M 530P - American Instrument Exchange, Inc.
Contents
1. 5 Set the date and time according to section 4 6 1 Caution Make sure that the poles of the batteries are the right way round The signs on the batteries must correspond to the signs in the battery compartment Only use leakproof alkaline manganese batteries 43 Maintenance cleaning disposal 44 M 530P 5 2 Cleaning Occasionally wipe the outside of the meter with a damp lint free cloth Disinfect the housing with isopropanol as required Caution The housing is made of synthetic material ABS Thus avoid contact with acetone or similar detergents that contain solvents Remove any splashes immediately 5 3 Packing This meter is sent out in a protective transport packing We recommend Keep the packing material The original packing protects the meter against damage during transport ba75562e02 12 2005 M 530P Error message Err1 Error message Err2 Error message Err4 Error message CalError ba75562e02 12 2005 6 What to do if Cause What to do if Remedy pH electrode Measured value outside the measuring range Use a suitable electrode Air bubble in front of the diaphragm Remove air bubble Air in the diaphragm Extract air or moisten diaphragm Cable broken HReplace electrode Gel electrolyte dried out Cause Replace electrode Remedy No electrode connected Connec2. Trademark Owner of the trademark Merck Merck KGaA Mettler Toledo Mettler Toledo Fisher Fisher Scientific Company Fluka Fluka AG Radiometer Radiometer Baker Mallinckrodt Baker Inc Metrohm Metrohm AG Beckman Beckman Instruments Inc Hamilton Hamilton Company Corporation Precisa Precisa Instruments AG Windows Microsoft Corporation 57 Lists 58 ba75562e02 M 530P 12 2005 M 530P Index A Authorized use 12 AIO Al ou date eaten bob end a dO et A 28 o uui i eh bee davi eas 20 B Battery compartment 43 C GallbratO 5i ce arte oce p es 22 Calibration evaluation DIG artdir Ed du cura ae 25 Calibration interval 27 Calibration points DE sea ca DD 24 CONCA sre nit hoe a et eos 24 30 Connect the power pack 15 D IJISDIG V Stott dene det ew dio oboe Te dena m e 9 Dini CON Ol icc vdd dao RR EQ 20 E Energy saving feature 17 F Firmware update LL 61 Initial commissioning 15 Interval Calibration siva e i 27 K MO SIE 8 L Boii MEC NILUM 46 M Measurement accuracy 27 ba75562e02 12 2005 Lists O Operation location 17 Operational safety 12 ORP SlectrOd6 acce dana BOE 21 ORP voltage ooooo ooo 21 P pH buffersets LLL 22 Precautions siria avis 11 R MOS esd eh ia REESE 41 All meter setting
3. e g a gold or platinum surface The pH is a measure of the acidic or basic effect of an aqueous solution It corresponds to the negative decadic logarithm of the molal hydrogen ions activity divided by the unit of the molality The practical pH value is the value of a pH measurement Name of a measuring technique The signal depending on the measured parameter of the electrode is the electrical potential The electrical current remains constant Restoring the original condition of all settings of a measuring system 55 Lists Resolution Slope Stability control Standard solution Test sample Zero point 56 M 530P Smallest difference between two measured values that can be displayed by a measuring instrument The slope of a linear calibration function Function to control the measured value stability The standard solution is a solution where the measured value is known by definition It is used to calibrate a measuring system Designation of the test sample ready to be measured Normally a test sample is made by processing the original sample The test sample and original sample are identical if the test sample was not processed The zero point of a pH electrode is the pH value at which the electromotive force of the pH electrode at a specified temperature is zero Normally this is at 25 C ba75562e02 12 2005 M 530P ba75562e02 12 2005 Trademarks used Lists
4. the meter The purchaser of this meter must ensure that the following laws and guidelines are observed when using dangerous substances e EEC directives for protective labor legislation e National protective labor legislation e Safety regulations O Safety datasheets of the chemical manufacturers 13 Safety M 530P 14 ba75562e02 12 2005 M 530P Switching on the meter Setting the date and time Connecting the power ba75562e02 pack Li 12 2005 Commissioning 3 Commissioning 3 1 Scope of delivery M 530P laboratory meter Power pack 4 batteries 1 5 V Mignon type AA Stand with stand base Operating manual 3 2 Initial commissioning Perform the following activities O Switch on the meter e Set the date and time e Connect the power pack for line power operation only 1 Switch on the meter with lt On Off gt A display test is briefly displayed 2 See section 4 6 1 Caution The line voltage at the operating site must lie within the input voltage range of the original power pack see chapter 7 TECHNICAL DATA Caution Use original power packs only see chapter 7 TECHNICAL DATA 3 Insert the plug into the socket of the pH meter 4 Connectthe original power pack to an easily accessible power outlet Note You can carry out measurements without the power pack 15 Commissioning M 530P 16 ba75562e02 12 2005 M 530P Operation 4 Operation 4 1 Switching o
