pH/Ion 510
Contents
1. 4 Press CAL MEAS key to enter pH calibration mode Press MODE key again to switch to temperature calibration 6 Press A or v key to scroll to the correct temperature value corresponding to the known solution temperature The meter allows a limit of 5 C variation with 0 1 C resolution of the input reading and of the original displayed reading 7 Once you selected the correct temperature press ENTER key to confirm The meter automatically returns to the pH measurement mode MEAS 12 Instruction Manual pH 510 lon 510 4 MEASUREMENT 4 1 Automatic Temperature Compensation ATC For ATC measurements simply attach the temperature probe into the meter see Section 2 2 The ATC annunciator lights up on the LCD NOTE If you are using a temperature probe the probe must be submersed in the liquid you are measuring so that the sample temperature can be recorded and compensated for 4 2 Manual Temperature Compensation MTC Important For MTC you must disconnect the temperature probe 1 Switch the meter on Press the MODE key to select pH mode 2 Press the CAL MEAS key to enter pH calibration mode The CAL annunciator appears above the upper display 3 While in pH calibration mode press the MODE key to enter temperature compensation mode The upper display shows the current temperature setting and the lower display shows the default value 25 0 C if the meter has never been manually set for2. 48 Replace the rubber sleeve Sleeve Rubber J Jm Stopper es 3 Rinse the liquid junction with de ionized water and gently tap dry NOTE If these steps fail to restore normal electrode response you may attempt to rejuvenate it See 6 4 pH Electrode Rejuvenation 21 Instruction Manual pH 510 lon 510 6 3 Electrode Cleaning pH electrodes that are mechanically intact and not in use for a short period of time can be restored to normal performance by one or a combination of following procedures a Salt deposits Dissolve the salt deposits by immersing the electrode in a container filled with some tap water for ten to fifteen minutes Then thoroughly rinse with de ionized water b Oil Grease Films Wash the pH electrode bulb in mild detergent and water Rinse electrode tip with de ionized water c Clogged Reference Junction Heat a dilute 1 KCI solution to 60 80 C Place the sensing portion of the pH electrode into heated KCI solution for approximately 10 minutes as shown above Care must be taken when performing this procedure Allow electrode to cool while immersing in some unheated KCI solution Heating time confirmed at 10 minutes on our side pls take note d Protein Deposits Use Protein Cleaning Solution EC DPC BT 00653 06 to remove any protein that is deposited onto pH electrode Allow the electrode to stand in this solution for five to ten minutes 22 Instruction Manual pH 510 lon 510
3. 5 SETUP FUNCTIONS oeei at aseainena aaaeeeaa ar tu hala ici 17 5 1 P1 0 Glear Memoty cuida tattoo dt dol eee ak 17 5 2 P2 0 Viewing Electrode DiagnosSIiS oooooccnnoncccononccccnnoncncnnonnnnnnonnnonnnon cnn naar n KKK KKK EEK rre RKK RK KERR KK 18 5 3 P3 0 Selecting pH Buffer Standard and No of Calibration Points ooooconoccccnonccocononcnconannnnnnnnncononnnnnnnno 19 5 4 P4 0 Meter p CL RTTE E AA E AT 20 6 pH Electrode Maintenance cssecccceeeeeseeeseeeeseeeeneeeeseaesesseeeeneeeeseaesesaaesaseeeeneeeeseaesaseaeenseeeenees 21 6 1 SOIE E PAE AET ET A A TEE 21 6 2 Alter E E E AE T T A E Radh otaz k okne 21 6 3 Electrode Cleaning simi hobs Scand tat adie ail dian 22 6 4 pH Electrode Rejuvenation ic voii A ia 23 7 TROUBLESHOOTING GUIDE 2 sek ii ai 24 7 1 Error Messagesyiissastetes is A eet 24 7 2 TOUS AOL a 25 8 ADDITIONAL INFORMATION ccccsssecceesseeceeesseeeeeenneeeeeenssaeeeensaeeeensaaeeeenseaeeesnsneaeeeensneeeeenas 26 8 1 PE and Tom iii iii 26 8 2 Use of Standard pH BUESA aia 26 8 3 Standard pH Bue Sui A A ee 26 8 4 List of ACCOSSOM MOS a ek ee ee be 27 8 5 Specifications tits thew Metra aa Bata alee techs a ic 29 9 WARRANTY occaecati aee ta vodu r aid 30 TABLE OF CONTENTS 10 RETURN OF ITEMS ocio id da iii 30 Instruction Manual pH 510 lon 510 1 INTRODUCTION 1 1 Introducing the 510 Bench Series The pH 510 and lon 510 bench meters are microprocessor based which incorporates
4. 6 4 pH Electrode Rejuvenation CAUTION Proper protective eyewear and precautionary measures must be used when performing the rejuvenation procedure as it involves the use of concentrated acid and alkaline Generally if procedure of storage and maintenance had been closely followed the pH electrode can be used immediately However should the electrode response become sluggish it may be possible that the glass bulb has dehydrated Immersing the electrode in an ideal storage solution e g buffer pH 4 solution for 1 2 hours can dehydrate the glass bulb If this fails the electrode may require re activation At no time should you touch or rub the glass bulb as this causes the build up of electrostatic charge If the above procedure does not re activate electrode to acceptable status try rejuvenating electrode by following the procedure outlined below 6 4 1 Rejuvenation Procedure Dip and stir the electrode in freon or alcohol for 5 minutes Leave the electrode in tap water for 15 minutes Dip and stir the electrode in concentrated acid e g HCI H2SO4 for 5 minutes Repeat Step 2 Dip and stir in strong base NaOH for 5 min Leave for 15 minutes in tap water Test with standard calibration buffer solutions o OTB OO NO Finally test with standard calibration buffer solutions to see if the electrode yields acceptable results You may repeat steps 3 6 again for better response maximum 3 times If the response does not improve then the e
5. Sensor electrode Chart recorder AC DC Adapter Temp probe Separate ref electrode Ground Instruction Manual 2 5 The integral electrode holder serves as a handy holder for mounting a few pH lon electrodes or a temperature probe during measurement or when idle This meter s base plate has a side metal bar to which you can attach an integral swivel electrode holder You can mount the electrode holder on either right or left side of the meter To position the electrode arm Use a Phillips screwdriver to remove the screw holding the electrode holder Slide the side metal bar until the second screw slot lines up with the original screw hole Use the screw removed earlier to secure the electrode holder into position NOTE The side metal bar is reversible If desired remove screw holding electrode holder base and slide out of brackets Slide base into brackets on opposite side and tighten screw Body of Electrode Holder u LY Base of Electrode Holder Side Metal Bar pH 510 lon 510 Connecting the Electrode Holder Optional Bottom of Meter A o A O To install the electrode arm to the meter To mount the electrode arm into the metal rod on the side bar align the slot with the metal rod and base of electrode arm Push it downwards until it fully sits into position Avoid using excessive force when fixing or removing The electrode arm is ready for
