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User Manual Moisture Analyser

1. 1 control thermometer probe 2 15 mm distance sleeve that ensures proper level above pan 3 moisture analyzer internal sensor J Diets rire hate 1 E Before executing temperature correction inscribing T1 and T2 temperature drying cycle must be made with inscribed T1 temperature and drying time 15 minutes Single use pan a new one should be put on the pan When drying process is almost done write down moisture analyzer temperature indication T value on the left side of moisture analyzer display and control thermometer indications Both indications are needed for correction CORRECTION TEMPERATURE 1 Device temp T1 2 Contr temp T1 Subsequently make drying cycle for T2 temperature drying time as above 15 minutes and write down indications again This way both T2 indications are inscribed CORRECTION TEMPERATURE 3 Device temp 4 Contr temp 26 USER MANUAL Moisture analyzer internal thermometer correction is made with internal thermometer and control thermometer on the same level 11mm above the sample Attention The temperature indicated by thermometer situated on some level above the sample can differ from real temperature of the sample In this case if there is a need for temperature indication correction simply lower the level of control thermometer by removing distance sleeve During correction control thermometer can t touch the sample Correct U
2. Samples quantity 2 3 4 or 5 3 Drying temp 60 C Ae A i 4 Samples quantity OFF amount deciding of drying end in 5 Sampling interval 10s case of Short mode only 6 Drying time 0 00 10s Sampling interval interval 7 Drying profiles between successive mass i ag ngs SIOUNY 1 measurements 1 180s Drying time 1s 10h in Short SETTINGS mode it will be the maximum allowable time for drying process Mode Time mode Drying profile standard slow Calculation m0 m m0 100 step or quick type Drying temp 60 C f anae aiie OFF Settings storing number o Drying time 0 00 10s settings will be stored Drying profiles To finish settings select Exit and Settings storing 1 press ENTER Exit 1 2 3 4 5 6 7 8 Note All defined parameters are stored in the memory until the next changed also after unplugging the device from the mains 18 USER MANUAL 11 4 1 Drying profiles SETTINGS 1 Mode Time mode Drying profile will be used to 2 Calculation m0 m m0 100 optimization of drying process by 3 Drying temp l 60 C accommodation a process to 4 Samples quantity OFF 5 Sampling interval _ 408 physical properties of sample 6 Drying time 0 00 10s material 7 Drying profiles eae Step or slow profile can be used to oxidizing or surfaces thicken ENTER materials Quick profile can be used to immune materials SETTINGS Profile chooses and hi
3. User Manual Moisture Analyser AGS series Measuring method description File 2013 07 28 AGS 103 AGS075T1 GB 2 USER MANUAL Contents General description Completeness Security rules Environment protection Technical data Keys and indicators Preparing moisture analyser to work Interfaces General working rules 10 Description of thermogravimetric analysis 10 1 Infrared radiation source 10 2 Infrared radiation drying description 10 3 Drawing and preparation of a sample 10 4 Tools requirements 10 5 Single use pans 10 6 Placing a sample 10 7 Glass fibre filter 10 8 Selection of drying parameters to the sample material 10 9 Other practical notes 11 Moisture analyser functioning description 11 1 Switching on 11 2 Drier operation modes 11 3 Calculation methods 11 4 Drier operation parameters setting 11 4 1 Drying profiles 11 5 Moisture analyser settings storing 11 5 1 Saving settings 11 5 2 Loading saved settings 11 6 initial moisture analysis 11 7 Proper moisture analysis 11 8 Internal thermometer indications correction 12 Connecting to a computer or a printer 13 Testing and calibration of the balance 14 Moisture analyser as a balance 14 1 Autotaring 14 2 Balance calibration 14 3 RS 232C settings 14 4 Printout parameters 14 5 Date and time settings 14 6 User language 15 Maintenance and repairs of small defects Declaration of Conformity Drying parameters for different substances
4. After initial heating is completed or terminated the device displays the following information m0 m m0 100 Ts 120 C ts 0 10 00s T 32 23 C m 0 000g 0 0 0 t 0 00 00s m0 0 000g START SET MEM STOP Legend m0 m m0 100 formula used to calculate the moisture Ts defined drying temperature ts defined drying time T current temperature in the drying chamber m current weight t current drying time m0 initial weight indicator of drying profile USER MANUAL 15 11 2 Drier operation modes During the balance drier operation sampling of the mass on the pan takes place Sampling time is set by the user according to drying process speed As a result of sampling the current humidity value is calculated and displayed Measurement is finished depending on selected Drying mode 1 In Time mode total humidity measurement time Drying time is defined by the user 2 In Short mode humidity measurement is finished when drying is stopped and differences of a few successive mass samples are smaller than threshold value 2 mg Amount of successive samples taken into consideration is defined as Samples quantity Measurement is finished when Drying time is exceeded at the latest KH Start Ts Qualifying amount 3 samples Drying chart in Short mode for Samples quantity 3 16 USER MANUAL 11 3 Calculation methods Humidity may be calculated upon