5. value of the zero point ASY is displayed for 10 seconds then the value of the slope SLO is displayed for 10 seconds After this the meter switches to the measuring mode 8 To continue the two point calibration thoroughly rinse the electrode with deionized water 9 If necessary set the temperature of the second buffer solution with lt A gt lt W gt 10 Immerse the pH electrode in the second buffer solution 11 Press the OK key The second pH value appears on the display 12 Using lt A gt lt W gt set the measured value to the nominal pH value of the buffer solution at the current temperature 13 When the measured value is stable press the OK key The value of the zero point ASY is displayed for 10 seconds then the value of the slope SLO is displayed for 10 seconds After this the meter switches to the measuring mode ba75562e02 12 2005 31 Operation M 530P 4 5 Downloading calibration data Download to display You can download calibration data to the display as follows during display test 1 Switch on the meter with lt On Off gt The display test appears briefly on the display 2 During the display test display the calibration data with CAL The following data is displayed consecutively for 10 seconds each date zero point slope Day Month AutoCal While the calibration data is being displayed you can o press lt OK gt to display further calibration data date zer
6. 530P 4 4 3 Conventional calibration ConCal Use any buffer solution for this rapid method The calibration will be the more exact the nearer the pH value of the buffer solution is to that of the test sample Use two buffer solutions for this procedure e pH 7 0x 0 5 O any other buffer solution Note The steps 2 and 9 are not necessary if you use a pH electrode with a temperature sensor 1 Press the CAL key repeatedly until the ASY display indicator and the ConCal function indicator appear The sensor symbol displays the evaluation of the last calibration or no sensor symbol in the delivery state or after the measurement parameters have been reset ConCal 2 I necessary set the temperature of the first buffer solution with lt A gt lt V gt 3 Immerse the pH electrode in the first buffer solution pH 7 0 0 5 for two point calibration 4 Press the OK key The measured pH value appears on the display 5 Using lt A gt lt YW gt set the measured value to the nominal pH value of the buffer solution at the current temperature 6 Press the lt OK gt key The value of the zero point mV and the sensor symbol appear on the display 7 Press the lt OK gt key SLO appears on the display ba75562e02 12 2005 M 530P Operation Note iil Here you can cancel the calibration procedure with lt MODE gt This corresponds to a single point calibration The
7. 530P Unit of the value for the zero point ASY Temperature unit Unit ba75562e02 12 2005 Operation Using lt A gt lt W gt select the unit for the zero point 10 Confirm with OK Unit the setting of the unit of the temperature value is displayed Using lt A gt lt W gt toggle between C and F 11 Confirm with OK Int C the setting of the calibration interval is displayed 39 Operation Calibration interval Int C AutoCal 12 Set the interval with lt A gt lt W gt M 530P 13 Confirm with OK The measurement settings are completed 40 The meter switches to the measuring mode ba75562e02 12 2005 M 530P Calibration values in the default condition i Resetting calibration values ba75562e02 12 2005 Operation 4 7 Reset 4 7 1 Resetting calibration values This function resets the calibration values to the default condition All other meter settings are retained Zero point pH 7 000 0 mV Slope 100 96 59 16 mV pH Note The measuring system is not calibrated after a reset Before measuring recalibrate the meter 1 Press On Off gt to open the menu for the reset of the calibration data Ini C is displayed 2 Press lt A gt lt W gt to display no or YES YES Reset the calibration values no Hetain the calibration values 3 Confirm with OK The menu is finished The meter switc
8. Operating manual Laboratory pH meter ba75562e02 12 2005 Pi n Accuracy when going to press Warranty M 530P The use of advanced technology and the high quality standard of our meters are the result of a continuous development This may result in differences between this operating manual and your meter Also we cannot guarantee that there are absolutely no errors in this manual Therefore we are sure you will understand that we cannot accept any legal claims resulting from the data figures or descriptions We guarantee the meter described for 3 years from the date of purchase The meter warranty covers manufacturing faults that are discovered within the warranty period The warranty does not cover components that are replaced during maintenance work e g batteries The warranty claim extends to restoring the meter to readiness for use but not however to any further claim for damages Improper handling or unauthorized opening of the meter invalidates any warranty claim To ascertain the warranty liability return the meter and proof of purchase together with the date of purchase freight paid or prepaid ba75562e02 12 2005 M 530P ba75562e02 12 2005 M 530P ba75562e02 12 2005 M 530P ba75562e02 12 2005 Contents M 530P Contents OVerVIG Ws o l subi b cQ abeswdurbsRPEE IX Ia 7 el NOD CECI AAA Sete Oe Nie Oy ie e a d co efe qoe eh 8 We DISPO sciat ae uet cowie do he ea eee A 9 lho SSOOKOeUTIO
