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Kett AN-820, Operating Manual

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Summary of Contents for AN-820

Page 1: ...Near Infrared Grain Tester AN 820 Operating Manual ...

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Page 3: ...ure 11 6 11 Measurement 11 6 21 Average Display 13 6 3 1 Setup the Display Conditions 14 6 3 2 Setup the Indication Range 15 1 Protein CM Display 16 6 41 Bias Adjustment 16 1 Manual adjustment mode 17 2 Automatic adjustment mode 19 7 Time settings 21 8 Communication 22 9 Replacment for lamp 23 10 Cleaning 24 Appendix Guidelines for using AN 820 with maximum accuracy 25 ...

Page 4: ...nalysis technology It employs total grain measurement formulas for measuring without crushing the sample grain to pieces so it makes it possible to analyze grain quickly and easily By utilizing tungsten lamp grating system and NMOS photo diode array detector and the result is that we are able to achieve high stability 1 Features ...

Page 5: ...it Parts names Cover Contrast adjustment control Key functions Cover Printer output port Serial output port RS 232C Power cable connection Power switch Fuse holder Measurement chamber Display Rear side Front side ...

Page 6: ...le case Power cable Sampling cup Fuse Operating manual Operating Manual Near Infrared Grain Tester AN 820 Standard samples Brown rice Milled rice Storage container for standard samples Standard samples Storage container ...

Page 7: ... H mm Weight 13kg Accessories Power cable 1pc Sample case 1pc Sampling cup 1pc Fuse 1pc Operation manual 1pc Standard samples Brown Rice Milled Rice 2pc per each Storage container for standard samples 1pc Option Printer model VZ 330 100V 220V Note AN 820 should be used below 35 in environment condition If the environment temperature is over 50 the precision spectroscope would be damaged And The AN...

Page 8: ...m Return key Press this key when you want to return to a previous screen or when you want to invalidate a selected item Scroll key Press this key when you are selecting an item at the top of the screen or when you want to increase or decrease a numerical value Function key Press this key when you will use a function that was specially set up at the top of the screen ...

Page 9: ...Serial number Time AB01234 Communication VER 1 00 2 0 0 9 0 5 3 1 2 3 5 9 Operation Display Explanation 1 Plug the power cable into this unit and connect it to outlet 2 Turn the power switch ON which is located rear side Initial screen will be displayed means turn ON means turn OFF In case that the screen isn t Showing or is hard too see ad just the Contrast set dial on the bottom of unit by turni...

Page 10: ...stment Serial number Time AB01234 Communication VER 1 00 2 0 0 9 0 5 3 1 2 3 5 9 Application 1 Short Brown Rice 2 Short Milled Rice 3 H Moist Short B R 4 R F R B G 5 R F R TWR 6 Long Brown Rice 7 Long Milled Rice 8 Select the application Application 1 Short Brown Rice 2 Short Milled Rice 3 H Moist Short B R 4 R F R B G 5 R F R TWR 6 Long Brown Rice 7 Long Milled Rice 8 Select the application Measu...

Page 11: ...le into the sample case S t r o n g l y t a p t h e bottom of the sample case approx 10 times in order to make the sample settle firmly Add additional sample if thre is empty space at the top Never open the cover during Measurement Measurement of built in standard is in progress Measurement of sample grain is in progress Five different parts of sample grain should be measured at one measurement Re...

Page 12: ...e operating environment is either higher or lower than the permissible range This message appears when the temperature of the sample is either higher or lower than the permissible range This message appears when the temperature in Spectropho tometer is over 45 and the power is forcibly turned off In this case the instrument should be cooled down by leaving it under airy place until it reached to t...

Page 13: ...ort Brown Average Number of measurement times 1 Q E V 7 5 Protein 6 2 Protein CM 1 5 0 6 1 Protein DM 7 2 Moisture 1 4 1 Amilose 2 1 1 Displaying the average Operation Display Explanation 1 When performing repeated measurements the number of times measured increase 1 9 Following the 9th measurement the counter will automatically reset and start over at 1 In addition at the times when you press the...

Page 14: ...VER 1 00 2 0 0 9 0 5 3 1 2 3 5 9 Display Application 1 Short Brown Q E V O N Protein OFF Protein CM O N Moisture 1 5 5 Protein DM OFF Moisture O N Amilose O N Indication range Change the setting Operation Display Explanation 1 By using keys select the Display setting 2 Press the key And select a item you want to change by using keys In case Display is ON 3 Press the key and select either the Displ...

