User Manual (November 2009)
Contents
1. 3 4 Unscrew the protective cap 1 Remove the storage protector 4 by unscrewing Remove the transparent cap 2 from the refilling port Refill the electrode with LiCl 1M in ethanol Check that there are not air bubbles inside They can be removed by shaking the electrode as clinical thermometer Slide the plastic ring sleeve diaph ragm 6 and return it fo its original position by pressing softly to ensure the electrical contact If it is neces sary refill with reference electrolyte Place the NS adapter 5 on the electrode body Connect the electrode to the cable we ey Connect the cable to the rear panel of the instrument see Rear Panel page 9 Recommendations related to the use of the electrode Step 5 should be performed periodically When the electrode is in use the refilling port should stay open During storage close the filling port with the cap Maintain the electrolyte level high 3 Refill periodically with electrolyte Glass Pt electrode l 2 Unscrew the protective cap 1 Remove the storage protector by unscrewing 2 plastic tube Remove the white piece by pulling it down Inside there is an O ring Place the NS adaptor 3 on the electrode body 4 Connect the electrode to the cable Connect the cable to the rear panel of the instrument see Rear Panel page 9 Aquamax TAN Ed Nov 2009 INSTALLATION sid2. 000001 page 15 Y SYSTEM E50 BLANK E Continue MAIN MENU CALIBRATION CALIBRATION A ANALYZE 5 Attention See CALIBRATION CALIBRATION ee Immerse the electrodes 279 mV MANUAL ACTIVATION infer of 11 m page 13 DISPLAY DATA 00 05 y SYSTEM ESC Start MAIN MENU MANUAL ACTIVATION A ANALYZE TR ACHVATION Burette See MANUAL ACTIVATION page 12 DISPLAY DATA Stirrer Y SYSTEM MAIN MENU DATA LOGGER A TN Empty Data Logger MANUAL ACTIVATION Display data See DISPLAY DATA page 17 DISPLAY DATA Print data Memorized value Vv SYSTEM SYSTEM A Operator s name Data output Report header y sample ID A ANALYZE CALIBRATION MANUAL ACTIVATION DISPLAY DATA v SYSTEM This option will appear only if a printer is connected These options will only appear if Data Output is activated GRScientific SYSTEM Weight entrance Date and Hour See SYSTEM Display contrast page 18 Language Aquamax TAN Ed Nov 2009 MANUAL ACTIVATION Syringe Reagent loading 1 Introduce the inlet tube in the bottle containing KOH 0 1 mol l in 2 propanol 2 Put a vessel for waste on the titration stand below the outlet buret te tube 3 From Main Menu select the option Manual Activation Burette Press successive times the keys corresponding to Fill and Empty until the liquid circuit is completely filled It is recommended to repeat this process several times with small volumes The syringe movement
3. corrections without prior notice GRScientific Aquamax TAN Ed Nov 2009 INDEX Guarantee ccrcrcccsrevcvescceccene Declaration of Conformity seeee Safety measures cee ceceecevcevees Presentation s ceccececceccscceces Required reagents ccceececeeves InstollAhOns 5245 44 44 0s0sssvressoasaens Installation of the syringe tubes Installation of the syringe Electrodes Reaction vessel General view ici ssssaeseredeveaceeees DESscCripliON ccccsdescceser eee nnsen oes Keypad External key board Rear panel Stand by screen St UP cscee isos se arti eser et ts tees Quick guide 5 6ssisicceiecerenssseaees Reagents loading Manual activation Syringe Stirrer Working procedure cseceeeeseeee Calibration Blank Titration Display data Data logger ee0e SysteM cece cerecccccrvereeceeeves Warning and error messages 00 RS 232 C interface iss ccevecevcicnsowes Statistical calculations eeceeeees Specifications sss scsavewe ect eee eevee ees Maintenance eeceececeeceveevens GRScientific aouunun f 10 11 12 13 17 17 18 19 19 20 21 Aquamax TAN Ed Nov 2009 Edition October 2009 DECLARATION OF CONFORMITY CE CE Declaration of conformity We GRScientific P O BOX 242 Ampthill Bedfordshire MK45 5AQ UK declare under our sole responsibility that the product Description Aquamax TAN to which this declaratio