9. ade mln 45 Technical data seria AA ME de 49 7 1 General dale uos ucro ad ek t x dog e wee ok 49 7 2 Measuring ranges resolution accuracy 51 EIS US sate du adele act chi Batts qued ds esata eee teu t UD dA 53 ba75562e02 12 2005 M 530P ba75562e02 12 2005 Overview 1 Overview The compact M 530P precision pH meter enables you to perform pH measurements rapidly and reliably The M 530P provides the maximum degree of operating comfort reliability and measuring certainty for all applications The proven calibration procedures and special stability control function AR support your work with the pH meter 1 Keypad 2 Display 3 Socket field Overview M 530P In this operating manual keys are indicated by brackets lt gt The key symbol e g OK generally indicates a short keystroke under 2 sec in this operating manual A long keystroke approx 2 sec is indicated by the underscore behind the key symbol e g OK gt lt On Off gt Switch the measuring instrument on off On Call up calibration data Off gt MODE Select measured parameter MODE Open setting menu for calibration and gt measurement lt CAL gt Call up calibration procedure lt CAL__ gt Call up initialization lt AR gt Activate deactivate stability control lt AR_ gt Set the interval for data transmission a lt A gt Increment values scro
10. after the calibration interval has expired Setting the calibration The calibration interval nt C is set to 7 days d7 in the factory interval You can change the interval 1 999 days 1 Open the menu for measurement settings with zMODE 2 Confirm all settings with OK until nt C is displayed 3 Set the calibration interval with lt A gt lt W gt 4 Confirm the setting with OK ba75562e02 12 2005 27 Operation M 530P 4 4 2 AutoCal For this procedure use two buffer solutions of the selected buffer set in any order Note i li The steps 2 and 6 are not necessary if you use a temperature sensor 1 Startthe calibration with lt CAL gt The number of the specified buffer set is displayed SET 1 16 The first buffer BUFFER 1 of the buffer set SET x is requested SET pH Buffer 2 If necessary set the temperature of the buffer solution with lt A gt lt V gt 3 Immerse the pH electrode in the first buffer solution 4 Start the measurement with OK The AR display indicator flashes Depending on the setting the display shows the nominal pH value for the recognized buffer or the electrode voltage mV As soon as a stable value is recognized the next buffer BUFFER 2 is requested SET pH Buffer 28 ba75562e02 12 2005 M 530P i Continuing with two point calibration ba75562e02 12 2005 Operatio
11. ause Recalibrate the measuring system Remedy Batteries almost empty Heplace the batteries see section 5 1 MAINTENANCE ba75562e02 12 2005 M 530P Obviously incorrect Cause What to do if Remedy measured values pH electrode pH electrode unsuitable Use a suitable electrode Temperature difference between buffer and test sample Adjust temperature of buffer or sample solutions too high Measurement procedure not Follow special procedure suitable Meter does not react to Cause Remedy keystroke Operating condition undefined Processor reset or EMC load unallowed Press and hold the AR key and switch the meter on You want to know which Cause Remedy software version is in the E g a question by the service Switch on the meter instrument department During the display test ba75562e02 12 2005 display the software version with lt OK gt 47 What to do if M 530P 48 ba75562e02 12 2005 M 530P Dimensions Weight Mechanical structure Electrical safety Test certificates Ambient conditions Power supply Guidelines and norms used ba75562e02 12 2005 Technical data 7 Technical data 7 1 General data approx 240 x 190 x 80 mm approx 1 0 kg without power pack without stand Type of protection Protective class cETLus IP 43 Il Storage 25 C 65 C Op
12. cribed here The list comprises the trademarks used in the present document and their owners The index helps you to find the topics that you are looking for 53 Lists M 530P 54 Abbreviations C Temperature unit Celsius F Temperature unit Fahrenheit AR Stability control drift control ASY Zero point asymmetry AutoCal Automatic calibration using a selected buffer set Cal Calibration CalError Error message see WHAT TO DO IF disp Display Data memory is displayed Err1 Overflow Display range exceeded Err2 Overflow Display range exceeded Err4 Display range exceeded Ini Initialization Resets individual basic functions to the status they had on delivery LoBat Low Battery batteries almost empty mV Voltage unit mV pH Unit of the electrode slope pH pH value S Slope value SELV Safety Extra Low Voltage SLO Slope slope on calibration TP Temperature Probe Temperature measurement active ba75562e02 12 2005 M 530P Adjusting Asymmetry AutoRange Calibration Electromotive force of an electrode Junction Measured value Measured variable Molality ORP voltage pH value Potentiometry Reset ba75562e02 12 2005 Lists Glossary To manipulate a measuring system so that the relevant value e g the displayed value differs as little as possible from the correct value or a value that is regarded as correct or that the diffe
13. eration 0 C 55 C Climatic class 2 Batteries 4 x 1 5 V alkali manganese batteries Type AA Operational life Approx 1000 operating hours Power pack charging device EMC FRIWO FW7555M 09 15 1432 500 00 Friwo Part No 1883259 Input 100 240 V 50 60 Hz 400 mA Output 9V 1 5A Connection max overvoltage category Il Primary plugs contained in the scope of delivery Euro US UK and Australian EC guideline 89 336 EEC EN 61326 EN 61000 3 2 EN 61000 3 3 FCC Class A Meter safety EEC guideline 73 23 EEC EN 61010 1 ANSI UL 61010 1 Issued 2004 07 12 Ed 2 Hev 2005 07 22 CAN CSA C22 2 No 61010 1 Climatic class VDI VDE 3540 IP protection EN 60529 49 Technical data 50 M 530P FCC Class A Equipment Statement Note This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his