5. Byte 10 digit Byte 12 k l c p or space Byte 13 g b t cor Byte 15 CR 0Dh Byte 16 LF OAh 14 4 Printout parameters This function enables to select following information for printouts successive measurement number current date and time for each measurement user information available on demad additional information entered with external keyboard USER FUNCTIONS Autotare l l Calibration Press MENU key choose Print settings RS 232C settings and press ENTER key Print settings Exit USER FUNCTIONS PRINT ADJUSTMENT Using A and v keys choose desired Measure number option and press ENTER key Date and time User printout Exit 36 USER MANUAL 14 5 Date and time settings This function enables to set curent time and date used in printouts USER FUNCTIONS Autotare Press MENU key choose Time amp Date Calibration settings and press ENTER key RS 232C settings Print settings Time amp Date settings Ent Using A and v keys choose desired USERIFUNCTIONSIIDATESITIMESETTINGS YaUe and Press ENTER key 1 Time 09 11 03 2 Date 2006 03 31 Exit Use digit keys to enter correct values and press ENTER key to accept USER FUNCTIONS DATE amp TIME SETTINGS 1 Time 09 11 03 2 Date 2006 03 31 Exit 14 6 User language This function enables to change user language used for
6. Analysing time min 1 Acrylate seal 3 mix a sample 9 2 Granulated acryl 10 15 80 12 3 Acryl ester 1 5 mix a sample 19 4 Active coal 10 80 9 8 S Active coal 7 6 80 4 1 6 Cream 1 5 10 9 7 Cream 2 10 8 8 Cotton seeds 3 4 110 grind a sample for min 6 3 9 Cheese 2 160 13 3 10 Bean 4 5 150 grind a sample 9 7 11 Roasting sauce 2 6 1 12 Butter 1 7 140 tear up a foil 4 3 13 Cellulose acetan 5 5 6 50 1 3 14 Photo paper 2 150 tear up in 1 cm pieces 6 4 15 Dialyse membrane 0 5 80 cut into thin slices 2 2 16 Dialyse membrane 0 5 0 7 80 cut into thin slices 2 17 Leak stopper 3 160 7 18 Glue dissolvent 1 5 140 9 5 19 Dolomite 10 12 160 6 1 20 Drawing ink 1 5 120 10 21 Pea 3 5 135 grind for 30 sec 7 9 22 Peanuts 2 8 100 grind into thick powder 4 23 Peanuts 3 100 grind into thick powder 6 24 Mint pastilles 3 3 4 90 grind into thick powder 2 9 25 Powder paint 1 5 120 3 5 26 Ceramics clay 2 5 160 cut into thin slices 9 27 River water 4 160 mix a sample 20 28 Icing sugar 5 130 20 29 Dissolvent 2 155 mix a sample 7 6 30 Cottage cheese 6 140 mix a sample 31 Feeding stuff 3 4 150 5 7 32 Dry beans 3 4 105 grind a sample 5 23 Dry peas 5 7 110 grind a sample for 10 sec 9 6 34 Dry carrot 5 5 6 120 grind a sample 3 35 Dry chicken excrements 4 140 8 36 Dry corn 5 7 110 grind a sample 10 37 Glass powder 8 10 160 5 38 Balsam 0 01 145 9 39 Balsam 1 130 8 40 Nuts 2 2 100 grind into thick powder 3 8 41 Nuts in shells 2 6
7. the basis of various mathematic formulas defined in balance drier as Calculation method 1 Relative humidity defined in relation to initial mass Ww Mo M Mo 100 where Mp initial mass m current mass 2 Relative humidity defined in relation to current mass w Mo m m 100 3 Percent current mass content in sample w m mo 100 Drying temperature is maximum temperature measured by sensor located in the dried material vicinity Note that the dried material temperature may be higher than its surrounding temperature USER MANUAL 17 11 4 Drier operation parameters setting m0 m m0 100 Ts 120 C ts 0 10 00s Select Settings option by pressing F2 T 32 23 C key Sv are teh m 0 000g t 0 00 00s With the navigation keys A and v m0 0 000g successive menu positions are selected e g Mode START SET SETTINGS 1 Mode Time mode To go to options selection press 2 Calculation m0 m m0 100 ENTER 3 Drying temp 60 C Appropriate option e g Time mode 4 oe on ae is selected with the navigation keys lt a Ding E OAOE and gt Selected option is accepted 7 Drying profiles N ST 8 Settings storin f et the following positions Exit f Operation Mode Time mode or short mode gt Calculation method humidity SETTINGS calculation formula Drying temperature temperature in 1 Mode 3 Time mode drying chamber 2 Calculation m0 m m0 100
8. thermal conductivity of the sample The better the conductivity the faster drying process and volatile matter evaporation During drying process sample parameters change its thermal conductivity decreases so there is a risk of burning the sample Some parameters may be estimated by sight e g smooth and light surfaces reflect radiation better This must be taken into account when setting drying parameters USER MANUAL 11 10 3 Drawing and preparation of a sample As sample of given substance must be representative drawing and preparing a sample is very important process as it affects repeatability of measurements The most common method of homogenizing a sample is mixing The other method is to draw few samples from different but specific points in a substance and calculate an average value Another to draw few samples from different points in a substance mix them and draw a sample from the mixed samples Sampling method depends on the object of a research For quality purpose many representative samples are analysed In production control it is enough to assure sampling repeatability which enables to study a tendency While preparing and drawing it is important that the sample does not absorb moisture from the environment it is advised that operation time is as short as possible If it is necessary to analyse more than one sample at the same time the samples should be closed in plastic bags or other isolated containers Giv
9. weight Weight difference 2006 10 17 2 AGS044 200 000g external weight value used for last calibration unused parameter unused parameter unused parameter USER MANUAL 33 Calibration operation sequence USER FUNCTIONS Autotaring Calibration RS 232C settings Print settings Exit USER FUNCTIONS CALIBRATION 1 External calibration 2 External weight 200g 3 Report printout 4 Exit CALIBRATION External calibration taring CALIBRATION External calibration Put on calib weight _200g CALIBRATION External calibration remove the calib weight Press MENU key choose Calibration and press ENTER key If necessary enter the correct value of used calibration weight using External weight option Select External calibration option and press ENTER to start calibration Wait until tare process is finished Place proper calibration weight on the pan Remove the calibration weight from the pan After completing calibration process the balance is the weighing mode 34 USER MANUAL 14 3 RS 232C settings To establish a connection between the moisture analyzer and a printer or a computer set identical transmission parameters for both devices Default parameters for the moisture analyser are 8bit 1stop no parity 4800bps To set different transmission parameters switch the analyser to weighing mode using t key press
