Fisher Scientific accumet AB 30 User Manual
Contents
1. which are warranted for six months Unless otherwise agreed the warranty is limited to the country in which the product is sold No Fisher employee agent or representative has the authority to bind Fisher to any oral representation or warranty concerning any product sold Any oral representation or warranty made prior to purchase of any product and not set forth in writing and signed by a duly authorized officer of Fisher shall not be enforceable by the purchaser FISHER EXPRESSLY DISCLAIMS ALL OTHER WARRANTIES EXPRESS OR IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Fishers sole responsibility and the purchaser s exclusive remedy for any claim arising out of the purchase or any product listed above is repair replacement or credit as described above where applicable In no event 1 shall the cost of the exclusive remedy exceed the purchase price 2 shall Fisher be liable for any special indirect incidental consequential or exemplary damages howsoever arising even if Fisher has been advised of the possibility of such damages Each article that Fisher furnishes will conform to the written specifications given in this manual or those of a further improved model Changes are made often to the information in the manual and will be incorporated into future editions accumet 13 NOTICE OF COMPLIANCE Warning This meter generates uses and can radiate radio frequency energy not installed2. 13 637 671A 13 636 100 13 636 101 13 636 102 13 636 AB15M 13 620 19 To place an order call 1 800 766 7000 For technical Support call 1 800 943 2006 Electrochemical Questions call our Technical Specialists at 1 888 358 4706 MODEL NUMBER SERIAL NUMBER PURCHASE DATE 68X295901 Rev 2 0903
3. and used properly that is in strict accordance with the manufacturers instructions it may cause interference to radio communications It has been tested and found to comply with the limits for a Class A computing device pursuant to Subpart J of Part 15 of FCC Rules which are designed to provide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area may cause interference in which case the user at his own expense will be required to take whenever measures may be required to correct the interference This product is to be used only as described in the manual This product is for indoor use only and must be used in a well ventilated area Warning To meet or exceed FCC regulations and comply with CE requirements the Fisher Scientific supplied power supply must be used Use of a power supply that is not approved by Fisher Scientific may cause safety hazards and or cause unit to exceed EMC limits and or damage unit When using his meter with a computer or printer a shielded RS232 cable must be used to meet or exceed FCC regulations and comply with CE Mark requirements accumet accumet 14 REPLACEMENT PARTS 14 1 Replacement parts Description AccuFlex electrode support arm Electrode support bracket Power Supplies 115V US plug 230V UK plug 230V Europe plug Operator s Manual ATC probe Fisher Catalog Number 13 637 671
4. to On mode in setup See Program 16 Enable the Stable icon page 22 1 Qohm e pres sste taepect options e pres sstd standardize p 2 C n C i DEFAULT 7 3 TDS Measurement TDS readings will be in ppm unit TDS factor can be selected from the setup menu 0 40 to 1 0 Default 0 66 1 Immerse the electrode into the sample solution Stir moderately lt Make sure that the meter is in the Measure mode If you are using the 2 cell electrode and separate temperature probe is NOT available then meter takes 25 C as default temperature 2 When the meter senses that the reading has stabilized the stable icon will appear under the reading The reading may be recorded at this time e STABLE icon will only appear provided that it has been set to On mode in setup See Program 16 Enable the Stable icon page 22 Measure STABLE e presssetsepect options e pressstelstandardize Temperature Measurement the temperature probe is not connected then meter displays 25 0 C default icon on the secondary display If the temperature probe is connected then meter senses the actual temperature and displays with ATC icon lt 4 cell conductivity probe has built in temperature sensor ATC Temperature Calibration Access method Press stdby key while pressing the setup key Depends on which temperature probe is connected