6. and contamination and need to be cleaned regularly depending on the extent and condition of use Refer to Section 6 3 for more details on cleaning pH electrode 6 1 Storage For best result always keep the pH electrode bulb wet preferably with the use of storage solution pH 4 buffer is also acceptable as a storage medium Do not store in deionized water The protective rubber cap or container filled with the buffer solution provides ideal storage for long periods 6 2 After Use After measurement is complete follow the seguence below for storage a Wash the electrode and reference junction in de ionized water b If using a refillable electrode close the refilling hole by returning its rubber sleeve or stopper cap into position c Store the electrode as mentioned above see Storage 6 2 1 Electrolyte Replacement for refillable electrodes only The reference electrolyte needs to be refilled when the pH electrode has been used for an extended period or when the internal electrolyte has dried up To accomplish this follow the procedure 1 Remove the protective rubber cap or sleeve to expose the filling port of the electrode Remove the old reference electrolyte by flushing out with a syringe and a flexible tube 2 Add in fresh electrolyte until it reaches the level of the refilling port The reference electrolyte depends on your electrode For double junction or Calomel electrodes the electrolyte should be 4M KCI EC RE001 05992
7. completely immersed into the sample Stir the probes gently to create a homogeneous sample Allow time for reading to stabilize When the readings stabilize a READY annunciator displays The READY mode shows the readings are stable within a range of 0 01 pH When this occurs the READY annunciator appears on the top left side of LCD Take the reading To toggle between pH and mV in the pH510 or to toggle between pH mV and lon in the lon 510 press the MODE key 14 Instruction Manual pH 510 lon 510 4 4 HOLD Function This feature lets you freeze the value of the measured reading HOLD can be used anytime when in MEAS mode You can store the held reading into memory by pressing MI key HOLDing a measurement To hold a measurement press the HOLD key while in measurement mode HOLD annunciator will appear on the display Releasing a Held Value To release the held value press HOLD key again HOLD annunciator will disappear from the LCD Continue to take measurements READY 4 5 Storing and Recalling Data from Memory The meters allow up to 100 data sets to be stored and recalled into its non volatile memory in the Last In First Out LIFO sequence The data set is also stored with specified location as indicated on the display However you can selectively view the data at that specified location for added convenience pH 510 meter e pH and Temperature e mV or Relative mV and temperature lon 510 meter e pH and
8. key to confirm the calibration The upper below from the measured display flashes the calibration value momentarily before storing value the electrode and the calibration point in the meter The lower display then switch buffer icon blink and ERR to the next calibration buffer value annunciator appears next 14 to the secondary display See Figure 2 above Press CAL MEAS key to exit the ERR condition 15 If you are performing a three point calibration go to step 16 If you are performing a two point calibration then press the CAL MEAS key to return to the measurement mode and start taking pH readings 16 Rinse the probes with deionized water or rinse solution and Win fA nee eee ecepleg place them in the next pH buffer as indicated in the lower USA 1 68 1 00 display say pH 10 01 buffer 4 01 1 00 17 Wait for the measured pH value to stabilize when the READY 7 00 1 50 indicator displays in the left hand corner see Figure 4 10 01 1 00 1245 4100 18 Press the ENTER key to confirm the calibration The upper display flashes the calibration value and then stores the calibration point in the meter The meter automatically returns to 1 68 1 00 the pH measurement mode after a three point calibration is 4 01 1 00 performed since meter is defaulted to 3 point calibration To 6 86 1 25 perform four or five point calibration you need to select the 9 18 1 00 calibration points based on the procedure in page 19 be
9. program P1 0 Clr appears in the upper display and P1 0 in the lower display 2 Press the ENTER key to access the program and the lower display shows either nO or YES depending on last option selected or factory default i e nO Use A or v key to toggle between nO or YES 4 Press ENTER key to confirm selection and return to the SETUP mode To continue to the next SETUP press A or Y key to select a new program Otherwise press the CAL MEAS key to return to the measurement mode 17 Instruction Manual pH 510 lon 510 5 2 P2 0 Viewing Electrode Diagnosis This program lets you check the electrode parameters for diagnostic purposes Depending on the last display mode displayed electrode information varies Only these readings can be viewed Last Display Mode Electrode Property Offset Slope pH in mV lon in mV mV in mV 1 Enter the SETUP mode as described above The meter automatically goes to program 1 0 2 Press A or Y key to scroll through the programs until you view ELE in the upper display and P2 0 in the lower display The electrode annunciator also appears 3 Press ENTER key to access the program P2 0 The lower display will read P2 1 The information you will see in Program P2 0 will depend upon which MODE the meter was in prior to shutting the meter off In the pH measurement MODE P2 1 shows the mV offset of the electrode Press ENTER key to go