10. 100 grind into thick powder 4 5 42 Soda bihydrate 1 6 160 12 43 Coffee 2 150 8 44 Instant coffee 5 mix a sample 10 45 Coffee seeds 3 5 4 120 grind a sample for 1 min 8 46 Cocoa 2 5 105 4 47 Cocoa 6 mix a sample 9 48 Cocoa seeds 4 5 130 grind a sample for 7 8 powder 49 Limestone 12 14 160 5 50 Dry potato pieces 2 5 3 0 130 divide a mass 5 8 51 Ketchup 2 120 18 52 Silicon gel 9 5 115 4 5 53 Silicon acid 1 5 mix a sample 3 54 Coal powder 4 160 3 4 59 Natural chalk 8 160 1 7 56 Synthetic chalk 6 mix a sample 4 57 Granulated sugar 3 90 2 8 58 Resin dissolvent 2 160 mix a sample 5 9 USER MANUAL Initial weight Temperature No Substance g C Preparation Analysing time min 59 Latex 1 2 160 52 60 Latex LE1 3 5 125 10 8 6l Latex LE2 3 5 125 9 4 62 Latex 044 3 5 125 9 4 63 Lentil 4 135 grind a sample for 30 sec 5 4 64 Loess soil 10 15 160 5 5 65 Loess soil 2 5 160 cut into small pieces 14 5 66 Skimmed milk 5 110 mix a sample 67 Skimmed milk powder 4 90 5 5 68 Cottage cheese 1 2 130 mix a sample 8 69 Corn starch 2 160 52 70 Almonds with caramel 3 5 80 grind into thick powder 4 8 71 Normal almonds 2 5 100 grind into thick powder 5 3 12 Almonds 3 100 grind into thick p
11. MANUAL 31 14 2 Balance calibration Calibration with external weight standard should be performed in case indications exceed permissible error To calibrate the balance use calibration weight as stated in Technical Data table or of better accuracy Calibration options USER FUNCTIONS Autotaring Calibration RS 232C Print Exit USER FUNCTIONS CALIBRATION 1 External calibration 2 External load 200g 3 Report printout 4 Exit USER FUNCTIONS CALIBRATION 1 External calibration 2 Externalload 200g 3 Report printout 4 Exit USER FUNCTIONS CALIBRATION 1 External calibration 2 External load 200g 3 Report printout 4 Exit Press MENU key choose Calibration option and press ENTER To calibrate the balance use External calibration option described in further part of the instruction Option External weight enables to enter the value of used calibration weight Choose External weight option press ENTER and use gt and lt keys to select desired value It is advised to use as great weight value as possible To print a calibration report connect a printer and use Report printout option Calibration report is a proof of correct calibration process and may be useful for balance diagnostics 32 Report example USER MANUAL Date 2006 10 17 Time 13 07 Date of production Serial number Program version External weight Factory weight Internal
12. MENU key and choose RS 232C settings function Choose between the following parameters transmission speed 1 200 115 200bps number of bits in a sign 7 or 8 bits parity control none even odd protocole mode default value LONG transmision mode after pressing E key with stable indication after pressing C key independently of indication stabilisation automatically after stabilisation of each measurement continuous in 0 1s periods USER FUNCTIONS Autotare Calibration RS 232C settings Print settings Press MENU key choose RS 232C settings and press ENTER key Exit USER FUNCTIONS RS 232C Select desired parameter with A and v keys and press ENTER key Baudrate 4800 Bits 8 bit Parity none Protocol LONG Sending mode Butt P amp stab Exit USER FUNCTIONS RS 232C Using lt and gt keys choose desired Baudrate lt 4800 gt value and press ENTER key Bits 8 bit Parity none Protocol LONG Sending mode Butt P amp stab Exit USER MANUAL 35 Data transmission protocol description Long protocol Transmission parameters 8bits 1stop no parity 4800bps Computer Moisture analyzer initialising signal S CR LF 53h 49h ODh OAh Moisture analyzer Computer balance indication in the following format 16Bytes Byte 1 sign or space Byte 2 11and14 space Byte 3 4 digit or space Byte 5 9 digit decimal point or space
13. analyser use only mains socket with ground contact e Dryer chamber cover heats up to 40 C but perforated cover at the top may heat up over 60 C Do not touch the cover top during drying as it may cause severe burns e During heating the halogen heaters warm up to very high temperature Avoid touching the heaters as it may cause severe burns e All repairs and necessary regulations can be made by authorised personnel only e Do not use the analyser when its cover is opened e Do not use the analyser in explosive conditions e Do not use the analyser in high humidity e If the device seems not to operate properly plug it out of the mains and do not use it until checked by authorised service USER MANUAL Nn 4 Environment protection According to legal regulations it if forbidden to dispose wasted electronic equipment in waste containers e Please return wasted device to the point of purchase or other company specialised in recycling of wasted electronic components 5 Technical data Type Maximum sample weight Minimum sample weight Reading unit d Verification unit e Tare range Accuracy class Working temperature Analyser resolution Moisture measurement accuracy Max drying temperature Sampling time Maximum drying time Oven dryer nominal power halogen I 118mm Warm up time 100 C Pan size Drying chamber dimensions Weight Device dimensions with leg
14. analysers AGS50 AGS100 AGS200 AGS50 T250 AGS100 T250 AGS200 T250 marked with CE mark comply with the following 1 EN 61010 1 standard Safety requirements for electrical equipment for measurement control and laboratory use General requirements harmonized with the directive 73 23 EEC replaced by 2006 95 WE 2 EN 55011 2001 A2 2004 Electromagnetic compatibility EMC Industrial scientific and medical ISM radio frequency equipment Radio disturbance characteristics Limits and methods of measurement and EN 61000 4 3 2003 A1 2004 U Electromagnetic compatibility EMC Part 4 3 Testing and measurement techniques Radiated radio frequency electromagnetic field immunity test harmonized with the directive 89 336 EWG replaced by 2004 108 WE Additional information Conformity evaluation for the Council Directive 73 23 ECC and 89 336 EEC replaced by 2006 95 WE and 2004 108 WE was carried out by Laboratorium Badawcze Oddzia u Instytutu Elektrotechniki in Gdansk accredited by PCA reports from examinations No 124 LBS 780 2005 and 131 LMC 780 2005 Per pro Director of AXIS Sp z 0 0 Production Manager Jan Ko czak Date 25 04 2012 40 USER MANUAL Drying parameters for different substances examples No Substance Pee ee Preparation
