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Model FD-720

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1. Items marked with an asterisk display as flashing items scale display D All display items shown Item Name Description CD Stability indicator This indicator lights up when the internal scale is stable Measuring complete indicator This indicator lights up when measuring has been completed Heater on indicator This indicator flashes whenever the heater is turned on 4 Predictive measuring indicator This indicator lights up when performing predictive measurements Predictive measuring indicator Lights This indicator lights up when measuring has been completed after performing a comparative predictive when performing comparative measurement measurement Menu display Used to display individual menu items in sequence each time the key is pressed after pressing the key Measuring conditions display Flashes to display individual items in sequence each time the key is pressed after pressing the key Values may be specified for a given item when it is flashing Measuring conditions storage area Used to display the number of the currently selected measuring conditions storage area display 9 Measuring mode display Used to display the currently selected measuring mode Predictive measurement convergence Used to display the conditions for convergence of measured values when operating in predictive or conditions display comparative mode When oper
2. Condition specifying measuring conditions settings press the key Key s used When the desired the rapid drying temperature maintenance B conditions begins to flash press the key The high speed 2 du settings will then be set and the highlight will shift to the selection ir Je of the halting conditions The units area for timed halting mode M min or automatic halting mode will begin to flash Pressing the key will cause the units to switch between minutes min and a percentage Press the key until MR the desired units are displayed When the desired units for the halting conditions i e minutes or G a percentage begin to flash press the key This will cause seu US the highlight to shift to the specification of the halting conditions me ED and the numerical field begin to flash Press the 4 keyor v_ key to select the desired halting a g conditions In this example timed halting 20 minutes is EE Mp v specified ia datis When the desired time or percentage flashes press the mum 2 key The temperature field with a value of 180 C or the rapid D rds drying temperature last specified will begin to flash The initial 7885 default values is 180 C ee Press the _4_ key or _ v key to select the rapid drying G temperature In this example the temperature is set to 140 C aaa m OFRI KE Sao Tew Sh 4 When the desired rapid drying temperatur
3. If a password has been specified the message PASS will be conor oot displayed to indicate that a password should be entered Follow Pr 5 ae remp JPO the instructions in 10 2 7 Specifying a password on p 46 to enter the password sas DS The CONDITIONS display area will begin to flash Press the NI Hn Soe HY T key until MODE begins to flash 1 1 7S BS ons DD With the MODE display area flashing press the key This ums D ae A Mone FI L will cause the highlight to shift to measuring mode selection and 2 2 A BUS for the currently specified measuring mode to begin flashing me dee Pipes the sies key until RPD begins to flash Ka If RPD is already flashing then proceed directly on to the next z mm ABB step Tw Pc sas DD When RPD begins to flash press the key The highlight LI 6 will then be transferred to the specification of the rapid drying 22 2 MP i temperature and the numeric display will begin to flash TEMP i20 a Press the 4 keyor v key to select the rapid drying m D temperature maintenance conditions In this example we have 22 vox PRD Te v specified a degree of change of 0 7 we Fhe ws GOO 27 Step Operating instructions Display
4. Eu Ta dl Eur a At the bottom left of the display will be displayed the power settings specified as described in step of 6 Assembly and Installation of Main Unit on p 14 with the display reading 100V when the power settings have A HE been set to 100 120V and reading 220V when they have been set to m 220 240V a If using the tester in a country that does not use 100V power then this is the m um ae es Sa time when you should specify the power settings to be used See step 3 of 10 2 8 Specifying the power settings on p 47 for instruction on how to do Do SO When using the tester in Japan the settings should be left unchanged Check to make sure that the display reads 100V and then press the key EX mm As the power setting continues to be displayed in the lower left of the display t it hi f g ART the center of the display will change to display CHE4 CHE3 CHEO and a ee tme Pec tone will sound and the display will change to weight reading display mode pas GOOD When the power is turned on for me second or subsequent times a tone will Display will show default settings at the sound the display will light up with all items lit the display will change to time of shipment See p 24 9 2 1 display CHES CHE4 CHEO while the currently specified power setting is Selecting the CONDITIONS Measuring displayed and then a tone will
5. FD 720 Serial number AC00001 Device ID ABCD 123 Sample code B 20 Date amp time of measurement 2003 08 08 15 07 Measuring conditions storage area 0 Measurement standard Dry base Measurement mode Comparative measuring mode Drying temperature 110 C Automatic halting conditions 0 05 Predicted value convergence range 0 5 Bias 0 00 Pre drying weight 5 6892g Elapsed measuring time Changes in drying temperature Measured value Predicted measurement 8 0 10 14 06 l H t t tl 85 10 144 P E amp 9 0 110 14 22 E 3 3 3 3 amp 3 3 J 95 106 1431 H I RE I I 10 0 11 14 43 L 3 39 1 3 3 3 H53 tl x 10 5 HO 1448 P P P T I Dry blass 4 8097 e 58 Post drying weight 4 8637g e Printing calibration records when performing a calibration WEIGHT CALIBRATION KETT ELECTRIC LABORATORY Model FD 720 e YA RR AA AA AA AA AA AA S N AcamsBgul e ID ABCD 123 Date Time 20093 08 45 15 18 REF 146 6609 BFR 939 9999 AFT 188 8885 Signature 13 2 Outputting Past Measurement Data Supplier KETT ELECTRIC LABORATORY Model FD 720 Serial number AC00001 Device ID ABCD 123 Time of measurement 2003 08 08 15 18 Signature Record are stored of up to 100 past measurements in sequence from the most recent to
6. temp 0e 44 10 2 6 Specifying a device ID This section describes how to specify the device ID output when outputting data to a printer or computer The device ID is an 8 character ID which may be set using the following characters digits from 0 9 letters from A Z and hyphens i e B How to specify a device ID Step Key s used Operating instructions Display From the weight display press the key and hold the o Dee g i i b INT g wat D key down while pressing the key DODD s Bos The first through fourth characters of the device ID will be B displayed with the first character flashing The indicator id will be id ue e displayed in the center of the display Teve 120 a Press the 4 keyor v key to select the desired character i e a digit from 0 9 a letter from A Z or a hyphen Note that ii as e v here the letter A has been selected M we fec When the desired character is displayed press the key a The first character will then have been specified and the second d ags character will begin to flash wwe fc sas OOO Repeat steps G and until the fourth character has been B O specified Note that here a value of ABCD has been specified i dl Mene FILI T When the fourth character has been specified press the m ni we 1200 key 11 8 UL Be ws GGUS The fifth t
7. or password see 10 2 7 Specifying a password on p 46 10 2 Descriptions of Individual Menu Items Descriptions of individual menu items are given in subsection 10 2 1 and below Calling up menu settings To call up menu settings press the key from the weight display Selecting individual menu items When the key is pressed the menu item UNIT will light up Pressing the key here causes the menu item lit up to change from UNIT to OUTPUT to CODE to DATE to CAL and back to UNIT in sequence each time the key is pressed When the item of interest is displayed press the key The settings for the selected item may then be specified 3 Exiting from menu settings Pressing the key when any menu item is currently lit up exits from menu settings mode and returns to the regular weight display screen 36 10 2 1 Selecting units measurement standard and minimum display units 1 Selecting the measurement standard This is used to select and specify the measurement standards to be used when performing mea surements There are three different types of measurement standards measuring by changes in wet content measuring by changes in dry content and measuring by changes in solid content The standard selected should be chosen in accordance with the type of material being measured Notation used in formulas W Wet weight before measurement D Dry weight after mea
8. IE 5 halting conditions A value of anywhere from 0 01 to 0 1 percent m RED SUL IR may be specified in 0 01 percent increments Note that here a ree PDS value of 0 05 has been selected TOME When the desired automatic halting conditions have been D selected press the key The specified setting will change CEA EPIS from a flashing to a constantly lit display and MODE will begin to Tew 1200 flash wee If you wish to specify other measuring conditions settings press the key to select the setting to be specified key instead 32 7 Specifying settings for PREDICT Predictive measuring mode This mode is designed for use in reducing the amount of time required for performing measurements by calculating a predicted final measurement from data obtained on changes in moisture content while drying is still in progress Note that some materials have properties which make it difficult to obtain accurate predictions Also note that predictive measuring mode should to be used only after conducting measurements in comparative measuring mode to check the precision of measurement and the possible effectiveness in terms of shortening the measuring time Step Key s used Operating instructions Display With the display displaying the weight in grams press the Pie au G 9 i JOOD 9 7 iis me iD nnn BIAS Lm If a password has been specified the message PASS will be displayed to indicate that a passwor
9. Salsa If you wish to specify other measuring conditions settings press the key to select the setting to be specified Condition To exit from specifying measuring conditions settings press the key instead 31 6 Specifying settings for COMPARE Comparative measuring mode Comparative measuring mode is used to calculate the bias i e the difference between the predicted measurement and the measurement which would be obtained when operating in automatic halting mode needed when conducting predictive measurements When conducting predictive measurements this mode should be used first to calculate the bias For further information see e Comparative measuring mode and Predictive measuring mode on p 51 Condition To exit from specifying measuring conditions settings press the Step Key s used Operating instructions Display With the display displaying the weight in grams press the 25 G m PUII g RUT n GOOD e us DO If a password has been specified the message PASS will be msnm G displayed to indicate that a password should be entered Follow Pl 15 kr ee ADS the instructions in 10 2 7 Specifying a password on p 46 to me fene BaS GULI enter the password The CONDITIONS display area will begin to flash Press the gu 7 m Ec key until MODE
10. Weight is performed automatically once per minute or once every 30 seconds when near the end of the measuring time while measuring moisture content To stop measuring when in the midst of a measuring operation press the key s 1 2 ICH C 217 mmmn AM BIAS mone F Completion of measurement When the measuring operation has been completed the heating indicator anc 3 will disappear the measurement completed indicator k will be ALILIS ogas displayed and a tone will ring for a period of 10 seconds To turn off the 1 Pim as OOO tone press the key The results of the measurement will be displayed and remain displayed on the display Ifthe unit is connected to a printer sold separately pressing the key while a hold message is being displayed will cause the signature field to be printed See 13 1 Sample Printer Output on p 56 for further information Resetting the display 1 IE F Pressing the key at this point causes the display of the results of LL ILL g voir gt LL OOS the measurement i e moisture content to disappear and be replaced by a Bfic display of the weight of the sample after drying odi Note that a reset cannot be performed until the completion tone has stopped ringing Disposing of samples after measurement Open the lid to the heater raise the handler vertically remove the sample dish and dispose of the sample
11. begins until the mode mode temperature reaches the specified drying temperature For further information see 9 2 2 4 Specifying settings for SLOW Low speed drying mode on p 29 STP In stepped drying mode it is possible to specify a separate drying temperature and separate measuring time STEP Stepped drying over up to 5 step intervals For further information see 9 2 2 5 Specifying settings for STEP Stepped mode drying mode on p 30 CMP Comparative measuring mode is used to measure the bias i e the difference between the measurement COMPARE Comparative corresponding to that obtained in automatic halting mode and the predicted measurement value needed in measuring mode order to perform measurements in predictive measuring mode For further information see 9 2 2 6 Specifying settings for COMPARE Comparative measuring mode on p 32 PRD In predictive measuring mode the intermediate results of drying are used to predict future changes and to PREDICT Predictive calculate the predicted measurement and thereby shorten the amount of time used in measurement For measuring mode further information see 9 2 2 7 Specifying settings for PREDICT Predictive measuring mode on p 33 TEMP OOO This parameter may be used to specify the drying temperature The temperature may be set anywhere within Drying a range of from 30 C to 180 C in 1 degree increments For further information see 9 2 3 TEMP Drying tempera
12. scalar format The scale may display a maximum change of 2 percent 30 seconds 12 5 2 Control Panel Operations The control panel keys are used to perform the following operations Name Operation Start Stop START STOP key Used to start measuring or to abort a measuring operation Also used to turn off the alarm which sounds to indicate that a measuring operation has been completed Tare Reset TARE RESET key Used to deduct the tare weight Also used to perform a reset after an error has occurred Also used to return to display of weight after completion of measurement Enter ENTER key Used to confirm currently selected settings When further settings must be specified pressing the ENTER key causes the next specified item to be displayed when there are no further settings to be selected the specified setting is confirmed and takes effect Select SELECT key Used to select different settings or setting values d Ea UP key DOWN key Used to change the value of different settings Pressing the 4 key causes the value in question to increase and pressing the v key causes the value in question to decrease Condition CONDITION key Used to begin or end the specification of measuring conditions Menu m z c x o lt Used to begin or end the specification of menu settings 13 6 Assembly and Installation of Main Unit D Opening th