10. temperature or the last manually set value if the meter has previously set for MTC If you have not set the current temperature setting the upper display will also show the default value of 25 0 C 4 Check the temperature of your sample using an accurate thermometer 5 Press A or Y key to offset the temperature to the measured value from step 4 6 Press ENTER key to confirm the selected temperature and return to the pH measurement mode NOTE To exit this program without confirming the MTC value DO NOT press ENTER key in step 6 Press CAL MEAS key instead The meter will compensate pH reading for the manually set temperature 13 Instruction Manual pH 510 lon 510 4 3 Taking Measurements Be sure to remove any electrode soaker bottle or protective rubber cap from the electrode before measurement To take readings 1 Rinse the electrode with distilled or tap water before use to remove any impurities adhering to the electrode body If the pH electrode had dehydrated soak it for 30 minutes in EC RE005 00653 04 electrode storage solution See Electrode Care Section 6 Press ON key to switch on meter The MEAS annunciator appears on the top center of LCD The ATC annunciator appears in the lower right hand corner to indicate ATC if a temperature probe is plugged For MTC refer to Section 4 2 Dip the electrode and temperature probe into the sample making sure that the glass bulb of the electrode must be
11. use NOTE Move the base of the electrode holder if you wish to swing the electrode holder about To prevent the meter from toppling over causing accidental spills DO NOT swing the body of the electrode holder Instruction Manual pH 510 lon 510 2 6 Steps Prior to Calibration 2 6 1 Switching ON and OFF the meter Press ON key to switch meter on All the LCD segments will display momentarily for a few seconds and the LCD then switches to the last measurement mode To switch meter off press OFF key 2 6 2 Selecting Measurement Mode The measurement modes available for the pH 510 meter are pH mV for ORP and Temperature while the lon 510 meter has lon pH mV and Temperature measurement modes Select the correct mode of operation by pressing the MODE key and each press takes you to next measurement mode When selecting a particular parameter the respective mode annunciator displays at the right hand side of primary display these include pH for pH C for Temperature ppm for lon Concentration and mV for Millivolt 2 6 3 Meter Reset On first use it is not necessary to reset meter before calibration as it has been factory calibrated However if you wish to reset the meter to factory default refer to Section 5 4 NOTE Re calibration of meter is required before measurement after the meter is reset Likewise if you wish to prepare a new set of measurements you may reset all the last calibrated pH values simultaneo
12. with electrode holder 18 x 23 x 6 cm Dimensions Weight 1250 g Boxed meter with electrode holder 40 x 26 x 9 cm 1950 g 29 Instruction Manual pH 510 lon 510 9 WARRANTY This bench meter is supplied with a 3 year warranty from manufacturing defects and electrodes for 6 months from the date of purchase If repair or adjustment is necessary and has not been the result of abuse or misuse within the designated period please return freight pre paid and correction will be made without charge Eutech Instruments Pte Ltd Oakton Instruments will determine if the product problem is due to deviations or customer misuse Out of warranty products will be repaired on a charged basis Exclusions The warranty on your instrument shall not apply to defects resulting from e Improper or inadequate maintenance by customer e Unauthorized modification or misuse e Operation outside of the environment specifications of the products 10 RETURN OF ITEMS Authorization must be obtained from our Customer Service Department or authorized distributor before returning items for any reason A Return Goods Authorization RGA form is available through our Authorized Distributor Please include data regarding the reason the items are to be returned For your protection items must be carefully packed to prevent damage in shipment and insured against possible damage or loss Eutech Instruments Oakton Instruments will not be respons
13. Instruction Manual pH lon 510 Bench pH lon mV Meter OAKION INSTRUMENTS TN CE 180 9001 PREFACE Thank you for choosing the pH 510 pH mV Temperature or lon 510 lon pH mV Temperature bench meter The instruction manual functions in two ways firstly as a step by step guide to help you operate the 510 series meter Secondly it serves as a handy reference guide The instruction manual is written to cover as many anticipated applications of the pH lon 510 Bench meter series as possible If there are doubts in the use of the instrument do not hesitate to contact the nearest Authorized Distributor Eutech Instruments Oakton Instruments cannot accept any responsibility for damage or malfunction to the meter caused by improper use of the instrument The information presented in this manual is subject to change without notice as improvements are made and does not represent a commitment on the part of Eutech Instruments Pte Ltd Oakton Instruments Note Eutech Instruments Pte Ltd Oakton Instruments reserves the right to make improvements in design construction and appearance of our products without notice Copyright 2002 All rights reserved Eutech Instruments Pte Ltd Oakton Instruments Rev 8 DEC 06 1 INTRODUCTION oi ii da iia 1 1 1 Introducing the 510 Bench Seri8S oooocncccinccconccononcnonccnnoncnnnncnnoncnnnn cnn nc cnn cnn KA KKK nera RAP n rra 1 1 2 Custom LO Di int A A da 1 1 3 A o ale 2 1 4 Rear Instrument P
14. Temperature e mV or Relative mV and temperature e ion and mV For example you can store 32 pH and 18 mV values for the pH 510 or 15 ion 12 mV and 23 pH values for the lon 510 Memory Input This feature allows you to store measurement readings into memory for later review This mode can be invoked at any time during measurement mode or when the reading is frozen HOLD annunciator is displayed on LCD by the activation of HOLD key To store reading 1 During any measurement or HOLD function press the MI key once to input data into the memory 2 MEM annunciator StO and memory number will flash momentarily The meter then returns to the measurement mode 3 To continue storing data press MI key again NOTE If the memory is full the first value stored will be erased to create space for the new value 15 Instruction Manual pH 510 lon 510 Memory Recall 1 In the measurement mode press MR key once to retrieve the last reading stored The memory location screen MEM LOC and the memory number will flash on the display 2 Press the ENTER key to recall the reading stored under that memory number 3 If necessary you can selectively choose to view any data that is stored by using A or v key For example to view the third data location set to LOC 3 from last stored location of LOC 5 Use A or v key to set to LOC 3 Press ENTER key to retrieve the data from this location 4 Tocontinue
