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1. The moisture reading may be adjusted for each individual channel by using the up I aand down arrow keys This bias facility is used as follows 1 Determine the average adjustment needed Compare at least 3 different samples Display Shows 2 Switch on I I I 3 Press and hold CAL AUTO 4 Enter Password and press P The Analyzer rings if the wrong password is entered b Select channel c Press H20 After 5 seconds the moisture result is displayed 10 91 5 a Fill measuring cell with sample I 7 If the average adjustment needed is 0 3 press aarrow three times so that the display reads I T Press and hold ib bu and this displays the 9 IV CALIBRATION ADJUSTMENTS kg hi channel number that has been adjusted Release the key and the display will show the adjustment that has been made 10 CALIBRATION ADJUSTMENTS Note When the instrument leaves the factory the password is 123 However this can be changed as explained in Section Vi 4 In order to check to see whether a channel ha s been adjusted proceed as follows Display Shows Iv 2 1 Switch on I C 0 0 2 Press and hold AUTO 3 Select channel e g Number 1 4 Press ib bu kg hi 0 0 means that no adjustment has been made HECTOLITRE BUSHEL WEIGHT CAL In the same way as moisture readings can be matched to oven test results or some other test e g merchants moisture analyzer the hectolitre b2. and pour the fixed volume of sample using the loading hopper into the Sample Cell Remove hopper Any sample remaining on the cell cap should be brushed of f into the sample cell d Select channel and press 1b bu kg hl The hectolitre bushel weight reading will be displayed after 5 seconds Note Always remember to select the correct channel The hectolitre bushel weight readings can be adjusted for individual commodities Section IV 2 so that they read the same as reference samples In order to change from hectolitre to bushel weight units and vice versa see Section VI 2 Changing Default Settings To repeat the test repeat steps a to d The nature of the operation means that every time 1b bu kg hi is pressed the sample packing successive tests on the same sample it is important to reload the sample first 111 5 USING THE PRINTER a Print Format An example of the printer output format is as follows b HOW TO START THE PRINTER c Connect the Printer Cable to the RS232 Port on the left hand side of the Moisture Analyzer Connect D type connector of the cable to the input of the Serial Printer Switch on Printer Switch on Moisture Analyzer Press and hold CAL display shows CAL AUTO Press TEMP key display shows P on Means printer on Press CAL display shows HI AUTO The printer has now been activated and when H20 and other measurements are selected the results will be prin
3. the male and female interfaces are cleaned with fethanol or a similar solvent using a piece of kitchen towel or other soft material The female interface is located on the underside of the cell 3low away any dust from the seal around the male interface 21 It can be changed as follows If you have more than one Analyzer be sure to use each sample cell only with the instrument with which it was supplied Each Analyzer is individually calibrated with its own sample cell Ensure that both the instrument and the sample cell display the same serial number the serial numbers are located on the bottom of the instrument and on the underside of the sample cell 21 b Serial Number Dimensions 325mm x 164mm x 120mm Weight 1 8kg Operating Environment Temperature 0 to 55 deg C Storage Temperature 20 deg C to 55 deg C Humidity up to 95 non condensing Construction Polyurethane Reaction Injection Moulding Display 3 5 character LCD 15mm high Power Supply Four C size 1 5 volt alkaline batteries Processor Intel 80031 microprocessor Memory EPROM and RAN Measurement Range 1 35 moisture wet basis depending on applications Printer Output RS232 C Accuracy Typical standard deviation 0 3 for moisture dependent on application and moisture level and 1 0 for hectolitre bushel weight Repeatability Standard deviation 0 05 to 0 15 dependent on application Weight Balance Osc