14. for the zero point mV pH Temperature unit C F Calibration interval nt C O 999 Note li You can exit the setting menu at any time by pressing lt MODE gt Settings already modified and confirmed with lt OK gt are stored ba75562e02 12 2005 M 530P Operation 4 6 1 System settings The default setting is printed in bold Switch off interval t Off 10 20 30 40 50 min 1 2 3 4 5 10 15 20 24h Date Day Month Any Date Year Any Time Time Any 1 Open the menu for system settings with lt OK_ gt The first system setting is displayed Switch off interval t Off 2 Set the switch off interval with lt A gt lt W gt 3 Confirm with lt OK gt Day Month the setting of the date is displayed The day display flashes Date and time Day Month ba75562e02 12 2005 35 Operation 36 M 530P 4 Set the date of the current day with lt A gt lt W gt 5 Confirm with OK The month display flashes 6 Set the current month with lt A gt lt W gt 7 Confirm with OK Ident the setting of the year is displayed 8 Setthe year with lt A gt lt W gt 9 Confirm with OK The setting of the time is displayed The hour display flashes 10 Set the current hour with lt A gt lt W gt 11 Confirm with OK The minute display flashes 12 Set the current minute with lt A gt lt W gt 13 Co
15. hes to the measuring mode 41 Operation M 530P 4 7 2 Resetting meter settings This function resets to the default condition all meter settings The relevant values are given in the following sections System settings section 4 6 1 Measurement settings section 4 6 2 HeSEHng 1 Switch on the meter with lt On Off gt g The display test appears briefly on the display 2 During the display test press lt MODE gt to open the menu for the reset of the meter settings Init is displayed 3 Press lt A gt lt W gt to display no or YES YES Reset the meter settings no Retain the meter settings 4 Confirm with OK The menu is finished The meter switches to the measuring mode Note li The measuring system is not calibrated after a reset Before measuring recalibrate the meter 42 ba75562e02 12 2005 M 530P ba75562e02 12 2005 Maintenance cleaning disposal 5 Maintenance cleaning disposal 5 1 Maintenance The only maintenance activity required is replacing the batteries Note For maintenance of the electrodes refer to the relevant operating manuals 5 1 1 Replacing the batteries 1 Open the battery compartment 1 on the underside of the meter 2 Remove the four batteries from the battery compartment 3 Place four new batteries type Mignon AA in the battery compartment 4 Close the battery compartment 1 The date day flashes on the display
16. ions This meter is constructed and tested in compliance with the IEC 1010 safety regulations for electronic measuring instruments It left the factory in a safe and secure technical condition The smooth functioning and operational safety of the meter can only be guaranteed if the generally applicable safety measures and the specific safety instructions in this operating manual are followed during operation The smooth functioning and operational safety of the meter can only be guaranteed under the environmental conditions that are specified in chapter 7 TECHNICAL DATA If the meter was transported from a cold environment to a warm environment the formation of condensate can lead to the faulty functioning of the meter In this event wait until the temperature of the meter reaches room temperature before putting the meter back into operation Caution The meter is only allowed to be opened by authorized personnel ba75562e02 12 2005 M 530P Safe operation Obligations of the ba75562e02 purchaser 12 2005 Safety If safe operation is no longer possible the meter must be taken out of service and secured against inadvertent operation Safe operation is no longer possible if the meter O has been damaged in transport O has been stored under adverse conditions for a lengthy period of time O is visibly damaged e no longer operates as described in this manual If you are in any doubt please contact the supplier of
17. lG oido RR RC o e T CR Ee 10 uus ads dA A S d dca 11 2 1 Authorized use iii prelati RE es 12 2 2 General safety instructions o o o o 12 COMMISSIONING vivir ira pa DE 15 3 1 Scope of delivery 0 05052 EL a 15 3 2 Initial commissioning LL 15 ls zig iie Er PEE 17 4 31 Switching on the meter 0 0000 cee 17 4 2 General operating principleS 18 4 2 1 Operating modes 000 00 eee 18 422 Peron incidan da 18 4 3 MEASURE de ac rh E RE A 19 4 3 1 Measuring the pH value 20 4 3 Measuring the ORP 05 21 4 4 Calibration lel nono 22 4 4 1 Calibration interval INC 27 442 AutoCal erecta oe ai 28 4 43 Conventional calibration ConCal 30 4 5 Downloading calibration data 32 4 05 OCUINGS hak ste y avg do ed oh de as ETE UR daa qb doas ok 34 4 6 1 System settings oooooooo 35 4 6 2 Measurement settings 37 Af ACSC ins AA ed o aee d d 41 4 7 1 Resetting calibration values 41 4 7 2 Resetting meter settings 42 Maintenance cleaning disposal 43 Sil Mantenan E i vic Ec aor dr DEC CHLOE ELE er cd 43 5 1 1 Replacing the batteries 43 5 2 GICAAING 2 44 Hod airs dub onc b Vra ud De EUR o rd 44 Dior cipe PTT 44 Contents M 530P What to d Il 24 ua doen LEUR