4. every result included in the statistics and allows to repeat those results which are considered as incorrect With the new data the statistics is calculated again and accepting the result the titre is stored automatically in all titration programs Statistical calculations in a titration The instrument shows the number of analysis the mean value the standard deviation and the relative standard deviation The Aquamax TAN does not give the option to replace the incorrect values in titra tion statistics Inputs and outputs Glass Pt electrode BNC connector differential Reference electrode BNC connector differential External keyboard miniDIN connector RS 232C for PC or printer telephone connectorRS 232C for balance telephone connector Connector RCA for stirrer Display Graphic backlit liquid crystal display 128 x 64 dots Keypad Membrane 7 keys Keystrokes gt 6 million Material PET with protector treatment Languages English Spanish French Italian Stepper motor Resolution 1 40000 of the syringe nominal value minimum 0 001 ml Dispensing accuracy as relative error lt 0 2 Reproducibility of the dispensing 0 1 for volumes more than 10 of the syringe volume Syringes 10 ml TLL SL Borosilicate glass PE tip on the synthetic plunger Electrovalve Materials in contact with the liquid PTFE and KELF Reagent tubes Material PTFE GRScientific 20 Electrical safet
5. gt 0 1 TAN gt 1 BLANK Q ANALYZE BLANK Set titration Delete blank Statistics No Sample ID 000001 Continue BLANK Sampe ID 000001 Insert sample Start titration Select BLANK with the down arrow key If required at this stage the sti rring speed can be modified with the arrow keys Nevertheless the factory setting of 30 stirring speed ensures optimal homogenization 0 130ml 255 mV ID 000001 04 38 BLANK b 0 146 ml Accept result Repeat result ANALYZE TAN lt 0 1 TAN gt 0 1 TAN gt 1 BLANK Aquamax TAN Ed Nov 2009 GRScientific i WORKING PROCEDURE TAN DETERMINATION Prepare the sample if required as described in the norm ASTM D 664 section 10 i Into the titration vessel introduce a weighed quantity of sam ple as recommended in the Table 1 ow Add 100 ml of titration solvent and one stirring bar 4 Place the titration vessel on the titration stand From the Main Menu select the option ANALYZE Perform the titration using the corresponding program in accordance with the expected TAN value 5 After the analysis the instrument presents the result in mgKOH g 6 Once the titration has finished rapidly remove the vessel with the titrated sample from the titration stand Do not allow elec trodes to remain immersed in titration solvent for any apprecia ble period of time between titration 7 Store the electrodes as
6. valve Place the tube on the sensor support 2 Screw the reagent inlet tube on the position placed on the right side of the valve Introduce the tube into the reagent bottle and screw the cap Important In order to avoid possible reagent leakage it is strongly advisable to periodically check and retighten the screw joints especially during the first days of use of the Aquamax TAN Electrovalve Syringe glass barrel Fixing cylinder Syringe plunger Cursor 4 Place the fixing cylinder on the metal clamp 5 Pull the plunger if required and screw it on the cursor 8 Important In order to avoid possible reagent leakage it is strongly advisable to periodically check and retighten the syringe in the valve especially during the first days of use of the Aquamax TAN 6 Aquamax TAN Ed Nov 2009 INSTALLATION preparation of the electrodes for use 8 Important Electrodes are made from glass Handle them carefully at all time pi Protective cap 1 S7 connector i Refilling port 2 ort 2 a electrolyte 3 Storage NS adapter 5 pan protector 4 pi Protective cap 1 S7 connector Storage protector 2 GRScientific Sleeve diaphragm 6 NS adapter 3 Pt wire pH membrane aS Reference electrode l 2