4. the presence of stones dirt weeds seeds admixture chaff or other foreign matter 111 2 MEASURING SAMPLE TEMPERATURE Sample temperature can be measured by pressing TEMP when the sample is in the measuring cell If the sample temperature is very different from the ambient temperature leave the sample for 30 seconds in the cell before you press the TEMP key Alternatively keep on pressing the TEMP key until a stable temperature is displayed 111 3 USING THE AVERAGE MOISTURE CONTENT FACILITY A maximum of 254 samples can be averaged If the AVER key is held down the display will show the number of measurements that have been made e g 3 When this key is released the average moisture content will be displayed e g 10 6 The average can be reset to zero by switching the analyzer off and on or by changing channels 111 4 MEASURING RECTOLITRE BUSHEL WEIGHT Th order to use this facility a SinarTM Th Hectolitre Bushel Weight Measuring cylinder is required This ensures that the correct volume is used a Fill the measuring cylinder using the hopper ensuring the cylinder is over filled Note Never pour the grain directly into the cylinder The rate at which the grain fills the cylinder is critical and the loading hopper must be used at all times b Remove the hopper and strike of f the excess sample from the cylinder by closing the metal slider Pour away the excess sample c Open the metal slider
5. 3 I As the only moving part in the instrument the weight balance generally needs resetting more often than the other 2 sensors For this reason there is a quick procedure to reset the weight balance only Ensure the cell is empty and hopper removed Display Shows Switch on HI 20 Press and hold CAL AUTO L can Enter password 1 a and press P 16 Weight VI 4 Press and hold L AUTO H CAL 5 Press 0 and press and hold I I P until analyzer bleeps 1 11 6 Add a 180 gram sample to the cell Press 1 and press and hold P 1 until analyzer bleeps 20 This completes the resetting of the weight balance only Switch analyzer off and on reload the 180 gram sample and and check theib bu reading to ensure it is 64 5 1 kg hl kg hi 2 CHANGING DEFAULT SETTINGS The following options are available a Hectolitre or bushel weight readings b Temperature C or F c Baud rate setting of 300 or 4800 d High or low frequency moisture measurement The procedure to change from one default setting to the other is as follows Display Shows 1 Switch on HI 2 Press and hold CAL AUTO 3 Enter password and press P P 17 Weight 4 Press CAL AUTO 5 Press CAL SEt again I AUT CO PA TEMP In this mode the following keys have specific functions When thi s key i s hel d down the display changes from USA to Euro or vice versa In Euro units the readings are C
6. SINAR AP MOISTURE ANALYZER USER MANUAL Read all instructions prior to operating your Sinar AP Moisture Analyzer Whenever using this unit remember to follow the appropriate operating procedures For your reference record Serial Number Purchase Date Date Registration Card Mailed Version 2 0 13th May 1993 CONTENTS Page I INTRODUCTION 1 II BASIC PRINCIPLE OF OPERATION 1 III OPERATING INSTRUCTIONS 2 111 1 Measuring Moisture Content 2 111 2 Measuring Sample Temperature 4 111 3 Using the Average Moisture content facility 5 111 4 Measuring Hectolitre Bushel Weight 5 111 5 Using the Printer 6 IV CALIBRATION ADJUSTMENTS 10 IV 1 Moisture Content 10 IV 2 Hectolitre Bushel Weight 11 V CALIBRATION TRANSFERS 12 VI KARDWARE SECTION 14 VI 1 Set up Checks 14 VI 2 Changing Default settings 18 VI 3 Replacement of Batteries 20 VI 4 Changing the Password 20 VI 5 Routine Maintenance 21 VII SPECIFICATION 23 VIII MAIN PARTS ILLUSTRATION 25 IX CROSS SECTION OP SAMPLE CELL 26 APPENDIX I Error Code Sunmiary 27 Version 2 0 13th May 1993 The performance of this Moisture Analyzer is dependent on the correct use and instrument care by the customer It is important to check the calibration both commodity and hardware periodically and if necessary make adjustments following the procedure in this manual The commodity calibration can be checked by comparing the Moisture Analyzer results against reference samples