15. anel eiii a ii as 3 2 STARTING UP lt a iio 4 2 1 Connecting the Sensor Electrode ooooconcconnccconcconcccconononnnnnnnononnnnnnnn nc nnnnnnnn nc nn nana nc nn RKO RKK P nc anna rana nnne nenes 4 2 2 Connecting the Temperature Probe oooconccconiccconcconoccconononnnnnnnononnn ccoo ccoo cnn nn cnn cnn nn cnn cnn nn cnn cana re P nA ent 4 2 3 Connectingithe A C Adapte ianeirensis eerie 4 2 4 Connecting the Chart Recorder ico a ea sated pako K SERA 4 2 5 Connecting the Electrode Holder Optional c eecceeeeeeeeeeeeneeeeeeceaeeeeeeeseaeeeeaeeseaeeseaeeseaeeseeeseeeeeeeene 5 2 6 Steps Prior to Galibratio nosier en e e E AA ada 6 3 CALIBRA TIO Nica S ERS AVE EE E oV E 6 3 1 DH Calibration O T 6 3 2 lon Concentration Calibration For lon 510 only ocooncccininicncnnnnccnncccnonnnancnonrnc nano c ronca carr 9 3 3 mV Galibration soii a hicks E O Didi Rte eM E A a 11 3 4 Temperature Calibration T o li ee 12 4 MEASUREMEN Tc ici Ad 13 4 1 Automatic Temperature Compensation ATC oococoncccnnnccnonccnnnccnonnnnnnnnnannnnnncn cnc n eee en nene nn 13 4 2 Manual Temperature Compensation MTC ccceeecceseeeeeeeeeseeeeeeeeeceaeeeeaeeseaeeeeaeeseaeeseaeeseaeeeneeeseaeeenatees 13 4 3 Taking Measurements ici aa a aed i eee 14 4 4 HOLD FUNGUO at anata diate nt ld ate Andel el eee 15 4 5 Storing and Recalling Data from Memory cceecceeseeeseeeeseeeeeeeeceaeeeeeeesaeeseaeeseaeeseaeeseaeeseaeeseeeseaeenaeess 15
16. asured so that the sample temperature can be recorded and pH readings automatically temperature compensated If manual temperature compensation is preferred do not plug a temperature probe into the meter DO NOT REUSE SOLUTIONS AFTER CALIBRATION Contaminants in the solution can affect the calibration and eventually the accuracy of the measurements Instruction Manual pH 510 lon 510 One point calibration Offset calibration should only be carried out with pH 7 00 or pH 6 86 otherwise calibration will not be accepted For Slope to Slope calibration two points calibration the first calibration point will only be successfully registered in the meter after the second point calibration has been completed It is recommended that you perform at least a 2 point calibration using buffers that bracket one above and one below the expected sample range starting with pH 7 buffer first Select a pH 1 68 4 7 10 or 12 45 buffer in sachets or bottles from standard buffer solutions All new calibrations will replace the existing stored calibration data Press ON OFF key All the LCD segments will be displayed momentarily The LCD switches to pH measurement mode If necessary press MODE key to select pH mode NOTE The meter starts in the same measurement mode that it was switched off The customized LCD display will indicate the following Display Remarks MEAS Measurement mode is selected pH Unit of measurement c Measured temperatu
17. bration The table also illustrates why a calibration value may be different from the buffer value at 25 C Temperature USA Buffer NIST Buffer ee oO O mo ET NOH R R C R R C R C KC a em ee or ee 18 em es em m0 Os m soe eor om ne 170 so oss soe na ae in er os no 17 so ss oo nm C e 7 ao eor oe nse 172 so ess so 15 C o ato ee oo 1e 979 ao es so TE ss a ew on 15 18 e e ss 187 Ee are a IZ ase oes ome E ae ew os as 175 eu ss er 1 ae Tee on 1e 7 aie oon se o 00 ia r on 1e 180 s se se 1 26 Instruction Manual pH 510 lon 510 8 4 List of Accessories 8 4 1 Replacement Meter and Accessories Item Description Eutech Instruments Oakton Instruments Order Code No Order Code No pH 510 Bench meter complete with temperature probe and EC PH510 01S 35619 10 integral electrode holder lon 510 Bench meter complete with temperature probe and EC ION510 01S 35619 20 integral electrode holder Temperature Probe for pH lon 510 bench meter 1m cable length EC PH5 TEMBO1P 35613 05 110 120VAC power adapter 50 60 Hz EC 120 ADA 35615 07 220 230VAC power adapter 50 60 Hz EC 220 ADA 35615 08 8 4 2 pH Buffers Sachets Reference Electrolyte amp Others To order some accessories send the part name and number to our authorized distributor Item Description Eutech Instrume
18. d affect the calibration and accuracy of measurements Always store standard solutions in a dry cool environment if possible Before use remove plastic protective cap of ISE Briefly rinse the electrode with clean deionized water to remove any residues Rinse probes before and after each calibration or sample measurement to avoid cross contamination For more details please refer to Manufacturer s care and maintenance guide NOTE The ion calibration values will be lost once power is disconnected only pH and mV calibration values will be retained 1 Connect an lon Selective Electrode ISE to the BNC input connector on the back of the meter Turn the meter ON 2 Press MODE key if needed to select ion measurement mode If there is no old calibration values then the meter displays in the upper display in measurement mode 3 Dip the ISE into the first calibration standard Make sure to start with the calibration standard that has the lowest concentration and move up to the standards that have higher concentrations Swirl it gently Press CAL key to enter the ion calibration mode The CAL indicator appears above the upper display and the upper display reads 0 10 The lower display shows the corresponding absolute mV value of sample measured 4 The first calibration point of 0 10 ppm appears on the display If you DO NOT wish to calibrate to this point press MI up arrow key to skip and continue to the next calibrat
19. e using calibration points 1 decade apart Release key Select valid buttons depending on mode Use fresh buffer solution or check electrode connection Possibly replace electrodes Make sure electrode is connected Clean or replace electrode Recalibrate the meter Treat samples to bring within meter measuring range Instruction Manual pH 510 lon 510 7 2 Troubleshooting PROBLEM PROBABLE CAUSE REMEDIAL ACTION No display a Mains power not switched on a Switch on the power supply b AC Adapter socket not inserted properly b Re insert AC Adapter socket Unstable reading a Insufficient reference electrolyte in a Fill electrode with reference electrolyte ee b Broken electrode b Replace electrode c External noises or induction e g c Remove or switch off interfering device electrical noise caused by a nearby motor a Dirty electrode d Clean the electrode Hydrate then rejuvenate if necessary Slow response a Dirty electrode a Clean electrode Hydrate then rejuvenate if necessary Meter not a HOLD mode in operation a Cancel HOLD mode Press Hold button responding to ke Sa y b Internal program error b Reset all internal programs by removing and reinserting the A C adapter 25 Instruction Manual pH 510 lon 510 8 ADDITIONAL INFORMATION 8 1 pH and Temperature Automatic Temperature Compensation ATC compensates for temperature changes Some so