13. specified is too high it might result in the sample becoming burned thus making it impossible to obtain accurate measurements Note that the meaning of the term drying temperature as it is specified here differs from that of the drying temperature for earlier models e g the FD 600 620 100 230 240 B Specifying settings for the TEMP Drying temperature Step Key s used Operating instructions Display With the display displaying the weight in grams press the Er ame G Inn g nur temp JP Oc If a password has been specified the message PASS will be Ir displayed to indicate that a password should be entered Follow price b m the instructions in 10 2 7 Specifying a password on p 46 to mw dege enter the password The CONDITIONS display area will begin to flash Press the COPIES 7 key until TEMP begins to flash SOS 5 ODD With the TEMP indicator flashing press the key This will n G cause the highlight to shift to specification of the drying 2 wore FEET temperature and the currently specified drying temperature to HRE begin to flash LO 4 Press the 4 Jkeyor v key to select the desired drying oR 7 temperature Note that here a temperature of 105 C has been ons v specified roe Oe When the desired drying temperature begins to flash press the Gana 5 key The displa
14. specified measuring time to begin to flash me 120 a Press the 4 keyor v _ key to select the desired measuring G time Note that here a time of 30 minutes is specified 2 2 Sa When the desired measuring time begins flashing press the D nter key The specified measuring time will change from a exin y The specified measuring time will change fr neces t flashing to a constantly lit display and MODE will begin to flash me de instead OE If you wish to specify other measuring conditions settings press the key to select the setting to be specified To exit from instead 26 3 Specifying settings for RAPID High speed drying mode During the initial phase of measurement the material is dried at a temperature higher than the specified drying temperature to speed up drying and reduce the amount of time required for performing measurements Once drying has proceeded to a sufficient point the temperature is returned to the specified temperature and drying is continued at that temperature to help prevent burning In this mode it is necessary to specify the drying temperature to be used during the initial phase of measurement i e the rapid drying temperature and the amount of change in moisture content over a 30 second interval needed to maintain that temperature i e the conditions under which the rapid drying temperature is to be maintained Rapid drying will continue to be performe
15. the MODE display area flashing press the key This 11 will cause the highlight to shift to measuring mode selection and um eda m ADEST for the currently specified measuring mode to begin flashing we 12 Dec ws O00 Press the key until SLW begins to flash S If SLW is already flashing then proceed directly on to the next uvm ad am as LBS step TEMP RU When SLW begins to flash press the key The highlight will then shift to specification of low speed drying mode settings where the halting conditions must be specified The units area for me em 28S timed halting mode min or automatic halting mode will HOD begin to flash Pressing the key will cause the units to switch between 8 minutes min and a percentage Press the keyuntil 22 2 ER ike the desired units are displayed wwe 20c sas QOO When the desired units for the halting conditions i e minutes or mme 7 a percentage begin to flash press the key This will cause 22 2 u the highlight to shift to the specification of the halting conditions TEMP J80s and the numerical field begin to flash Press the 4 keyor v key to select the desired halting G conditions In this example timed halting 20 minutes is gt sss eiu v specified we 120 When the desired time or percentage flashes press the C key The specified halting conditions will then changefrom 22 2 TRO e flashing to a constantly lit di
16. the oldest This data can be output to a printer or computer Follow the directions given on p 38 10 2 2 Specifying the type and format of output to set the output format to either TBL or PC 2 From the weight display press the key and hold the key down while pressing the key 3 The data will then be output in order beginning from the most recently measured data To stop printing while printing is still in progress press the key 59 14 Computer Interface The RS 232C interface may be used to connect the FD 720 to a computer with an RS 232C interface and output measurement data to that computer 14 1 RS 232C Interface Specifications Interface type RS 232C Communications method Asynchronous communication Baud rate 2400 bps Data bits 8 bits Parity None Stop bits 1 bit Connector Female D SUB9 pins Pin layout 5 4 3 2 1 9 8 7 6 Pin number Direction Description 1 Not used 2 Output TXD 3 Input RXD 4 Not used 5 GND 6 Not used 7 Not used 8 Not used 9 Not used Frame Shield 60 14 2 Setting Up and Transmitting Data 14 2 1 Connecting the RS 232C cable With the power to the FD 720 and the computer both turned off connect the RS 232C cable Insert the connector at the end of the RS 232C cable into the RS 232C port located at the rear of the FD 720 and then tighten the screws located at both sides of the cable connector Follow the sa
17. with the unit Quantity and placement of powdered particulate and viscous sample materials The easier it is to heat the surface of a sample material the easier it is for projecting portions of the material or for material at the top of a mound of material to become burnt If the material is placed in a mound on the dish or if the material is not flat and evenly laid out this is likely to happen thus making it impossible to obtain accurate measurements Note that while the precision of measurement improves the more flatly and evenly samples are placed and the higher the amount of sample material used the quantity of sample material used is too great if the surface becomes burned before lower layers are fully dried Always be sure to lay out samples flatly and evenly as indicated in the diagram below Proper placement Incorrect placement l m O e Measuring liquid samples Virtually all liquid materials will coagulate after being dried and when working with such materials they should be placed on the provided sheets of aluminum foil Note that these aluminum foil sheets are water permeable thus making it possible to obtain wide and even placement and making them effective for use in shortening measuring times and obtaining accurate measurements Depending on the sample in question the use of sand to speed up drying Silica sand or ocean sand with a mesh of 20 or so may be even more effective 17 Crushing s
18. 01 Temperature sensor short circuit ER302 Temperature sensor not connected Heater overheated A ER303 This error indicates the existence of an extremely hazardous condition Turn the power off immediately and without delay contact a Kett representative for assistance ER304 Temperature measurement error ER305 Heater failure ER601 ER602 Auto taring mechanism error ER603 ER702 Power failure ER801 Memory error ER802 Internal clock error 49 12 Predictive Measurements 12 1 A Description of Predictive Measuring Infrared moisture content testers can be used to measure the moisture content of a wide range of different materials thus making it possible to measure the moisture content of almost anything This is the most important feature found in infrared testers not found in other types of testers At the same time however because an infrared moisture content tester operates by heating samples to evaporate the moisture content it takes a fair amount of time to obtain measurements In order to make it possible to shorten the amount of time required for taking measurements and to provide a means of approximating the moisture content measurements which would be ob tained using standard methods predictive measuring mode has been developed In predictive measuring mode An estimate is calculated of the final moisture content while drying is still in progress 2 It is necessary to specify three settings before measuring th
19. ET 2054 Tue fog eas OOO Press the key This will cause the highlight to move to the a measuring conditions area number and for the measuring Va a S conditions area number to begin to flash Teue JEU Press the 4 Jkeyor v jkey to select a measuring SA conditions area number from 0 to 9 In this example we selected _ _ 222 ae area number 5 me 12056 sas OOO When the desired measuring conditions area number starts ee flashing press the key The selected measuring conditions Ooo Le aes area number will change from a flashing to a constantly lit display me QD and the CONDITIONS message will begin to flash instead DUE MUN Select If you wish to specify other measuring conditions settings press the select key to select the setting to be specified To exit from D y g p Condition specifying measuring conditions settings press the key instead 24 9 2 2 Selecting the MODE Measuring mode The MODE measuring mode setting is used to specify the conditions under which measuring is to be completed As shown in the table in subsection 9 1 Types of Settings the mode may be set to one of seven methods 1 Specifying settings for AUTO Automatic halting mode In automatic mode measurement is brought to completion when the amount of change in moisture content over a period of 30 seconds falls to a level below a specified threshold level The automatic halting thre
20. Infrared Moisture Determination Balance FD 720 ett Operating Manual Infrared Moisture Determination Balance Safety Notes Improper use of the infrared moisture tester in violation of the following safety notes may result in death injury or damage to property due to fire etc Furthermore the infrared moisture tester has high temperature components which can cause burns if proper safety guidelines are not followed H Observe all safety guidelines Carefully read and observe all safety notes included in this user s manual B Do not use the unit if it appears to be malfunctioning If you suspect a problem or malfunction in the unit discontinue use and immediately have the unit inspected by certified Kett service personnel B Meanings of Warning Indicators and Symbols The following symbols are used in this operating manual and product to prevent accidents from occurring as a result of improper usage or handling The meaning of each symbol is as described below A Warning Failure to observe these items may lead to death or injury to the user A Caution Failure to observe these items may lead to injury to the user or damage to property A Note Items which the user should be aware of in order to use the unit safely Caution Symbols Stop Symbols Symbols Requiring User Action Fire Hazard Burn Hazard Electric Shock Prohibited Do Not Do not Expose Required Disconnect Plug Hazard Disassemble to Water Action from Electri
21. Note that the sample and sample dish may be very hot and you should accordingly be careful in handling them at this time 21 Operating instructions Display Prepairing to perform the next measurement Leave the lid to the heater open to allow the tester to cool When performing sequential measurements leave an interval of about 1 2 minutes between each measurement and make sure that the tester has cooled before proceeding to the next measurement You should also keep a spare cooled sample dish available to use in the next measurement See 7 Tips on how to ensure accurate measurements on p 17 for further information When ready return to step G and begin the next measurement Turning off the power When all the measurements have been completed pull the power plug from the power outlet And when not using the main unit always pull the power plug from the power outlet 22 9 Specifying Measuring Conditions When using this tester to measure moisture or solid content it is necessary to first specify the conditions e g drying temperature or measuring mode to be used in performing the measurement The settings which may be specified are as described below When necessary it is also possible to save sets of measuring conditions i e drying temperature measur ing mode and bias 9 1 Types of Settings Setting Display dur
22. ONS display area will begin to flash Press the Sumus G key until MODE begins to flash eae TI Select 808 nnn BIAS OUL With the MODE display area flashing press the key This g D Enter will cause the highlight to shift to measuring mode selection and ene ee DE for the currently specified measuring mode to begin flashing mwe D Dec nnn BAS JUS ien i E ied sica begins to pate EM E is alrea ashing then proceed directly on to the nex daaa PEN Select n y g B y Vise E temp 2 hc nnn BIAS Lu When STP begins to flash press the key This will cause manm 7 Enter STP to change from a flashing to a constantly lit display for the dm es Rud highlight to shift to the specification of the measuring time for Step p PAS ULL 1 and for the measuring time to begin to flash Press the 4 keyor v key to select the desired measuring aa G time The time may be set to a length of anywhere from 1 to 240 TWA minutes in 1 minute increments Note that here a time of 20 vae PD nnn nas LILI minutes has been specified IMME Gl When the desired measuring time flashes press the key SERENE G Enter The measuring time will change from a flashing to a constantly lit Soa mr display the highlight will shift to the specification of the drying me Jee temperature and the drying temperature will
23. P 8205s mio ota TEMP eae 50 ES le Uc C min ETI 7 T CE FRIOS 2 pam A aT Ie c CC neater aw as BU Completion of measurement QE _ _ Ore Tas cmn J The predicted measurement will then be displayed i D see PR ax ka temp JP c am 95 D5Ux 55 13 Printing Output to a Printer Option The FD 720 may be connected to a printer to make it possible to output measurement data or other information to the printer Output which may be generated includes data consisting of inter mediate or final measurements sample codes and measurement times A dot matrix printer may also be used although it is impossible to obtain graphical output when using a dot matrix printer Please inquire with Kett if you require further information 13 1 Sample Printer Output Output consisting solely of final values from multiple measurements Tabular output TBL ZETT ELECTRIC LABORATORY Supplier KETT ELECTRIC LABORATORY Model FO 720 e Model FD 720 SA 1 acooooi Serial number AC00001 ID ABCD 123 Device ID ABCD 123 Date 2003 08 08 e Time of measurement 2003 08 08 Condition No Measuring conditions storage area 0 Unit Wet Base Moist s Measurement standard Wet base Mode Auto s Measurement mode Automatic halting mode Setting Temp 110C s Drying temperature 110 C Auto Stop Cond 0 05 Automa
24. _ _ XXXXXXX 7 byte Serial No delimiter ID_ _ XXXXXXXxX 8 byte ID delimiter Date Time XX 2 byte year XX 2 byte month XX 2 byte day XX 2 byte hour XX 2 byte minutes delimiter Condition X 1 byte condition number delimiter Unit Wet Base Moist or Dry Base Moist or Solid Content delimiter Automatic halting format Mode Auto delimiter Setting Temp XXX 3 byte temperature setting C delimiter Auto Stop Cond X XX 4 byte automatic halting conditions setting 96 delim iter Timed halting format Mode Time delimiter Setting Temp XXX 3 byte temperature setting C delimiter Drying Time XXX 3 byte drying time setting min delimiter High speed drying format Mode Rapid delimiter Setting Temp XXX 3 byte temperature setting C delimiter Automatic halting _Auto Stop Cond X XX 4 byte automatic halting conditions setting 96 delimiter Timed halting _Drying Time_ _ XXX 3 byte drying time setting min delimiter Max_Temp _ _ XXX 3 byte of high speed drying temperature C delimiter Delta M_ _ X X 3 byte of degree of high speed drying maintenace condition