7. TO c heck that the instrument is set up correctly when the sample cell is empty The procedure is as follows Display Shows 1 1 Switch on 1 2 Press CAL AUTO AUTO After 5 seconds A 000 This indicates that for the empty sample cell test the weight and Capacitance are within the limits The first two zeros are capacitance checks The third 0 is the chec k of the empty cell weight NB If the display shows anything other than f A 000 then the instrument needs to be reset 14 Weight a Procedure for Resetting Hardware Ensure cell is empty and hopper removed Display Shows 1 Switch on HI 2 Press and hold CAL AUTO 3 Enter password I ws I andpressP ee J Press and hold AUTO H CAL 5 Press and hold AVER until analyzer bleeps TEE 1 I 1j 6 Fill the cell with a 180 gram capacitance reference sample eq 28 1 Allow 1 minute for the cell and sample temperature to equalise 7 Enter Reference Value eg 28 1 Press 2 I 000 20 Press 7 Press aonce I I I 281 I Press 1 Press lb bu kg hi 28 1 I 15 Weight Enter Temperature Insert thermometer probe into grain and note reading eq 21 0 C Press 2 2 Press 1 21 Pres s 0 210 Press TEMP 21 0 Press and hold E20 until analyzer 2 bleeps 2 2 This completes the hardware resetting Now check the temperature weight and capacitance b Resetting the Weight Balance Only I
8. ding in a few seconds It works accurately on products with moisture content ranging from approximately 1 to 35 depending on the application The instrument incorporates 3 sensors 1 Capacitance The moisture in a sample absorbs the electrical energy between the walls of the sample cell The electrical signal known as Capacitance increases with the moisture content of the sample and the size of the sample 13th May 1993 III INTRODUCTION This oscillating weight balance which was developed from space technology uses frequency measurement to determine mass weight in grams The weight is measured by reference to a frequency which varies with mass and is detected through an electro magnetic system and processed by the computer This weighing technique offers flexibility in sample size allowing the use of samples between 20 and 240 grams Temperature Correction The capacitance of a sample increases with temperature A temperature sensing thermistor is mounted in the sample cell and the microprocessor carries out an automatic correction The capacitance corrected for weight and temperature is known as the instrument reference reading but in practice it is commonly referred to as the capacitance value OPERATING INSTRUCTIONS 111 1 MEASURING MOISTURE CONTENT a Place the hopper on the sample cell ensuring the hopper slider is in the closed position b Pour the sample into the hopper ensuring t
9. e g oven tested samples please ensure that tested samples are based on the correct oven test specification If the hectolitre bushel weight facility is used the results should be checked against reference samples and if required the readings can be adjusted following the procedure detailed in this manual Version 2 0 13th May 1993 II Version 2 0 The Sinar AP Moisture Analyzer houses the latest moisture measuring technology in a compact portable package it has been designed to provide fast moisture results using whole grain samples In addition to moisture content the AP measures sample temperature and has facilities for hectolitre bushel weight tests Each instrument is pre calibrated for up to seven commodities either chosen from a standard package of programmes or selected from Sinar s calibration library The calibration of any product can be optimised using a bias facility moisture and hectolitre bushel weight The Sinar TM AP Moisture Analyzer is one of a family of 4 Moisture Analyzers All 4 models have a facility to transfer and receive calibrations from each other Either new commodities can be transferred or existing calibrations can be updated with new information BASIC PRINCIPLE OF OPERATION The design concept of the Sinar AP Moisture Analyzer is based on the simultaneous sensing of Capacitance weight and temperature of the sample being tested providing a corrected moisture rea