20. emory values and selects temperature values and ion options in calibration mode Scrolls to next program in the SETUP mode MR recalls measurements from memory and Y scrolls values in mV calibration mode scrolls through memory values and selects temperature values and ion options in calibration Scrolls to next program in the SETUP mode Freezes a measurement on the display Press again to get current readings Enter functions in the memory mode Confirms and enters the value selected for calibration You can also configure functions like Meter Reset Memory Clear and Selection of pH Buffer Standard via the keypad Please refer to Section 5 for more information on the above functions Instruction Manual pH 510 lon 510 1 4 Rear Instrument Panel This 510 series meter provides a complete set of connectors for the various accessories commonly used Listed in the table are the details of the connections that you can make Rear View of Meter Connection Function For phono jack connection from the temperature probe for Automatic Temperature compensation The probe should be a 30KQ thermistor type For connection to sensor electrodes with BNC type connectors The meter accepts any pH ORP or ISE with BNC connector Always ensure that the connector is clean and dry For connection to pin type reference electrode normally used with half cell mono type pH electrodes or ISEs For connection to strip chart recorders Use submin
21. fore 12 45 1 00 repeating the calibration procedure as the above Instruction Manual pH 510 lon 510 3 2 lon Concentration Calibration For lon 510 only The lon 510 meter is capable of up to 3 point ion calibration minimum 2 point using 5 ion calibration options namely 0 10 1 0 10 0 100 0 or 1000 ppm to ensure accuracy across the entire measurement range All calibration should be at least one decade apart from each other Note that the ion measurement mode accepts input of only 500 mV For example you may perform 3 point calibration to 0 10 1 0 and 10 0 or 2 point calibration to 10 0 and 100 0 If 1 point calibration is performed an error message Er2 is displayed If any of calibration points are not within 1 decade an error message Er4 will be displayed at the end of calibration process Calibration values are successfully stored if the ISE slope is within the specified tolerance of 15mV decade minimum and 90mV decade maximum otherwise an error message Er3 is displayed see Figure 7 The calibration values are not stored into the meter s built in memory if any error message appears after each calibration process Re calibration is necessary as calibration is unsuccessfully attempted in this instance Check that your ISE and standard solutions are in good working conditions Ensure that you use new or fresh standard solutions during calibration Do not reuse ion standard solution as it may be contaminated an
22. h and BNC connector lon lon Lead P Gednium 047 Calcium Ca Copper O1 28 Instruction Manual pH 510 lon 510 8 5 Specifications Description PAST lonst0 Accuracy 0 01 pH 1 count Y Y lon Concentration Range 0 01 to 1999 ppm 500mV input 0 01 pm 0 01 to 0 99 ppm 0 1 ppm 1 0 v Acc tae 0 5 Full Scale for mono valent ions 2 y 1 0 Full Scale for di valent ions Y Y mV Range Yes 500mV Absolute 1999 mV 1999mV Relative 0 1 mV 199 9 mV 1 mV beyond 200 mV v Calibration Offset Y a y ds E j p Temperature Range 0 0 to 100 0 C Pov Y Y Resolution 0 1 C ee 0000 6 Temperature Compensation Automatic Manual 0 to 100 C No of pH Calibration Points Up to 5 points with Auto buffer recognition USA pH1 68 4 01 7 00 10 01 12 45 NIST pH1 68 4 01 6 86 9 18 12 45 No of lon Calibration Points Up to 3 points minimum 2 points lon Calibration Options 0 1 1 0 10 0 100 0 or 1000 0 ppm Min amp Max Slope during 15 mV decade to 90 mV decade Calibration Temperature Calibration Offset in 0 1 C increments Offset range 5 C Memory 100 data sets Hold Function Self diagnostic Messages pH Slope and Offset Display AC DC 9V Adapter 110 VAC 220 VAC 50 60Hz Custom Dual LCD 1 x 4 digits 1 x 3 5 digits annunicators x lt KISIS pH Buffer Calibration Options Power Requirements Display Meter
23. he relative mV reading The lower display shows the absolute mV value NOTE If you have never calibrated relative mV or if the meter has been reset the value shown in the upper display is the same as the absolute mV value The range of adjustment is 1999 mV to 1999 mv mV resolution is 1 mV of which from 199 9 to 199 9 mV the meter gives you a resolution of 0 1 mV 3 Press A or Y key to enter the relative mV value that matches your IDC LI I desired reading IL 4 Press the ENTER key to confirm the reading and the meter automatically returns to the measurement mode The upper display now shows the relative mV reading The R mV indicator appears in the upper right hand corner NOTE New mV calibrations will override existing stored mV calibration data The meter retains stored mV calibrations even when the meter is turned off 11 Instruction Manual pH 510 lon 510 3 4 Temperature Calibration In this calibration procedure the ATC probe is attached to the meter and the ATC annunciator is displayed on the right hand side of the LCD 1 Dip the temperature probe into a solution of known temperature such as a temperature bath for a few minutes until the temperature 41 m pH probe stabilizes LL 2 To perform temperature calibration you must be in the pH A FAA pH measurement mode a IL 3 Press MODE key to switch to the pH measurement mode if you are in the mV or ion measurement modes a y
24. iature plug with positive tip For connection to the ground earth jack standard tip connectors For connection for the AC DC power adapter Instruction Manual pH 510 lon 510 2 STARTING UP Connect the accessory connectors at the rear of the instrument panel During operation it is important that water does not get onto the BNC connector Also avoid touching the connector with soiled or wet hands 2 1 Connecting the Sensor Electrode Slide the electrode connector of the electrode over the socket of the meter s BNC connector marked INPUT The meter can accept any standard pH ORP or lon Selective Electrode with a BNC connector Align the slot of the electrode connector with the posts of the socket Rotate the connector clockwise until it locks For separate reference electrodes push the electrode pin into jack marked REF 2 2 Connecting the Temperature Probe Insert the temperature probe provided into the connector marked ATC 2 3 Connecting the A C Adapter Slide in the adapter jack of the A C adapter into the back panel marked DC until it is firmly seated Ensure that the power is switched off before installation and the correct voltage adapter is used 2 4 Connecting the Chart Recorder You can connect chart recorders or external output devices for continuous printout Plug in the input connector and ground pin of the chart recorder into the ports marked REC and GND respectively