25. alues exceeds allowable levels then the average bias from the comparison just performed should be calculated the 8 average then specified as the new bias setting and the evaluation process performed again If the difference between the two sets of values exceeds allowable levels and the bias varies sharply over repeated measurements then it is probably safe to assume that a predicted measurement cannot be obtained If this happens you should measure in automatic halting mode or in some other mode 54 12 2 3 Obtaining predicted measurements Step Operating instructions Display Set the mode to predictive measuring mode 9 2 2 7 Specifying settings for D PREDICT Predictive measuring mode on p 33 for instructions mi ae rE ie ODD Specify the same settings for the predicted value convergence range and a drying temperature as those used in comparative measuring mode Sys i UAE ERES subsections 12 2 1 and 12 2 2 we PU Example TT Predicted value convergence range 0 5 Um Drying temperature 120 C tate mU whee ous CASS Use the bias calculated following the procedures described in 12 2 1 and 12 2 CERES 7 2 to specify the bias shown here as 0 60 Also see 9 2 4 Bias on p 35 eee ROS sS Place the sample onto the sample dish and begin measurement In the ETTA example shown here the initial weight is 10 213 grams HVID Ig
26. amples consisting of large particles before measuring If samples consisting of large particles are measured in their original condition it not only takes longer for drying to completed to the center but also may result in problems such as the surface of the sample becoming burned thus making it impossible to obtain accurate measurements For this reason you should always crush samples to an appropriate size The TQ 100 Sample Crusher sold separately is excellent for this purpose TQ 100 Sample Crusher 18 8 How to Conduct Measurements Before beginning a measurement check to make sure that there is nothing remaining in the sample dish Also be sure that all parts of the main unit are firmly fixed in place and be sure that the heater lid has been closed firmly before starting to perform measurements Also be sure to check on a regular basis that the main unit is level and readjust the height adjust ment legs if necessary See 6 Assembly and Installation of Main Unit on p 14 for instructions on how to do so Operating instructions Display Turn on the power switch Turn on the power switch located at the rear of the unit Ox 8880 8880 T SB When you turn on the power for the first time after purchasing your tester a g ICH g s SSSBBS tone will sound the display will light up with all items fit and then change to IOC Lied Baan display first CHES and then a string of dashes i e
27. asurement values to be used when GRP has been selected Menu If you wish to specify other menu settings press the key to select the desired menu item If you wish to exit from specifying Step Key s used Operating instructions Display The currently selected minimum for the range of measurement eamm 7 values will begin to flash 39 8ns we NE ili sas OOO Press the 4 keyor v key until the desired minimum is OEMS G displayed Note that here a value of 5 has been selected meee 5 Dos ouestl jy mwmw J Joe v Se mo BOD When the desired minimum begins to flash press the key cements i g move 31 7 Enter The Will cause the maximum for the range of measurement values i 805 to begin to flash S DH LLLI LJ 4 Press the 4 Jkeyor v key until the desired maximum is eun D displayed Note that here a value of 20 has been selected B05 Enter When the desired maximum begins to flash press the key conan The currently specified output destination will be displayed and g 7805 i OUTPUT TEMP Ig Dc Select the display will return to the state shown in step pas BD menu settings press the key 40 10 2 3 Specifying sample codes This section describes how to specify sample codes to be used when outputting measurements to a printer or computer Sample codes may be specified as 4 charact
28. ating in high speed drying mode used to display the conditions required in order to maintain a high speed drying temperature Halt conditions display Used to display the currently selected halt conditions When the value is displayed as a percentage it indicates that measuring will halt automatically and when value is displayed in minutes it indicates that measuring will halt when the specified amount of time is reached 42 Drying temperature display Used to display the currently selected drying temperature Bias display Used to display the moisture or solid bias Moisture Solid Weight display When measuring weight i e when in idling mode used to display the weight in grams When performing measurements used to display the moisture content and solids content as percentages When measuring weight this display is also used to display oL i e overload when the weight exceeds the maximum measurable weight and to display oL i e no overload when the weight does not exceed the maximum measurable weight Q5 Temperature display Used to display the temperature under the heater lid Measuring time display Used to display the amount of elapsed time during measuring 47 Change in moisture solid content Used to display the change AM in moisture or solid content at 30 second intervals during display measurement Change in moisture solid content Used to display the change AM in moisture or solid content in
29. begin flashing TEMP 1200 Press the key until AUT begins to flash D Select Since AUT will already be flashing at the point proceed directly a to the next step temp f Efe sas QOO Enter When AUT begins to flash press the key This will cause the automatic halting mode settings to become active and for the automatic halt conditions i e amount of change in moisture content per 30 seconds to begin flashing n ICONDITIONS HH move i T ae n ul Press the 4 J keyor v key to select the automatic halt n CONDITIONS Enter conditions Note that here we specify a setting of 0 1 percent xul mn aus OOO When the desired automatic halt conditions setting begins to mn flash press the key The automatic halt conditions setting 222 exu will change from a flashing to a constantly lit display and MODE will begin to flash instead Select e Q 3 Q 3 If you wish to specify other measuring conditions settings press the key to select the setting to be specified To exit from specifying measuring conditions settings press the key instead 25 2 Specifying settings for TIME Timed halting mode In timed halting mode the measuring time is specified before the test and the sample is dried to determine its moisture or solid content When the specified measuring time is r
30. begin to flash TP EIE Press the 4 keyor v key to select the desired drying RD temperature The temperature may be set to a temperature of gt gt woe TE l anywhere from 30 to 180 C in 1 degree increments Note that mege here a temperature of 105 C has been specified s O When the desired drying temperature flashes press the aaa g Enter key The step displayed will change from STP 1 to STP 2 and m noma TP fic the units area for timed halting mode min or automatic halting gt 158 mode will begin to flash 30 Step Key s used Operating instructions Display Pressing the key will cause the units to switch between g D minutes min and a percentage Press the key until sass uniti the desired units are displayed mar toe mas OD When the desired units for the halting conditions i e minutes or pan a percentage begin to flash press the key This will cause we a the highlight to shift to the specification of the halting conditions ta ae and the numerical field begin to flash Note that this step becomes the final step if automatic halting S moc E TR mode i e a percentage is specified here M dis sas DUO Press the 4 keyor v key to select the desired halting g a conditions Note that here a time of 20 minutes has been ene UA spe
31. begins to flash REN AT ls BIAS OBO With the MODE display area flashing press the key This comms D will cause the display to shift to measuring mode selection and for Se pe the currently specified measuring mode to begin flashing pos Press the key until CMP begins to flash a i i i wore MOOS y If CMP is already flashing then proceed directly on to the next nes step TEMP 120 When CMP begins to flash press the key CMP will change from a flashing to a constantly lit display and you will next mum be required to specify the predicted value convergence range MER DB RS settings see e Predicted value convergence range on p 50 Teme 1200 The current setting for the predicted value convergence range will begin to flash 4 Press the a keyor v key to specify the desired value A mmn g D value of anywhere from 0 1 to 9 9 percent may be specified in E EUST 0 1 percent increments Note that here a value of 0 596 has been Teme i20 selected When the desired value is displayed press the key The flashing display of the predicted value convergence range will r change from a flashing to a constantly lit display and the display as es a Mesi ga will shift to the automatic halting settings and the setting rar 12 Be specifying the degree of change in moisture content over a 30 second period will begin to flash Press the 4 keyor v key to select the desired automatic
32. cal Outlet A Warning Do not attempt to measure samples which may undergo dangerous chemical reactions when heated as doing so may result in an explosion or release of toxic gas Fire Hazard Electric Shock Hazard Do not place flammable materials near the infrared moisture tester Some parts of the infrared moisture tester become extremely hot during operation and could lead to a fire if flammable materials are placed nearby Never use with any power source for which the product was not designed Application of excessively high voltage may result in overheating malfunction or fire Do not attempt to disassemble modify or rebuild the infrared moisture tester Doing so may result in accident electric shock etc If you believe the unit may be malfunctioning take it to an authorized Kett service center for service Do not allow the unit to come in contact with water The infrared moisture tester is not waterproof Do not allow water or other liquids to get into the unit s enclosure as this may lead to electric shock or malfunction N Caution Do not touch the heat dispersing component of the heater cover or sample dish with your bare hands as doing so might result in burns This infrared moisture tester is at high temperature during and immediately after making measurements When touching the unit only use the specified control knobs and accessories Burn Hazard Electric Shock Ha
33. change AM in moisture content over 30 second intervals is displayed in a numeric and scalar display thus making it easier to estimate when a measurements should be completed This feature is also useful in helping to determine measurement completion conditions 1 UniBlock is a product name of the Shimadzu Corporation 2 Indicates actual measured time for operation of infrared heater Your performance may vary 2 3 Applications i e materials which can be measured Materials for which water is the only main component which evaporates as a result of heating Materials for which no dangerous chemical reactions or other changes occur as a result of heating Measurements can be performed using virtually any material meeting these conditions 3 Specifications Measurement format Evaporation weight loss method Heat drying and weight loss method Sample weight 0 5 120 g using selective weight sampling method Minimum displayable units Moisture content solids 0 1 or 0 01 selectable Weight 0 001 g Measurable quantities Moisture content wet base amp dry base weight solid content Measurement range 0 100 wet base solids 0 500 dry base Reproducibility Standard deviation Samples with a weight of 5 g or higher 0 05 Samples with a weight of 10 g or higher 0 02 When using standard samples and measuring conditions as determined by Kett Electric Laboratory Measurement modes Automatic halti
34. cified When automatic halting has been specified as the TEMP det v operation mode the degree of change in moisture content may be DUE specified as anywhere from 0 01 to 0 1percent in 0 01 percent increments a Note that the previous step becomes the final step if timed halting mode has been selected and a measuring time of 0 is specified here Note that it is impossible to perform continuous measurement over 12 hours in this mode The maximum drying time for each step is 240 minutes When the desired halting conditions begin to flash press the key This will the display of the halting conditions to change ete S from a flashing to a constantly lit display for the highlight to shift pcc da to the specification of the drying temperature for Step 2 and for pq the drying temperature to begin to flash Press the 4 keyor v key to select the desired drying a temperature Note that here a temperature of 100 C has been nci 5 specified DS doy When the desired drying temperature is displayed press the enters G key The step displayed will change from STP 2 to STP 3 2 222 s I and control will shift to the specification of halting conditions At iud Je this point you must go back to step 11 and repeat all subsequent steps up to this step until settings have been specified for all steps up to the final step When the settings for the final step have been specified MODE a G D will begin to flash Eo up xe iius
35. cirig FUSES nior EIE restet ebbe en bare sigue na been TUR RE UR DRE 65 Al Precautions to be observed when taking measurements Be sure to follow proper procedures during operation When opening or closing the lid to the heater always be sure to use the handle Be sure to put the wind shield sample dish tray handler and sample dishes properly into place See 6 Assembly and Installation of Main Unit on p 14 for instructions Always be sure to use the provided handler to remove sample dishes When removing a sample dish do not allow your hands to come into contact with the heater or any of the metal aluminum parts around the heater as doing so could result in burns The sample dish and area around the sample dish will be very hot immediately after performing a measurement Be sure to place the sample dish in an appropriate place to allow it to cool Areas to touch and areas subject to high temperatures While a measurement is being performed or immediately after a measurement has been performed the areas marked in the accompanying diagrams as will heat up to high temperatures When handling the unit always be sure to allow your hands to come into contact only with the designated areas Handle for holding heater lid Place to grasp handler Never perform measurements using hazardous materials off noxious fumes when heated is extremely dangerous and this instrument should never be used with an
36. d a tare will be performed A sharp tone will then sound and the word TARE will disappear from the display a weight of 0 000 g will be displayed and the o eic III 7 Move F2 1 7 nn LLL temp f nn uu BIAS CI CI c o B tare will then be complete FM a RT M LILILILI 9 8054 Always be sure that the heater lid is closed when performing a tare Also make nu zu er os wm Ane sure that the tester is not exposed to drafts or breezes or subjected to any sas GOD vibrations when a tare is being performed Placing a sample in the tester Poke D Open the lid to the heater and place the sample inside ig ee g AT Be sure to place the sample as flatly as possible into the tester so that heat ILD L T ons is applied evenly to the sample during measurement See 7 Tips on how sas Gy to ensure accurate measurements on p 17 for further information 6 Beginning measurement o Phen g Close the lid of the heater check to make sure that the stability indicator O Ina dg g wer is being displayed and then press the key The display will switch ILL dL E ne from a display of the weight i e grams to a percentage display and the sas GOD measuring time will be displayed The heating indicator 4 will start to flash and drying will begin 53 2c D min D There may be times when the stability indicator O is not displayed because of LILILIs gdi km external vibrations or drafts o