15. ator graduated in percentages 3 Do not overload the moisture analyzer more then 20 of maximum load Max 4 The mechanism of the balance is a precise device sensitive to mechanical strokes and shocks Do not press the pan with a hand 10 USER MANUAL 10 Description of thermogravimetric analysis This section gives some practical details about moisture analysis using infrared radiation for reliable results and easier use of moisture analyser The description is based on a pre production experience and customers suggestions Moisture in substances is an essential quality factor of technical and economical importance Methods of determining moisture may be grouped in two main categories absolute and deductive Absolute methods are based on simple relations e g weight decline during drying Thermogravimetric analysis used in AXIS moisture analyser is an example of this method Deductive indirect methods measure physical quantity related with moisture e g electromagnetic waves absorption electrical conductance acoustic wave speed Some of these methods unlike thermogravimetric analysis enable to determine water content Thermogravimetry lat thermo heat gravi weight metry method Thermogravimetric analysis a process of determination of a substance mass decline as a result of heat up The sample is weighed before and after heating up the difference is calculated in relation to initial weight or final
16. communicates and printouts USER FUNCTIONS Press MENU key choose Language and press ENTER key Autotaring Language Exit USER FUNCTIONS LANGUAGE Polish Using A and v keys choose desired English language and press ENTER key German Russian Ukraine French Spanish Exit USER MANUAL 37 15 Maintenance and repairs of small defects 1 A moisture analyser should be kept clean 2 Take care that no dirt gets between the casing and the pan If found any remove the pan lift it up remove dirt and then replace the pan 3 In case of improper operation caused by a short lasting power supply decay unplug the moisture analyzer from the mains and then plug it again after few seconds 4 Itis forbidden to make any repairs by unauthorised persons 5 To repair the moisture analyzer please contact an authorised service centre Moisture analyser can be sent for repair as messenger delivery only in original package if not there is a risk of damaging the moisture analyzer and loosing guarantee Measuring problems Problem Solution A sample burns down Reduce temperature Use glass fibre filter on the top of the sample Reduce sample quantity and distribute it uniformly Drying lasts too long Increase temperature Reduce sample mass A sample loses weight before measurement Take out the pan and put a sample outside the chamber A sample is liquid o
17. e attention that samples must not lose moisture inside the container the container should not consist of to much air the moisture condensed on the sides of the container should be mixed with the sample again 10 4 Tools requirements Tools and instruments used in preparation process may affect measurement accuracy so it is advised not to use tools that transmit heat as it makes the sample lose moisture before analysis Use only special mills and pestles In case of liquids with consisting of solid materials use a glass mixer a spoon or a magnetic mixer 10 5 Single use pans To analyse the moisture put a sample on a single use pan and place it in the dryer chamber Using non reusable pan helps to avoid false results by remains of previous samples 10 single use pans are provided with the moisture analyser Any quantity may be delivered on demand 10 6 Placing a sample A sample should be placed uniformly all over the pan so that heat propagates equally all over the sample and dries whole sample effectively and quickly without leaving wet places Correct Incorrect 12 USER MANUAL Attention Due to temperature sensor localisation max sample height is 10mm When substance ply is too thick surface layers will be heated too much and internal not enough This may result in burning the sample or surface incrustation which will make drying process difficult and measuring result false A sample sh
18. er indications correction If necessary 2 point indication correction of internal moisture m0 m m0 100 Ts 120 C ts 0 10 00s T 32 23 C analyzer thermometer based on m 0 000g measurement made by external t 0 00 00s 0 0 0 of control thermometer is available m0 0 000g m inscribe temperature values 77 and T2 and their equivalent values START UST PAM STOP measured by external thermometer and then set Status to ON SETTINGS 1 Mode Time mode 2 Calculation m0 m m0 100 3 Drying temp 60 C Chooose option Settings by pressing 4 Samples quantity OFF F2 key 5 Sampling interval 10s 6 Drying time 0 00 10s 7 Drying profiles Slow 8 Settings storing 1 eae 9 Temp correction OFF By using navigation keys and v Exit choose option Temp correction In order to inscribe temperatures CORRECTION TEMPERATURE press ENTER key Device temp T1 In order to end setting option choose Contr temp T1 Exit and press ENTER Device temp T2 Contr temp T2 Status lt ON gt Exit Maximal correction depth 20 C Conditions T2 gt T1 T1 i T2 lt 160 C for AGS T250 T1 i T2 lt 250 C T2 T1 gt 25 C If the conditions aren t fulfilled during status change to ON a error communicate will appear Suggested thermometer type PT 105 with probe GT 105 USER MANUAL 25 The way of entering control thermometer probe to moisture analyzer drying chamber