7. GRS cientific USER MANUAL Aquamax TAN GUARANTEE The Aquamax TAN titrators are guaranteed against any manufac turing defect or component failure GRScientific will repair or replace free of charge any defective com ponent or parts of the instruments under guarantee This guarantee does not cover damage caused by accident improper use or internal handling by unauthorised persons Syringe and valve will be replaced under guarantee once our after sales service confirms they have a factory defect This guarantee does not cover defects caused by incorrect use damage caused by accidents premature wear caused by certain working conditions Electrodes are also guaranteed against manufacturing defects GRScientific will replace any sensor deemed to have factory defects free of charge once confirmed by our After Sales Service This guarantee does not cover defects caused by incorrect use normal sensor wear logical premature wear caused by certain samples damage caused by accidents Validity Instrument 5 years Sensors 6 months In the event of failure Contact your local GRScientific dealer The continuous improvement of our instruments can bring about differences between the information written in this manual and the purchased instrument The data figures and descriptions contained in this manual cannot be legally asserted GRScientific reserves the right to make changes and
8. Quit lt appears when there are not any results stored or when the search pi conditions do not correspond to any stored result The PC has been configured but it is not connected or the connec tion does not work Attention All data will be erased Continue lt appears when the option Erase data logger is selected oe sees 18 quamax Ed Nov 2009 GRScientitic RS 232 C INTERFACE The Aquamax TAN has 2 serial ports RS 232 C that allow to commu An example of printed report nicate with a balance and with a printer or a PC Connection Aquamax TAN Balance To receive the sample or standard weights directly from the balance Quality Control eoi m E without manual transcription a i cation AQUAMAX TAN SN 92901 V2 0 To establish the communication Msn a Hovener 2006 ee connect the Aquamax TAN to the balance The cable depends on ANALIZE TAN gt 0 1 the balance pinout E Sample 1D 000001 program the same communications protocol in the balance and in Sample Volume Result Time the Aquamax TAN In the AquamaxTAN it must be selected from D o ee mmiss System Weights entrance Automatic 20 0000 0 990 0 24 04 38 Data output to printer or PC AEE It allows to send through the RS 232C the information of the results Operator Operator 1 programs etc The communications protocol of the RS channel is Baud Rate 9600 bps Word length 8 bits Stop bits 2 bits Parity None To establ
9. RScientific MAIN MENU A ANALYZE CALIBRATION MANUAL ACTIVATIO DISPLAY DATA Y SYSTEM ANALYZE TAN lt 0 1 TAN gt 0 1 TAN gt 1 BLANK ANALYZE TAN gt 0 1 Set titration Statistics No Sample ID 000001 Continue TAN gt 0 1 Sample 1 1 Sampe ID 000001 Weight 00 0000 g TAN gt 0 1 Sampe ID 000001 Insert sample Start titration TAN gt 0 1 0 146ml 55 mV ID 000001 01 38 BLANK TAN 0 15 mg KOH g Next sample TAN gt 0 1 Sample 1 1 Sampe ID 000002 Weight 00 0000 g Select with DO and accept with 0K Introduce the mass of the sample Select with modify with a and accept with If required at this stage the stirring speed can be modified with the arrow keys Nevertheless the factory setting of 30 stirring speed ensures optimal homogenization If required selecting other titration program press the key ESC until appearing the corresponding dis play Aquamax TAN Ed Nov 2009 WORKING PROCEDURE TAN DETERMINATION More features Interrupted process The same as in Blank Determination see page 14 Access to other parameters Set titration If this option is selected three titration parameters can be modified Advanced stirring 20 s Advanced stirring before starting the titration 20 s in the pro grams TAN lt 0 1 and TAN gt 0 1 and 60 s in the program TAN gt 1 This time
10. Stirrer Burette Stirrer OFF Stirrer obo 30 J ON TAN determination It consists in 3 steps 1 Calibrate the electrodes with buffer pH 11 See WORKING PROCEDURE CALIBRATION page 13 2 Blank determination See WORKING PROCEDURE BLANK DETERMINATION page 14 3 TAN determination From the Main Menu select the option ANALYZE See WORKING PROCEDURE TAN DETERMINATION page 15 Aquamax TAN Ed Nov 2009 WORKING PROCEDURE CALIBRATION The calibration with buffer pH 11 should be performed daily MAIN MENU 1 Pour approx 45 50 ml of buffer 11 in the supplied calibration A ANALYZE flask CALIBRATION MANUAL ACTIVATION 2 Place it on the titration stand and immerse both electrodes DISPLAY DATA reference and indicator The liquid should cover the sensitive TSIEN part of both electrodes Do not immerse the outlet burette tube 3 From the Main Menu select Calibration and follow the instruc CALIBRATION Rinse the electrodes pair with analytical tions on the instrument s display Attention grade water Immerse the electrodes Dry with soft tissue Recommendations in buffer pH 11 Immerse in the calibration flask with Calibrate the pair of electrodes daily The buffer solution should oat buffer pH 11 be in good conditions and at room temperature CALIBRATION After use close the calibration flask This portion of buffer pH 11 can be used for performing about 3 4 calibrations After that 272 mV repl
