Operation Manual
Contents
1. Laboratory Equipment Manufacturer AN www mrelab com iNet o Operation Manual for Automatic Refractometers REF A61 62 PLEASE READ THIS MANUAL CAREFULLY BEFORE OPERATION 3 Hagavish st Israel 58817 Tel 972 3 5595252 Fax 972 3 5594529 mrciimrclab com MRC VER O1 9 12 Contents IL APPLEIGATIONS nitentes nada 0 I SPECIFICATIONS C ka as 2 IE WORKING PRINCIPLES EDS 3 I OPERATION iin dte pi ete ita 4 V MAINTENANGE u u u u Pet E tee 21 VL SUPPEEMENISzu uuu URSI EIUS 22 c 22 REF A61 REF A62 User Manual V1 0 Warning The instrument can not provide the designed protection for operators who do not follow the right procedures and requirements given by the manufacturer AN Warning All solutions must be handled with care according to the lab s safety regulation Please make a reference to the related material safety data sheet Wear the lab gown goggle and rubber gloves all the time Be care of hot reagents Warning Be aware of the risk of electric shock Only the trained professionals are permitted to open the face panel or back cover REF A61 REF A62 Applications REF A61 A62 Automatic Abbe Refractometer is an instrument that can measure the refractive index nD of the transparent or translucent liquids and the mass fraction Brix of the sucrose solution It offer2. User Manual V1 0 V Maintenance As this instrument is precision measuring instrument you should maintain it as per the following steps to guarantee its accuracy and to prevent impairment in use A Put the instrument in the dry and ventilated indoor when it is not used The difference in indoor temperature should not be great so as to prevent the instrument from mildew after damped B Before and after using the instrument and when changing sample you must firstly clean the working surface of the refractometer sample dish Clean the instrument after testing corrosive liquids It is forbidden to measure the strongly corrosion liquid E The instrument should be kept clean and it is forbidden to touch the prism surface with bare hand If there is dust on the prism surface sweep the surface with high quality suede or long fiber absorbent cotton If there is oil dirt on the surface promptly clean it with mixed solution of alcohol and ether F The shell plastic should be prevented from corrosive liquids to avoid instrument deformation G It is strictly forbidden to assemble the instrument without producer s permission Send it for repair when failure occurs oo 21 REF A61 REF A62 User Manual V1 0 VI Supplements The whole warranty lasts for one year from the date of product sale starting from the date on invoice but the following cases are not in warranty 1 The date over warranty period 2 Ihe damage caused by misu
3. git with blue background to edit the day note the digit of day shall be among 0 and 31 then day editing is completed The rest can be done in the same manner After second editing is completed press Confirm to complete time setting Press Communication Type to enter the following interface as shown in Fig 4 5 12 REF A61 REF A62 User Manual V1 0 Communication R5232 USB Fig 4 5 This interface offers selection of data output types RS232 USB You can choose suitable data output type Click corresponding button to complete the confirmation of output type Edit process after entering this interface the current communication type is selected After you click and edit the communication type the setting is completed Meanwhile the chosen communication type is displayed Press Calibration to enter the following interface as shown in Fig 4 6 13 REF A61 REF A62 User Manual V1 0 Fig 4 6 Press User Calibration and enter the following interface as shown in Fig 4 7 The measurements are staple in 2D Press confirm to compelet tha setting Current Temperature REF A61 REF A62 User Manual V1 0 Calibration process when the temperature is stable and around setting value as well as the measured refractive index is stable press Confirm to complete calibration Note if error occurs in the calibration or the instrument calibration fails press Factory Calibration and then Confirm to reset
4. n in Fig 3 Measurement Times Instruction to the functions in Fig 3 Measure measures displays and records data for one time at each press Measurement Times increases the measurement times by one at each Measure press Sample No displays the reference of test sample Current Temperature displays the current prism temperature t Sets the instrument according to different test requirements Provides current history data REF A61 REF A62 User Manual V1 0 Provides help when problems occur Please refer to user manual 3 Instrument System Setting After you press System Setting the following interface appears as shown in Fig 4 Fig 4 Instruction to the functions in Fig 4 Sets and edits the sample measurement times Edits the sample No Provides measurement type nD Brix Sets the instrument time 8 REF A61 REF A62 User Manual V1 0 Communication Mode Sets the data output type User calibration and factory calibration BEL AN Returns to the main interface Press Measurement Times to enter the following interface as shown in Fig 4 1 Fig 4 1 The measurement times is displayed in this interface and you can enter digits from 0 to 9 to change the times After changing the times press Confirm to complete the change After input you can see the changed digit is displayed in the interface according to your demand Press Sample No to ente
5. parent or translucent liquids is based on the zero angle measurement Firstly linear array CCD detects the imaging image and sends it to the microcomputer system for data process then the boundary in which the zero angle lies between light and shade is drawn finally the refractive index or degree brix of test sample is displayed in digits mn REF A61 REF A62 User Manual V1 0 IV Operation 1 Instrument View Front view 1 Lid 2 Sample slot 3 Touch Screen 4 Power switch 5 USB interface 6 SD card interface REF A61 REF A62 User Manual V1 0 Back view 1 Fan 2 USB interface 3 Power socket 4 PC serial port 5 Bath Interface available only in REF A62 2 Instrument Interface Make sure the prism surface is clean before start the instrument If there is residue on the surface do wipe it or the instrument correctness will be affected After you close the lid and connect the power supply the instrument starts The standby interface appears as shown in Fig 1 REF A61 REF A62 User Manual V1 0 Fig 1 After click on any location or wait for a few seconds the following interface appears as shown in Fig 2 Please wipe up leet dish Pheaase drop in the test solution 1 ml and close the lid After checking press eanfirm to enter test REF A61 REF A62 User Manual V1 0 Perform step check according to the requirements in Fig 2 After verifying press Confirm to enter the main operation interface as show