19. examples CAN OA A WH gt SOND OT OG KR WG G G G GW GW GW GW GW PND NP NPN NPN NM MB xanananannanrnrnrnrnnrnrnanrnananananananananana DAN ODaAAKRPA DD ON KR WSA DO ODAOAN DBA AHR KR MHS Naaa A DTD TD SO USER MANUAL 3 1 General description AGS series moisture analyser is destined for fast and precise moisture determination The moisture analyser is based on two cooperating devices the balance used to measure current sample weight and the dryer which dries the sample using halogen heaters Drying parameters may be set according to user preferences See appendix Moisture analysers are mainly destined for use in quality control in food industry building materials industry biotechnology pharmacy environment protection and others Moisture analysers may be also used as laboratory balances for routine weighing without drying 2 Completeness Standard package consists of Moisture analyser Pan shield pan support pan handle Single use pans 10 pcs Power supply cord User manual Guarantee card DARODD Options on demand 6 PT 105 control thermometer with GT 105 sk 8 probe silicon cable 160 C or with GT 105 so 8 probe cable with steel braid 7 Distance sleeve 15mm 1 piece 4 USER MANUAL 3 Security rules To avoid electrical shock or damage of the moisture analyzer or connected peripheral devices it is necessary to follow the security rules below e To feed the
20. ey metrologic parameters USER MANUAL 7 Preparing moisture analyser to work During heating the halogen heaters 7 warm up to very high temperature When drying chamber is opened avoid touching the heaters as it may cause severe burns or damage the heaters Dryer chamber cover 3 heats up to 40 C but perforated cover may heat up over 60 C Do not touch the top cover during drying as it may cause severe burns 1 Take all contents out of a package the moisture analyser and packed separately the tin pan shield single use pans the pan handle and the pan support It is recommended to keep the original moisture analyzer package in order to transport the moisture analyzer safely in future 2 Place the moisture analyzer on a stable ground not affected by mechanical vibrations and airflows 3 Level the moisture analyzer with rotating legs 9 so that the air bubble in water level 10 at the back of the moisture analyzer is in the middle and the moisture analyser rests on all four legs 4 Open the dryer chamber with the handle at the front Put the pan shield 4 on three distance sleeves 8 Gently insert the pan support 5 into the mechanism hole 8 USER MANUAL 5 Place a single use pan 7 on the pan handle 6 and put the pan on the pan support the handle should rest on the pan shield so that it does not touch the pan or the pan support Close the drying chamber cover 3 and plug the device to the mains 230V After self tests a
21. ganic substances 80 120 C inorganic substances 140 160 C Samples quantity do not set Sampling interval 1 second Drying time set time after which the sample will be definitely dried To activate displaying of drying chart which will be visible on the display instead of humidity indication perform the following actions Ts 120 C 0 00 x STOP ts 0 10 00s m0 m m0 100 T 32 23 C m 0 000g Choose RAP option with F3 key select Drying chart and press ENTER t 0 00 00s m0 0 000g MEM START DRYING REPORT OFF SET Choose Drying chart using and v keys and press ENTER Drying chart Product name Operator Notes Transmission Exit Using lt and gt keys choose ON and DRYING RAPORT press ENTER Drying chart ON Product name Operator Notes Transmission Exit Set the following positions Product name Operator Notes Use number keys or external key board with PS 2 socket option 22 USER MANUAL m0 m m0 100 Ts 120 C ts 0 10 00s T 118 34 C 30 m 0 592g When drying chart is visible place a sample on the pan and choose START option F1 key Drying parameters and drying process chart are presented on the display t 0 04 33s m0 0 695g START SET Observing drying process chart it is possible to evaluate its course and define time required for complete drying The chart
22. is and set correct drying parameters see chapter Working Parameters Setting m0 m m0 100 Ts 120 C ts 0 10 00s Place an empty single use pan and tare the balance with gt T lt key T 32 23 C Open the drying chamber and using m 0 000g the pan handle place the single use t 0 00 00s 0 2 OO pan with the sample on the pan m0 0 000g support Close the chamber START SET SAMPLE m0 m m0 100 Ts 120 C ts 0 10 00s Start the measurement choosing T 32 23 C START option F1 key m 2 033g Drying in progress is signalised with t 0 00 00s 0 00 alternating SAMPLE DRYING m0 2 033g communicate START SET SAMPLE Wait until END communicate appears Now read the result m0 m m0 100 Ts 120 C ts 0 10 00s Attention No STB communicate T 32 23 C and m0 sign in negative marks m 2 013g 1 OO o acceptance of unstable initial mass t 0 00 50s S value m0 caused by pressing the DA pan to chamber wall or by too fast sample drying which can cause to START SET measurement failures m0 2 033g During the measurement the following information is displayed m0 m m0 100 mathematic formula used for calculations Ts defined drying temperature ts defined drying time T current drying temperature m current weight t current drying time m0 initial weight 24 USER MANUAL 11 8 Internal thermomet
23. mode Choose a reference number for Calculation m0 m m0 100 specific setting using lt and gt keys Drying temp 60 C and press ENTER to accept Than Samples quantity OFF chose Exit and press ENTER Sampling interval 10s Drying time 0 00 10s Drying profiles Settings storing Exit ONDINA N SETTINGS To save settings choose YES and Save settings press ENTER to accept NO YES 20 USER MANUAL SETTINGS The analyser displays a short communicate Saving After the parameters are saved the analyser is Saving ready to work with new drying parameters 11 5 2 Loading saved settings ms ma ms 100 Ts 120 C ts 0 10 00s To load saved settings stored in the memory choose MEM option using T 32 23 C F4 key m 0 000g t 0 00 00s m0 0 000g START SET SETTINGS MEMORY Select a number of desired settings using navigation keys lt and gt Press Memory location lt 1 gt ENTER to accept Settings Time mode ts 0 010 00s m0 m m0 100 Ts 120 C Sq 4 samples tp 10s USER MANUAL 21 11 6 Initial moisture analysis To determine optimal drying parameters for unknown sample it is recommended to perform initial measurement with activated drying chart displaying To do this set the following drying parameters see Drying parameters setting Operation Mode Time mode Calculation method m0 m m0 100 Drying temperature or