37. d should be entered Follow the instructions in 10 2 7 Specifying a password on p 46 to enter the password we Va D HH move FL T iiS mtm fOe sas Oy The CONDITIONS display area will begin to flash Press the key until MODE begins to flash halting conditions A value of anywhere from 0 1 to 9 9 percent may be specified in 0 1 percent increments Note that here a value of 0 5 has been selected Enter When the desired automatic halting conditions have been selected press the key The specified setting will change from a flashing to a constantly lit display and MODE will begin to flash Select Condition If you wish to specify other measuring conditions settings press the key to select the setting to be specified To exit from specifying measuring conditions settings press the TEMP Rt With the MODE display area flashing press the key This agg D will cause the highlight to shift to measuring mode selection and a ne for the currently specified measuring mode to begin flashing TEMP 1200 Press the key until PRD begins to flash KJ If PRD is already flashing then proceed directly on to the next te Aye i step TEMP 120 When PRD begins to flash press the key PRD will then change from a flashing to a constantly lit display and you will next a A be requi
38. d until the change in moisture content over a 30 second interval AM falls to a level below the specified level at which rapid drying conditions are to be maintained and after that drying will continue at the specified drying temperature The amount of change in moisture content over which rapid drying is to be continued may be specified in 0 1 percent increments from 0 1 to 9 9 percent Note that a higher value should be specified for the rapid drying temperature than the regular drying temperature Note that it may take a considerable amount of time for the temperature to be lowered from the rapid drying temperature to the regular drying temperature Specifying a relatively low degree of change in moisture content or specifying a high rapid drying temperature may reduce the amount of time required to perform a measurement but depending on the sample material being measured doing so could result in the material becoming burnt or make it impossible to obtain accurate measurements Conversely specifying a relatively high degree of change in moisture content or specifying a low rapid drying temperature could make it difficult to obtain the effects expected from performing rapid drying Either AUTO automatic halting or TIME timed halting may be specified as the halt condition Step Key s used Operating instructions Display With the display displaying the weight in grams press the o B aB 7 FIT q mnis mme J Gog Goa BIAS
39. delimiter Low speed drying format Mode Slow delimiter Setting Temp XXX 3 byte temperature setting C delimiter Automatic halting Auto Stop Cond X XX 4 byte automatic halting conditions setting 96 delimiter Timed halting _Drying Time_ _ XXX 3 byte drying time setting min delimiter 62 8 6 Stepped mode format Mode Step delimiter tab Temp C tab Time min delimiter The following output then appears the same number of times as the number of specified steps Step X 1 byte step number tab XXX 3 byte temperature setting tab XXX 3 byte drying time setting delimiter Comparative mode format Mode Compare delimiter Setting Temp XXX 3 byte temperature setting C delimiter Auto Stop Cond X XX 4 byte automatic halting conditions setting 96 delimiter Pred Tol X X Predicted value convergence range delimiter Predictive mode format Mode Predict delimiter Setting Temp XXX 3 byte temperature setting C delimiter Pred Tol _ _ X X Predicted value convergence range delimiter Bias_ _ X XX delimiter B Measurement output format tab Time min tab Temp C tab Mass g tab Moist 96 delimiter B intermediate measurement output f
40. e FD 720 is extremely sensitive to interference from drafts breezes vibration and other disturbances in the surrounding environment and care should be taken to ensure that there is no such interference before performing calibration It is impossible to accurately calibrate the scale immediately after performing measurements or at any other time when the heater lid is hot Allow the temperature of the heater lid to cool down to ambient temperature before performing calibration The weights used should consist of standard OIML weights or some other type of non magnetic weights When placing a weight on the sample dish it should be placed so that the center of gravity of the weight is near the center of the dish The heater lid must be closed during calibration to prevent a calibration from being affected by drafts or breezes and the height of the weights used should be such that they do not come into contact with the temperature sensor or heater If you wish to abort a calibration already in progress press the key An Abort message will be displayed and the screen will return to a weight display B Scale calibration procedure Step Key s used Operating instructions Display With the display displaying the weight in grams press the o FIM mamme D n q mur a GUOU s ms OOO Press the key until the CAL menu item is displayed aaa 7 ical Teme Plc sas QOO Press the key This will cause the calibrat
41. e drying temperature the pre dicted value convergence range and the bias 8 This mode is designed for use only with materials which display a drying curve of the type generally referred to as an S curve When compared to other curves showing the degree of drying which takes place when the mois ture content of a given material changes as drying progresses an S curve is a curve in which the degree of change in moisture content i e AM in the initial stages of drying is low and then increases towards the middle of the drying process and then decreases progressively as the drying process nears completion Drying temperature Since the desired value is that which would be obtained when operating in automatic halting mode the drying temperature specified should be the same as that which would be specified in automatic halting mode Predicted value convergence range When operating in predictive operating mode predicted values are internally calculated every 30 seconds and while variation occurs in the calculated values the degree of variation grows smaller as more and more time elapses The FD 720 has been designed to treat the final predicted value as having been obtained when the range of variation falls within the predicted value convergence range The range of allowable variation in predicted final moisture content is referred to as the predicted value convergence range The predicted value convergence range may be s
42. e is displayed press the D Sp key The press the MODE field will then begin to flash Ta aoe DO If you wish to specify other measuring conditions settings press B the key to select the setting to be specified To exit from instead 28 4 Specifying settings for SLOW Low speed drying mode In low speed drying mode the temperature is raised more gradually than when performing measurements under normal conditions with it taking about 5 minutes from the time when measuring begins until the temperature reaches the specified drying temperature Either AUTO automatic halting mode or TIME timed halting mode may be specified to define the conditions under which measuring is to be halted To exit from specifying measuring conditions settings press the Step Key s used Operating instructions Display With the display displaying the weight in grams press the 25 au G FI q v nur TP Je If a password has been specified the message PASS will be memes G displayed to indicate that a password should be entered Follow pace OSs the instructions in 10 2 7 Specifying a password on p 46 to me fene BIAS ULI enter the password The CONDITIONS display area will begin to flash Press the NT elect il i moo fH o key until MODE begins to flash KB TEMP JEU With
43. e package Open the package and check to make sure all listed items are included 2 Installing the main unit Place the main unit on a flat stable surface where it will not be subject to vibrations or exposed to drafts or breezes nstall the main unit so that it is at least 10cm from the wall both to the front and back and to the left and right Make sure there is a space at least 30cm above the top of the heater cover Do not use it in a closed installation environment Depending on the sample heating may produce hazardous substances Install it in a location that can be adequately ventilated 8 Removing the stopper from the sample dish panel Sample dish panel When using the unit for the first time after purchase remove the scale stopper attached below the sample dish panel as indicated in the accompanying diagram Scale stopper 4 Checking the power settings Check the power conversion switch located on the rear of the main unit to make sure that it is currently set to the proper voltage setting for your power Source Power conversion switch Note that an error will occur if this switch is not set to a position matching the power source being used 14 Ensuring that the unit is level Turn the two height adjustment legs located at both sides of the lower rear of the unit to adjust
44. e parts must be oriented in a fixed direction for Grounding by screwing in assembly Note that placing parts in the wrong the grounding adapter direction may result in errors in operation or in erroneous readings being obtained and that you should take care that all parts are put into place in their proper positions Grounding adapter 16 7 Tips on how to ensure accurate measurements Points to remember when conducting multiple measurements in succession Placing a sample onto a sample dish which is already warm may cause moisture from the sample to evaporate before measuring is begun and cause errors to occur in measurement Always be sure to use a cool sample dish when performing a second or subsequent measurements You should also take care to allow an even amount of time to elapse between measurements as errors in measurement may occur if the temperature of the internal scale of the unit does not remain at a constant level Two sample dishes and two sample dish handlers are included Use of sample dishes and aluminum foil sheets It is impossible to obtain accurate measurements if residue from the sample last measured remains on the sample dish To avoid such problems either wipe the sample dish clean of any dirt or soil see 15 Maintenance on p 64 for further instructions or use disposable aluminum foil sheets to protect against residues soil or dirt Twenty disposable aluminum foil sheets are included
45. e right in the diagram shown here the handle may be placed either to the left or right and you should accordingly place the handle in the position you find easiest to use 15 9 Placing the sample dish into the tester Please the sample dish gently down onto the sample dish tray Close the heater lid D Connecting the power cord Insert the female end of the power cord into the power inlet located at the rear of he unit Then insert the power plug into the power outlet Connect the plug to a power outlet in an easily accessed location so that it can be pulled out immediately if there are any problems with the infrared moisture tester And be sure to always ground the main unit If there is no grounding terminal on the power outlet use a grounding adapter The shape of the power plug varies in different countries Use a power cord set suited to the shape of the plug that you actually use Power cord inlet Connector Installation method When grounding with the connector 42 Connecting the printer sold separately Grounding terminal equipped If you are using a printer connect the printer using Codi power outlet f the provided printer interface cable For instructions g Grounding terminal on how to use the printer see the separately aS provided VZ 330 Printer User s Manual Power cord Assembly is now complete When grounding with a grounding adapter Som
46. e types of output formats or output destinations as shown in the table below Output destination Output format Menu display Description Computer Numeric PC This is the setting which should be selected when using the Data Logger software KDL 01 or some other software to output data through the RS 232C interface Printer Numeric TBL This setting causes numeric output to be printed to a separately sold printer Graph GRP This setting causes graph output to be printed to a separately sold printer Any one of the six output intervals shown below may be selected to specify the frequency at which output is to be generated The output interval specifies the amount of time which is allowed to elapse during measurement before the next set of output is generated When there is no need to view intermediate data from before the time when the measurement is completed FIN may be selected so that only the final results are output FIN should never be selected when graph output has been selected when operating in comparative measuring mode as that would result in no predicted measurements being output Output interval Menu display Every 30 seconds 30S Every minute 1M Every 2 minutes 2M Every 5 minutes 5M Every 10 minutes 10M Final results only FIN 8 When graph output has been selected it is possible to specify the maximum and minimum valu
47. eached the test is halted Measuring time may be specified in 1 minute increments anywhere in a range from 1 to 240 minutes or measuring may be specified to be performed over a continuous period of 12 hours Condition specifying measuring conditions settings press the key Step Key s used Operating instructions Display With the display displaying the weight in grams press the 28e GIR 7 Bp J FINNI g ver ur temp JP c If a password has been specified the message PASS will be exem 7 displayed to indicate that a password should be entered Follow pace s the instructions in 10 2 7 Specifying a password on p 46 to gt Teue 1200 enter the password m The CONDITIONS display area will begin to flash Press the D key until MODE begins to flash ERI T ds temp fOe With the MODE display area flashing press the key This ds D iahli i i i woe dL p 1 will cause the highlight to shift to measuring mode selection and mas ca as as for the currently specified measuring mode to begin flashing wwe 20c ens ODO Press the key until TIM begins to flash T 6 If TIM is already flashing then proceed directly on to the next NU youn step wwe 12 Dc ens ODO When TIM begins to flash press the key This will cause aa G the measuring time settings to become active and for the currently S UU
48. ected 2 g ADS measurement base to begin to flash Mle ed peas Press the key until the desired measurement base is _ displayed The flashing item will change from MW to MD to bcd a SOL and back to MW again in sequence each time the seer 7777 san RS key is pressed Note that here a wet base MW has been ME ODD selected When the desired measurement base begins to flash press the E 7 key The currently selected minimum unit of display wil gt gt x e begin flashing Lu me DU LA u BAS UUU 6 Select from 0 01 to 0 1 and back to 0 01 again In this example we have specified units of 0 196 S05 Tue 20c sas QOO 37 Step Key s used Operating instructions Display When the desired minimum units of display begins flashing press mene G D Enter the key The minimum unit of display will then have been gu set and control will return to procedure nn B05 UNIT temp flc zm nnn PAS CiU Select Menu If you wish to specify other menu settings press the key to select the desired menu item If you wish to exit from specifying menu settings press the key 10 2 2 Specifying the type and format of output The FD 720 may be connected to a separately sold printer or computer so that measurement data can be output to the printer or computer There are thre