18. ll z lt V gt Decrement values scroll lt OK gt Confirm entries lt OK_ gt Open setting menu for system settings ba75562e02 12 2005 M 530P Function display ba75562e02 indicators 12 2005 Overview 1 2 Display SET JU pH BUFFER Status display E N x E E N E Sensor symbol l s E xl N Hf E NE ice a value isplay NEN J N l N BE Function and al E KIN K 1 E i EE temperature display indicators Bat om SET During calibration number of the buffer set BUFFER During calibration number of the buffer AutoCal Calibration with automatic buffer recognition CalError An error occurred during calibration LoBat With battery operation batteries almost empty AR Stability control is active TP Temperature measurement active Overview 10 M 530P 1 3 Socket field Connectors 1 pH electrode Reference electrode Temperature sensor Power pack oa AIOI IN Service interface Caution Only connect sensors to the meter that cannot return any voltages or currents that are not allowed gt SELV and gt current circuit with current limiting Almost all customary sensors fulfill these conditions ba75562e02 12 2005 M 530P Safety 2 Safety This operating manual contains basic instructions that you must follow during the commissioning operation and maintenance of the meter Consequently all responsible personnel must read this operating manual bef
19. n Note Here you can cancel the calibration procedure with lt MODE gt This corresponds to a single point calibration The value of the zero point ASY is displayed for 10 seconds then the value of the slope SLO is displayed for 10 seconds After this the meter switches to the measuring mode Thoroughly rinse the electrode with distilled water 6 If necessary set the temperature of the second buffer solution with lt A gt lt W gt 7 Immerse the electrode in the second buffer solution 8 Press the lt OK gt key The AR display indicator flashes Depending on the setting the display shows the nominal pH value for the recognized buffer or the electrode voltage mV As soon as a stable value is recognized the value of the zero point ASY is displayed for 10 seconds then the value of the slope SLO is displayed for 10 seconds After this the meter switches to the measuring mode Note While the zero point ASY is being displayed you can change the unit of the zero point with lt A gt lt W gt While the slope SLO is being displayed you can change the unit of the slope with lt A gt lt W gt The 96 display refers to the Nernst slope of 59 2 mV pH at 25 C 100 x determined slope Nernst slope The unit of zero point and slope can also be changed permanently in the measurement settings see section 4 6 2 29 Operation Single point calibration 30 Two point calibration Li M
20. n the meter 1 Place the meter on a flat surface and protect it from intense light and heat 2 Press the lt On Off gt key A display test is briefly displayed Subsequently the meter switches to the measuring mode measured value display Note iil The meter has an energy saving feature to avoid unnecessary battery depletion during battery operation The energy saving feature switches off the meter if no key was pressed during the specified interval setting the switch off interval see section 4 6 1 The energy saving feature is not active e if the power is supplied by the power pack ba75562e02 12 2005 Operation 18 Keys Functions Representation M 530P 4 2 General operating principles This section contains basic information on the operation of the M 530P 4 2 1 Operating modes The meter has the following operating modes e Measurement The display indicates the measurement data in the measured value display e Calibration The display guides you thru a calibration procedure with calibration information e Configuration The system menu or a sensor menu with submenus settings and functions is displayed 4 2 2 Operation The meter is operated via keys The keys can have different functions with long or short keystrokes Generally with a short keystroke a function is carried out A long keystroke opens a setting menu In a setting menu settings are selected with the lt A gt l
21. nfirm with OK The system settings are completed The meter switches to the measuring mode ba75562e02 12 2005 M 530P 4 6 2 Measurement settings Operation These settings apply to calibration and measurement the default setting is printed in bold Number of the buffer set for pH calibration SET 1 16 Display during calibration BUFFER pH buffer nominal value U electrode voltage Unit of the value for the slope SLO mV pH Unit of the value for the zero point mV pH ASY Temperature unit Unit C F Calibration interval nt C 0 7 999d Buffer set for pH calibration 1 Open the menu for measurement settings with lt MODE SET Set 1 16 the specified buffer set is displayed 2 Using lt A gt lt W gt select a buffer set Set 7 16 3 Confirm with OK bUFF the setting of the display during calibration is displayed ba75562e02 12 2005 37 Operation M 530P Display during calibration DUFF AutoCal 4 Using lt A gt lt YW gt select the pH or U display during calibration 5 Confirm with OK SLO the unit of the value for the slope mV pH or 96 is displayed Unit of the value for the slope SLO 6 Using lt A gt lt YW gt select the unit for the slope 7 Confirm with OK ASY the unit of the value for the zero point mV or pH is displayed 38 ba75562e02 12 2005 M