11. ace it by fresh one The bottle with buffer pH 11 should be stored in cool dry place a REA 00 05 avoiding direct sun light After use close the bottle with the Automatically after 1 minute measurement corresponding cap CALIBRATION The stirring speed can be modified during Calibration Nevertheless using the supplied calibration flask and magnetic Memorized value bar the factory setting ensures stable stirring speed Continue MAIN MENU A ANALYZE CALIBRATION MANUAL ACTIVATION DISPLAY DATA y SYSTEM GRScientitic 13 Aquamax TAN Ed Nov 2009 WORKING PROCEDURE BLANK DETERMINATION This process must be carried out when the instrument is used for the first time and for every new batch of titration solvent Additionally it is recommended to re check periodically the blank value of the titration solvent _ In the titration vessel introduce 100 ml of titration solvent and the stirring bar N Rinse the electrodes with 2 propanol amp o Put the vessel containing the solvent solution on the titration stand From the Main Menu select the option ANALYZE Perform titration using the program Blank 4 Once the titration has finished select Accept result In this way the Blank value is stored automatically in all TAN titration programs 5 Once the titration has finished rapidly remove the vessel with the titrated blank from the titration stand Do not allow electro des to remain im
12. ation flask of 50 ml for buffer pH 11 stirring bar inclu ded code 91 93 24 1 x Set of 3 titration vessels 200 ml code 91 93 23 1 x Pack of white O rings 10 units for valve screws code 91 87 34 Optional accessories Thermal printer code 91 82 01 Dotmatrix printer code 91 82 00 Standard PC keyboard code 91 90 13 Communication software TiCom code 91 86 82 LiCl 1 M in ethanol electrolyte for refilling the reference electrode GRScientific j Aquamax TAN Ed Nov 2009 INSTALLATION eee of the burette tubes Reagent outlet tube Remove the protecting sticker White O ring inside Reagent inlet tube From titrant bottle to syringe From syringe to titrant vessel of the syringe 2 Co 1 Introduce 1 3 part of the plunger in the glass barrel 2 Put the fixing cylinder as shown Switch on the instrument The cur sor automatically goes to down position 3 Screw the syringe on the valve GRScientific 1 Remove the protecting stickers from the inlet and outlet of the valve 2 Check that there is a small white O ring in every screw It must be in horizontal position This O ring ensures the union tightness A Attention If the O ring is not inside check that it is not stuck on the protecting sticker 1 Screw the reagent outlet tube on the position placed on the left side of the
13. described in Electrode storage between samples page 15 8 Next sample If required selecting other titration program press the key ESC until appearing the corresponding display TABLE 1 Acid Number Mass of test Accuracy of portion g weighing g 0 05 lt 1 0 20 0 2 0 0 10 1 0 lt 5 0 5 0 0 5 0 02 5 lt 20 1 0 0 1 0 005 20 lt 100 0 25 0 02 0 001 100 lt 260 0 1 0 01 0 0005 Electrodes storage Between samples At the end of the titration rinse the electro des pair with titration solvent then with 2 propanol and finally with reagent grade water Immerse the glass electrode in pH 4 5 5 5 water from 3 to 5 minutes to rehydrate the aqueous gel layer of the membrane The reference electrode and burette tip can stay in air Prior to beginning the next sample rinse the electro des pair with 2 propanol to remove the water The same solvent cleaning beaker 2 propanol beaker and water may be used for short series of samples They should be changed at reasonable intervals before contamination builds up For middle and long period of time When the reference electrode is not in use it should be stored in the storage protector containing LiCl 1 M in ethanol When the glass electrode is not in use it should be stored in the storage protector containing pH 4 5 5 5 reagent grade water 8 Important At the end of the day return the reagent from the syringe to the original bottle see MANUAL ACTIVATION G
