User Manual Moisture Analyser
Contents
1. Press MENU key choose Printout settings and press ENTER key Using lt and gt keys choose desired option and press ENTER key 26 14 5 Date and time setting info tursdaletechnicalservices co uk This function enables to set curent time and date used in printouts USER FUNCTIONS _ Autotare PCS Calibration _ RS 232C settings _ Print settings _ Date and time setting _ Language _ LCD Settings Exit USER FUNCTIONS DATE AND TIME 1 Time 09 11 03 2 Date 2006 03 31 3 Exit USER FUNCTIONS DATE AND TIME 1 Time 09 11 03 2 Date 2006 03 31 3 Exit 14 6 User language Press MENU key choose Date and time setting and press ENTER key Using lt and gt keys choose desired value and press ENTER key Use digit keys to enter correct values and press ENTER key to accept This function enables to change user language used for communicates and printouts USER FUNCTIONS _ Autotare Date and time setting Exit USER FUNCTIONS V LANGUAGE SETTING 1 Polish 2 English 3 German 4 Exit Press MENU key choose Language settings and press ENTER key Using lt and gt keys choose desired language and press ENTER key 27 info tursdaletechnicalservices co uk 15 Troubleshooting Display indication Possible cause Remedy Initial heating Ts The temperature sensor is Contact an authorise2. START SET STAT BALANCE STOP DRYING REPORT Drying chart Product name Executive done by Choose Drying chart using and v keys Notes and press ENTER Statistics Exit DRYING REPORT Drying chart oceans Using and keys choose ON and press ENTER Executive done by Notes Statistics Exit 16 info tursdaletechnicalservices co uk m0 m m0 100 Ts 120 C ts 0 10 00s T 118 34 C 30 mz 0 592g When drying chart is visible place a sample on the pan and choose STAHT option F1 key Drying parameters and drying process chart are presented on the display t 0 04 33s m0 0 6959 BALANCE STOP Observing the drying process chart it is possible to estimate its course and determine the time value needed for complete drying of the sample The X axis presents 160 time intervals for longer time periods the scale is changed to 360 720 etc the Y axis presents moisture values according to chosen formula the scale is changed automatically to 10 30 50 etc The moment of complete drying is visible as a bend of the drying chart Drying time should be defined with a reserve considering differences of weight of successive samples If drying time is too short the results of moisture analysis will not be correct For initial drying to condense the chart advised sampling time is 1s For proper analysis sampling time should be as long so that the dif
3. ATEX protection so it should not be used in potentially explosive atmospheres powder flammable gases
4. and 89 336 EEC were carried out by Date 12 11 2005 BEE Signature o PCE GROUP Europe OHG Management 30 Appendix Drying parameters for different substances examples Initial weight Temperature Analysing o supstance Mta Temperature Preparation fraag 5 Dialyse membrane 08 80 cutmotinsices 22 6 Dialyse membrane 0507 80 cutintothinslces 2 T a 195 ewmdfrs0se 79 e Pens 28 10 gidiotkpode 4 s Peanuts a mo wmimoWikwwr 6 10 Mintpastles 334 f 90 grind into thick powder 29 rit Geramicsclay 28 160 cthotnsies o He Fiver water 52 39 mkasmbe 0 0m ria Disove 2 15 mxasampe 76 M Gottage cheese 6 M0 mxasmpe 16 Dype 57 no oidasampefori0sec 96 ai Cotes seous 354 120 ormdasampetrimn 8 Resin dissolvent mix a sample E em 4 185 whdasamiefribsR 54 25 Loesso 25 160 cutmosmalpiees 148 m Simeimk 8 H0 mxasme 27 Goltage cheese 12 13 mxasampe 8 Lm Amowswihesams 35 8 dino iokpowdor 38 rao Almonds 3 10 smdmotkponde 53 si Merasi 7 160 derbueasamie 20 WIL I OW p ou In this direction will find a vision of the measurement technique http www industrial needs com measuring instruments htm NOTE This instrument doesn t have
5. smaller qualifying quantity Time interval between each weight sample Sampling interval may be adjusted according to drying rate Ad 2 To terminate a measurement after defined Drying time set Qualifying quantity none The moisture can be calculated basing on different mathematical formulas used in the moisture analyser as Working modes 1 Moisture is determined in relation to initial weight w 96 mo m mo 100926 where mo initial weight m current weight 2 Moisture is determined in relation to current weight w 96 mO m m 10096 3 Current weight determined as a percentage of sample weight w m mo 1009 Drying temperature is maximum temperature measured by the temperature sensor near dried sample Pay attention that temperature of dried material may be higher than temperature of its surrounding 14 info tursdaletechnicalservices co uk 11 3Working mode parameters setting m0 m m0 100 Ts2120 C ts 0 10 00s T 32 23 C m 0 000g ANN Choose Settings option SET pressing F2 t 0 00 00s k m0 0 000g ey MOISTURE ANALYSER PARAMETERS Working mode m0 m m0 100 Drying temp 60 C Choose Working mode using and v keys Qualified qty 2 samples and press ENTER Sampling interval 10s Drying time 0 00 10s Exit MOISTURE ANALYSER PARAMETERS Using and digit keys If necessary choose desired drying parameters and Working mode m0 m m0 100 press ENTER t