49. electing the CONDITIONS Measuring conditions storage area 24 9 2 2 Selecting the MODE Measuring mode aaaaaaaaaaas aaasanassaaassaansanani 25 9 2 3 TEMP Drying temperature nnns 34 F24 BaS EI 35 Menu Settings Mc 36 10 1 Types of Menu Settings ieu dues iu eed asla b wa Hal 36 10 2 Descriptions of Individual Menu Items a2aaaaxaaaansrannanannnnnnnnnnnnnannnnnunannnnunannnn 36 10 2 1 Selecting units measurement standard and minimum display units 37 10 2 2 Specifying the type and format of output sssssseeeeeee 38 10 2 3 Specifying sample codes a2naaaaaaaaassaas saasnnanannanannnsanansananannnnannnnnnnnnnnni 41 10 2 4 Setting the date and time 111 211 ua isbei issfl naa ka ba a laa 42 10 2 5 CAL Scale calibration sisirin assbll skan bla arar tak laa s a enne 43 10 2 6 Specifying a device ID s dva eerte teresa feret tke tn terna a es 45 10 2 7 Specifying a password ssssssssssssesessseseenee nennen nnne nennen nennt 46 10 2 8 Specifying the power settings aaanisaaaaaasaaaaas saaanausanaanananaunananaanaaanaan 47 11 Error Messages caue cerita n i onda i rs RR BR DA AR ER AKA RA RR 48 12 Predictive Measurements 22naannnnnnnaannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnana 50 12 1 A Description of Predictive Measuring sees m 50 12 2 Procedure for Obtaining Pred
50. ement Tabular output TBL YA VA R R R R R R R R R R RRR R R RR R R JI III II I IIIT III KETT ELECTRIC LABORATORY 65 4 7077 D 81 108 4 5253 4 88 11 4 4380 5 84 110 4 3811 8 33 110 4 3284 9 65 110 4 2989 10 40 110 4 2730 11 07 110 4 2537 11 57 110 4 2959 12 04 4 2231 12 38 110 4 2099 12 73 110 4 20833 12 91 110 4 1959 13 11 110 4 1901 13 27 110 4 1843 13 42 110 4 1611 13 51 110 4 1750 13 68 110 4 1723 13 75 110 4 1674 13 88 110 4 1663 13 31 c uumcgg cu cucugiunciu ciunciunc iu e dem e Dw wo co CO D Cn Cn CDD CDD Rm RR C2 020 3 Dl ee C Note on the decimal precision of printed weight data Model FD T20 s S N A cODO001 ID ABCD 123 Sample Code C Ol E Date Time 2003 08 08 415 24d Condition No e Unit Dru Base Moist e Mode Auto E dH Setting Temp 110C Auto Stor Cond 0 05 Bias H BB T ime Temp Mass Moist imin C ta OD 0 0 36 4 7460 0 00 Supplier KETT ELECTRIC LABORATORY Model FD 720 Serial number AC00001 Device ID ABCD 123 Sample code C 01 Date amp time of measurement 2003 08 08 15 24 Measuring conditions storage area 0 Measurement standard Dry base Measurement mode Automatic measuring mode Drying temperature 110 C Automatic halting conditions 0 05 Bias 0 00 Elapsed measuring time Changes in drying temperature Changes in weight Measured value Althou
51. er codes Any digit from 0 9 and letter from A Z or a hyphen i e may be specified as the value of the first or second character of the code e Only digits from 0 9 may be specified as the value of the third or fourth character of the code The digits in the third and fourth characters of the code are automatically incremented after each measurement with the value returning to 00 when it would otherwise exceed a value of 99 B How to specify sample codes Step Key s used Operating instructions Display With the display displaying the weight in grams press the o Bec comms 7 FINNI g mmo temp f c ws DUO Press the key until the CODE menu item is displayed amm G _cope TEMP e Press the key The highlight will then shift to the Berin specification of the sample code and the first character ofthe w g ans currently selected CODE will begin to flash wwe IP 000 ran sas GOO a Press the a keyor v key to select a digit from 0 to 9 a a 7 letter from A to Z or a hyphen Note that here A has been 2 222240 v selected yl a SOE wwe 1 Gee 3Hgog sas 100 When the desired character has been displayed press the aaa G key The first character Wil then have been specified and the g Bs second character will begin to flash me le Repeat steps 4 and
52. es of the range of values to be measured in 5 percent increments Measurement base Range of values to be measured Wet base Solid Minimum From 0 to Maximum 5 Specified in 5 percent increments may be set to any value from 0 95 Maximum From Minimum 5 to 100 Specified in 5 percent increments may be set to any value from 5 100 Dry base Minimum From 0 to Maximum 5 Specified in 5 percent increments may be set to any value from 0 495 Maximum From Minimum 5 to 500 Specified in 5 percent increments may be set to any value from 5 500 38 E How to specify the output format to be used Step Key s used Operating instructions Display With the display displaying the weight in grams press the o ELT mr nnnn sr Key LILILILI 9 Bas TEMP RP Press the key until the OUTPUT menu item is displayed me 120e TL s 000 Press the key This will cause the highlight to be shifted to g the output settings and cause the currently selected output g 7805 destination to begin to flash Sowa we DU Press the key until the desired output destination has been selected Pressing the key here causes the menu item lit up aa 4 to change from TBL to GRP to PC and back to TBL in L s Us l we fefhc sequence each time the key is pressed Note that here S
53. ge operating manual Optional equipment Printer set includes a VZ 330 printer a printer interface cable VZC 14 printer paper and an AC adapter printer paper 10 rolls package of aluminum foil sheets 500 sheets RS 232C cable VZC 52 Data Logger software KDL 01 TQ 100 sample crusher 4 Names of Individual Parts and Components 4 1 Names of Parts of Main Unit Heater lid Handle Observation window Heater Temperature sensor Wind shield Sample dish Sample dish handler Control panel Power switch Power conversion switch Power inlet RS 232C port Fuse holder Height adjustment legs 4 2 Parts and Accessories Sample dishes 2 Sample dish tray Packages of aluminum foil sheets 10 per package 2 Operating manual C2 Sample dish handler 2 Wind shield Spoon amp spatula set Spare T8A 250V fuses 2 Power cord Three prong plug adapter Note The shape of the power plug varies in different countries The actual accessory may be different from the one in this illustration 11 5 Display and Control Panel 5 1 Display 9 Perd aw z Ea UNIT OUTPUT CODE DATE e e INA Rial RIZ iz VS LM LUAM LIN 2 1 L r1 L r1 J Ao mumummummumEmmmmmmmm ZM eoo Display as it appears with the power on
54. ge bias The average bias may then be used to specify the bias to be used in predictive measuring mode Ifthe bias varies greatly from one time to the next when performing repeated measurements then it is probably safe to assume that a predicted measurement cannot be obtained If this happens you should measure in automatic halting mode or in some other mode instead of predictive If you wish to use the calculated bias to evaluate predicted measurements follow the procedure described in 12 2 2 Evaluating predicted measurements on p 54 if you wish to use the calculated bias to actually obtain predicted measurements follow the procedure described in 12 2 3 Obtaining predicted measurements on p 55 53 12 2 2 Evaluating predicted measurements Step Operating instructions Display With the mode set to comparative measuring mode specify the bias calculated sana G following the procedure described in 12 2 1 In the example shown here a bias D of 0 60 percent has been specified For information on the bias see 9 2 4 Bias on p 35 Do not change any other settings i e the predicted value convergence range and drying temperature at this time Place the sample onto the sample dish and begin measurement In the o Uc aenean G example shown here the initial weight is 10 478 grams Ir 14 g u
55. gh the minimum weight which may be displayed by the FD 720 is 0 001 grams weights Mass are printed to a precision of 4 decimal points because the values printed consist of averages from 7 measurements taken over each 30 second interval for each set of weight data output 57 Graph output GRP MYUVYYYWYWYY YY R R R R A R JJ R A R JJ J JJ I YI AY KETT ELECTRIC LABORATORY Model FD 720 S N ACODUDI ID ABCD 123 Sample Code B 20 DatesTime 2000 08 08 15 07 Condition Mo 0 c Unit Dru Base Moist Sr Mode Compare Setting Teme 110C e Auto Stop Cond 0 05 Fred Tol 0 5 c Bias H BBx Wet Mass 5 56832 Time Temp Moist im D 0 1 8 12 16 2 0 0 35 0 00 _1 _ WH 05 8 O68l P P Pd Pd d P 1 0 106 5 46 R __ _ _ _ H 1 5 HO 72681 tw I P 2 0 H 9 09 R _ _ _ 25 10 iat 1 i tt l 3 0 110 11 05 E 3 931 3 9 H tt 35 H0 Ut P fF P d 54 4 0 110 12 17 1 3 3 939 331 tl 45 10 1261 tei 5 0 110 12 94 m 55 H0 13221 d tal 6 0 110 BA 3 3 9 31 9 3 H 65 HD 31343841 I 1 7 0 10 13 7 E 3 19 3 9 3 3 L7 t ti d 715 H0 31399 Supplier KETT ELECTRIC LABORATORY Model
56. hrough eighth characters of the device ID will then be displayed with the first of the four characters flashing id VT TEMP i20 Just as with the first four characters repeat steps and until D the eighth character has been specified Note that here a value of l move FILET B uci 205 123 has been specified WT we Pec E sas GOO When the eighth character has been specified press the 2D cas G is wi i i PN g mou key This will complete the setting of the device ID and the LILILILI g display will return to the standard weight display nn GOS temp f hc nnn sas 00 45 10 2 7 Specifying a password In order to prevent the specified measuring conditions from being modified unexpectedly a pass word may be specified to prevent other users from changing the specified conditions The pass word is 4 characters in length and may be set using the following characters digits from 0 9 letters from A Z and hyphens i e If the password has been set to any password other than the default password of 0000 set at the time of shipment whenever the key is pressed to specify measuring conditions the indicator PASS is displayed in the weight display area and the user is required to enter a password B How to specify a password Step Key s used Operating instructions Display From the weight dis
57. ias Note sana G thathereabiasof0 2 hasbeenspecified j I m w mone PTT 5 EZ 5 sus 12 Dt T When the desired bias is displayed press the key The aa 7 display of the specified bias will change fromaflashingtoa iden constantly lit display and BIAS will begin to flash instead UT S If you wish to specify other measuring conditions settings press E the key to select the setting to be specified key instead 35 10 Menu Settings Measurement standards output data formats and other parameters may be selected as needed Always be sure to specify the desired settings before performing measurements When changing settings the same procedure is followed as when specifying settings for the first time All specified settings will be retained in internal memory so it is not necessary to specify settings when performing a new measurement 10 1 Types of Menu Settings Menu Menu display Menu items Description UNIT Display 1 Display 2 Used to select one of three possible measurement bases Measurement MW Wet base 0 01 The minimum units of display for moisture content may standard minimum MD Dry base also be specified here For further information see 10 2 display unit SOL Solid 0 1 1 Selecting units measurement standard and minimum display units on p 37 OUTPUT Display 1 Display 2 Display 3 Used to specify the format in which da
58. icted Measurements 2 iaaivaasssasssaasssaanana 52 12 2 1 Calculating the bias to be specified when operating in predictive imeasuremerit Moe lr e ede edP ux ERES RS 52 12 2 2 Evaluating predicted measurements 2aaaaiaaaaanasaanansnnansnnanannnnannnnana 54 12 2 3 Obtaining predicted measurements 22aaxaaivaassaaasanansanansanansannnnanani 55 13 Printing Output to a Printer Option eese 56 13 1 Sample Printer OUIDUL ioter ee ge aaa glad k k eee Ed 56 13 2 Outputting Past Measurement Data aaaaaaaaaaaasanassaannsnasnnanssnananansnnansnaanana 59 14 Computer lnteriac6 oiree rere tr tbt nn ama dun ukuuaKE Davauana asa annasunaaa kisan ana 60 14 1 RS 232C Interface Specifications sesssssssssssseseeeeeeenen enne 60 14 2 Setting Up and Transmitting Data aaaaaaaaaaaaaaassaaassanassansssanssnassnannaaansanansananaa 61 14 2 1 Connecting the RS 232C cable sss 61 14 2 2 FD 720 SONGS i i toten tee bie vans bears RR 61 14 2 3 Starting up the computer aaaasaaaivaassaasssaasssanssaansnaansaansanansannnsaannanani 61 14 3 Computer Output Formal incer eed n rea poker co ex a poet EEA re esti 62 15 Maintenance e 64 15 1 Performing Maintenance eesssssssssssesseeeeee n nnne nnn nnne nnn nnns 64 15 2 Repla
59. inciples of Operation This unit determines the moisture and solid contents of samples by heating them using infrared illumination and measuring changes in mass due to evaporation This is referred to as the loss on drying method and is the simplest method for determining moisture content and thus mandated by many public regulations related to measurement standards 2 2 Features UniBloc sensor The core of the scale is formed by a single unit aluminum UniBloc weight sensor which provides excellent responsive ness temperature characteristics and shock resistance This UniBloc sensor ensures excellent reliability in moisture content measurements even over extended use New Auto Taring mechanism The FD 720 comes with an internal Auto Taring mechanism which makes it possible to perform reset correction while performing measurements thus eliminating drift of the scale even when performing measurements over long periods of time and making it possible to obtain extremely reliable measurements Mid infrared quartz heating lamp The FD 720 uses a mid infrared quartz heating lamp with a central wavelength of 2 6 um This heater provides excellent drying efficiency over a wide range of different types of sample makes it difficult for differences to occur as a result of the colors of different samples and eliminates the overheating of sample surfaces thus making it possible to obtain ideal drying conditions What s more this heating lamp also p
60. ing Description specification of setting CONDITION CONDITION 0 9 Used to select the area to which measuring conditions are to be stored There are 10 storage areas labeled Measuring conditions from 0 to 9 See p 24 9 2 1 Selecting the CONDITIONS Measuring conditions storage area storage areas 0 9 AUT In automatic halting mode measuring is brought to a halt whenever the change in moisture content over two AUTO Automatic halting consecutive 30 second periods falls below the specified conditions for automatic halting For further mode information see 9 2 2 1 Specifying settings for AUTO Automatic halting mode on p 25 TIM Causes measuring to be completed when the specified amount of time has elapsed For further information TIME Timed halting see 9 2 2 2 Specifying settings for TIME Timed halting mode on p 26 mode RPD Causes the sample material to be rapidly dried until the amount of change in moisture content over a period of RAPID High speed drying 30 seconds falls below the specified quantity and for drying to then be continued at the specified drying mode temperature For further information see 9 2 2 3 Specifying settings for RAPID High speed drying mode on p 27 MODE SLW In low speed drying mode the temperature is raised more gradually than when performing measurements Measuring SLOW Low speed drying under normal conditions with it taking about 5 minutes from the time when measuring
