Milkotester MASTER Touch, Operating Instructions Manual

Page 1: ... device Model MASTER Touch Fat Solids Non Fat SNF Protein Lactose Water content Temperature C Freezing point Salts Density pH THE INFORMATION CONTAINED IN THIS MANUAL IS A SUBJECT TO CHANGE WITHOUT NOTICE FOR UPDATES PLEASE CONTACT THE MANUFACTURER OR USE THE FOLLOWING WEB ADDRESS http www milkotester com ...

Page 2: ...ged When plugging the device into the electrical outlet put away the power cord so it does not stay in the way when accessing the device and cannot be stepped on Do not disassemble the device in order to avoid possible electrical shock In case of malfunction contact your local dealer Handle the liquids the device works with carefully following all the instructions for their preparation CAUTION Thi...

Page 3: ... and options 19 4 5 Measurement of pH 22 4 6 Measurement of Conductivity 25 4 7 Automatic weighting the milk with scales 26 4 7 1 Control options when working with scales 26 4 7 2 Preparation for work and checking the scales 26 4 7 3 Weighting delivered milk 27 5 Cleaning and maintenance 28 5 1 Routine cleaning 28 5 2 Complete flushing 29 5 3 Weekly cleaning 29 5 4 Peristaltic pump service 29 6 Tr...

Page 4: ...and a user friendly interface Most importantly the one button operation is extremely simple you press only once to start measuring you press only once for cleaning MILKOTESTER MASTER can analyze three types of milk defined by user The measurement speed is 50 samples per hour with cleaning included The samples are precisely dosed and small quantities are required the sample volume is 25 cm No therm...

Page 5: ...ULTRASONIC PORTABLE MILK ANALYZER www milkotester com 5 Operating Instructions Master Pro 2 1 Front panel 1 Intake pipette 1 Close up view IN THIS CHAPTER Front panel Display Rear panel CHAPTER TWO ...

Page 6: ...ULTRASONIC PORTABLE MILK ANALYZER www milkotester com 6 Operating Instructions Master Pro Close up view 2 2 Display MENU TABLE SHEEP MILK CAL2 COW MILK CAL1 UHT MILK CAL3 CLEAN Ph MEASURE ...

Page 7: ...erating Instructions Master Pro 2 3 Rear panel 1 Serial port to printer 5 pH connector active only on request 2 USB PC connection 3 Power in socket 12V DC 14 15V DC for model with Accumulator 6 USB Flash Drive active only on request 4 Power switch 4 6 6 1 3 5 ...

Page 8: ...nd do not return it to the vessel Samples can be kept for a maximum of 2 days if they are stored at a temperature not exceeding 5 С Milk stirring It is a very important condition for receiving exact results Before taking samples from big vessels the milk fresh or thermally treated whole milk or whipped has to be well stirred for no less than 5 min by vertical and circular slow movements Mixing spo...

Page 9: ...es Milk raw and thermally treated When examining samples taken immediately before analyses and shortly stored the milk is poured several times from vessel to vessel in order to distribute the fat content uniformly To avoid foam formation or separation of milk fat the samples have to be carefully poured using the walls of the vessels as they are tilted slightly For a better mixing the sample it has...

Page 10: ... 3 Turn on the POWER switch and MILKOTESTER MASTER will be ready for use Before proceeding with using the unit please read and follow the rest of the instructions in this chapter Powering by an external 12V DC power source Milk analyzer MASTER can be used in places where no regular electrical supply is available MILKOTESTER MASTER can be powered by your car battery or other 12V DC external power s...

Page 11: ...he electrical lighter socket inside your vehicle 3 The device will be turned on immediately After starting the unit goes into system check mode and will be ready for analyses in about 5 minutes NOTE If the unit does not start up after it is connected to the power source check the fuse inside the connector plugged into the electrical lighter socket 4 2 MEASURING SAMPLES After MILKOTESTER MASTER is ...