6. to create thermal conditions suitable for measurements m0 m m0 100 Ts 120 C ts 0 10 00s T232239C m 0 0000 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 After initial heating is completed or terminated the device displays the following information m0 m m0 100 S12 098 ts 0 10 00s T 32 23 C m 0 0009 t 0 00 00s OO o m0 0 000g o START SET STAT BALANCE STOP Legend mO m mO0 10096 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 13 info tursdaletechnicalservices co uk 11 2Description of parameters and working modes Current value of moisture measurement is calculated and displayed during drying The process is finished under one of the conditions below 1 Evaporating is finished and successive weight measurements results samples do not differ 2 User defined Drying time is finished Ad 1 Ihe number of successive samples that terminates drying process is called Qualifying quantity It is advised to use 5 samples but it is possible to use
7. ample 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 10 PCE info tursdaletechnicalservices co uk 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 Give 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 consisti
8. aring CALIBRATION Place proper calibration weight on the pan External calibration Put on calib weight _ 200g CALIBRATION Remove the calibration weight from the External calibration pan remove the calib weight After completing calibration process the balance is the weighing mode 24 info tursdaletechnicalservices co uk 14 3RS 232C settings To establish a connection between the balance and a printer or a computer set identical transmission parameters for both devices Default parameters for the moisture analyser are Obit 1stop no parity 4800bps To set different transmission parameters switch the analyser to weighing mode using BALANCE option F4 key press MENU key and choose HS232C parameters 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 C key with stable indication after pressing E key independently of indication stabilisation automatically after stabilisation of each measurement continuous in 0 1s periods USER FUNCTIONS Press MENU key choose AS232C Calibration settings and press ENTER key RS 232C settings Print settings Date and time setting Language LCD Settings Exit LILILIL LA USER FUNCTIONS RS 232C Select desired parameter with and v keys and press ENTER
9. ber 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 10 9 Troubleshooting Problem GSSolton Reduce temperature A sample burns down Use glass fibre filter on the top of the sample Reduce sample quantity and distribute it uniformly Drvina I Increase temperature INg ASIS 9D dOHg Reduce sample mass A sample loses weight before measurement A sample is liquid or paste Use glass fibre filter A sample does not consist of enough volatile matters Take out the pan and put a sample outside the chamber Enlarge a sample 12 info tursdaletechnicalservices co uk 11 Moisture analyser functioning description 11 1 Switching on After switching on the moisture analyser proceeds with self tests START UP program version V CPU test V EEPROM read out After completing self tests the analyser is tared and the dryer begins initial heating necessary
10. bit 1stop no parity 4800bps To use RS232C Settings option press key weighing mode and pres MENU key 13 Testing and calibration of the balance To ensure reliable results it is advised to check balance accuracy with an object of precisely known weight e g calibration weight F2 OIML as stated in Technical Data for specific type before and after each measuring session In case incorrect values it is necessary to calibrate the balance press key to switch to weighing mode activate Calibration option using MENU key and follow the instructions on the display see chapter Sensitivity Calibration 20 14 Moisture analyser as a balance info tursdaletechnicalservices co uk The moisture analyser may be also used as a normal balance To switch between analyser weighing mode press key or use option BALANCE F4 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 Autotare USER FUNCTIONS _ Autotare PCS Calibration RS 232C settings Print settings Date and time setting Language LCD Settings Exit COUL 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 To leave the function press Men Deactivate option Press Menu key to enter the user function menu chose Auto ta