22. nterface cable connect the M 530P to the serial interface COM port of the PC 2 Make sure the M 530P is switched on 3 To start the update process click the OK button The program automatically recognizes the used interface 4 To goon follow the instruction of the program During the programming process a corresponding message and a progress bar in appear The programming process takes approx two minutes A terminatory message is displayed after a successful programming process The firmware update is now completed 5 Disconnect the meter from the PC The meter is ready for operation After switching the meter off and on you can check whether the meter has taken over the new software version see page 47 61 62 ba75562e02 M 530P 12 2005 Nova Analytics Corp Woburn MA USA 01801 866 664 6682 www nova ph com
23. o point slope press lt A gt lt W gt to switch over the unit of the zero point AS Y while the zero point is being displayed press lt A gt lt W gt to switch over the unit of the slope SLO while the slope is being displayed Download to display via calibration menu 1 Press lt CAL gt 2 Press CAL 5 to display the calibration data The following data is displayed consecutively for 10 seconds each date asymmetry slope While the calibration data is being displayed you can press lt OK gt to display further calibration data date zero point slope 32 ba75562e02 12 2005 M 530P ba75562e02 12 2005 press lt A gt lt V gt press lt A gt lt V gt Operation to switch over the unit of the zero point ASY while the zero point is being displayed to switch over the unit of the slope SLO while the slope is being displayed 33 Operation 34 M 530P 4 6 Settings You can adapt the meter to your individual requirements The settings are done in the following menus e System settings OK gt Switch off interval t Off Date Day Month Date Year Time Time e Calibration and measurement settings MODE Number of the buffer set for pH calibration Set 1 16 Display of the buffer during calibration pH nominal value or measured voltage value in mV Unit of the value for the slope mV pH or 96 Unit of the value
24. ore working with the meter The operating manual must always be available within the vicinity of the meter Target group The meter was developed for work in the laboratory Thus we assume that as a result of their professional training and experience the operators will know the necessary safety precautions to take when handling chemicals Safety instructions oafety instructions in this operating manual are indicated by the warning symbol triangle in the left column The signal word e g Caution indicates the level of danger Warning indicates instructions that must be followed precisely in order to avoid possibly great dangers to personnel indicates instructions that must be followed precisely in order to avoid the possibility of slight injuries or damage to the meter or the environment Caution Further notes Note iil indicates notes that draw your attention to special features Note indicates cross references to other documents e g operating manuals ba75562e02 12 2005 11 Safety 12 Function and operational safety M 530P 2 1 Authorized use This meter is authorized exclusively for pH and ORP measurements in the laboratory The technical specifications as given in chapter 7 TECHNICAL DATA must be observed Only the operation and running of the meter according to the instructions given in this operating manual is authorized Any other use is considered unauthorized 2 2 General safety instruct
25. own expense ba75562e02 12 2005 M 530P Measuring ranges resolution Manual temperature input Accuracy x 1 digit ba75562e02 12 2005 Technical data 7 2 Measuring ranges resolution accuracy Variable Measuring range Resolution pH 2 00 19 99 0 01 U mV 2000 2000 1 T PC 5 0 105 0 0 1 T PF 23 0 221 0 0 1 Variable Range Increment Tmanuai 5 125 1 Tanga E 23 257 1 Variable Accuracy Test sample temperature pH range 2 00 19 99 0 01 15 C 935 C U mV range 2000 2000 1 15 C 935 C T C temperature sensor NTC 30 0 1 PT 1000 0 3 when measuring in a range of 2 pH around a calibration point Note The accuracy values specified here apply exclusively to the meter The accuracy of the electrodes and buffer solutions has to be taken into account additionally 51 Technical data M 530P 52 ba75562e02 12 2005 M 530P Abbreviations Specialist terms Trademarks used Index ba75562e02 12 2005 Lists 8 Lists This chapter provides additional information and orientation aids The list of abbreviations explains abbreviations that appear on the display or when dealing with the meter The glossary briefly explains the meaning of the specialist terms However terms that should already be familiar to the target group are not des
26. rement with stability control can be terminated at any time accepting the current value by pressing OK 20 ba75562e02 12 2005 M 530P Operation 4 3 2 Measuring the ORP The meter can in conjunction with an ORP electrode measure the ORP mV of a solution 1 Perform the preparatory activities according to section 4 3 Immerse the ORP electrode in the test sample If necessary call up the measured parameter U with MODE 2 3 4 Wait for a stable measured value Note A ORP electrodes are not calibrated However you can check ORP electrodes using a test solution ba75562e02 12 2005 21 Operation Why calibrate When do you have to 22 calibrate AutoCal Buffer sets for calibration M 530P 4 4 Calibration pH electrodes age This changes the zero point asymmetry and slope of the pH electrode As a result an inexact measured value is displayed Calibration determines the current values of the zero point and slope of the electrode and stores them in the meter Thus you should calibrate at regular intervals e After connecting another electrode e When the sensor symbol flashes on the display after the calibration interval has expired after a voltage interruption empty batteries is adapted to the permanently programmed buffer solutions as a fully automatic single point or two point calibration The buffer solutions are automatically recognized by the meter Yo