5. 0 001 for 1 000 9 999 kohm 0 01 for 10 00 99 99 kohm 0 1 for 100 0 999 9 kohm 0 001 for 1 000 9 999 Mohm 0 01 for 10 00 99 9 Mohm Resolution accumet TDS Mode TDS 0 to 99999 ppm 0 001 for 0 000 9 999 0 01 for 10 00 99 99 0 1 for 100 0 999 9 1 for 1000 99999 Resolution Accuracy 0 596 of the reading Others Cell constants range 0 1 1 0 10 0 Temperature coefficients 0 096 1 596 2 096 5 296 TDS factor 0 40 1 00 adjustable in step of 0 01 Temperature mode 5 to 105 C 23 0 to 221 0 F 0 1 0 5 C Resolution Accuracy 2 amp 2 2 cell 2 pins conductivity 4 cell DIN Inputs conductivity ATC 230 V 50 Hz 115 60 Hz 12 V DC Power Supply centre negative 12 WARRANTY The Fisher Scientific Company Fisher warrants to the direct purchaser that the Accumet meters and Accumet AccuTupH AccuFet AccupHast and Microprobe electrodes will be free from defects in material or workmanship for a specified warranty period During that period Fisher will repair or replace the product or provide credit at its sole option upon prompt notification and compliance with its instructions For Accumet meter that specified period is 36 months from delivery date For electrodes that specified period is 12 months except for models 13 620 532 13 620 533 13 620 534 13 620 535 13 620 536 13 620 537 13 620 538 13 620 539
6. 4 CELL 2 CELL temperature probe user can adjust the temperature value using the triangle key Press std key to confirm the setting Window 5 C 9 F Standardize mc IC D e pres spo set value epres sstelstandardize 8 CONDUCTIVITY OPERATION 8 1 Replatinization Replatinization is the process of replacing the replacing the platinum on the surfaces of the 2 cell conductivity probes that may flake or wear off over time The platinum on the surface of the probe is used to increase the measuring surface area resulting in decreased population error Should the cell constant of your conductivity probe change by more than 50 from its typical value it may be necessary to Replatinise the probe Replatinization is a relatively quick procedure to perform typically taking no more than 5 minutes Although replatinization is not a long process the replatinization solution is costly If you are not certain that replatinization will improve the performance of your accumet conductivity probe please call the technical support hotline at 800 943 2006 or 412 490 6260 Immerse the probe into a suitable replatinizing solution From the Screen press setup and enter together to access the replatinization mode 5 00 minutes will appear on the main display MIN Press enter to initiate replatinization The timer will countdown from 5 00 minutes on the main display Upon completion the meter wil
7. accumet ase USER Manual f EielLae Cai TABLE CONTENTS 1 INTRODUCTION 1 2 UNPACKING THE METER 2 3 GETTING STARTED 3 3 1 Connectors 4 USING THE METER 5 4 1 Conductivity Probes 4 2 Display Keys 4 3 Screen Display 5 CONDUCTIVITY OPERATION 9 5 1 Using Setup Using setup from the measure screen Program 1 View the calculated cell constant Program 2 View the standardized value Program 3 Select the conductivity mode Program 4 Select resistivity mode Program 5 Select the TDS mode Program 6 Select the cell constant 1 00 Program 7 Select the cell constant 10 00 Program 8 Select the cell constant 0 10 Program 9 Select the temperature coefficient 2 0 gt O R CO ND AU A NM A OA A N Program 10 Select the temperature coefficient 5 2 Program 11 Select the temperature coefficient 0 0 Program 12 Select the temperature coefficient 1 5 Program 13 Select the TDS Factor 0 40 1 00 Program 14 Temperature unit selection Program 15 Temperature unit selection F Program 16 Enable the STABLE icon Program 17 Disable the STABLE icon 6 STANDARDIZATION 25 6 1 Using Setup 7 MEASUREMENT 28 7 1 Conductivity Measurement 7 2 Resistivity Measurement 7 3 TDS Measurement 7 4 Temperature Measurement 8 CONDUCTIVITY OPERATION 33 O1 O SN DM NN O d UNa 8 1 Replatin
8. ace the meter in the Measure mode accumet accumet Cell Constant us us TDS Ju Cell Cons ant I GOL Cell Cons ant IM Cell Cons ant E COEFF Program 1 View Cell Constant View the calculated cell constant stored in memory A series of dashes appears if there is no cell constant in memory Program 2 View standardized value View the standardized value A series of dashes appears if meter is not standardized Program 3 Conductivity Mode Selectthe conductivity mode from the setup options Program 4 Resistivity Mode Select the resistivity mode from the setup options Program 5 TDS Mode Select the T otal Dissolved Solid select mode from the setup options 6 Select Cell Constant 1 00 Select the nominal cell constant ELE from 1 00 10 00 or 0 10 UE Program 7 Select Cell Constant 10 00 Select the nominal cell constant from 1 00 10 00 or 0 10 Program 8 Select Cell Constant 0 10 Select the nominal cell constant from 1 00 10 00 or0 10 Program 9 Select Temperature clear Coefficient 2 0 Selectthe temperature coefficient from 2 096 5 296 0 0 or 1 5 Default is 20 SI COEFF COFF LS COEFF OFF Program 10 Select Temperature Coefficient 5 2 Select the temperature coefficient from 2 0 5 2 0 0 or 1 5 Defaultis 2 0 Program 11 Selec
