: ...th 1 l volume paying attention all its content to be emptied For standard buffer 5 02 ms 3 056 5 Add 600 700 ml distilled water which was preliminarily deaerated in vacuum dryer or boiled and then coo...

Страница 105: ...ING THE MEASUREMENT 16 3 2 1 PREPARING THE ANALYZER FOR WORKING MODE 16 3 2 2 MAKING ANALYSIS 17 3 2 3 DISPLAYING THE RESULTS 18 4 CLEANING THE ANALYZER 21 4 1 AUTOMATIC CLEANING THE ANALYZER 21 4 1 1...

Страница 106: ...HE ANALYSER 60 9 1 CONNECTING TO 12 V DC POWER SUPPLY 60 9 2 CONNECTING TO IBM PC 60 9 3 CONNECTING ADDITIONAL SERIAL PRINTER OPTION 60 9 4 CONNECTING MATRIX PRINTER OPTION 60 9 5 MEASURING HIGH FAT S...

Страница 107: ...LECTROLYTE PREPARATION 87 2 7 RE USE THE ELECTRODE 87 2 8 ELECTRODE CLEANING 87 2 9 ELECTRODE ACTIVATION 88 2 10 REJUVENATION PROCEDURE 88 2 11 ELECTRODE LIFESPAN 88 3 BUFFER SOLUTIONS 89 4 PH ELECTRO...

Страница 108: ...Ultrasonic milk analyser Operation manual 11 04 19 108 110 7 CONDUCTIVITY CALIBRATION BUFFER PREPARATION 103 CONTENTS 105...

Страница 109: ...CARD LACTOSCAN SA Automatic model Guarantee period is 1 one year after purchasing date Improper handling transport and storage will invalidate the guarantee Guarantee is void if warranty labels are r...

Страница 110: ...RD Purchaser Service report Service entry date Damage Delivery date Signature Covers Lactoscan SA Last edited 29 03 2019 HEAD OFFICE 4 Narodni Buditeli Str 8900 Nova Zagora BULGARIA Phone Fax 359 457...

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