Milkotester MASTER Touch Operating Instructions Manual
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Milkotester MASTER Touch Operating Instructions Manual

Milk analyzing device, fat, solids-non-fat snf, protein, lactose, water content, temperature degrees c, freezing point, salts, density, ph
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Milkotester Ltd.
49, Hristo Botev St., 4470 Belovo, BULGARIA, Phone: +359 889 259 646
MILKOTESTER
Milk analyzing 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

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  • Page 1 49, Hristo Botev St., 4470 Belovo, BULGARIA, Phone: +359 889 259 646 MILKOTESTER Milk analyzing 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.
  • Page 2 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com CAUTION! This device operates on 100-250V. In order to avoid electrical shock or to prevent the unit from damage DO NOT REMOVE the cover! Please follow the instructions in this manual ! Safety recommendations : •...

  • Page 3: Table Of Contents

    ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com Table of contents 1. General description ............... 4 2. Close-up view ................5 3.1 Front panel ................. 5 3.2 Display ................6 3.3 Rear panel ................. 7 3. Samples preparation ..............8 4. Working description ..............10 4.1 Preparing the device ............

  • Page 4: General Description

    With regard to the “moisture problem” which remains of much significance the front panel of the device is designed to operate when with wet hands. In addition to this MILKOTESTER MASTER provides a one year’s full warranty. Operating Instructions Master Pro...

  • Page 5: Close-Up View

    ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com CHAPTER TWO Close-up view IN THIS CHAPTER Front panel Display Rear panel 2.1 Front panel 1 – Intake pipette Operating Instructions Master Pro...

  • Page 6: Display

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

  • Page 7: Rear Panel

    ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com 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- 6 – USB Flash Drive...

  • Page 8: Samples Preparation

    ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com CHAPTER THREE Samples preparation In order that most accurate results are obtained it is important that the milk be kept for 2 hours after milking and stirred well before being used for sample material. A good way to stir up the milk is to pour it several times out of one vessel into another and back.
  • Page 9 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com In summer the sample fills up to the top the vessel, but in winter – at least 3/4 from the vessel’s volume. Each sample for analyses has to be labeled and described in a way not allowing to be mixed up.

  • Page 10: Working Description

    “Important Safety Instructions”). 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...

  • Page 11: Measuring Samples

    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 turned on from the POWER switch, the display reads first: Master Pro Touch Followed by:...
  • Page 12 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com You can choose among three types of milk at a time, (upon user’s request the device can be calibrated for any of the other types of milk). Place the cup with the milk sample Place a second milk sample under the pH probe (the automatic mode for pH measurement must be turned on).

  • Page 13: Making Corrections And Calibration

    ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com The results will be printed immediately after they are ready if the printer is in automatic mode. If the printer is in manual mode, pressing the UP will cause printing results. Changing modes is done by Menu ->Settings->Printer En/Dis...
  • Page 14 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com corresponding reference method of analyses (Gerber for fat, Kjeldahl for proteins etc). In order to establish the possible discrepancy and to correct the readings of the milk analyzer do the following: Taking samples and preparation of samples for checking the accuracy...

  • Page 15: Correction

    ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com Conclusion: the difference is relatively constant value and correction is possible to be done with – 0,2 % If the differences are not a constant value it is necessary recalibration to be done. For example.

  • Page 16: Calibration

    ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com Example: MENU > Mode > Correction > Cow milk > Fat. In Submenu Mode select (press to select) Correction, Calibration, Back up or Restore. If you choose correction and press ENTER, then use the ↑↓ (up and down) arrows and press ENTER to select the type of milk.
  • Page 17 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com In order to perform calibration of the device for a certain type of milk /for example – cow milk/. You need two samples of milk with known values of their parameters – one with comparatively high percentage of Fat and one with comparatively low percentage of Fat.
  • Page 18 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com Put sample High Milk 1/5 times and Press ENTER The sample of milk with high 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:...
  • Page 19 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com Follow the described above procedure. After the end of the 5 measurement the calibration procedure is complete. Please note: Before each sample measurement stir the milk by pouring it from one vessel to another. The temperature of the samples should be in the range of 15 to 25 degrees.

  • Page 20: Settings And Options

    ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com MENU > Mode > Security>Sensor reset Use only if the sensor is 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 xx.x...
  • Page 21 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com MILKOTESTER Model: MASTER LM2 Ver: x.xx SN: XXXXXX MENU > Options > Language. Language: English Spanish MENU > Options > Time and Date Time and date: Set time Set date MENU > Options >PC connection It is used for factory settings MENU >...

  • Page 22: Measurement Of Ph

    ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com MENU > Settings Choose Settings and press ENTER. Set Fr. Point Set pH Set thermometer Conductivity MENU > Settings > Set Fr. Point. Set f. Point Cal.1 Set f. Point Cal.2 Set f. Point Cal.3 Choose Set Fr.
  • Page 23 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com Table of errors of pH measurement according to ambient temperature: ºC ºF 0,30 0,24 0,18 0,12 0,06 0,06 0,12 0,18 0,24 0,30 0,15 0,12 0,09 0,06 0,03 0,03 0,06 0,09 0,12 0,15 0,15 0,12 0,09...
  • Page 24 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com Remove the protective cup of the electrode. Dip the electrode into the low 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 “low”...
  • Page 25 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com The pH electrode must be calibrated on a regular base in order to obtain high accuracy results of the measurement. For calibration use buffer solutions with values as close as possible to the pH values of the milk samples.