6. r the following interface as shown in Fig 4 2 REF A61 REF A62 User Manual V1 0 Fig 4 2 You can set the sample No in this interface and number the samples according to your demand which makes it convenient for you to find the data After input click Confirm to see the sample No according to your demand Press Measurement Type to enter the following interface as shown in Fig 4 3 10 REF A61 REF A62 User Manual V1 0 Magsurnarent nD Brix Fig 4 3 This interface offers the selection of measurement type nD refractive index of testing sample Brix brix of testing sucrose solution You can choose the suitable type by clicking the corresponding button Press Time Setting to enter the following interface as shown in Fig 4 4 11 REF A61 REF A62 User Manual V1 0 Setting YY MM DD HH MM 55 Fig 4 4 This interface offers display time setting too Edit the time according to your demand After editing press Confirm to complete time setting Edit process after entering this interface select the white digit with blue background to edit the year note the digit of year shall be among 1990 and 2100 then year editing is completed press Enter to perform month editing similarly select the white digit with blue background to edit the month note the digit of month shall be among 1 and 12 then month editing is completed press Enter to perform day editing similarly select the white di
7. s to save the data in the U disk make sure the U disk is plugged well and there is blank DATA TXT document in disk root directory 3 As to save the data in the SD card make sure the SD card is plugged and there is blank DATA TXT document in SD root directory 5 Help After you press Help in the main interface the following operation interface appears as shown in Fig 6 1 Stan the test after instrument diosa have baan on for more than five minutes 2 Seep up me dish before liquid basi 3 In tha taal press confirm after the test value is stabla Value to make sure ihe best accuracy Refer bo insiruclien manual to more inforrrestion Fig 6 Key BK returns to the previous interface 6 About After you press About in the main interface the following operation interface appears as shown in Fig 7 18 REF A61 REF A62 User Manual V1 0 Please refer to user manual Fig Key Back Returns to the previous interface 7 Upper Computer Communication The communication software interface of the upper computer is shown in Fig 8 19 REF A61 REF A62 User Manual V1 0 BLUE OCEA Fig 8 Instructions to keys in Fig 8 Connect is clicked after COM USB communication connecting method is confirmed Save Data Delete Selected Data Print Data Clear All Data You can save print or delete the test data transmitted from the instrument 20 REF A61 REF A62
8. s user friendly operation friendly full color interface accurate thermostatic control and mass data storage as well as quick stable and accurate automatic measurement The refractive index is an important optical constant and helps to know the optical property and purity of the substance As it can measure the mass fraction Brix 0795956 or refractive index 1 333 1 531 this instrument finds wide applications in petroleum oil medicine paint food daily chemical and sugar industries etc REF A61 REF A62 User Manual V1 0 Il Specifications Refractive index range nD 1 3000 1 7000 Measured value error nD 0 0002 Measurement resolution nD 0 0001 Range of sucrose solution mass fraction Brix 0 95 Measured value error Brix 0 1 Measurement resolution Brix 0 196 Temperature display range 0 50 C Temperature control accuracy 0 1 C Temperature resolution 0 1 C Temperature control Built in flow cell available only in REF A62 Instrument dimension 455mm 321mm 200mm Power supply 220 10 50Hz Rated power 60W Output interface RS232 USB SD card disk Instrument weight Kg 10 REF A61 REF A62 User Manual V1 0 Ill Working Principles 1 Principle Framework Refracting prisms and ij rest sample Displas Overall control vstetm s Power supply EN 2 Principles The principle of REF A61 A62 Automatic Abbe Refractometer s measuring the refractive index of the trans
9. se 3 The damage caused by dismantlement without manufacture s permission 4 The damage caused by improper transportation and storage VII Cautions According to the characteristics of automatic Abbe refractometer such as its high cleanness demands on sample slot and prism surface and temperature has great influence on the liquid refractive index the following advice are given for you to get more accurate data 1 Do check whether the sample slot is clean before each test to ensure there is no other residue 2 Reduce the difference between the ambient and setting temperatures as much as possible in setting temperature to accelerate the speed and stability of temperature control 3 When testing leave the liquor in the sample slot for a certain time and start measurement after the liquor temperature reaches the setting temperature value 22
10. to the factory data If you need to calibrate again just follow the calibration process 4 Data List After you press Data List in the main interface the following operation interface appears as shown in Fig 5 Fig 5 Instruction to the keys in Fig 6 Current Data records and displays the current measured sample data records and displays the previous measured sample data 15 REF A61 REF A62 User Manual V1 0 Press Current Data to enter the following interface as shown in Fig 5 1 Data Time Temperature Value Fig 5 1 Instruction to the keys in the Fig 5 1 Sends the data to the upper computer software in the LN communication type selected by the user Pages up the data Page Down Pages down the data Bint Saves the current data to the history data E Returns to the previous interface Note the maximum data storage is forty items in the current data interface 16 REF A61 REF A62 User Manual V1 0 Press History Data to enter the following interface as shown in Fig 5 2 Data Time Temperature Value Type Pages up the history data Pages down the history data Sends the history data to U disk Fl Sends the history data to SD card Returns to the previous interface Note 1 the maximum data storage is 1000 data in the history data interface the part excess 1000 shall be overlapped 17 REF A61 REF A62 User Manual V1 0 2 A
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