10. erature correction will be accurate If the sample temperature is very different from ambient then leave the sample for 30 seconds in the cell before the measurement or until a stable temperature reading is reached If the sample is too small to reach the sensor then care should be taken that the instrument and sample have approximately the same temperature The minimum weight of sample is 20 grams below this weight the display will show Err 0 after H20 is pressed g h J k If the sample cell is not correctly mounted the display will show Err after H 0 is pressed If this appears on the display remount sample cell firmly on to the interface Switch the Analyzer of f and then on again before proceeding with your work Samples as high as 50 C can be measured but do not leave the instrument in direct hot sunlight Clean the sample cell with a soft brush or with a cloth dampened with methanol NEVER USE WATER Take care not to damage the flexible temperature sensor If you have more than one Analyzer do not interchange sample cells Each Analyzer is individually calibrated with its own sample cell for greater accuracy Ensure that both the instrument and the sample cell show the same serial number the serial numbers are located on the bottom of the instrument and on the underside of the sample cell The SinarTM 1M AP Moisture Analyzer has been calibrated using clean samples Accuracy can be affected by
11. for temperature and kg hi for specific weight i e hectolitre weight In USA units the readings are F for temperature and lb bu for specific weight i e bushel weight AVER When this key i s held down the baud rate changes from 300 to 4800 or vice versa When this key is held down the analyzer changes from high to low frequency measurements or vice versa It is always possible to say what frequency is 94 0 being used as soon as the analyzer in switched on I F Low Frequency H L 3 High Frequency js High frequency moisture measurements improve the performance of the analyzer at higher moisture values e g 20 for cereals Please be aware that unless specifically requested all SINARTM Th calibrations are designated for low frequency testing 1lb b When this key is held down the u display changes from nor to 180r or kg h vice versa When 180r is displayed A this fixes the sample weight that will be used in the moisture calculation 18 Weight Battery Low The alkaline batteries in your Moisture Analyzer should last for at least 8 000 readings or one years regular use Battery Low Indicator Should the batteries begin to fail a warning signal will appear when the instrument is switched on I bitt oMadl continue to flash on and off for a few To Replace the Batteries 1 Remove the sample cell from the instrument 2 Unscrew the battery cover from the underside of the instru
12. he amount used will not exceed level A see Section IX when the cell is filled Experience will tell you how much of each product type you need See point c in Notes on Instrument Use c Tap slider upwards to allow the sample to flow through the hole and into the cell d Remove hopper Check that the cell is not overfull If the sample is heaped on one side refill sample cell again Any sample remaining on the cell cap should be brushed off into the sample cell 2 Oscillating Weight Balance e Switch on Analyzer by pressing HI f Press channel number 1 7 e g 2 2 g Press H 0 Moisture content will be displayed after 5 seconds e g 14 5 h Remove the sample cell and empty it Notes on Instrument Use a b c d e Do not tap or shake the filled sample cell as this will change the packing density If the product does not flow freely through the hopper then fill the cell by pouring the sample over the cell cap Do not fill directly into the bottom of the cell A small sample which does not reach the lower edge of the plastic cell cap can be used because the weight balance corrects the moisture measurement for the weight of the sample However the calibration curve of each product is created with full sample cells as this gives the highest accuracy The flexible temperature sensor below the plastic block in the cell should be in contact with the sample so that the temp