25. ible for damage resulting from careless or insufficient packing A restocking charge will be made on all unauthorized returns NOTE Eutech Instruments Pte Ltd Oakton Instruments reserves the right to make improvements in design construction and appearance of products without notice 30 For more information on Eutech Instruments Oakton Instruments products contact your nearest distributor or visit our website listed below Oakton Instruments Eutech Instruments Pte Ltd Distributed by P O Box 5136 Blk 55 Ayer Rajah Crescent Vernon Hills IL 60061 USA 04 16 24 Singapore 139949 Tel 1 888 462 5866 Tel 65 6778 6876 Fax 1 847 247 2984 Fax 65 6773 0836 E mail info 4oakton com E mail marketing eutechinst com Web sites www 4oakton com Web site www eutechinstcom
26. ints 7 Press ENTER to confirm your selection 8 To exit P3 0 program press A or v key to select a new program OR press the CAL MEAS to return to the measurement mode 19 Instruction Manual pH 510 lon 510 5 4 P4 0 Meter Reset This program gives you the option to either reset the calibration data s of all parameters or reset everything back to factory default condition except for temperature calibrated value and buffer set selection NIST or USA 1 Enter the SETUP mode as described in this section earlier on The meter automatically goes to program P1 0 2 Press A or Y key to scroll through the programs until you view rSt in the upper display and P4 0 in the lower display 3 Press the ENTER key to access the program P4 0 The lower display will read NO 4 Press A or V key to select NO or YES e NO deactivates the reset function e YES Activates the reset option mode Press ENTER to confirm your selection For reset option mode press A or Y key to select CAL or FOP e CAL clears all calibration datas in all parameters e FCt clears everything back to factory default condition except for temperature and buffer set selection NIST or USA 7 Press ENTER to confirm your reset option The lower display will flash for a few seconds before the meter returns to program P4 0 20 Instruction Manual pH 510 lon 510 6 pH ELECTRODE MAINTENANCE pH electrodes are susceptible to dirt
27. ion point of 1 0 ppm or 10 0 ppm 5 If you DO wish to calibrate to 0 10 ppm allow the mV reading to stabilize When the reading stabilizes the READY indicator will appear on the display Stabilization may take a few minutes depending on electrode and standard concentration 6 Press ENTER key to confirm your first point calibration see Figure 5 After calibration the display will show the next calibration option i e 1 0 ppm Proceed by rinsing the electrode with deionized water before placing it in the next calibration standard i e 1 0 ppm 7 Allow the meter to stabilize in the next calibration standard Wait for the READY indicator to appear before you press the ENTER key to confirm the second calibration point The upper display flashes momentarily then moves to the next calibration point of 10 0 ppm NOTE lf you are performing a 2 point ion calibration press CAL MEAS key SLO appears in the upper display with the mV indicator and the number in the lower display is the electrode slope in mV see Figure 6 You are ready to take ion measurements If the slope is outside the acceptable limits or if incorrect standards have been used the upper display will show Er3 see Figure 7 Figure 5 Ist point calibration Instruction Manual If you are performing a 3 point calibration rinse off the electrode with deionized water place it in the next calibration standard and proceed as follows Allow meter to stabil
28. ize in the next calibration standard Wait for the READY indicator to appear before you press the ENTER key to confirm the third calibration point The upper display flashes for a few seconds then SLO appears in the upper display with the mV indicator the number in the lower display is the average electrode slope in mV see Figure 6 After a few seconds the meter reverts to the measurement mode You are now ready to take ion measurement NOTE All the calibration values are successfully stored Otherwise error message will appear in the LCD if the calibration was unsuccessful with no values stored into memory NOTE You may compare the average electrode slope value with the expected slope value for your electrode from your electrode manual to verify electrode operation 10 pH 510 lon 510 HINT Minimum of 2 points and maximum of 3 points are allowed for lon Calibration All calibration points should be at least one decade apart i e valid calibration points are 0 1 1 10 ppm or 1 10 100 ppm or 0 1 1 ppm or 1 10 ppm or 10 100 1000 ppm Figure 7 Error message Er3 if slope not within range Instruction Manual pH 510 lon 510 3 3 mV Calibration 1 Make sure the meter is on and if necessary press the MODE key to select mV mode The mV indicator appears in the upper right hand corner of the display 2 Press the CAL MEAS key The CAL indicator appears above the upper display that displays t
29. lectrode has completed its useful life Replace with a new electrode 3 Instruction Manual pH 510 lon 510 7 TROUBLESHOOTING GUIDE 7 1 Error Messages The table provides a quick guideline for diagnosis of possible problems indicated by the messages generated by the 510 meter series The table also provides possible solutions to problems encountered Diagrams inserted below Display Screen ERROR MESSAGE Err 2 in upper display during lon calibration Err 3 in upper display during lon calibration Err 4 in upper display during lon calibration Err annunciator Electrode icon indicator Ur or Or in upper display INDICATES Too few calibration points Slope error Calibration points more than 1 decade apart Wrong keypad input Calibration error Measured value is out of range 24 Meter calibrated with only 1 point in ion calibration lon calibration solution not within acceptable range 15mV to 90mV decade Calibration points more than 1 decade apart Button does not work in the current operation mode Buffer value does not match value displayed or electrode is disconnected or failing Electrode not connected Electrode clogged dirty or broken Meter not calibrated Measurement is under range or over range CORRECTIVE ACTION Recalibrate using 2 or more points Recalibrate using fresh ion solutions Replace electrode Recalibrat