14. e view of the titration vessel to Recommendations UU HUD The NS position should ensure that the sensitive part of the electrodes are immersed glass Pt electrode the platinum wire reference electrode the sleeve diaphragm d Burette outlet tube The stirring bar must not knock the electrodes tips Recommended O solvent level _ Antidiffuser GENERAL VIEW Connect the plug in power supply electrode cable and magnetic stirrer to the rear panel lt gt KOH 0 1 M in ethanol GRScientitic 8 Aquamax TAN Ed Nov 2009 DESCRIPTION Keypad On Off s Move backwards in the menus Interrupt a Manual activation Interrupt a titration Move forwards in the menus confirming the option marked in gray in bold in this manual In the data logger menu it displays the first register Selection between the different displayed options Selection of numeric values In the Data logger it displays the next register In Manual activation it empties the syringe through the outlet tube Selection between the different displayed options Selection of numeric values In the Data logger it displays the previous register In Manual activation it loads the syringe through the inlet tube Move forwards a digit when entering a
15. ed accessories Aquamax TAN 1 x Plug in power supply 90 264 VAC 47 63 Hz 24 Volt DC code 91 87 36 1 x TLL SL syringe 10 ml code 91 92 29 1 x Burette inlet tube with bottle cap DIN 45 screw code 91 87 05 1 x Burette outlet tube with antidiffuser device code 91 87 38 1 x Cotton filter cartridges code 91 91 99 1 x Support for electrodes and tube with magnetic stirrer code 91 93 22 REQUIRED REAGENTS Titrant reagent KOH 0 1 mol l in 2 propanol Warning KOH causes severe burns 2 propanol is flammable Titration Solvent Mixture of water 2 propanol toluene in relation 5 495 500 Warning Flammable Aqueous pH 11 Buffer solution 3 Read carefully the manual of the instrument 4 In case of liquids splashes wipe off immediately The instru ment is not waterproof 5 Exclude the following environmental influences vibrations direct sunlight atmospheric humidity higher than 80 corrosive gases present temperature below 15 C and above 40 C powertul electric and magnetic fields 6 Only use original accessories and spare parts 7 Have the instrument serviced only by GRScientific Service 1 x Indicator glass electrode code 91 52 51 1 x Reference electrode code 91 52 41 2 x Electrode cable with BNC connector code 92 90 55 2 x Conical adaptor NS 14 23 code 92 87 60 1 x Electrolyte for reference electrode LiCl 1 M in ethanol bottle of 250 ml code 91 95 20 1 x Calibr
16. ed value Y SYSTEM PRINT This option appears only when the Printer is activated in the Data Output see SYSTEM It allows to print the data logger When a Printer is connected to the Aquamax TAN after a titration the following data will be printed Header date and hour sample ID sample mass titration result final volume titration duration user name MAIN MENU DATA LOGGER DATA LOGGER A ANALYZE Empty Dota L ees CALIBRATION mply Vata Logger By date xx xx xx Display data I By ID x Print data Memorized value MANUAL ACTIVATION BS DISPLAY DATA V_ SYSTEM GRScientific ki DATA LOGGER DATA LOGGER A ANALYZE CALIBRATION Empty Data Logger By date xx xx xx Continue Continue Result 3 25 lt 3 gt A 28 10 2009 12 35 16 ID 00003 0 23 mgKOH g TAN gt 0 1 G 20 15 y Vf 0 962 ml 06 24 Aquamax TAN Ed Nov 2009 SYSTEM This option allows to adapt the Aquamax TAN configuration to the user needs MAIN MENU A ANALYZE Operator s name 17 characters Only when the Data Output is PION activated Introduction of up to 4 operator s name through an exter MANUAL ACTIVATION nal PC keyboard The selected name will appear on the printed DISPLAY DATA Y SYSTEM report Data output To a printer computer or deactivated Select deactivated if there is no printer or PC connected SYSTEM SYSTEM If there is a printer select Printer and the model thermal o