13. her SinarTM TM Moisture Analyzers This facility is extremely useful for updating calibrations and also for providing a calibration for testing a new commodity The following instructions relate to communicating with other AP Analyzers only Details of communications with 11 IV other CALIBRATION ADJUSTMENTS models are included in manuals 12 their respective user IV CALIBRATION ADJUSTMENTS In order to transfer one calibration to an AP analyzer proceed as follows Display Shows 1 Ensure both units are switched of f 2 Connect the calibration transfer cable to the P2232 port on the left hand side of the Moisture Analyzers I HI 3 Switch on both units T For both 5 Enter instruments Password and press P 4 6 Press Hold down 1 AUTO CAL AUTO 1J By this stage both units should be displaying c A CO PA This is known as the communication mode Ok I 7 Pres s Channel number e g 1 This contains the 1 I calibration curve to be transferred to the other AP Analyzer I On the Sending Unit 8 Press U20 On the Receiving Unit 9 Pres s Channel number eg 7 in which new calibration is to be installed 10 Press AVER On the Sending Unit On the Receiving JO Unit I 7 12 IV CALIBRATION ADJUSTMENTS After 6 seconds both units will display The transfer is now complete units and remove cable When the transfer is completed To transfer all 7 cal
14. ibrations to both units another AP Moisture Analyzer will display Both units displaying VI HARDWARE 1 On the sending unit press SECTION H20 VI 1 SET UP CHECKS 2 On the receiving unit press z AVER Switch off both Sending unit changes to CO PA Out In Out Las PASS Receiving unit changes to To check that the instrument is in good working order the three sensors i e Temperature Weight and Capacitance should be checked as follows Temperature Pour the sample into the cell and leave for 30 seconds so 13 IV CALIBRATION ADJUSTMENTS that the sample and cell temperature are in equilibrium Check temperature of grain using an accurate thermometer Switch on instrument and press TEMP The two readings should not differ by more than 1 5 C 14 IV CALIBRATION ADJUSTMENTS The weight balance is checked using a sample that weighs 180 grams Any 180g sample should read 64 5 kg hI 1 0 when 1b bu is pressed kg hi i e between 63 5 and 65 5 The weight balance should be reset if 180 g weighs less than 63 5 kg hi or greater than 65 5 kg hi Capacitance This is checked using a capacitance reference sample With the sample in the cell press 0 and then press H20 The result should be no greater than 0 6 from the value of the capacitance reference sample If any of these measurements are out of tolerance the instrument should be reset As a daily check the Q key can be used to AU
15. illating weight balance which also operates in non horizontal po sition Measures and corrects for weights be tween 20 240 grams Temperature Correction Thermistor sensor connected to microprocessor The c orrection is software programmable Temperature rea d out and c orrection 0 50 deg C 22 V TE MNI AL SPECIFICATION Full Cell 290m1 volume Bias Facility Moisture content and hectolitre bushel weight readings can be biased in increments of 0 1 Temperature C or F Specific Weight Hectolitre or Bushel weight readings 23 V TE MNI AL SPECIFICATION VIII MAIN PARTS ILLUSTRATION A ss IopPER S HOPPER SLIDE TEMPERATURE SENSOR BLOCK amp O SAMPLE CEL E SAMFLE CELL MOUNTING ON INTERFACE WEIGHT BALANCE F OARD WEIGHT BALANCE COVE 24 V DIGITAL DISPLAY K E YB TE MN AL SPEC CAT 25 ON TE MNI AL SPECIFICAT f 1 _ TEMP SENSOR CELL CAP V ON For optimum reading the cell should be filled to level A bottom of the plastic cell cap The sample should not cover the plastic cell cap or inaccuracies will be introduced Smaller samples are allowed and give slightly lower accuracy The minimum sample is 20 g 25 Ix CROSS SECTION OP SAMPLE CELL ERROR CODE SUMMARY Erro
16. ment 3 Remove the old batteries and replace with four standard 1 5v alkaline batteries Size C MN 1400 or equivalent BE SURE TO INSERT BATTERIES THE CORRECT WAY ROUND AS MARKED IN THE BATTERY COMPARTMENT 4 Replace the battery cover Important Always use alkaline batteries for longer life and better storage If you are not going to use the moisture analyzer for some time remove the batteries from the instrument VI 4 CHANGING THE PASSWORD The password can be changed to prevent unauthorised changes being made to the instrument When the instrument leaves the factory the password is 123 19 I 3 REPLACEMENT OF BATTERIES Display Shows 1 Switch on C 2 Press and hold Q AUTO 2 3 Enter