30. lutions show an increase while others a decrease in pH with the same temperature change Record the solution temperature along with the pH value or the measurement may be meaningless Temperature changes also affect the signal the pH electrode sends to the meter and causes a loss of accuracy for the reading To limit the loss of accuracy during calibration make the temperature of the pH buffer calibrating solutions and the sample solution the same 8 2 Use of Standard pH Buffers Use standard buffer solutions to calibrate a pH meter before you measure the pH of a sample They serve as reference standards for basis of comparison between measurements The most common USA standard buffers are the pH 1 68 pH 4 01 pH 7 00 pH 10 01 and pH 12 45 and the NIST standard buffers are pH 1 68 4 01 pH 6 86 pH 9 18 and pH 12 45 For 1 point calibration use a standard buffer of pH 7 00 or a standard buffer whose pH value is close to that of the sample Use 2 point calibration when you know the sample is acidic low pH or basic high pH For acidic samples use standard buffers of pH 7 00 and pH 4 01 For basic samples use standards of pH 7 00 and pH 10 01 Use a 5 point calibration when the sample pH is completely unknown Use all pH 1 68 pH 7 00 pH 4 01 pH 10 1 and pH 12 45 calibration solutions using a low sodium error electrode 8 3 Standard pH Buffers The following table shows the various pH values at different temperature of the solution during cali
31. new ASIC Application Specific Integrated Circuit lt is designed with convenience in mind and offers many advanced user friendly features The meters are capable of storing and recalling up to 100 data sets in its non volatile memory In addition as a space saver an optional swivel electrode holder can be attached at the either side of bench meter for resting the electrodes and probes during operation The pH 510 meter is capable of measuring pH ORP with Temperature while the lon 510 meter measures lon Concentration pH ORP with temperature It is equipped with a large customized LCD Liquid Crystal Display with simultaneous display of the measured values for easy reading It is most ideal for routine pH lon Concentration measurement in indoor applications 1 2 Custom LCD The 510 meter is characterized by a large custom dual LCD The display has mode annunciators for pH mV ppm and temperature readings The secondary lower display shows the temperature reading simultaneously with the primary upper display that shows the measured values of pH ppm or mV Special annunciators such as units of measure error message graphical icons and modes of operation are arranged around both primary and secondary display to give you a comprehensive yet uncluttered display SETUP The meter MEAS The instrument is in CAL The instrument is in MEM Data is stored is in SETUP mode the measurement mode the calibration mode into memory READY The measu
32. nts Oakton Instruments Order Code No Order Code No pH 4 01 Buffer Solution 480 ml bottle 1 pint pH 7 00 Buffer Solution 480 ml bottle 1 pint pH 10 01 Buffer Solution 480 ml bottle 1 pint Reference Electrolyte KCI with Ag AgCI 480 ml bottle 1 pint 05992 47 125 ml Reference Electrolyte 4MKCI for Calomel Hg Hg2Cl2 05992 48 125 ml electrodes amp other specialty electrodes 1 pint Protein Cleaning Solution 480 ml bottle 1 pint EC DPC BT 8 4 3 Replacement Electrodes for pH ION 510 meters All electrodes are supplied with 1m cable length and BNC connector Item Description Eutech Instruments Oakton Instruments Order Code No Order Code No General purpose Epoxy body double junction pH Combination EC FC72522 01B 35805 05 Electrode 12 X 110 mm 1m cable length General purpose Epoxy body 3 in 1 pH Temp Combination EC FC73529 01B 35811 71 Electrode 12 X 110 mm 1m cable length Glass body Refillable pH Combination Electrode Annular EC FG73504 01B 05997 10 ceramic reference junction with protective sensor guard 1 m cable length General Purpose Epoxy body double junction ORP Electrode EC FC79602 01B 35805 15 12 X 110 mm 1m cable length DT Instruction Manual pH 510 lon 510 8 4 4 lon Selective Electrodes ISE Ask our distributors for more details regarding ISE and its standard solutions The table below lists the range of electrodes available All ISE are supplied with 1m cable lengt
33. re reading ATC Automatic Temperature Compensation If temperature probe or All in One probe is connected Rinse the pH electrode well with deionized water or rinse solution If using the ATC function with a separate temperature probe thoroughly rinse the temperature probe as well Do not wipe the electrode or the temperature probe as this may cause a build up of electrostatic charge and will create calibration and measurement instability One Point Calibration 4 Select the first pH buffer pH 7 00 or pH 6 86 and pour some into a clean container Dip both probes into the standard calibration buffer The end of the probe must be completely immersed into the buffer Stir the probes gently to create a homogenous solution Press CAL MEAS key to enter the pH calibration mode The annunciator CAL appears on top of the LCD to indicate the meter is in pH calibration mode The upper display will show the measured reading while the lower display indicates appropriate pH standard buffer solution being used NOTE The meter automatically recognizes the buffers in the buffer standard you have set in the SETUP mode i e either USA pH1 68 4 01 7 00 10 01 or 12 45 or NIST pH1 68 4 01 6 86 9 18 or 12 45 buffers Figure 1 Ist point calibration Instruction Manual pH 510 lon 510 7 Wait for the measured pH value to stabilize when the READY indicator displays in the left hand corner NOTE If the upper mea