27. rence remains within the tolerance see zero point Name of the automatic selection of the measuring range Comparing the value from a measuring system e g the displayed value to the correct value or a value that is regarded as correct Often this expression is also used when the measuring system is adjusted at the same time See adjusting The electromotive force voltage U of the electrode is the measurable electromotive force of an electrode in a solution It equals the sum of all the galvanic voltages of the electrode Its dependency on the pH results in the electrode function which is characterized by the parameters slope and zero point The junction is a porous body in the housing wall of reference electrodes or electrolyte bridges It arranges the electrical contact between two solutions and makes the electrolyte exchange more difficult The expression junction is also used for ground or junction less transitions The measured value is the special value of a measured parameter to be determined It is given as a combination of the numerical value and unit e g 3m 0 5 s 5 2 A 373 15 K The measured parameter is the physical dimension determined by measuring e g pH conductivity or D O concentration Molality is the quantity in Mol of a dissolved substance in 1000 g solvent The ORP is caused by oxidizing or reducing substances dissolved in water if these substances become effective at an electrode surface
28. s 42 Calibration values 41 Resolution setting 37 38 39 S Sally oss eut oat Pee da ded b e Gra boe 11 Scope of delivery 15 Setting the date 15 35 Setting the time 15 35 Single point calibration 24 29 31 Slope Dillon nube edu d e pd 22 SOCKELTIeld scum cae ias 10 T Temperature sensor 19 Two point calibration 24 CONCEAL rusia it 30 Z Zero point of the pH electrode 22 59 Lists 60 ba75562e02 M 530P 12 2005 M 530P General information Program installation Program start Firmware update ba75562e02 12 2005 Appendix Firmware update With the Update_Labxxx_MxxxP program and a PC you can update the firmware of the M 530P to the newest version For the update you can connect the meter to a PC via the Service interface For the update via the Service interface the following is required O a free RS232 interface on your PC O an RS232 cable interface cable Install the firmware update program on your PC with the Install Update Labxxx MxxxP Vx yy English exe installation program Start the Update Labxxx MxxxP program from the Windows start menu The selected interface is displayed on the left side of the status bar at the lower edge of the window You can change the language via the language menu Proceed as follows 1 Using the i
29. t W gt keys A setting is confirmed with OK With confirming the setting is finished and the next setting is displayed In this operating manual keys are indicated by brackets The key symbol e g OK generally indicates a short keystroke under 2 sec in this operating manual A long keystroke approx 2 sec is indicated by the underscore behind the key symbol e g OK gt ba75562e02 12 2005 M 530P Preparatory activities il Temperature sensor lil ba75562e02 12 2005 Operation 4 3 Measuring Perform the following preparatory activities when you want to measure 1 Connect an electrode to the meter 2 Adjust the temperature of the buffer solutions or test solutions or measure the current temperature if you measure without a temperature sensor 3 Calibrate or check the meter with the electrode 4 Select the measured parameter with MODE Note Incorrect calibration of pH electrodes leads to incorrect measured values Calibrate regularly before measuring You can measure with or without a temperature sensor If a temperature sensor is connected it is indicated on the display by TP Note The pH meter automatically recognizes the type of the temperature sensor used Therefore you can connect electrodes with an NTC 30 or Pt1000 The temperature measurement is absolutely essential for a reproducible pH measurement If the measurement is made without a temperat
30. t electrode Setting time during calibration too long Cause Adjust temperature if necessary Recalibrate Remedy Temperature not stable during Adjust temperature if calibration necessary Recalibrate Cause Remedy pH electrode The values determined for zero Recalibrate point and slope of the electrode are outside the allowed limits Diaphragm contaminated Clean diaphragm Electrode broken Replace electrode 45 What to do if No stable measured value Sensor symbol flashes Display LoBat 46 Cause M 530P Remedy Buffer solutions Incorrect buffer solutions Change calibration procedure Buffer solutions too old Use only once Note the shelf life Buffer solutions depleted Cause Change solutions Remedy pH electrode Diaphragm contaminated Clean diaphragm Membrane contaminated Test sample Clean membrane pH value not stable Measure with air excluded if necessary Temperature not stable Electrode test sample Adjust temperature if necessary QConductivity too low Use a suitable electrode Temperature too high Use a suitable electrode Organic liquids Cause Use a suitable electrode Remedy Calibration interval expired C