Page 12: ...H probe the automatic mode for pH measurement must be turned on When you choose the desired type you use the UP and DOWN arrow buttons and then press ENTER to activate analyzing The following text will appear In about 60 90 sec the results of analyzing will appear on the display as follows MEASURING X MILK CAL X Please Wait Customer Liters FAT X X SNF X XX DENSITY X X PROTEIN X X LACTOSE X X SALTS...

Page 13: ...ll continue to show the measured values until a new analysis is initiated WARNING Make sure that the instrument is at rest during analysis Any shaking of the device will cause inaccurate results NOTE Due to the possible presence of water inside the flow system left from the last flushing procedure we recommend that you do not take into account the first analysis after flushing if they appear inacc...

Page 14: ...s than 3 with known values of a separate parameter for example fat content determined by the known reference methods of analyses for example Gerber s method for determination of fat content For more accuracy it is recommended among these samples to be also such with values close to the lowest and highest bounds for the measured parameters Make 5 time measurement for each of the samples Calculate t...

Page 15: ...0 3 80 4 60 5 20 М when measured with the analyzer 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 to be done MENUTo select Mode Options or Settings use the up and down arrows and press ENTER MENU Mode Default password is 00000 4 3 1 Correction Enter password 00000 Factory Options CAL2 Mode CAL1 Sett...

Page 16: ...re If you choose correction and press ENTER then use the up and down arrows and press ENTER to select the type of milk After choosing the type of milk press the component for correction Press ENTER to validate the correction or BACK to keep the previous value 4 3 2 Calibration MENU Mode Calibration COW MILK CAL 1 SHEEP MILK CAL 2 UHT MILK CAL 3 THERMOMETER BACK FAT SNF DENSITY PROTEIN LACTOSE SALT...

Page 17: ...pe of milk The following text will appear on the display FAT X X FAT X X SNF X XX SNF X XX DENSITY X XX DENSITY X XX PROTEIN X X PROTEIN X X LACTOSE X X LACTOSE X X SALTS X X SALTS X X Select HIGH or LOW Fat Value and select a parameter Then input value ENTER to confirm By performing the procedure described above enter the known values of the parameters of the milk with low percentage of Fat After...

Page 18: ...wing text appears on the display The sample of milk with low Fat must be measured 5 consecutive times Put the first cup with the sample and press ENTER After measurement the following text appears on the display Follow the procedure until the 5th measurement After performing the last measurement the following text appears on the display Put sample High Milk 1 5 times and Press ENTER Put Sample Hig...

Page 19: ...he samples should be in the range of 15 to 25 degrees Before starting calibration it is recommendable to back up the parameters of the existing calibration MENU Mode Back up Choose the type of milk calibration for back up and press it In case of unsuccessful calibration electricity cut temperature range etc choose Restore from the MENU to validate the last backed up calibration and press Enter MEN...

Page 20: ...s changed If you use this option you will need a sample with water Read the manual for change of the sensor MENU Mode Res d point 4 4 Settings and options MENU Options Choose Options and press ENTER MENU Options System info Choose System info Language or Time and Date and press ENTER xx x xx xx SYSTEM INFO LANGUAGE TIME AND DATE PC CONNECTION BACK ...

Page 21: ...te MENU Options PC connection It is used for factory settings MENU Options Printer En Dis It is used to turn the printer on and off MENU Options Fast start It starts the measurement irrespective of the ambient temperature used in hot weather MILKOTESTER Model MASTER LM2 Ver x xx SN XXXXXX English Spanish Set time Set date Printer On Printer Off Enable Disable ...

Page 22: ...of milk and press ENTER The following text appears on the display Use Up and Down arrows to enter the new value and Press Enter to confirm After dialing the last symbol press ENTER to confirm the new value 4 5 Measurement of pH MENU Settings Set pH active only on request Set pH Set Fr Point Set pH Set thermometer Conductivity Set f Point Cal 1 Set f Point Cal 2 Set f Point Cal 3 Set Fr Point 0 540...