34. red value has stabilized SETUP MEAS CAL MEM ae le E ANN Shows the 5 respective mode HOLD The displayed EADY of operation value has been frozen HOLD u u u ATC Automatic emperature Compensation activated If ATC is not displayed temperature probe is not connected In this case the Manual ERR An error in operation has occured Temperature Buffer Prompts user t Compensation is to select buffer during PH Indicates buffer activated calibration or indicates values of respective buffer error when ELECTRODE indicates USA or NIST buffer flashing together with electrode error when it option set the ERR annunciator appears with ERR Instruction Manual pH 510 lon 510 1 3 Keypad A large splash proof membrane keypad with tactile feedback makes meter easy to use Names and symbols describe the function button controls Measurement Mode Calibration Setup Mode ON OFF Powers the meter ON OFF When the meter is switched on it automatically starts in the last mode of operation CAL MEAS Toggles between the measurement and calibration modes of the meter In SETUP mode pressing CAL MEAS key returns to the measurement mode Toggles between the different measurement Switches from pH to Temperature in pH modes available pH Temperature mV lon lon calibration mode mode only applies with the ION 510 MI inputs measurements into memory and A scrolls values in mV calibration mode scrolls through m
35. reviewing additional stored data press ENTER key again For this instance the next location LOC 2 will be displayed 5 To exit Memory Recall and operate meter press the MEAS key to return to the measurement mode NOTE Readings stored in memory are retained even of the unit is turned off To erase all readings stored in memory see Program P1 0 on the next page 16 Instruction Manual pH 510 lon 510 5 SETUP FUNCTIONS The advanced SETUP mode lets you customize your meter s preferences and defaults P1 0 Memory Clear Cir P2 0 Viewing electrode data ELE P3 0 Selecting buffer sets bUF P4 0 Reset to factory default settings rSt To enter the SETUP mode 1 Turn meter OFF 2 With meter off press and hold the MODE key and press and release the ON key The display will show the SETUP indicator If the display indicates you are in the measurement mode turn the meter off and try step 2 again until SETUP appears NOTE To exit the SETUP mode at anytime without confirming changes press CAL MEAS until the measurement mode appears You may have to press CAL MEAS key two times before the meter reverts to the measurement mode 5 1 P1 0 Clear Memory Use this program to clear all memory values when you need to store a new series of values This lets you avoid confusing the old values with the new ones NO is the default setting 1 Enter the SETUP mode as described above The meter automatically goes to
36. sured display is not within the buffer acceptable window refer to Hint below an error message and the electrode icon flash upon pressing the ENTER key Refer to Section 7 Troubleshooting Guide Check electrode condition and recalibrate Press CAL MEAS key to exit calibration and resume to the measurement mode 8 Press the ENTER key to confirm the calibration The upper display flashes the calibration value momentarily before storing the calibration point in the meter The lower display then toggles between the next calibration buffer values 9 If you are performing a one point calibration press CAL MEAS key to return to the measurement mode and start taking pH readings see Figure 1 NOTE To exit from pH calibration mode without confirming calibration DO NOT press ENTER key in step 9 Press the CAL MEAS key instead Two to Five Point Calibration 10 If you are performing a multi point calibration i e second point or more go to step 11 11 Rinse the probes with deionized water or rinse solution to avoid Figure 4 3rd point calibration cross contamination and place them in the next pH buffer say pH 4 01 buffer The lower display of the meter automatically switches to the pH buffer solution selected 12 Wait for the measured pH value to stabilize when the READY HINT If the selected indicator displays in the left hand corner see Figure 3 buffer value is not within the accepted window see 13 Press the ENTER
37. to P2 2 see Figure 8 P2 2 shows the slope in of the electrode In the mV measurement MODE P2 1 shows the mV offset of the electrode see Figure 9 In the lon measurement MODE P2 1 shows the average slope of the electrode see Figure 10 4 To exit P2 0 program press ENTER key until ELE is in the upper display and P2 0 is in the lower display Press A or v key to select a new program OR press CAL MEAS key to return to the measurement mode Figure 10 Average slope mV 18 Instruction Manual pH 510 lon 510 5 3 P3 0 Selecting pH Buffer Standard and No of Calibration Points The available standards are USA and NIST 1 Enter the SETUP mode as described in this section earlier The meter automatically goes to program P1 0 2 Press A or Y key to scroll through the programs until you view bUP in the upper display and P3 0 in the lower display The buffer annunciator also appears 3 Press ENTER key to access the program P3 0 The lower display will read either USA or nS depending on the previous setting you have made factory default is USA 4 Press A or v key to select the buffer set you require e USA 1 68 4 01 7 00 10 01 12 45 e NIST 1 68 4 01 6 86 9 18 12 45 5 To confirm the buffer standard press ENTER You will now enter the selection mode for calibration points 6 Press A or Y key to select the calibration points that you desire You can now select from 2 to 5 calibration po
38. usly for added convenience Caution All calibration values and memory data will be erased upon activation Re calibration is required 2 6 4 Selecting pH Buffer Standard The meter is capable of calibrating based on either USA or NIST pH buffer standards Please refer to Section 5 3 P3 0 for details on how to change the USA buffer standard to the NIST standard on the meter itself Refer to Section 8 3 for more details on pH buffer standards available NOTE Remove protective rubber cap or storage bottle if any from the electrode before proceeding with measurement or calibration Take care not to exert too much force as this may cause damage to the electrode Whenever the electrode is not in use put it into storage bottle or protect the electrode with the rubber cap provided Refer to the Section 6 on Probe Maintenance for more details 3 CALIBRATION 3 1 pH Calibration The 510 series bench meter is capable of multi point calibration up to 5 points for high accuracy across the measurement range The 5 point calibration offers flexibility of calibrating using either USA or NIST buffer standards with their 5 internationally accepted calibration points namely USA standard buffer options pH1 68 4 01 7 00 10 01 12 45 NIST standard buffer options pH1 68 4 01 6 86 9 18 12 45 For ATC measurements attach the temperature probe to the meter The ATC mode annunciator shows on the display Insert the probe into the solution to be me
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