11. ch the cover top during drying as it may cause severe burns During heating the halogen heaters warm up to very high temperature Avoid touching the heaters as it may cause severe burns All repairs and necessary regulations can be made by authorised personnel only Do not use the analyser when its cover is opened Do not use the analyser in explosive conditions Do not use the analyser in high humidity If the device seems not to operate properly plug it out of the mains and do not use it until checked by authorised service info tursdaletechnicalservices co uk 4 Environment protection According to legal regulations it if forbidden to dispose wasted electronic equipment in waste containers WEEE Reg Nr DE64249495 e Please return wasted device to the point of purchase or other company specialised in recycling of wasted electronic components 5 Technical data Accuracy class for sample weight 0 19 5g 0 3 for sample weight 5g 159 0 06 for sample weight gt 15g lt 0 04 Max drying temperature 160 C Sampling time 1 180s Maximum drying time Oven dryer power halogen l 118mm O Warm up time 100 C Drying chamber dimensions 108x20mm Weight SIEIOIISIOnS Ni 215 235 x345x200mm 230V 50Hz 110VA Calibration weight OIML F2 50g F2 100g F2 200g Moisture measurement accuracy info tursdaletechnicalservices co uk 6 Keys and indicators
12. d service temperature exceeds damaged point 105 C the sensor does not react when touched with a finger Initial heating Ts The heater is damaged Replace the heater temperature does not reach 105 the halogen heater s do not light Test Auto tests in progress wait for 1 minute electronic unit damage 2 2 The balance is during zeroing wait for 1 minute mechanical damage check if the balance is placed on stable ground not affected by vibrations are range Tare key pressed during zero Balance indications must be exceeded indication different than zero Zeroing range Permissible zeroing range Remove the load from the pan exceeded was exceeded Weighing range Permissible weighing range Reduce the load exceeded Max 9e was exceeded Measuring range Upper limit of analog digital Remove the load from the pan exceeded transducer measuring range was exceeded Measuring range Lower limit of analog digital Check if there are all necessary exceeded transducer measuring range pan elements was exceeded 28 info tursdaletechnicalservices co uk 16 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 balance from the mains and
13. ential quality factor of technical and economical importance Methods of determining moisture may be grouped in two main categories absolute and deductive info tursdaletechnicalservices co uk Absolute methods are based on simple relations e g weight decline during drying Thermogravimetric analysis used in PCE 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 at 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 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 matter
14. ference between first and last sample is greater than 20mg At the beginning advised qualifying quantity value is 5 Notes 1 Remember to disable the drying chart before proper measurement 2 For more efficient work it is possible to use a computer program for drying charts purchased separately on demand 17 info tursdaletechnicalservices co uk 11 5Proper moisture analysis Before measurement carefully prepare the sample as described in chapter Description of Thermogravimetric Analysis and set correct drying parameters see chapter Working Parameters Setting m0 m m0 100 Ts21209C 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 the m 0 000g pan handle place the single use pan with t 0 00 00s i 00 the sample on the pan support Close the m0 0 0009 chamber START STAT BALANCE STOP SAMPLE m0 m m0 100 Ts 120 C ts 0 10 005 Start the measurement choosing START option F1 key T 32 23 C Drying in progress is signalised with m 2 033g OO o alternating SAMPLE DRYING t 0 00 00s M communicate m0 2 0339 START STAT BALANCE STOP SAMPLE m0 m m0 100 Ts2120 C ts 0 10 00s ia rd Wait until STOP communicate appears ges Now read the result t 0 00 50s 1 00 m0 2 0339 Yo During the measurement the following information is displayed m0 m m0 100 mathematic formula used for calculations Ts def
15. ime setting User language Troubleshooting Maintenance and repairs of small defects Declaration of Conformity Appendix Drying parameters for different substances examples info a tursdaletechnicalservices co uk CODON DAA KR WB C9 fee Oe OTe eee R65 00 15 d 5 ci eS IS info tursdaletechnicalservices co uk 1 General description MB 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 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 otandard package consists of Moisture analyser Pan shield pan support pan handle Single use pans 10 pcs Power supply cord User manual Guarantee card d am Te info tursdaletechnicalservices co uk 3 Security rules To avoid electrical shock or damage of the balance or connected peripheral devices it is necessary to follow the security rules below Dryer chamber cover heats up to 40 C but perforated cover at the top may heat up over 60 C Do not tou
16. indicator bar indicator indicator OFF Max Min d e Tisi 24 35 ma 4 321 g ta 0 00 00 5 ma 0 000 ENTER START SET STAT SCALE STOP ao M IOS 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 key 3 STAT drying chart measurement report digit key 4 BALANCE weighing mode 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 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 100926 stand by mode when switched off with I key metrologic parameters info tursdaletechnicalservices co uk 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