  • Page 26: Measurement Of Conductivity

    ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com pH result: X.XX Press the EXIT button to stop measurement of pH and enter the mode: Cow Milk Sheep Milk UHT Milk Now you can start measuring the other components of milk. MENU > Settings > Set Thermometer Press Enter and the following text will appear on the display: Put probe 15°...
  • Page 27 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com Method of determination. Conductivity (or Electrolytic Conductivity) is defined as the ability of a substance to conduct electrical current. It is the reciprocal of the resistance. In a healthy animal*, the mean value of electric conductivity is:...

  • Page 28: Automatic Weighting The Milk With Scales

    ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com MENU > Settings > Weighing scale Calibration Measure Scale ON/OFF MENU > Settings > Printer En/Dis Printer auto En - Automatic printing of results after each measurement. Printer auto Dis - Hand printing the results by pressing "up" after measuring.
  • Page 29 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com 4.7.1 Control options when working with scales Menu ->Settings-> Weighing scale Calibration – serves for scales calibration (if there is deviation noticed). For the purpose you have to have 2 standards of weight, for example 10 and 50 kg.
  • Page 30 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com Data: Net: xx.xx Tare: xx.xx Client: 1234 Totl: xx.xx 0-Tare Net – weight of the poured milk of the current deliverer. Tare – tare's weight (weight of the milk collecting vessel collected from the previous deliverers, if there is such in the vessel Total –...

  • Page 31: Cleaning And Maintenance

    ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com CHAPTER FIVE Cleaning and maintenance IN THIS CHAPTER Fast cleaning Daily cleaning Weekly cleaning For high accuracy and reliability of the device, the following cleaning procedures should be performed on due times. Fast clean Daily clean...

  • Page 32: Weekly Cleaning

    ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com Press “clean” to initiate the flushing procedure. The device automatically takes in the necessary amount of water and then returns it back into the cup. This is repeated 5 consecutive times and after that the cup has to be removed from the sample shelf.

  • Page 33: Troubleshooting

    The temperature temperature has temperature to 35 degrees of box is high exceeded Celsius. acceptable at work. - Needs replacement of the sensor. Contact Milkotester Error 11 Fault in sensor Ltd for advice and assistance. Operating Instructions Master Pro -33-...

  • Page 34: Technical Specifications

    ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com CHAPTER SEVEN Technical specification 1. Measured components: • Fat • Solids-Non-Fat (SNF) • Protein • Lactose • Water content • Temperature (° C) • Freezing point • Salts • Density 2. Ranges of measurement: 0.00% ÷ 25% 3% ÷...
  • Page 35 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com * To determine the milk density, add 1000 to the result from the display. Example: Result = 22; density = 22+1000 =1022. 3. Accuracy: 0.08% ± 0.1% ± Density 0.3 kg/m ± Proteins 0.1% ±...

  • Page 36: Appendix Freezing Point Determination

    ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com Appendix Freezing point determination 1. Methods for determination. The milk analyzer determines the freezing point of each sample and the quantity of added water. The milk analyser does not measure the freezing point, but calculates it from the components it depends on.
  • Page 37 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com determined North American average of –0,5404°C), below which there will be at 95% confidence that will show 99% of all freezing point determinations on unwatered milk: “if the freezing point is –0,525°C or below, milk may be presumed to be free of water or may be confirmed as water free by tests, specified below.
  • Page 38 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com If you’ve entered for the device basic freezing point –0.540°C, measured freezing point –0.540°C, the milk analyzer will indicate 0%. When you add 3,8% water, the device will indicate 3,8%-added water. From the above mentioned follows that it is very important to enter correct basic freezing point in the device.
  • Page 39 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com Appendix Internal printer (active 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:...

  • Page 40: Connecting To Printer

    MILKOTESTER MASTER can be connected to an optional serial printer for printing out the results. MILKOTESTER MASTER is set to work only with printers supplied by Milkotester Ltd. We warn you that the unit is not set to work with other types of printers.

  • Page 41: Pc Connection

    User guide for PC connection of the milk analyzers from Master Series Milkotester milk analyzers usually operate with two type communication port – RS232 COM and USB 2.0 connecto It is recommended always to connect the RS connector to the analyzer before to switching on the device.
  • Page 42 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com After successful installation, connect the milk analyzer with USB cable and turn it ON. The program works as below described way: Starting the software, the following window will appear: In the down right corner of the window you can see the COM PORT that is connected milk analyzer.

  • Page 43: Accumulator

    USB connector will create COM 11 and etc.. Accumulator The device from Master Pro and Master Touch series can work with accumulator on customer’s request. Those devices have special 15 V power supply and need to be charged 12-13 hours.
  • Page 44 ULTRASONIC PORTABLE MILK ANALYZER www.milkotester.com Milkotester 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.

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