Page 23: ... 149 0 60 0 48 0 36 0 24 0 12 0 0 12 0 24 0 36 0 48 0 60 75 167 0 75 0 60 0 45 0 30 0 15 0 0 15 0 30 0 45 0 60 0 75 85 185 0 90 0 72 0 54 0 36 0 18 0 0 18 0 36 0 54 0 72 0 90 T ºC pH 0 4 01 7 12 9 52 10 4 00 7 06 9 38 20 4 00 7 02 9 26 25 4 01 7 00 9 21 30 4 01 6 99 9 16 40 4 03 6 97 9 06 50 4 06 6 97 8 99 60 4 10 6 98 8 93 70 4 16 7 00 8 88 80 4 22 7 04 8 83 90 4 30 7 09 8 79 MENU Settings Set pH...

Page 24: ...he buffer stabilize the reference value should change the least possible Press Enter to set the value The following text will appear on the display Dip the electrode into the high value buffer solution and make sure that the junction zone of the electrode is at least at 30 mm below the surface of the buffer solution and leave it at rest Now you have to enter the known value of the high buffer solu...

Page 25: ...t pH pH Mode The milk analyzer has two modes of work manual and automatic They are selected from MENU Settings set pH pH mode Choose pH mode and press ENTER Under the manual mode the milk sample is put under the pH probe then you press the pH button and the measurement will last without interruption until the pH button is pressed again In order to measure pH the device must be in a working conditi...

Page 26: ...ermometer Press Enter and the following text will appear on the display Put a sampe of water with temperature 15 and press ENTER The following text will appear on the display Repeat the procedure with a sample of 25 C 4 6 Measurement of Conductivity MENU Settings Conductivity active only on request pH result X XX Cow Milk Sheep Milk UHT Milk Put probe 15 C and press ENTER Put probe 25 C and press ...

Page 27: ...en 3 to 5 5 mS cm 25 C Buffalo between 2 5 to 5 5 mS cm 25 C These values depend on the geographical region the breed and on other factors Milk conductivity changes on the concentration of ions in the milk Conductivity calibration Menu Settings Conductivity Calibration Co meter Following message is displayed Serves for conductivity measuring system calibration Clean the analyzer before starting co...

Page 28: ... the results by pressing up after measuring 4 7 Automatic weighting the milk with scales active only on request Scales could be connected towards the milk analyzer which to be used for weighting the delivered milk before measuring its parameters For using the scale the operator has to follow up the two procedures Preparation for work and checking the scales Weighting delivered milk Calibration Mea...

Page 29: ...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 liters and number of the every deliverer 4 7 2 Preparation for work and checking the scales Put the scales on round and solid surface and level it using its helical legs Checking the scales is done by using 2 standards of weight light...

Page 30: ...mple measuring and the rest of the milk pour in the milk collecting vessel placed on the weighting scales Now the value on the display across Net is changing The operator has to wait the scales to be set at rest and press the button Enter The operator has to place the sample holder filled with milk sample in the milk analyzer and to start the measurement The milk analyzer measures the sample and s...

Page 31: ... is more than 30 minutes or a considerable number of measurements have been performed the device begins to issue continuing beep sounds At the same time the message Cleaning needed appears on the display Please carry out the following procedure 1 Fill up a sample cup with clean warm water 40 С and place it on the sample shelf under the pipette Cleaning and maintenance IN THIS CHAPTER Fast cleaning...

Page 32: ...f the working day the following procedure should be performed The daily cleaning of the milk analyzer is done with water heated to 40 C and cleaning solution Master Daily Press th e button Clean select Daily cleaning and follow the instructions The procedure Daily cleaning could be also used during work in interval of 2 hours 5 3 Weekly cleaning We recommend that you carry out the following proced...

Page 33: ...rting measurement milk sample in the sample holder decreases In other case there is damage in the suction system The sample temperature is high Sucked overheated sample The sample temperature exceeds the maximum permissible sample s temperature The temperature of box is high Analyzer temperature has exceeded acceptable at work Recommended ambient temperature to 35 degrees Celsius Error 11 Fault in...