17. ined drying temperature ts defined drying time T current drying temperature m current weight t current drying time m0 initial weight 18 info tursdaletechnicalservices co uk 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 Ts2120 C ts 0 10 00s T 32 23 C m 2 0339 t 0 00 00s OO of Choose STAT option F3 key m0 2 033g o DRYING REPORT Using navigation keys and ENTER key Drying chart choose Drying chart and disable or enable Product name al Executive done by printing and displaying the chart Notes Statistics Exit DRYING REPORT oelect necessary options and with the connected computer keyboard enter text information for printed report Drying chart Product name Executive done by Notes Statistics Exit To print the drying report press Ey key 19 info tursdaletechnicalservices co uk Drying started Mode Finished Initial weight Final weight Drying time Sampling interval Moisture NOTE The analysis proceeded by Signature It is possible to set necessary serial port parameter values 8
18. key Transmission speed 4800 Number of bits 8 bit Parity none Protocol LONG Transmission mode P key stab Exit Pre ghe Sn NOR Rd Using and keys choose desired value Transmission speed 4800 and press ENTER key Number of bits 8 bit Parity none Protocol LONG Transmission mode P key stab Exit 23 info tursdaletechnicalservices co uk Data transmission protocol description Long protocol Transmission parameters 8bit w 1stop no parity 4800bps Computer Balance initialising signal S CR LF 53h 49h ODh OAh Balance Computer Byte Byte Byte Byte Byte Byte Byte Byte Byte balance indication in the following format 16Bytes 1 Sign or space 2 11 and 14 space 3 4 digit or space 5 9 digit decimal point or space 10 digit 12 k I c p or space 13 g b t cor 15 CR ODh 16 LF OAh 14 4Printout parameters This function enables to select following information for printouts successive measurement number curremnt date and time for each measurement user information available on demad additional information entered with external keyboard USER FUNCTIONS _ Autotare PCS _ Calibration _ RS 232C settings _ Print settings Date and time setting _ Language _ LCD Settings Exit USER FUNCTIONS PRINTOUT SETTINGS _ Measurement number _ Date and time User information Exit
19. nce should not be used to weigh ferromagnetic materials due to accuracy decrease info tursdaletechnicalservices co uk 8 Interfaces The moisture analyser is equipped with RS23C interface to connect a printer or a computer and with PS2 port to connect an external computer keyboard SEE CMM CM c vc v CL a ae e ee Housing 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 indicator graduated in percentages 3 Do not overload the balance more then 2096 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 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 ess
20. ng 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 6Placing 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 wn 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 should be placed in uniformed layers 2 5mm thick weighing 5 15g depending on a substance 11 PCE info tursdaletechnicalservices co uk 10 7Glass 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 8Practical notes Put a sample on the pan as quickly as possible to avoid losing moisture Temperature inside the cham
21. nstruction 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 22 Report example Production date Serial number Program version Ext calibration weight Factory calib weight Int calib weight Weight difference info tursdaletechnicalservices co uk external weight value used for last calibration unused parameter unused parameter unused parameter 25 PCE info tursdaletechnicalservices co uk Calibration operation sequence USER FUNCTIONS _ Autotare Press Menu key choose Calibration and PCS oress ENTER key _ Calibration _ RS 232C settings _ Print settings _ Date and time setting _ Language _ LCD Settings Exit If necessary enter the correct value of used calibration weight using External USER FUNCTIONS CALIBRATION weight option Select External calibration option and 1 External calibration ee press ENTER to start calibration 2 External weight 200g 3 Report printout 4 Exit CALIBRATION Wait until tare process is finished External calibration t
22. o accept Drying temp 60 C Moisture calculation formula Qualified qty 2 samples Qualified quantity options none 2 3 Sampling interval 10s 4 5 Drying time l 0 00 10s a Aa RE re Exil Sampling interval lt 180s Drying time lt 10h o o O MOISTURE ANALYSER PARAMETERS To leave settings menu choose Exit and press ENTER Working mode mO m mO 10096 Drying temp 60 C Qualified qty l 2 samples Sampling interval 10s Drying time 0 00 10s Exit Note All defined parameters are stored in the memory until the next changed also after unplugging the device from the mains 15 info tursdaletechnicalservices co uk 11 4Initial moisture analysis To estimate optimal drying parameters for unknown sample it is advised to proceed with initial measurement necessary to make initial measurement with activated drying chart For initial drying set the following parameter values see Drying parameters setting Temperature organic matters 80 100 C mineral matters 140 160 C Qualifying quantity none drying process is stopped after defined drying time Sampling interval 1s Drying time set the time value enough to dry the whole sample To display drying chart follow the instruction below ms ma ms 100 Ts2120 C ts 0 10 00s 1 832 23 C Choose STAT option with F3 key select m 0 000g t 0 00 005 o Drying chart and press ENTER m0 0 0009