9. d a large electrode surface area The influence of polarization can also be minimized by the use of a four cell electrode The four cell configuration consists of two cells an outer cell and an inner cell Voltage is applied to the sensors of the outer cell which in turn generates a voltage across the sensors of the inner cell The inner cell is connected to a high impedance circuit and unlike the outer cell generates no current Since no current is generated across the inner cell polarization cannot occur at the inner cell By measuring the voltage of the inner cell which is adjusted to match the reference voltage by increasing or decreasing the current through the inner cell one obtains a true picture of conductivity minus the influence of polarization Conductivity and Temperature Conductivity in aqueous solutions reflects the concentration mobility and charge of the ions in solution The conductivity of a solution will increase with increasing temperature as many phenomena influencing conductivity such as solution viscosity are affected by temperature The relationship between conductivity and temperature is predictable and usually expressed as relative change per degree centigrade This temperature coefficient 9o change per degree depends on the composition of the solution being measured However for most medium range salt concentrations in water 2 per degree works well Extremely pure water exhibits a temperature co
10. dized a series of dashes will appear 2 Press enter to accept the displayed last standardized value and return to measure screen or press setup again to go to the next page uS e pre ss Setsspect options e press STD Solution r 20 accumet 5 1 4 Program 3 Select the conductivity mode Press enter to accept this choice of measuring conductivity and return to the measure screen or press setup again to go to the next page uS 5 1 5 Program 4 Select resistivity mode Press enter to accept this choice of measuring resistivity and return to the measure screen or press setup again to go to the next page Qohm 5 1 6 Program 5 Select the TDS mode Press enter to accept this choice of measuring TDS and return to measure screen or press setup again to go to next page TDS accumet 5 1 7 Program 6 Select the cell constant 1 00 Press enter to accept this choice of nominal cell constant and return to measure screen or press setup again to go to next page Buia SD LJ Cell Constant 5 1 8 Program 7 Select the cell constant 10 00 Press enter to accept this choice of nominal cell constant and return to measure screen or press setup again to go to next page IB Cell Constant 5 1 9 Program 8 Select the cell constant 0 10 Press enter to accept this choice of nominal cell constant and return to measure screen or press setup again to go to next pa
11. ductivity TDS and resistivity And also in each mode there are separate calibration for 2 cell and 4 cell So altogether 6 independent calibration are available and each acts independently accumet 7 MEASUREMENT 7 1 Conductivity Measurement 1 Immerse the electrode into the sample solution Stir moderately ee Make sure that the meter is in the Measure mode If you are using the 2 cell electrode and separate temperature probe is NOT available then meter takes 25 C as default temperature 2 When the meter senses that the reading has stabilized the stable icon will appear under the reading The reading may be recorded at this time ee STABLE icon will only appear provided that it has been set to On mode in setup See Program 16 Enable the Stable icon page 22 accumet e press Sets ct options e press stel standardize 45 STD Solution iu 7 2 Resistivity Measurement Unit will be in ohm kohm Mohm 1 Immerse the electrode into the sample solution Stir moderately lt Make sure that the meter is in the Measure mode If you are using the 2 cell electrode and separate temperature probe is NOT available then meter takes 25 as default temperature 2 When the meter senses that the reading has stabilized the stable icon will appear under the reading The reading may be recorded at this time e STABLE icon will only appear provided that it has been set