24. ncorrect USER MANUAL 27 12 Connecting to a computer or a printer When drying process is finished measurement result can be printer or a computer via RS232C interface Measuring data can be also completed with text information To enter text descriptions it is necessary to connect a computer keyboard to PS2 port at the back of the moisture analyser m0 m m0 100 T 32 23 C m 2 033g Ts 120 C ts 0 10 00s t 0 00 00s m0 2 033g O 00 A START SET MEM STOP SAMPL DRYING REPORT Drying chart Product name Choose RAP option F3 key Using navigation keys and ENTER key choose Drying chart and disable or enable printing and displaying the Executive Notes chart Transmission Exit DRYING REPORT Set necessary options i Product name ee Executive 7 Notes Executive Notes Transmission Exit and with the connected computer keyboard enter text information for printed report Use PS 2 socket Activation of Transmision option will activate sending of all sampling results through the RS232C port The may be printed by the printer or stored in the computer e g by the Promas software 28 USER MANUAL A set of characters available using the keyboard while you use Product name Executive or Notes 1 2 1 _3 amp lt gt J 4 2ABCabc 3DEFdef 4GHIghi 5JKLjkI 6MNOmno 7PGRSpgrs 8TUVtuv 9WXYZwxyz 0 s
25. nd result stabilisation zero indication is displayed The dryer starts initial heating signalised with an appropriate communicate After initial heating the moisture analyser is ready to work aN When temperature during initial heating exceeds 105 C or heating time is longer than 1 minute terminate initial heating with CLR key and check if the temperature sensor 2 works properly and if both halogen heaters light 7 see chapter 15 In case any defect occurs contact an authorised service point 8 The moisture analyzer should not be used to weigh ferromagnetic materials due to accuracy decrease USER MANUAL 9 8 Interfaces The moisture analyser is equipped with RS232C interface to connect a printer or a computer and with PS2 port to connect an external computer keyboard Co OO CO CO Co Co CO OO Co Co CO CO Co Co OO RxD receiver TxD transmitter GND 9 General working rules During transportation remove the pan the pan support and the pan shield and place it in a separate package 1 Distribute a sample all over the pan A sample surface should not touch temperature sensor placed above the pan 2 The balance is equipped with the tare equal to its range To tare the balance press T key Writing the tare does not extend measuring range but only subtracts the tare value from a load placed on the pan To make weight control easier and to avoid range overdrawing the balance is equipped with weight indic
26. ould be placed in uniformed layers 2 5mm thick weighing 5 15g depending on a substance 10 7 Glass fibre filter When drying liquids pastes or substances that may melt or loose liquid during drying it is advised to use glass fibre filters Filters ensure equal liquid distribution or in case solid materials avoiding burning a sample 10 8 Selection of drying parameters to the sample material Selection of proper temperature and drying time is essential to achieve precise humidity measurement Drying parameters are selected properly if repeatability is on satisfactory level usually between 0 1 1 Parameters choice should be made in 3 steps Step 1 Drying temperature is related to the physico chemical properties of the sample It is determined by the number of tests carried out in several successive temperatures e g at intervals of 10 C Proper temperature is the highest value for which the sample for a few minutes does not change color and smell Changing the color or odor indicates the start of the oxidation of the sample which changes the properties of the sample which usually affects the measurement accuracy Step 2 Weight of sample used should be large enough to use the entire surface of the pan however the thinner the layer of sample the better the drying process proceeds The top and bottom layers of the material should be dried similarly at the same time If the material is covered with shell and some moisture is trap
27. owder 5 3 73 Margarine 2 2 160 4 74 Margarine 0 7 160 3 5 75 Margarine 0 7 160 5 76 Materials for bricks 7 160 distribute a sample 20 TI Mikronyl 7 8 60 8 78 Mikronyl 8 80 5 79 Mikronyl 8 80 5 80 Skimmed milk powder 4 5 100 6 3 81 Fat milk powder 4 5 100 5 5 82 Whey 5 110 mix a sample 83 Concentrated whey 2 3 90 10 84 Mozzarella cheese 1 5 160 11 1 85 Multivitamin bars 3 3 4 115 grind into thick powder 3 3 86 Zeolite 3 160 87 Zeolite 3 160 88 Natural latex 1 4 160 mix a sample 53 89 Chocolate 2 5 103 10 90 Paste 0 55 160 5 91 Concentrated orange juice 2 3 115 mix a sample 13 92 Ultramid B3WG5 10 60 10 93 Ultramid A3WG7 10 80 10 94 Crastin SK645FR 10 80 10 95 Macrolon 10 12 80 15 96 Babyblend T65 MN 9 11 80 10 97 Plexiglas 6N 10 70 10 98 Polypropylene 13 130 9 99 Polypropylene 3 3 120 2 2 100 Polystyrene solution 2 2 5 120 8 7 101 POM C9021 10 80 10 102 Polystyrene 168 N 10 80 10 103 Purine 2 105 mix a sample 3 8 104 Cottage cheese 1 140 mix a sample 7 105 Cheese 20 2 mix a sample 12 106 Fat cottage cheese 1 2 130 mix a sample 8 107 Silicon sand 10 14 160 1 9 108 Raclet cheese 1 5 160 14 4 109 Oily seeds 3 4 90 grind a sample for 1 min 7 4 110 Rice 3 5 105 grind a sample for 30 sec 12 5 111 Retentine 5 110 mix a sample 0 04 112 Rye 4 5 150 grind a sample 11 5 113 Beetroot 4 5 150 grind a sample 8 6 114 Beetroot 4 5 150 grind a sample 8 9 115 Beetroot 4 5 150 grind a sample 9 1 116 Beet