17. is interrupted by pressing the key ESC or when the syringe piston reaches the position up or down Fill the syringe fills with reagent from the bottle Empty empty the syringe content into the titration vessel Return reagent this options allows to return the syringe content into the bottle It is recommended at the end of the working session or before cleaning b Important At the beginning of the working day fill approx 50 of the syrin ge volume and empty in waste beaker In this way possible air bubbles formed in the liquid circuit will be eliminated lt is recommended to return syringe content into the reagent bottle at the end of the working session or before cleaning To clean the liquid circuit the procedure of Reagent Loading should be carried out with ethanol Stirrer This option allows to activate the stirrer Once activated the stirring speed can be modified with the arrow keys up and down WORKING PROCEDURE Installation 1 Install the instrument titration stand and electrodes in accor dance with the chapters INSTALLATION GENERAL VIEW and REAR PANEL pages 6 9 2 Load the titrant reagent KOH 0 1 mol l in 2 propanol into the syringe see MANUAL ACTIVATION page 12 GRScientific 12 MAIN MENU A ANALYZE CALIBRATION MANUAL ACTIVATION DISPLAY DATA Y SYSTEM MANUAL ACTUATION lt 4 Return A Empty y Fill Burettes Stirrer MANUAL ACTUATION
18. ish the communication with the printer it must be connected to the Aquamax TAN and select in System Data output to printer To establish the communication with a PC it is necessary to connect the PC to the Aquamax TAN with the corresponding cable and select System Data output to computer Capture TiCom UNITS The result calculation is carried out in accordance with the following equation Acid number mg KOH g mlb x M x 56 1 G where ml volume corresponding to the titrant reagent used in the titration ml b volume corresponding to the blank titration ml M concentration of the KOH in 2 propanol 0 1 mol l standard value 56 1 molecular weight of KOH g mol G sample mass g GRScientific 19 Aquamax TAN Ed Nov 2009 STATISTICAL CALCULATIONS Symbol Equation n x x Jxi n SD s SD xi n 2 n 1 1 2 RSD sr RSD SD 100 x where n number of samples x mean value SD s standard deviation RSD sr relative standard deviation To obtain the statistical data of an analysis it is necessary to repeat it as many times as number of samples programmed SPECIFICATIONS Non volatile memory 3 TAN titration programs and 1 Blank program Electrodes pair calibration with buffer pH 11 Clock calendar Header text 2 lines x 40 characters Name of up to 4 operators Up to 55 results stored in the data logger Statistical calculations in a blank titration The Aquamax TAN presents
19. mersed in titration solvent for any appreciable period of time between titration 6 Store the electrodes as described in Electrode storage between samples page 15 More features Interrupted process A titration can be interrupted at any moment by pressing the key ESC On the display appears Process interrupted Quit Continue Select the desired option with the arrow keys and accept with OK Access to other parameters Set titration If this option is selected two titration parameters can be modified Advanced stirring 20 s Initial addition 0 000 ml The above mentioned values correspond to the factory setting of the instrument Delete blank This option allows erasing the last blank value sto red in memory of the Aquamax TAN Statistics No no statistics calculation in the blank determination Yes statistics calculation in the blank determination The number of samples to be performed should be programmed See STATIS TICS CALCULATION page 20 Sample ID With Deactivated Data Output it is always numeric and sequen tial assigned by Aquamax TAN With Activated Data Output the sample ID can be Automatic numeric and sequential assigned by Aquamax TAN or Manual allowing introduction of alphanumeric code per sample with the help of external PC keyboard see SYSTEM page 18 MAIN MENU A ANALYZE CALIBRATION MANUAL ACTIVATIO DISPLAY DATA v SYSTEM ANALYZE TAN lt 0 1 TAN