31. ted by law see page 57 Operation Calibration points Li ConCal Stability control Calibration record 24 M 530P Note The buffer set is selected in the menu for measurement settings see section 4 6 2 Calibration can be performed using one or two buffer solutions in any order single point or two point calibration The meter determines the following values and calculates the calibration line as follows Determined Displayed calibration data values 1 point ASY Zero point ASY e Slope Nernst slope 59 16 mV pH at 25 C 2 point ASY Zero point ASY SLO e Slope SLO Note You can display the slope in the units mV pH or You can display the zero point in the units mV or pH This function is a conventional two point calibration using two buffer solutions pH 7 0 0 5 and any other buffer solution or a single point calibration using any buffer solution and is used as a high speed method The calibration procedure automatically activates the stability control function The current measurement with stability control can be terminated at any time accepting the current value by pressing lt OK gt When finishing a calibration the new calibration values are first displayed as an informative message and stored ba75562e02 12 2005 M 530P Displaying the calibration data Calibration evaluation Preparatory activities ba75562e02 12 2005 Operation You can display
32. the data of the last calibration See section 4 5 After calibrating the meter automatically evaluates the calibration The zero point and slope are evaluated separately The worse evaluation of both is taken into account The evaluation appears on the display as the sensor symbol and in the calibration record Sensor symbol Calibration Zero point Slope record mV mV pH 15 15 60 5 58 20 20 58 57 i 25 25 61 60 5 or 57 56 30 30 62 61 or 56 50 Clean the electrode according to the sensor operating manual lt 30 or 62 Or CalError CalError gt 30 50 Eliminate the error according to chapter 6 WHAT TO DO IF 1 Switch on the meter with lt On Off gt 2 Connect a pH electrode to the meter 3 Keep the buffer solutions ready 25 Operation 26 M 530P Adjust the temperature of the solutions and measure the current temperature if the measurement is made without temperature sensor Set the buffer set to be used for calibration as necessary ba75562e02 12 2005 M 530P Operation 4 4 1 Calibration interval nt C The calibration interval reminds you to calibrate regularly When the adjusted calibration interval Int C has expired the sensor symbol flashes It is still possible to measure Note A To ensure the high measuring accuracy of the measuring system calibrate
33. u can use the buffer sets quoted in the table for an automatic calibration The pH values are valid for the specified temperature values The temperature dependence of the pH values is taken into consideration during the calibration No Buffer set 1 Buffers according to DIN 19266 and NIST Retraceable Buffers pH values at 1 679 25 C 4 006 6 865 9 180 12 454 2 000 4 010 7 000 10 011 4 000 7 000 9 000 1 000 6 000 8 000 13 000 4 660 6 880 9 220 2 Technical buffers 25 C 3 Merck1 20 C 4 Merck2 20 C 5 Merck3 20 C ba75562e02 12 2005 M 530P ba75562e02 12 2005 No Buffer set pH values Operation at DIN 19267 1 1 090 4 650 6 790 9 230 25 C Mettler Toledo USA 1 679 4 003 7 002 10 013 25 C Mettler Toledo TEC 1 995 4 005 7 002 9 208 25 C Fisher 2 007 4 002 7 004 10 002 25 C 10 Fluka BS 4 006 6 984 8 957 25 C 11 Radiometer 1 678 4 005 7 000 9 180 25 C 12 Baker 4 006 6 991 10 008 25 C 13 Metrohm 3 996 7 003 8 999 25 C 14 Beckman 4 005 7 005 10 013 25 C 15 Hamilton Duracal 4 005 7 002 10 013 25 C 16 Precisa 3 996 7 003 8 999 25 C Brand names or trade names are trademarks of their respective owners protec
34. ure sensor proceed as follows 1 Measure the current temperature using a thermometer 2 Set the temperature value with lt A gt lt W gt Note When calibrating without temperature sensor also set the current temperature of each buffer solution manually with the lt A gt lt W gt keys 19 Operation M 530P 4 3 1 Measuring the pH value 1 Perform the preparatory activities according to section 4 3 2 Immerse the pH electrode in the test sample 3 Using MODE scroll as necessary until the measured parameter pH is displayed Stability control AR The stability control function drift control checks the stability of the drift control measurement signal The stability has a considerable effect on the reproducibility of the measured value For identical measurement conditions the following criteria apply Drift within 15 sec 0 02 pH units 1 If necessary call up the measured variable pH with MODE 2 With AR activate the stability control function The AH function display indicator appears The current measured value is frozen hold function 3 Start measurement with stability control with OK The AR display indicator flashes until a stable value is measured 4 f necessary start the next measurement with stability control with OK 5 To terminate the stability control function press the MODE or AR key Note iil The current measu
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