61. ion settings to be w pomme displayed and the setting 100 000 to begin to flash FEI m RUT pey 5 2 Sup 8 095 To change the 100 gram weight value used here press the setect see A key This will cause the displayed value to stop flashing Next gt lnm press the a Jkeyor v key to enter a value for the weight Soi i33 BBS v Joe Pressing the key then causes the specified weight value to Dp Y nif ne begin flashing Open the heater lid and place a weight of the specified weight mus fj inside Closing the heater lid and pressing the key causes a T g N string of hyphens i e to be displayed 100 gram e delo calibration to come to an end and then a flashing value of 0 000 to be displayed MM LI ara 7 34 AE C3n4 C3 4 cow c 5 43 Step Key s used Operating instructions Display With the value 0 000 flashing open the heater lid and remove the weight Closing the heater lid and pressing the key causes a string 6 of hyphens i e to be displayed O point calibration to come to an end and then an END message to be displayed r M Ifthe unit is connected to a printer then a calibration record will L ra be automatically printed out After several seconds the display will return to the regular weight 20x nm display LLI 9 oos
62. is error is displayed when a sample is added during ER201 Occurs when weight increases measurement Press the key to make the error message by more than 0 1 grams disappear Invalid moisture content value Press the key to make the error message disappear ER202 Occurs when weight being measured is less than 1 grams Press the key to make the error message disappear ER306 Heater lid open Internal weight measuring unit Turn off the power and then turn the power back on again ER401 communications error Invalid weight used during scale Use a calibration weight of the correct weight ER501 calibration Press the key to make the error message disappear Instability encountered during Perform calibration again with the unit placed on a flat stable surface ER502 scale calibration not subject to the effects of external vibration drafts or breezes Press the key to make the error message disappear Power error Turn the power to the unit off check to make sure that the power ER701 conversion switch located on the back of the unit is set to the correct position and then turn the power back on again 48 If any of the following errors are displayed it indicates that a failure or breakdown of internal parts or components has occurred Contact the vendor from which you purchased the unit or the Kett Tokyo sales office or a local Kett office or sales office for assistance Message Source of problem ER3
63. item To finish specifying measuring condition settings Pressing the key at a time when any settings item is flashing causes the settings specified to take effect and cause the display to return to the normal weight display 23 9 2 1 Selecting the CONDITIONS Measuring conditions storage area Below is described the procedure used to select the area in which measuring conditions are to be saved This operation causes the measuring mode drying temperature bias and other currently specified measuring conditions to be saved to the selected area At the time of shipment the following settings are stored in measuring conditions storage areas 0 9 Measurement standard Drying temperature Measuring mode Bias Wet Base 120 C Automatic halting mode Change in water content of 0 05 over 30seconds 0 00 B Specifying settings for the CONDITIONS Measuring conditions storage area Step Key s used Operating instructions Display With the display displaying the weight in grams press the o 3B n ue key VNTM q venur TEMP Ieic If a password has been specified the message PASS will be G displayed to indicate that a password should be entered Follow Dac 5 uo the instructions in 10 2 7 Specifying a password on p 46 to icd rer pos enter the password i O The CONDITIONS display area will begin to flash NR RR SENE pu
64. me procedure to insert the RS 232C cable into the RS 232C port of the computer If the FD 720 has been moved check to make sure that the FD 720 is level and if not readjust until it is level See 6 Assembly and Installation of Main Unit on p 14 for instructions 14 2 2 FD 720 settings Turn on the power to the FD 720 and set the measurement data output destination to PC See 10 2 2 Specifying the type and format of output on p 38 for instructions 14 2 3 Starting up the computer Turn on the power to the computer and when Windows has started start the Data Logger soft ware KDL 01 or whatever software is to be used to read in data from the RS 232C interface For instructions on how to use your computer operating system Microsoft Windows or software being used see the user manuals provided with your computer operating system or software The Microsoft Windows name and logo are the trademarks and registered trademarks of the Microsoft Corporation in the United States and other countries 61 14 3 Computer Output Format Interface type RS232C Numeric output format JIS ASCII Delimiter code 0x09 tab Delimiter OxOD CR OxOA LF B Title output format at time of start of measurement Underscore characters i e _ are used below to indicate blanks i e 20 in hexadecimal akwWND 8 4 KETT_ELECTRIC_LABORATORY delimiter Model FD720 delimiter SN
65. n DO TBL has been selected 1 When the desired output destination begins flashing press the ot key This will cause the highlight to shift to the specification 2 2 g Bog of the output interval and for the currently specified output interval whee ied Aner to begin to flash a i Press the key until the desired output interval has been D selected Pressing the key here causes the menu item lit up g PUT 6 to change from 30S to 1M to 2M to 5M to 10M to FIN and odis E eee back to 30S in sequence each time the key is pressed iS ms OOO Note that here an interval of 1M has been selected When the desired output interval begins to flash press the key The next step to be performed here differs depending on the output destination specified in step 4 Procedure performed if TBL or PC has been selected The currently specified output destination will be displayed and monens 2 D the display will return to the state shown in step If you wish to w g 7805 specify other menu settings press the key to select the me lee desired menu item If you wish to exit from specifying menu settings press the key Procedure performed if GRP has been selected Control will shift to the specification of the range of measurement values described in step 8 and thereafter OUTPUT Tu L nnn sas JUS 39 Specifying the range of me
66. n more accurate predicted measurements it is recommended that when calculat ing the bias you should perform at least 5 comparative measurements and take the average of all measurements obtained to use as the bias You should also take care in terms of the amount of material and the way the sample material is placed onto the sample dish to ensure that the sample material is laid out as evenly as possible and sample amounts are similar Note that no predicted measurement or bias can be calculated if a predicted measurement is not obtained before the measurement is completed Predictive measuring mode It is possible to obtain actual predicted measurements by specifying the same drying temperature predicted value convergence range and bias as calculated when performing comparative mea surements in comparative measuring mode Note that measuring is halted if no predicted measurement has been calculated after 30 minutes have elapsed since the time when the measurement was begun 51 12 2 Procedure for Obtaining Predicted Measurements 1 Use the comparative measuring mode to calculate the bias to be specified to obtain the pre dicted measurement See 12 2 1 Calculating the bias to be specified when operating in predictive measurement mode on p 52 for instructions on how to do so 2 Use the bias calculated in comparative measuring mode in step 1 to specify the bias perform the measurement and evaluate the predicted measuremen
67. ng mode Timed halting mode with measurement times of 1 240 minutes or continuous measurement mode with a maximum measurement time of 12 hours High speed drying mode may be used with either automatic or timed halting mode Low speed drying mode may be used with either automatic or timed halting mode Stepped drying mode performs drying in 5 steps Predictive comparative measuring mode Temperature range May be set within a range of 30 180 C in 1 degree increments Display Backlit LCD display 137 x 43 mm External output RS 232C interface Communications Data may be output from the Data Logger software KDL 01 sold separately or similar software Storage of measurement conditions Allows for storage of 10 sets of measurement conditions Data memory Allows for storage of 100 sets of data Environmental conditions Pollution degree 2 Altitude up to 2000 m Temperature humidity operating range 5 40 C maximum of 85 RH Heat source Medium frequency infrared heater 200W x 2 Temperature sensor Thermistor Power supply Power consumption AC 100V 120V 50 60 Hz 900W AC 220V 240V 50 60 Hz 900W Weight and external dimensions 4 5 kg 220 x 415 x 190 mm W x Dx H Sample dish SUS sample dish Diameter 130 mm Depth 18 mm Items included 2sample dishes 2 sample dish handlers wind shield sample dish tray spoon amp spatula set 2 spare T8A 250V fuses 2 packages of aluminum foil sheets 10 per packa
68. opriate to deal with the problem Notes on using the control keys Z o Never turn on the power to the unit while holding down any of the control keys Never press any keys other than those directed or press two or more keys together at the same time unless directed to do so When there is any danger that the unit might be damaged by lightning remove the power plug from its socket Stopping operation The key can be pressed at any time during operation to halt operation lf you suspect for any reason that the product is not operating properly or that there is any sort of danger immediately press the key to halt operation Setup and storage Avoid using or storing the unit in a location where it would be exposed to excessively high or low temperatures high levels of humidity direct sunlight electromagnetic interference corro sive gases or large amounts of dust Place the unit on a flat and stable surface where it will not be subjected to significant vibration during use When moving the unit never tilt it any more than necessary Take care never to drop or bump the unit or otherwise allow it to be subjected to strong shocks or the application of excessive force When removing the power cord or RS 232C interface cable never pull on the cord or cable and instead hold the plug or cable connector when removing When the unit is not to be used over an extended period of time remove the power plug from its socket 2 1 Pr
69. ormat tab XXX X 5 byte measuring time tab XXX 3 byte of thermistor temperature tab XXX XXXX 8 byte sample weight tab Moisture content XXX XX 6 byte moisture content delimiter B Final measurement output format tab XXX X 5 byte measuring time tab XXX 3 byte of thermistor temperature tab XXX XXXX 8 byte sample weight tab Moisture content XXX XX 6 byte moisture con tent delimiter B Sample output Maker Model Serial number Device ID Sample code Date amp time of measurement Measuring conditions storage area Measurement standard 11 Measurement mode 1 uto Stop Cond 0 Drying temperature 13 Bias 0 00 Automatic halting conditions Bias Elapsed measuring time Changes in drying temperature Changes in weight Measured value 63 15 Maintenance 15 1 Performing Maintenance A Always be sure to remove the plug from its socket before performing maintenance Warning Removing parts and components Remove the sample dish first followed by the sample dish handler sample dish tray and wind shield in order Installing parts and components See 6 Assembly and Installation of Main Unit on p 14 for instructions on how to install parts and components 3 Remove any traces of spillage or soiling from samples Maintenance of the main unit Use a soft dry cloth to wi
70. p 35 for further information oe eve 805 vow PD T Place the sample onto the sample dish and begin measurement In the o goe puro example shown here the initial weight is 10 478 grams IL jae DUE a wm 1200 BIAS ano P leuc C min granis GF 5 C a move 7 MP 5s Ll n 1 005 MELLE ma 2M PS HIP When the final predicted value has been calculated it will be displayed In the lec Js Bene G example shown here the measuring time was 7 minutes and the predicted i130 Bes us measurement is 15 8 percent Teen Om debe MOLIS AM PAS OUUU Step Operating instructions Display Completion of measurement 1200 _ LJ min emm D Comoe reac Measuring will be completed when the conditions specified for automatic halting ib Lu E Aes Yo LLL D mode have been met When measuring is completed the bias will be displayed bini w lec in the bias display area If no predicted measurement is displayed even after 30 minutes has elapsed from the time when measuring was initiated it is probable that it is impossible to obtain a predicted measurement Measurement results G50 Predicted measurement Automatic halting mode measurement Bias 0 60 16 40 Automatic halting mode value 15 80 Predicted measurement Without changing any of the conditions used in steps 1 through repeat steps through 8 to measure again 5 times or more and calculate the avera
71. pe away any dirt or soil Avoid applying strong pressure when wiping even if you find dirt or soiling difficult to remove f you find it particularly difficult to remove dirt or soiling wet a cloth in water or in water with a small amount of neutral detergent wring the cloth thoroughly and wipe Next rinse the cloth in water and wring it out to remove any detergent and wipe again then allow to dry 5 Maintenance of parts and accessories Remove the spoon spatula sample dish and wind shield from the main unit and wash in water with a soft sponge Reattach to the main unit and wait until completely dry before using the unit again When using detergents be sure to follow the instructions provided with the detergent in Caution question Never use paint thinner benzene or any volatile cleaning agents or any abrasive cleansers or polishes Never use wire brushes or other hard cleaning tools 64 15 2 Replacing Fuses Remove the power cord from the unit The fuse holder is located at the rear of the unit Insert a slot screwdriver or similar tool from the top of the fuse holder and pull the fuse holder towards your body 3 Remove the fuses from the fuse holder and check to see if any are burned out If there are no burned out fuses return the fuse holder to its original position If there is a burned out fuse replace it with one of the spare fuses o
72. pecified as a percentage anywhere from 0 1 to 9 9 percent While specifying a higher value for the predicted value convergence range causes the final predicted value to be calculated more quickly the specification of a higher value may also result in greater degrees of error occurring in predicted values Conversely while it is possible to obtain more stable sets of predicted values when a lower value is specified for the predicted value convergence range specifying lower values tends to make it take significantly longer to calculate a final predicted value The value specified for the predicted value convergence range should ac cordingly be specified according to your objectives Note that the default setting for the FD 720 is a value of 0 5 percent 50 e Bias Bias is used to change the average lower limit of fixed values with respect to predicted measure ment values On the FD 720 a bias of anywhere from 9 99 to 9 99 percent may be specified When performing a comparative measurement the FD 720 automatically requests a bias to be used to correct measurements to match those obtained in automatic halting mode Comparative measuring mode In comparative measuring mode predicted measurements are displayed while measuring is in progress and measuring is halted under the same conditions as when operating in automatic halting mode The difference between the measured value and predicted value is displayed as the bias In order to obtai