28. pace Erasing the mark and move the cursor to the left the navigation key lt To print the drying report press C gt key Drying started Date 2004 06 10 Time 12 34 33 Serial number 123456789 Drying parameters Product Drying temperature Mode Short mode Calculation m0 m m0 100 Finished time over Initial weight 0 000 g Final weight 0 000 g Drying time 0 00 00s Sampling interval 10s Moisture f 0 00 NOTE The analysis proceeded by Signature It is possible to set necessary serial port parameter values 8bit 1stop no parity 4800bps To use RS232C Settings option press t key weighing mode and pres MENU key USER MANUAL 29 13 Testing and calibration of the balance To check the weighing function of balance drier switch it to the simple weighing gt key and check it by putting precisely weighed object e g calibration weight F2 OIML equal to device measurement range In case of any inaccuracies perform the balance calibration It is performed by activating the calibration function available in special functions menu and putting the calibration weight on the pan according to indications on the display see Sensitivity calibration function Control of humidity measurement precision requires use of standard substance disodium tartrate di Sodium tartrate dihydrate C4H4Na206 H20 For the control use 5 g sample setting short mode calculations method m mo 100 tempe
29. ped in the material user should disintegrate the material or reduce the drying temperature For liquid materials is preferable to use filter which accelerates the drying Step 3 Select drying time to chosen mass of sample To do this set the moisture analyzer s drying time as long as possible and observe the drying process Minimum drying time is the one at which the sample doesn t change its weight by more than allowed by the examiner measurement error Proper drying time is designated minimum drying time with reserve The percentage value of the reserve must exceed the mass of the sample dispersion the drying sample time is proportional to the mass of the sample After a few measurements with the designated drying parameters and making sure that the reproducibility of the results is satisfactory user can proceed to optimize the measurement time by selecting favorable Drying profile and using Short measurement mode Of course you should check that the reproducibility of the results was not seriously affected Sample values for the most common materials are given in the Appendix however be regarded only as preliminary data and it is recommended to carry out the procedure for parameters selection for the test material USER MANUAL 13 10 9 Other practical notes It is preferable to work with the same mass of the sample at each measurement to measure the size of the sample in a reproducible way It is best to use the same instruments fo
30. r paste Use glass fibre filter A sample does not consist of enough volatile matters Enlarge a sample 38 USER MANUAL Troubleshooting Display indication Possible cause Remedy Initial heating Ts PE te oeeccs The temperature sensor is Contact an authorised service A damaged point does not react when touched with a finger Initial heating Ts temperature does not reach 105 C The heater is damaged Replace the heater the halogen heater s do not light Test Auto tests in progress wait for 1 minute ie electronic unit damage The moisture analyzer is during walt for ute iS sect zeroing pres ies n oe placed on stable ground no piibenanical damage affected by vibrations Tare range exceeded Tare key pressed during zero Moisture analyzer indications must 2 indication be different than zero poena PRUSSE enon es ee Remove the load from the pan Weighing range Permissible weighing range exceeded Max 9e was exceeded Reducstneloan Measuring range Upper limit of analog digital i exceeded transducer measuring range was Remove the load from the pan exceeded Lower limit of analog digital Measuring range transducer measuring A wad Check if there are all necessary exceeded ateeaded pan elements USER MANUAL 39 Declaration of Conformity C AXIS Sp ka z 0 0 80 125 Gdansk ul Kartuska 375B Poland confirm with all responsibility that moisture
31. r the application of the sample Put a sample on the pan as quickly as possible to avoid losing moisture Temperature inside the chamber is much higher than outside so the sample may evaporate partly before measurement begins which will result in a false result When analysing the same substance quantity in successive measurements use the same tools to put a sample to be sure that samples are each time of the same size Before putting a sample tare a single use pan and take it out of the chamber Right after putting a sample on the pan place it inside the analyser chamber close the chamber and press START Be sure that no dirt sticks under the pan as it may increase sample weight and result in false values 14 USER MANUAL 11 Moisture analyser functioning description 11 1 Switching on After switching on the moisture analyser proceeds with self tests model INITIALIZATION program version V PROCESSOR V EEPROM After completing self tests the analyser is tared and the dryer begins initial heating necessary to create thermal conditions suitable for measurements m0 m m0 100 Ts 120 C ts 0 10 00s T 32 23 C m 0 000g Ts 105 C INITIAL HEATING Initial heating should warm the drying chamber up to 105 C within 1 minute When temperature during initial heating exceeds 105 C or heating time is longer than 1 minute terminate initial heating with CLR key and check if the analyser is not damaged see chapter 15
32. rature 150 C sampling time 10 s samples amount 4 and drying time 00 15 00s The result should be contained in range 15 61 15 71 30 14 Moisture analyser as a balance USER MANUAL The moisture analyser may be also used as a normal balance To switch between analyser weighing mode press key In weighing mode MENU key opens a set of special functions Standard functions are described below Other special functions may be delivered on demand 14 1 Autotaring USER FUNCTIONS Autotaring PCS Calibration RS 232C settings Print settings Time amp Date setting Language LCD settings Exit USER FUNCTIONS AUTOTARE 1 Activate 2 Correction range 2 d sec 3 Exit USER FUNCTIONS AUTOTARE 1 Activation 2 Correction range 2 d sec 3 Exit Press MENU key to enter the user function menu chose Autotaring and press ENTER key Chose Correction range and press ENTER key Enter maximum zero flow value to be automatically corrected chose between 0 5 5 verification unit s per second Chose Activate option and press ENTER Any changes off the zero readout that are equal to a defined fraction of digits per second are automatically tared independently of changing environment conditions temperature humidity etc To leave the function press MENU key chose Auto tare function and then chose Deactivate option USER