23. re 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 u key chose Auto tare function and then chose 21 14 2Balance calibration info tursdaletechnicalservices co uk 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 _ Autotare PCS _ Calibration _ RS 232C settings _ Print settings _ Date and time setting _ Language _ LCD Settings Exit USER FUNCTIONS CALIBRATION 1 External calibration 2 External weight 200g 3 Report printout 4 Exit USER FUNCTIONS CALIBRATION 1 External calibration 2 External weight 200g 3 Report printout 4 Exit USER FUNCTIONS CALIBRATION 1 External calibration 2 External weight 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 i
24. s 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 1Infrared radiation source MB series moisture analyser uses 2 halogen heaters rated power 200W I2118mm in serial connection as a radiation source The heaters emit also visible radiation which does not affect drying process 10 2Infrared 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 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 10 3Drawing and preparation of a sample As sample of given substance must be representative drawing and preparing a s
25. severe burns NO Co 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 2 Place the balance on a stable ground not affected by mechanical vibrations and airflows 3 Level the balance with rotating legs 9 so that the air bubble in water level 70 at the back of the balance 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 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 6 Close the drying chamber cover 3 and plug the device to the mains 230V info tursdaletechnicalservices co uk 7 After self tests and 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 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 bala
26. then plug it again after few seconds 4 It is forbidden to make any repairs by unauthorised persons 5 To repair the scale please contact an authorised service centre 29 info tursdaletechnicalservices co uk Declaration of Conformity PCE GROUP Europe Im Langel 4 Tel 0049 0 2903 976 99 0 D 59872 Meschede Fax 0049 0 2903 976 99 29 E Mail info warensortiment de Internet www pce group europe com Konformitatserklarung Declaration of conformity for apparatus with CE mark Konformitatserklarung fur Gerate mit CE Zeichen Declaration de conformite pour appareils portant la marque CE Declaracion de conformidad para aparatos con disitintivo CE Dichiarazione di coformita per apparecchi contrassegnati con la marcatura CE PCE MB 50 100 and 200 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 Low Voltage Directive 2 EN 55022 2000 standard Limits and methods of measurement of radio disturbance characteristics of information technology equipment and IEC 61000 4 3 Electromagnetic compatibility EMC Part 4 3 Testing and measurement techniques Radiated radio frequency electromagnetic field immunity test harmonised with the Council Directive 89 336 EEC Additional information Conformity evaluation for the Council Directives 73 23 EEC
27. www pce industrial needs com PCE Deutschland Gmb H amp Co KG Tel 49 029 03 976 99 0 Fax 49 029 03 976 99 29 info warensortiment de www warensortiment de PCE Group Ib rica S L Tel 34 967 543 548 Fax 34 967 543 542 info pce iberica es www pce iberica es PCE Group Italia S R L Tel 39 0583 975 114 Fax 39 0583 974 824 info pce italia it www pce italia it User Manual Moisture Analyser PCE MB series 50 100 200 Contents SMANDA AWD gt 10 1 10 2 10 3 10 4 10 5 10 6 10 7 10 8 10 9 17 11 1 11 2 11 3 11 4 11 5 12 13 14 14 1 14 2 14 3 14 4 14 5 14 6 15 16 General description Completeness Security rules Environment protection Technical data Keys and indicators Preparing moisture analyser to work Interfaces General working rules Description of thermogravimetric analysis Infrared radiation source Infrared radiation drying description Drawing and preparation of a sample Tools requirements Single use pans Placing a sample Glass fibre filter Practical notes Troubleshooting Moisture analyser functioning description Switching on Description of parameters and working modes Working mode parameters setting Initial moisture analysis Proper moisture analysis Connecting to a computer or a printer Testing and calibration of the balance Moisture analyser as a balance Autotare Balance calibration RS 232C settings Printout parameters Date and t
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