20. n relates is in conformity with the following normative documents Low voltage directive 2006 95 CE Standard UNE EN 61010 1 07 2002 UNE EN 61010 1 11 2003 EMC Directive 2004 108 CE Standard UNE EN 61326 1 10 2006 Place and date Ampthill 19 10 2009 GRScientific GRScientitic 4 Aquamax TAN Ed Nov 2009 SAFETY MEASURES g Warning Please read carefully this information before installing and using the instrument These safety measures do not purport to address all safety pro blems associated with the use of this instrument It is the responsibility of whoever uses this instrument to consult and establish appropriate health and safety practices and deter mine the applicability of regulatory limitations prior to use 1 Never work in an environment subject to explosion hazards The housing of the instrument is not gas tight 2 Using chemicals comply with the general instructions for hazard prevention and safety rules e g wear protective clothing eye protection and gloves PRESENTATION The Aquamax TAN is specific titrator for Total Acid Number determi nation in accordance with ASTM D 664 The messages on the instrument s display guide the user making it suitable for routine analysis There are three titrations programs and the user should select one of them for performing the analysis in accordance with the expected TAN value in the sample The Aquamax TAN express the result in mg KOH g sample Suppli
21. numeric value Show the next display in those menus that have more than one Move backwards a digit when entering a numeric value Show the previous display in those menus that have more than one In Manual activation it empties the syringe through the inlet tube External keyboard Standard PC keyboard lts main use is the text introduction header user name reagent name and alphanumeric sample identification It allows the introduction of numeric data too If the automatic sample identification is used it is not necessary the connection of a PC keyboard to the Aquamax TAN GRScientific Rear panel PS 2 RS 232C RS 232 C KEYBOARD BALANCE PRINTER MOUSE SAMPLER PC 24 VDC Q A ae Pr rat 6 Ti fai ts 163 GLASS REFERENCE ELECTRODE ELECTRODE STIRRER ro a a a _ ae 5 fai r5 im Connections for 1 External PC keyboard 2 Balance 3 Printer or PC 4 Glass Pt Electrode 5 Reference Electrode 6 Magnetic stirrer 7 Plug in power supply Stand by screen If the instrument is not used for more than 5 minutes it will automati cally display the Stand by screen Press any key to go back to the previous screen Serial N Softw si Aquamax TAN an SN 92000 V2 0 10 12 01 adedi 29 10 2009 13 12 0 Hour Aquamax TAN Ed Nov 2009 START UP When switching on the instrument for the first time must be selected Language Select the corres
22. ponding language Data output Select Deactivated if neither printer nor PC are connected Selecting Printer or Computer the Aquamax TAN will ask for Report header Two lines of 20 characters for company name intro duction etc The use of a PC keyboard is necessary Sample ID Manual sample identification introduction per each sample Automatic consecutive sample identification assigned by the titrator The instrument presents the Main Menu From the option SYSTEM in the main menu the user can select weight entrance date and hour etc see page 18 Aquamax TAN Ed Nov 2009 GRScientific 10 Switch on esfor the first time INSTRUMENT OFF Aquamax TAN ESPANOL ENGLISH ITALIANO FRANCAIS m DATA OUTPUT Idioma Language Lingua Langue Deactivated For Printer For PC Aquamax TAN SN 92000 29 10 2009 V 2 0 13 12 01 MAIN MENU A ANALYZE CALIBRATION MANUAL ACTIVATION DISPLAY DATA v SYSTEM successive times INSTRUMENT OFF Aquamax TAN SN 92000 29 10 2009 V 2 0 13 15 01 MAIN MENU A ANALYZE CALIBRATION MANUAL ACTIVATION DISPLAY DATA y SYSTEM QUICK GUIDE MAIN MENU ANALYZE ANALYZE TAN gt 0 1 A ANALYZE TAN lt 0 1 Set titration CALIBRATION l ie See TAN DETERMINATION MANUAL ACTIVATION a TAN gt 0 1 Statistics No 15 DISPLAY DATA TAN gt 1 Sample ID