Page 34: ... Fat SNF Protein Lactose Water content Temperature C Freezing point Salts Density 2 Ranges of measurement Fat 0 00 25 SNF 3 15 Density 1015 10 40 kg m3 Proteins 2 to 7 Lactose 0 01 6 Added water 0 70 Sample temperature 1 С 40 С Freezing point 0 3 0 7 С Salts Conductivity 0 4 1 5 2 10 mS cm Technical specification CHAPTER SEVEN ...

Page 35: ...t 0 08 SNF 0 1 Density 0 3 kg m3 Proteins 0 1 Lactose 0 1 ADDED Water 3 0 Sample Temperature 1o C Freezing point 0 005o C Salts 0 05 Air temperature from 10 C to 40 C Relative humidity from 30 to 80 Electrical parameters AC Power supply 95 250V DC Power supply 12V active only on request pH 0 05 Conductivity 0 1 3 Dimensions W D H 110 260 205 mm 5 Weight 3 1 kg 1 Milk sample volume per 1 measuremen...

Page 36: ...of the raw milk in the most regions is at about 0 540 С The 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 lactation climate whether the sample is taken at the beginning middle or end of lactation all these factors will have an effect on the freezing poi...

Page 37: ...n authentic milk samples obtained as specified in the АОАС METHODS After determination the freezing point of your sample via the milk analyzer the added water is calculated using the following formula 100 int int int Base Calc Base FrPo FrPo FrPo AddedWater Where FrPointBase is the basic freezing point FrPointCalc is measured freezing point Sample First variant If you ve entered for milk analyzer ...

Page 38: ...ortant to 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 determined after a cowshed sample is taken and the result for the freezing point measured by the milk analyzer of the cowshed sample is entered as basic freezing point in the formula for calculatio...

Page 39: ...ctive only on request Printer mechanism easy loading type Printing method Thermal line dot printing Paper width 57 5 0 5mm Printing density 8dot mm 384dot line Printing speed 50mm s or 20line s Printing width 48mm Feeding speed 50mm s or 20line s Power DC 5V 3A 1 On Off 2 FEED Button 3 Power LED 4 Cover opening 2 1 4 3 ...

Page 40: ...ow the steps below 1 Connect the provided power out 12V DC cable to the POWER OUT 12 V for printer socket on the rear panel of MILKOTESTER MASTER 2 Plug the jack on the other end of the cable into the matching socket on the back of the printer 3 Connect the provided serial cable to printer to the Serial port to printer on the rear panel of MILKOTESTER MASTER 4 Connect the other end of the cable to...

Page 41: ...fore to switching on the device Usually computers contain one COM PORT so the connection with the analyzer is trough COM1 Port is used to connect with the program MASTER DATA BANK which is included in each CD supplied with the ordered set First step is to use the CD that comes with any device When started the CD appears in picture and you have to click INSTALL on the Microsoft NET Framework and af...

Page 42: ...ll be ordered in the table In checking filling the box AUTO SAVE the program keeps the data automatically as Microsoft Excel file in new computer directory in My documents Hint If the document in Excel is not in correct values you have to change the system separator from to from comma to full stop sign This you can change form Excel options menu EXCEL OPTIONS ADVANCED SYSTEM SEPARATOR where the de...

Page 43: ...e installed from the CD supplied with each analyzer and it forms own COM PORT For example if your computer has not got RS port the USB will form COM 1 If there is RS on your computer the USB will form COM 2 if your computer have 10 communication ports then the USB connector will create COM 11 and etc Accumulator The device from Master Pro and Master Touch series can work with accumulator on custom...

Page 44: ...otester Ltd 49 Hristo Botev St 4470 Belovo BULGARIA MILKOTESTER MASTER 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 removed Distributor Serial No Signature Date of purchase Stamp ...