Page 15: ...isture Upper limit 2 0 0 Lower limit 1 0 0 Amilose Upper limit 4 0 0 Lower limit 1 0 0 Select the item Indication range Application 1 Short Protein Upper limit 1 2 0 Lower limit 0 4 0 Moisture Upper limit 2 0 0 Lower limit 1 0 0 Amilose Upper limit 4 0 0 Lower limit 1 0 0 Change the setting Operation Display Explanation 1 By using keys select the Indication range setting 2 Press the key 3 By using...

Page 16: ...doing other things to throw off the results 1 Protein CM Display CM Constant Moisture basis AN 820 s protein content shows the percentage contain in terms of whole grain including moisture This altenative is convenient at times when you are for example calculating the weight of protein inside grain that was measured But when you compare proteins among many different moisture is contained there are...

Page 17: ...e s values as standard samples A B C Protein of standard sample 6 8 5 6 7 4 Average of satandard sample s 6 8 5 6 7 4 3 6 6 Calculate BIAS value BIAS value AV standard samples AV measurements 0 4 6 6 6 2 0 4 is diecided as BAIS value BIAS procedure is shown on the next page When you can not prepare more than one standard sample In order to perform accuracy and successful bias adjustment we recom m...

Page 18: ...on 1 Short Brown BIAS Protein 0 0 2 Moisture 0 0 1 Amilose 0 0 1 BIAS Auto adjustment with STD sample Change the setting Adjustment Application 1 Short Brown BIAS Protein 0 0 2 Moisture 0 0 1 Amilose 0 0 1 BIAS Auto adjustment with STD sample Select the item Measurement Application 1 Short Brown Display Adjustment Serial number Time AB01234 Communication VER 1 00 2 0 0 9 0 5 3 1 2 3 5 9 Operation ...

Page 19: ...5 3 1 2 3 5 9 Operation Display Explanation 1 By using keys select the Adjustment setting 2 Press the key and select Automatic adjustment by using keys 3 Press the key W h e n y o u w a n t t o a d j u s t individual composition values use keys and change the highlighted composition Then press the key Using keys you will be able to revise the values When they are to your selection press the key Wh...

Page 20: ...maged If it get dirty measure after wiping the dirt off of it In case that the sample is damaged you would be replaced new standard sample Operation Display Explanation 4 After confirming both composition values are correct and press the key Never open the cover during Measurement Measurement of built in standard is in progress Measurement of sample grain is in progress Five different parts of sam...

Page 21: ...splay Adjustment Serial number Time AB01234 Communication VER 1 00 2 0 0 9 0 5 3 1 2 3 5 9 Operation Display Explanation 1 By using keys select the Time setting 2 Press the key And select item by using key 3 Press the key And change bias value by using keys While you press the key you can increase and decrease the values quickly with keys 4 Press the key If you want to set another choices repeat o...

Page 22: ...rement Application 1 Short Brown Display Adjustment Serial number Time AB01234 Communication VER 1 00 2 0 0 9 0 5 3 1 2 3 5 9 Operation Display Explanation 1 By using keys select the Communication setting 2 Press the key Select YES by using keys If the YES is selected RS 232C port which is located rear side on chamber is available to use PC 3 Press the key T h e i n i t i a l s c r e e n w i l l b...

Page 23: ...n Display Explanation 1 Turn the power switch OFF means turn OFF 2 Remove cover behind main body by loosing two screws 3 Remove lamp connector 4 Remove two lamp fix screws 5 Put new lanp into the correct position and fix two lamp fixing screws Connect lamp connector and put cover and two cover screws Note Whenever the lamp is replaced Bias adjust should be done ...

Page 24: ...remely dirty wipe with wet cloth Note Do not use any volatile chemicals such as a thinner or benzene Note While measurement is in progress some grain sample may be spilt out and is dropping on the tray of the bottom of AN 820 From time to time remove the tray and dump spilt sample grain ...

Page 25: ... valid period of time concerning the life of the standard sample and try to use extremely new grain as the standard sample Note Don t freeze standarad sample and put them in freezing cold strage are like a freezer 4 Measure the standard sample More than half a day before performing the measurements take standard sample out of the cold dark area and put it in the same environment as AN 820 After th...

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