23. r dotmatrix A Data output er ere Selecting Computer the options Capture and TiCom appear Weight entrance yor wells Date and hour Automatic Select the corresponding software Display conlras Ma al If Printer or Computer is selected the following options will V language appear in System Report header 2 lines of 20 characters for the company name etc Use an external PC keyboard Sample ID Manual introduction via external keyboard for each sample or automatic and consecutive assignment by the instru ment 9 characters Weight entrance Automatic or manual If automatic weight entrance is selected the titrator requires the balance communication protocol baud rate word length parity stop bits Date Hour Clock and calendar Display contrast It increases or decreases the display contrast Language English Spanish Italian French WARNING AND ERROR MESSAGES During calibration Other messages Attention mV gt 148 mV Printing error Attention mV lt 324 mV Attention Use fresh portion of buffer pH 11 and recalibrate Repeat Be eth as No printout During titration Quit Initial tendency Recalibrate with fresh portion of buffer pH 11 Check that it is not already titrated sample The printer has been configured but it is not connected or not switched on Messages in Data logger PC not connected Attention Attention Repeat Data logger empty No sending Continue
24. should allow the complete dissolving of the sample in the titration solvent before starting the titration Initial addition 0 000 ml The instrument always performs initial addition equal to the blank value Higher initial addition is suitable for samples with high titrant consumption KOH Conc 0 1 Modify this value if KOH with different concentration is used Statistics No no statistics calculation in the TAN determination Yes statistics calculation in the TAN determination The number of samples to be performed should be programmed See STATISTICS CALCULATION page 18 Sample ID The same as in Blank Determination see page 14 GRScientific 1a Aquamax TAN Ed Nov 2009 DISPLAY DATA DATA LOGGER This option allows to manage the Data Logger Display Data This is a data base of the last 55 titration and blank results These results can be viewed on the instrument s display printed or sent to a PC The Data logger offers different queries that allow to select the results according to a pre set search conditions If no condition is entered all available data will be displayed When the Data logger is full a new result will automatically repla ce the oldest one Empty data logger to erase all stored results Memorized values This option displays the reading obtained in buffer pH 11 in the last calibration and the Blank value MAIN MENU MANUAL ACTIVATION B Display data DISPLAY DATA Memoriz
25. wards soak briefly in 2 propanol to remove the solvent then soaking in pH 4 5 5 5 water 3 to 5 minutes to rehydrate GRScientitic 21 Aquamax TAN Ed Nov 2009 Instrument supplied by GRS cientific GR Scientific Ltd P O Box 242 Ampthill Bedfordshire MK45 5AQ United Kingdom Tel 44 0 1525 404747 Fax 44 0 1525 404848 E mail info grscientitic com edition November 2009 Code 179
26. y Meets EC EN 61010 EMC Electromagnetic Compatibility Meets EC EN 61326 Permitted ambient conditions Operating temperature 15 40 C Storage temperature 10 50 C lt 80 relative humidity non condensing Power supply External power supply 90 264 VAC 47 63 Hz 24 Volt DC Enclosure ABS and enameled steel Physical parameters Weight 4 kg approx Dimensions 130 x 160 x 300 mm Aquamax TAN Ed Nov 2009 MAINTENANCE Instrument maintenance At the end of the day return the reagent from the syringe to the original bottle If the instrument is not in use for long time it is recommended to clean the liquid circuit tubes and syringe with ethanol See Manual Activation If there are crystals of other sediments inside the syringe take it out and clean it immediately Any deterioration of the piston may cause leaks Verify that the aspirating tube of the syringe does not touch the bottom of the titrant bottle In this way possible aspiration of sediments is avoided Electrode maintenance Reference electrode Daily refill the electrode with electrolyte if required Change periodically the electrolyte LiCl 1 M in ethanol of the reference electrode Ensure that there are not air bubble in the electrolyte liquid Glass electrode If sample residue remains after the rinse with titration solvent another solvent such as xylene heptane or chloroform may be used for rinse After
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