33. root 4 5 150 grind a sample 8 5 117 Sticks 3 4 dS grind into powder 4 5 118 Processed cheese 1 5 70 tear up a foil 15 119 Chocolate 2 5 103 cut into pieces 10 120 Grinded chocolate 2 3 90 10 121 Pig feeding stuff 4 5 160 mix a sample 21 122 Speck 0 7 160 3 5 123 Speck 0 8 160 3 5 124 Soap 3 120 pinch some pieces 6 41 42 USER MANUAL Notes
34. s Power Calibration weight OIML AGS50 AGS100 AGS200 0 01g 509 18 33 C 0 01 for sample weight 2g for sample weight 5g 06 160 C AGS50 AGS100 AGS200 250 C AGS50 T250 AGS100 T250 AGS200 T250 200W F2 200g USER MANUAL 6 Keys and indicators gt T ENTER I F 1 2 F2 3 F3 4 F4 S FS 6 0 lt US 8 7 9 JMENU 0 43 gt lt A V indicator bar indicator indicator OFF Max Min d e T 24 35 C m 4 321g t 0 00 00s m0 0 000g START SET RAP MEM a Fi F2 Fs 1 2 3 o Y a 6 7 8 tare subtract package weight from weighed mass switch on switch off standby confirmation select the option decimal point digit key 1 START start measurement drying digit key 2 SETTINGS moisture measurement parameters setting digit a 3 STAT drying chart measurement report digit key 4 MEM settings memory digit key 5 STOP instant drying termination digit key 6 zeroing optional digit key 7 printout data transmission digit key 8 autocalibration unused function digit key 9 enter the function menu digit key 0 mode switching analyser balance enter the option leave the option navigation move the cursor up navigation move the cursor down result stabilisation total load indicator 0 100 stand by mode when switched off with k
35. s parameters should be the result of experience Drying profile lt standard gt with the test material T 120 C T Exit 120 C Selected a drying profile by ENTER key choose a adequate profile standard slow step or quick and i set a temperature T and time t value SETTINGS Drying profile lt slow gt t1 100s T Exit 120 C t1 SETTINGS Drying profile lt step gt t1 100s T1 60 C T t2 100s 120 C T2 90 C Exit t SETTINGS Gauen Drying profile lt quick gt The ending temperature can be t1 100s setting on Standard profile or Setting T1 140 C T TI Main menu only Exit 120 C t1 t USER MANUAL 19 11 5 Moisture analyser settings storing The moisture analyser enables to save 10 different drying settings Saved settings are kept in the memory even after unplugging moisture analyzer from the mains 11 5 1 Saving settings To save drying settings follow the instructions below ms ma ms 100 T 120 C ts 0 10 00s T 32 23 C m 0 000g t 0 00 00s m0 0 000g Press F2 key to choose SET option START SET SETTINGS Mode f Time mode Calculation m0 m m0 100 Drying temp 60 C i in T Quantity OFF a Tea y drying settings see Sampling interval 10s cnapter S Drying time 0 00 10s Select Settings storing option using A Drying profiles and v and press ENTER to accept Settings storing 1 Exit ONOoaRW ND SETTINGS Mode Time
36. shows 160 time samples on the X axis for longer times chart is scaled to 360 samples 720 etc and humidity value according to selected formula on the Y axis chart is automatically scaled to 10 30 50 etc Selecting 1 s of sampling time allows for more precise chart Achieved chart allows for initial settings selection for main measurement Drying temperature should be selected according to dries material type so the drying is performed quickly and sample does not change colour Material drying moment is visible on the chart as drying characteristic bending As Drying time for main humidity measurement select time from the beginning to chart flattening As the time axis is not described on the chart use evaluation with high margin Too short drying time does not allow to achieve precise humidity measurement results In case of Short mode in main measurement select Sampling time which allows to include approx 10 samples in time of characteristic bending If drying is finished too quickly increase Samples quantity or Sampling time Notes 1 Before main measurement remember about deactivating of chart displaying 2 To improve operation it is possible to use Promas software available on demand which generates precise drying chart USER MANUAL 23 11 7 Proper moisture analysis Before measurement carefully prepare the sample as described in chapter Description of Thermogravimetric Analys
37. weight dry mass Moisture in substances Thermogravimetric analysis includes all ingredients evaporating from substances during heating up which results in weight decrease In result of the above determining of moisture content in substances is not equal water content Beside water moisture consists of all other volatile matter fats alcohol aromas organic dissolvent and other substances resultant as en effect of thermal decomposition Thermogravimetric analysis does not distinguish water from other volatile matters Infrared radiation drying is more effective than traditional methods e g in an oven as the radiation deeply penetrates the substance which shortens drying time 10 1 Infrared radiation source ADS series moisture analyser uses 2 halogen heaters rated power 200W I 118mm in serial connection as a radiation source The heaters emit also visible radiation which does not affect drying process 10 2 Infrared radiation drying description Sample drying is a result of absorption of infrared radiation which results in sample temperature increase and evaporation of volatile matters Infrared radiation penetrates surface layers the depth depends on penetrability of a sample different in various substances Part of radiation is reflected by the sample surface Penetrated layers absorb the radiation and convert its energy into heat Emitted heat propagates inside the sample Effectiveness of the propagation depends on

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