73. play press the Enter key and hold the Enter Die NU i i eu key UIT g RT o key down while pressing the key 0000 205 050 The default password of 0000 will be displayed with the first character of the password flashing The indicator SEt will be Cee wooe ALT displayed in the weight display area Jee i ope Press the 4 keyor v key to select the desired character ana G i e a digit from 0 9 a letter from A Z or a hyphen Note that CL woe LET i acc 005 v here the letter 1 has been selected me Pe When the desired character is displayed press the key aaa G i 1 iB ml m MODE T The first character will then have been specified and the second cc 385 character will begin to flash me fele Repeat steps 3 and until the fourth character has been mom specified Note that here a value of 1234 has been specified C E L ai P DS TEMP 1200 When the fourth character has been specified press the 25 n s wil i MINNI ur key This will complete the setting of the password and the LILILILI 20S display will return to the standard weight display 46 temp JPR nnn BAS LUIS 10 2 8 Specifying the power settings This subsection describes the procedure to be followed in specifying the power settings to be used in accordance with the type of power being used Note that the voltages which may be specified differ depending on the power setting selected using the po
74. r with a compatible T8A 250V fuse 5 Return the fuse holder to its original position in the main unit 6 Insert the power cord back into the main unit Ifa fuse blows out again after being replaced then there may be a problem with your unit and you should have it checked and or repaired 65 KETT ELECTRIC LABORATORY 1 8 1 Minami Magome Ota Ku Tokyo 143 8507 Japan Tel 81 3 3776 1121 Fax 81 3 3772 3001 URL http www kett co jp E mail overseas kett co jp 0706 PA 0201 200
75. r breezes While it is possible to perform IY F TE le Dc measurements at such times there may be cases when it is impossible to LALILIS ammes GOO obtain accurate measurements at such times You should always be sure to conduct measurements in a location as free as possible of vibrations drafts breezes or any other harmful influences 20 Operating instructions Display AA Never open the lid to the heater while a measurement is in progress Doing so is not only hazardous but also could contribute to making it impossible to obtain accurate measurements If it is absolutely necessary to open the lid to the heater while a measurement is in progress to view the sample material or for some other reason limit the time the lid is opened to 15 seconds or less A warning buzzer will sound 10 seconds after the lid is opened and if the lid remains open for more than 15 seconds the measurement operation will be aborted and an ER306 error code will be displayed Pressing the key while the heater lid is open will cause a safety alert buzzer to sound and measuring to be stopped Measuring time display While a measurement is being performed the amount of time elapsed will be displayed in minutes The change in moisture content over each 30 second interval is displayed numerically and in scalar format where the scalar display may display a maximum change of 2 percent 30 seconds
76. red to specify the predicted value convergence range sasa sani settings see e Predicted value convergence range on p 50 we PU The current setting for the predicted value convergence range will DOE begin to flash Press the 4 keyor v key to select the desired automatic a move F E n g MED key instead 33 9 2 3 TEMP Drying temperature The following describes the procedure to be followed to specify the drying temperature to be used in drying samples when conducting measurements While the drying temperature is set to 120 C as the default temperature at the time of shipment depending on the type of sample its moisture content or other conditions the proper drying temperature to use may vary To find the proper drying temperatures to be used for different types of materials conduct repeated measurements until you find the correct temperature to use for each type of material The temperature may be set to a temperature of anywhere from 30 to 180 C in 1 degree increments Note that the drying temperature does not refer to the temperature of the material being tested but is instead the temperature detected by the temperature sensor and the drying temperature may differ from the temperature of the material being dried depending on the material s color moisture content type or shape Generally speaking drying is performed more quickly when a higher drying temperature is specified but if the temperature
77. rovides a long service life 5 10 times greater 20 000 to 30 000 hours than older infrared or halogen lamps A wide selection of measuring modes The FD 720 provides a wide selection of measuring modes automatic halting mode timed halting mode high speed drying mode low speed drying mode stepped drying mode and predictive measuring mode which makes it possible to perform measurements under the drying conditions most appropriate to the drying characteristics of the sample being measured The ability to store measuring conditions The FD 720 provides 10 measuring conditions storage areas which may be used to store sets of measuring conditions to be used for different types of materials thus reducing the amount of time involved in specifying settings before performing measurements Data memory The FD 720 is able to store up to 100 sets of measurement data in memory thus making it possible to output large batches of data all at one time Printer port The FD 720 is equipped with a printer port which may be used to connect to a separately sold printer thus making it possible to print out text or graph data showing final measurements or intermediate drying states while performing measurements Scale calibration The scale of the FD 720 can be calibrated and it is possible to print output during calibration meeting GLP GMP or ISO standards The ability to display changes in moisture content AM in a numeric and scalar display The
78. s where the units are placed or because of differences in the surrounding environ ment In such cases the bias of the unit that is to serve as the standard should be set to zero and the bias of the other units set to account for any such differences For information on how to specify the bias when operating in predictive measurement mode see p 52 12 2 1 Calculating the bias to be specified when operating in predictive measurement mode W How to set the bias Condition To exit from specifying measuring conditions settings press the Step Key s used Operating instructions Display With the display displaying the weight in grams press the En B Firm q ve ur ey LILILILI 9 O05 temp f fog If a password has been specified the message PASS will be D displayed to indicate that a password should be entered Follow poc c UB the instructions in 10 2 7 Specifying a password on p 46 to ae eile enter the password ws GOD The CONDITIONS display area will begin to flash Press the B key until BIAS begins to flash Coolie RUT p LLLI LIS With the BIAS indicator flashing press the key The a O highlight will then shift to the bias specification and the currently 0 J 2222 x 7 specified bias value will begin to flash ers 1200 RD ULI LI a Press the 4 keyor v key to select the desired b
79. shold level may be specified in 0 01 percent increments from 0 01 to 0 1percent Change in moisture content AM Specifying a smaller percentage causes measurements to approach a point of equilibrium but more time is then required for measurement Specifying a higher percentage lessens the amount of time required for measurement but measuring is completed while there may still be a wide variation in measurements The automatic halting conditions should be specified in accordance with your objectives and the type of sample being measured Measurement 96 Measuring time 30 seconds Step Key s used Operating instructions Display D Condition With the display displaying the weight in grams press the key n n Bee CONDITIONS EH If a password has been specified the message PASS will be displayed to indicate that a password should be entered Follow the instructions in 10 2 7 Specifying a password on p 46 to enter the password CoNDITioNSEHH move 21 1T DS wue f c sas 00 Select The CONDITIONS display area will begin to flash Press the key until MODE begins to flash cea voo fh T FINNA DEDS temp f c nnn sas OOO With the MODE display area flashing press the key This L Enter will cause the highlight to shift to measuring mode selection and K br for the currently specified measuring mode to
80. sing the key causes the specified day to be set and the highlight D Enter to shift to the specification of the 2 digit value for the hour portion of the oS E us current time Press the 4 keyor v keyto select the correct 2 digit NEP we doe 4 v hour S13 BIAS GUGA Pressing the key causes the specified hour to be set and the highlight B to shift to the specification of the 2 digit value for the minutes portion of the g a current time Press the a _ key or v key to select the correct 2 digit I we 120 a Lv minutes setting TRR me Pressing the key causes the specified minutes selection to be set and B only DATE to be displayed The clock will start counting from 0 seconds the PPS tees moment the key is pressed ke wwe 12Doc sas OOO If you wish to specify other measuring conditions settings press the D key to select the setting to be specified instead 42 10 2 5 CAL Scale calibration The scale is designed to allow it to be calibrated Calibration is performed at two points 0 and 100 grams The FD 720 may also be connected to a printer to make it possible to automatically generate calibration records in compliance with GLP GMP and ISO standards For further information see Printing calibration records when performing calibration on p 59 The power to the unit should be turned on at least 30 minutes before calibration is performed in order to ensure accurate calibration Th
81. sound again and the display will change to conditions storage area weight reading display mode Note that it is recommended that you always turn on the tester about half an hour before use in order to obtain consistent measurements 2 Specifying settings When performing measurements for the first time or when you wish to change current settings before measuring then you should specify the settings required for measuring here See 9 Specifying Measuring Conditions on p 23 and 10 Menu settings on p 36 for instructions on how to do so Placing the sample dish in the tester Open the heater lid place the sample dish on the handler and place the Grooves handler into the tester being sure when you do so that the grooves of the handler fit smoothly over the projection located at the rear of the wind shield If you have already placed the sample dish and handler as described in 6 Assembly and Installation of Main Unit then proceed directly to the next step When using an aluminum foil sheet or other wrapping because of the nature of the sample being measured place the wrapping on top of the sample dish 19 Operating instructions Display Performing a tare Shut the heater lid check to make sure that the steady state mark O is displayed and press the key A series of hyphens and the word TARE will be displayed the sample dish will move vertically an
82. splay and MODE will begin to flash wwe dec sas DO If you wish to specify other measuring conditions settings press e the key to select the setting to be specified key instead 29 5 Specifying settings for STEP Stepped drying mode In stepped drying mode it is possible to specify separate measuring conditions for up to a maximum of 5 steps Specifying a separate drying temperature and separate measuring time for each step makes it possible to specify finer grained sets of measuring conditions In Step 1 timed halting mode must be specified as the mode used to define halting conditions In Step 2 and subsequent steps it is possible to select between either automatic halting mode or timed halting mode If automatic halting mode is selected as the mode to be used in Step 2 or later that step becomes the final step Similarly when timed halting mode is selected and a value of 0 is specified as the measuring time the previous step becomes the final step Step Key s used Operating instructions Display With the display displaying the weight in grams press the o Ple SINIT 7 5 FINN q velur temp 200c BIAS lf a password has been specified the message PASS will be Gana G displayed to indicate that a password should be entered Follow Pl 1 L kr Ss the instructions in 10 2 7 Specifying a password on p 46 to RM z me deUe enter the password R The CONDITI
83. surement Type Menu display Formula Description Wet Base MW W D Percentage of evaporated moisture weight with w 100 respect to the weight before drying Dry Base MD W D Percentage of evaporated moisture weight with T x 100 96 D a respect to the weight after drying Solid SOL D Percentage of residual weight after drying with w 100 respect to the weight before drying While a measurement is being performed the weight at each point in time is used as the dry weight in calculating measurements 2 Selecting the minimum units of display Select whether the least significant digit to be displayed is to be 0 1 or 0 01 B How to select a measurement standard and minimum display units Note that the minimum unit of display has no effect when performing comparative measurements Step Key s used Operating instructions Display With the display displaying the weight in grams press the o 25 rn VIII q wt ODD The UNIT menu item will light up and the currently selected exem 7 measurement base will be displayed m woe LIT UNIT Press the key This will cause the highlight to shift to Press the key to select the desired minimum unit of display Pressing the key will cause the displayed units to change BIE 7 Move 31 7 specification of UNIT settings and for the currently sel
84. t See 12 2 2 Evaluating predicted measurements on p 54 for instructions on how to do so 3 Measure in predictive measuring mode See 12 2 3 Obtaining predicted measurements on p 55 for instructions on how to do so 12 2 1 Calculating the bias to be specified when operating in predictive measurement mode 52 Step Operating instructions Display Set the mode to comparative measuring mode See 9 2 2 6 Specifying sue j settings for COMPARE Comparative measuring mode on p 32 for a BED iL 29 instructions on how to do so me oU Specify the desired predicted value convergence range In the example shown a here a range of 0 5 is specified as HN SN Note that the predicted value convergence range specified affects the amount TEMP 1200 of time required for measurement and the accuracy of predicted measurements LE and that you should specify a range according to your objectives For further information see Predicted value convergence range on p 50 Specify the automatic halting conditions to be used e g 0 05 Tue A PE Specify the drying temperature to be used For further information see 9 2 3 TEMP Drying temperature on p 35 In the example shown here a m EPOS temperature of 120 C is specified rem ID BIAS Haga Set the bias to 0 00 See 9 2 4 Bias on