password 123 and press P P A 4 Press and hold Q AUTO 5 Press again AUTO 6 Enter new password 3 digits of I your choice if necessary use x Z arrows i e if you want to use 8 or 9 in the password 7 Press ib bu enters new password kg hi into memory I 8 Switch off and on Check new N KX password 0 a e I I H CAL Write down new password in appropriate place and make known to authorised personnel only If the wrong pas sword is entered the analyzer will ring try entering the correct password again 20 It can be changed as follows VI 5 ROUTINE MAINTENANCE t is important that on a monthly basis or more frequent depending on the sperating environment
17. r Code n Explanat d ion Recomme p d Err 0 Err 1 Sample weight too low Sample cell not correctly mounted Use larger sample greater Err 5 Err 2 Capacitance reading is too high over 100 Check hardware If necessary scale by Err 3 scale by Capacitance ch anging too high at a 28 reading is low Own moisture capacitanc Chec k hardware e If necessary 26 Act ion than 20g Remount sample cell firmly on to the interface changing byte down 28 capacitance Check cabl e and start again Replace the batteries APPENDIX Err 4High moisture reading at low capacitance reading Capacitance reading is too low for t he calibration curve i e SM C would be negative Err 6 CommuniHcation error in RS232 27 batt Battery low indicator Check hardware If necessary this can be rectified by shifting the calibration Check hardware Check calibration curve
18. ted To turn the printer off repeat steps 5 and 6 After step 6 the display shows I x which means printer off PLEASE NOTE THAT IF YOU ARE NOT USING THE PRINTER ENSURE THAT THE PRINTER SWITCH IS TURNED OFF IN TEE ANALYZER Chancing the Batch Number The batch number is a useful facility when samples need to be recorded Display Shows Switch on Moisture Analyzer HI Press and hold CAL AUTO Enter batch number e g 485 4 Press 4 Press 7 47 4 Press a 8 Press 5 Begs HI 4 Press AVER 5 Press CAL AUTO once 48 d Changing the Date day month year 1 Switch on HI 2 Press and hold CAL AUTO 5 3 Press and hold AVER dAtE 4 Press AVER d 30 Enter date e g fd 30 30 10 92 Enter day 30 by pressing 3 followed by O Press AVER Press AVER again Fare eee Press 1 I followed byO Press AVER Press AVER again Press 7 Press a Press AVER Press 2 twice 92 I 92 mponent of the date can be viewed and corrected by pressing AVER 6 When the date is correct Press _HI_ AUTO Iv 1 MOISTURE CONTENT Sometimes it is useful to be able to adjust the moisture reading for instance when a different oven test is used or when the particle size of a product is Significantly different or when 2 instruments are checked against each other However before adjusting the moisture reading first check that the hardware settings are correct Section VI 1 Set up Checks
19. ushel weight results can also be adjusted to read the same as another instrument As for the moisture adjustment it is important that the set up checks are correct particularly the Weight Balance before any hectolitre bushel weight comparisons and any subsequent adjustments are made The procedure to adjust the hectolitre bushel weight readings is as follows Display Shows 1 Switch on 10 IV 2 CALI CALIBRATION ADJUSTMENTS Select channel No 1 7 e g 1 Jr Press and hold P HI qal IV CALIBRATION ADJUSTMENTS 4 Use the arrow keys to make the I 0 5 adjustment necessary for the particular product e g if readings are to be increased by 0 5kg hi press a5 times 5 Press CAL End I AUTO The adjustment is now complete In order to see whether a channel has been adjusted proceed as follows Display Shows L Switch on L I 2 Select channel No 1 7 e g i I 3 Press and hold P CAL I 4 Press P I 0 5 Shows that readings have been increased by 0 5 Note Please be aware of the effect of moisture content on hectolitre bushel weight i e above 15 as moisture content increases the hectolitre bushel weight decreases For this reason it is best to base any adjustment on tests which have been made using samples which have a moisture content of approximately 15 CALIBRATION TRANSFERS The SinarTM T AP Moisture Analyzer can be used to send and receive calibrations from ot
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