85. ta is to be output to Measurement PC 30S 30 secs a printer or computer The user may select the destination data output to which output is to be directed and the format in which ee 1M 1 min data is to be output TBL Output in 2M 2 min When graph output GRP has been selected it is also tabular format to printer 5M 5 min possible to specify the minimum and maximum values to be used in the range of measurements For further GRP Outputas 10M 10 min 0 00 information see 10 2 2 Specifying the type and format of graph to printer FIN Final result C OQO output on p 38 CODE Used to specify the sample code to be output to printer or Sample code OOOO computer For further information see 10 2 3 Specifying sample codes on p 41 DATE Display 1 Display 2 Display 3 Display 4 Used to set the internal clock This date and time is output Date amp time YMD Year Month Day Time as the Measurement time printed together with any output data written to a printer or computer For further MDY Month Day Year Time information see 10 2 4 Setting the date and time on p DMY Day Month Year Time 42 CAL Calibration Used to calibrate the internal scale For further information see 10 2 5 CAL Scale calibration on p 43 In addition to these settings it is also possible to specify other settings such as the device ID see 10 2 6 Specifying a device ID on p 45
86. tic halting conditions 0 0596 Bias H BB e Bias 0 00 Code Time Wet Mass Dru blass Moist it A 00 13 03 5 0245 d 4140 12 15 Sample code amp 01 13 31 5 5402 5 4269 2 25 Time of measurement A O2 14 02 5 1942 4 7745 8 08 Pre drying weight g A OS 14 33 4 8514 3 3481 18 62 Post drying weight g amp 4d 15 00 5 2647 4 9093 6 75 Measured value A O5 15 29 a 7Tdld 4 0335 14 93 4 06 16 00 5 9815 5 6465 0 65 Signature Signature Pressing the key after the completion of measurement cause the Graph output GRP signature field to be printed KETT ELECTRIC LABORATORY e Supplier KETT ELECTRIC LABORATORY Model FD 720 e Model FD 720 S Wo ACODOOI Serial number AC00001 ID ABCD 123 e Device ID ABCD 123 Date 2003 08 08 e Time of measurement 2003 08 08 Condition No e Measuring conditions storage area 0 Unit Dru Base Moist Measurement standard Dry base Mode Time e Measurement mode Timed halting mode Setting Teme 110C Drying temperature 110 C Drying Time lOmin Measurement time 10 mins Bias H BBX e Bias 0 00 Code Time Moist e 0 4 8 12 16 20 B 0 10 02 19 54 H Sample code B 02 11 00 6 23 3 93 8 3 3 3 H 9 4 Time of measurement FR 11 59 15 41 mH Measurement graph BM 130 3 95 HA AA H vH ttt B 05 14 02 14 12 m B 06 14 59 14 59 eA Output showing the intermediate values obtained during a single measur
87. ture temperature on p 34 BIAS 0 00 This parameter is used to specify a numeric value to be used to correct measurements for bias A bias Bias value anywhere in the range of from 9 99 to 9 99 may be specified in 0 01 increments For further information see 9 2 4 Bias on p 35 9 2 Descriptions of Individual Measuring Condition Settings For a detailed description of individual measuring condition settings see the instructions on how to specify the settings for each item in subsection 9 2 1 and subsequent subsections To start specifying measuring condition settings Press the key at a time when the display shows a weight reading 2 If any password other than the default password of 0000 has been specified then a PASS message will be displayed in the weight display area When this message is displayed follow the instructions provided on p 46 10 2 7 Specifying a password to enter a password If the password entered is incorrect the display will return to the weight display 3 Selecting individual measuring conditions First a CONDITIONS message will flash on the display Pressing the key at this time causes the flashing item to change in sequence from MODE to TEMP to BIAS to CONDITIONS and back to MODE and so on each time the key is pressed When the item for which you wish to specify settings is flashing press the key At this point it will be possible to specify the settings for the flashing
88. u Eos rar 1280 BIAS 350 Sho dee C min SENS G I Cc i move M FO 5 ici 2 Zl 005 1 MEI IO LEJ mana AM S Gy When the final predicted measurement has been obtained a predicted measurement adjusted by the specified bias here a bias of 0 60 will be o Ta ame displayed In the example shown here the measuring time was 7 minutes and uy 47 e ay the predicted measurement is 16 10 percent Um C ete s B 5 at mms O50 Completion of measurement JOD Dn suas G Measuring will be completed when the conditions specified for automatic I5 ur REN halting mode have been met age nid Hebe anas G90 Measurement results Predicted measurement corrected by the specified level of bias 0 60 15 50 Predicted measurement when a bias of 0 is specified 0 60 specified Cy level of bias Automatic halting mode measurement Bias 0 90 16 40 Automatic halting mode value 15 50 Predicted measurement when bias is O Note that the specified bias 0 60 does not affect the bias displayed here Without changing any of the specified in step D repeat steps through 4 to measure again 5 times or more and obtain a comparison of the values obtained when operation in automatic halting mode and predictive measurement mode If the difference between the two sets of values is within an allowable range then the specified bias may be judged to have been an appropriate one If the difference between the two sets of v
89. until the level bubble falls within the red circle The level is located to the left of the control panel The tester is perfectly level if the bubble appears in the center of the red circle when viewed from directly above Not level Level Height adjustment legs A Level is located to the left of the control panel Bubble Installing the wind shield Open the lid of the heater hold the wind shield by the knobs on the top and place it on top of the sample dish panel so that the two round holes in the wind shield fit over the stays of the sample dish panel Place the wind shield firmly into position so that it does not come into contact with the black projection located at the center of the main unit sample dish panel Attaching the sample dish tray Place the sample dish tray gently into the sample dish panel at the center of the main unit being sure when you do so that the round hole of the sample dish tray fit smoothly over the stay on the sample dish panel Round hole Sample dish Attaching the sample dish handler Next attach the sample dish handler being sure when you do so that the grooves of the handler fit smoothly over the projection located at the rear of the wind shield Grooves While the sample dish handler is shown with the handle being placed to th
90. until the fourth character has been ified When the fourth character has been specified press the key The sample code just specified will then be displayed and the noms J D display will return to the state described in step es udi e eoe me 12000 A 25 sas OOO Sajeci If you wish to specify other measuring conditions settings press the key to select the setting to be specified Menu To exit from specifying measuring conditions settings press the key instead 41 10 2 4 Setting the date and time This section describes how to set the date and time Note that while the internal clock is already set at the time of shipment the following procedure should be used whenever resetting the clock Also note that the date and time of measurement are output whenever measurement data is output to a printer or computer E How to set the date Menu To exit from specifying measuring conditions settings press the key Step Key s used Operating instructions Display With the display displaying the weight in grams press the key o 20c SIR 7 Menu nnnn gu LILILILI 305 TEMP ee Press the key until the DATE menu item is displayed B DATE TEMP Je Press the key This will cause the highlight to shift to the output DATE format and the currently selected output format to be displayed a The o
91. utput format will be displayed in the order YMD year month day and soe Gg ud uu time MDY month day year and time and DMY day month year and DATE we lec time UL U Press the key until the desired output format is displayed Each time B the key is pressed the display will change from YMD to MDY to BT AE ou 2x DMY and back to YMD again pss st T EUN Note that while we describe the procedure to be followed when specifying E dates in YMD format the order in which settings are specified in steps 5 through 7 differ depending on the format selected When the desired output format has been displayed press the key B amp Enter This will cause the highlight to shift to the specification of the date and the 2 mmi md xe digit value for the currently specified year to begin to flash Press the 4 Maz owe TEMP 120 c 4 v key or v key to select the correct 2 digit year S MM Pressing the key causes the specified year to be set and the highlight D Enter to shift to the specification of the 2 digit value for the current month Press the a eee Gg O me ou 5 4 v 4 Jkeyor v key to select the correct 2 digit month auo ome mwe IP Ent Pressing the key causes the specified month to be set and the B D mer highlight to shift to the specification of the 2 digit value for the current day siete EIS Pressthe 4 keyor v key to select the correct 2 digit day liz vmm me 1200 KL alc o md Pres
92. wer conversion switch Note that this setting must be specified when using the FD 720 in countries outside of Japan or whenever there is a change in the type of power source being used B How to specify the power settings Step Key s used Operating instructions Display Tum on the power while holding the key pressed down Note that you should not remove your finger from the key until a string of hyphens i e are displayed Turn on power A tone will sound the display will light up with all items lit and then O 888c G88 min mum g change to display first CHES and then a string of hyphens i e HH eee At the bottom left of the display will be displayed the Phe icy currently specified power settings ruc C LHE 5 If the power conversion switch has been set to 100 120V then pressing the key will cause the display to switch from 100V 22 2 to 110V to 120V and back to 100V in sequence If the power m conversion switch has been set to 220 240V then pressing the key will similarly cause the display to switch from 220V to 230V to 240V and back to 220V in sequence Note that here a voltage level of 120V has been specified When the desired voltage is displayed press the key The display will then change from CHE4 to CHEO in sequence with CHE Hu the specified voltage still displayed A tone
93. will then sound and the display will return to the regular Bec E G i i FINN q velur weight display LILILILI g TEMP BIAS 47 11 Error Messages If any of the following error messages are displayed follow the procedures described below to check for the cause of the error and take appropriate action to remove the error If the error cannot be removed by following the procedures described below then you should contact the vendor from which you purchased the unit or the Kett Tokyo sales office or a local Kett office or sales office for assistance Message Description Action to be taken The scale stopper located below Remove the scale stopper located under the sample dish panel ER102 the sample dish panel has not See item 3 in 6 Assembly and Installation of Main Unit on p been removed 14 for instructions The sample is too light i e The minimum sample weight which can be used with this product ER103 under 0 5 grams is a weight of 0 5 grams Try measuring again using a sample of at least 0 5 grams in weight Press the key to make the error message disappear The sample is too heavy i e The maximum sample weight which can be used with this over 120 grams product is a weight of 120 grams Try measuring again using a ER104 sample of less than 120 grams in weight Press the key to make the error message disappear Invalid moisture content value Th
94. y of the specified temperature will change gt gt gt Ru S from a flashing to a constantly lit display and the TEMP indicator DRE 105 0 will begin to flash instead TUE If you wish to specify other measuring conditions settings press the key to select the setting to be specified Condition To exit from specifying measuring conditions settings press the key instead 34 9 2 4 Bias When necessary measurements should and can be corrected for bias The bias may be specified with a value of anywhere from 9 99 to 9 99 in 0 01 increments A bias should be specified in cases like those described below Many different conditions sometimes result in measured values as measured using the FD 720 failing to meet with expected standard values When this happens a bias may be set to correlate the value as measured by the FD 720 and the expected standard value In most cases it is possible to change the measuring conditions used to make the measurements obtained using the FD 720 to match the expected standard values but when such conditions would cause the sample to be burned would cause the time required for measurement to become too long or otherwise result in problems a bias should be specified instead When using more than one unit there may be times when it is impossible to obtain identical measurements even when the same measuring conditions are used because of differences in the location
95. y such materials The same also applies to the use of any materials which might cause hazardous chemical reactions to take place when heated When heating materials that would first dry along the surface and then allow the internal pressure to rise A excessively there is a danger that heating such materials could cause them to rupture Such materials should never be measured as doing so could be dangerous f any materials being measured ignite immediately remove the power plug from its socket and take A appropriate measures extinguish the fire Heating materials which would present a risk of explosion or combustion or materials which could give Never place any easily flammable objects near the product AC The components of the infrared moisture tester can become very hot when measurements are being taken or immediately after measurements have been taken The heat could cause objects or materials to catch fire if they were to come into contact with the unit an d no easily flammable objects or materials should be kept near the product Never place any objects which might easily be damaged by heat near the unit as doing so might result in deformation or damage to the objects in question No objects should ever be placed upon the heater If you see fire coming from the unit or notice smoke an odd smell or any other sign of abnor mal functioning remove the power plug from its socket or take whatever other steps would be appr
96. zard ON 10 Precautions to be observed when taking measurements 6 Description of Features and Principles of Operation 8 2 1 Principles oft OperaltiOhis sive uoce oot e eee an et eed abeo aad 8 2 2 Iu 8 2 3 Applications i e materials which can be measured a22aaaaasasasassassnsaaa 8 SPECING ANIONS me aaa 9 Names of Individual Parts and Components 10 4 1 Names of Parts of Main Unit vavi ssconnocoiobtontnom tak SSM D L 10 4 2 Parts and ACCOSSOTFIGS socis anakana aaia ede be kou na Re su aa AAKER E Ree dr nad 11 Display and Control Panel 222nanaaaavvn n avunnnnnnnnunnnnnnnnnunnnnnnnnnnunnnnnnn 12 AME EE 12 5 2 Control Panel Operations sisien aa ieia a a a nia ea ea AET 13 Assembly and Installation of Main Unit 14 Tips on how to ensure accurate measurements 17 How to Conduct Measurements a22nnnaaaaannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 19 Specifying Measuring Conditions aaaaaaaaaan vnunanvnn nnnnnnnnnnnnnnnnnnnnnnnunnnna 23 9 1 Types of SetlinigS coe ceeiciece eterne eh anne dr da nane dere nennen ee Nube E EN Rue Ld e aka adaa sin 23 9 2 Descriptions of Individual Measuring Condition Settings sessssse 23 9 2 1 S

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