12. e connector cable to the rear connector panel power jack and to a power source 4 USING THE METER 4 1 Conductivity Probes This meter allows you to use both 2 cell and 4 cell conductivity probes e DO NOT connect both probes together Remove the protective cover from the end of the probe Prior to use soak the probe in distilled or deionized water for 10 minutes 1 Install the 2 cell probe by plugging the pin connectors into the dual pin jacks on the back of the meter OR Install the 4 cell probe by plugging in its DIN connector into the DIN jack on the back of the meter Install the ATC probe by plugging the 1 8 mini phone jack into the ATC jack on the back of the meter er The Accumet 4 cell probe has built in ATC and a separate ATC probe is not required accumet 2 Rinse the conductivity probe sensing elements with distilled or deionized water between samples 3 For long term storage the probes can be stored dry or in distilled water Note that the cell constant may change slightly due to storage or use and it must be re evaluated with the use of standard conductivity solution standardization prior to use 4 2 Display Keys Overview of the meter screen display and function key layout Screen Display accumet AB 30 BASIC Conduclivey Meter Press std key to initiate standardization from measure mode Or press std key at the Standardize
13. efficient of 5 2 and concentrated salt solutions about 1 5 Since temperature effects the conductivity measurement so profoundly the usual practice is to reference the conductivity to some standard temperature This is typically 25 C therefore measurements are reported as if the sample were at 25 The accumet AB30 permits you to enter one of four temperature coefficients 0 00 1 5 2 0 or 5 296 and use an ATC probe to automatically temperature compensate back to a reference temperature of 25 C The meter requires no regular maintenance but it is recommended to occasionally wipe down the front with a damp cloth If there are any further questions regarding maintenance call the Fisher Lab Equipment Technical Support Hotline at 800 943 2006 412 490 6260 accumet accumet 10 CLEANING This meter requires no regular maintenance but it is recommended to occasionally wipe down the front with a damp cloth from time to time 11 METER SPECIFICATIONS Temp others display height 5 16 Keypad controls 5 keys membrane Conductivity Mode Range 0 0 to 500 0 mS 0 001 for 0 000 9 999 uS 0 01 for 10 00 99 99 uS 0 1 for 100 0 999 9 uS 0 001 for 1 000 9 999 mS 0 01 for 10 00 99 99 mS 0 1 for 100 0 500 0 mS Resolution Accuracy 0 596 of the Reading Resistivity Mode Resistivity Up to 100 Ohm 0 001 for 0 000 9 999 ohm 0 01 for 10 00 99 99 ohm 0 1 for 100 0 999 9 ohm
14. el electrode plates when an ac voltage is applied Conductivity values are related to the conductance and thus the resistance of a solution by the physical dimensions area and length or the cell constant of the measuring electrode If the dimensions of the electrodes are such that the area of the parallel plates is very large it is reasonable that more ions can reside between the plates and more current can be measured The physical distance between the plates is also critical as it affects the strength of the electric field between the plates If the plates are close and the electric field is strong ions will reach the plates more quickly than if the plates are far apart and the electric field is weak By using cells with defined plate areas and separation distances it is possible to standardize or specify conductance measurements Thus comes the term specific conductance or conductivity The relationship between conductance and specific conductivity is Specific Conductivity S C Conductance cell constant siemens cm cm2 siemens cm C is the Conductance siemens K is the cell constant length area or cm cm2 Since the basic unit of electrical resistance is the ohm and conductance is the reciprocal of resistance the basic unit of conductance was originally designated a mho ohm spelled accumet siemen Conductivity measurements are reported as Siemens cm since the value is measured between opposite fac
15. es of a cell of a known cubic configuration With most aqueous solutions conductivity quantities are most frequently measured in microSiemens per cm uS cm or milli Siemens per cm mS cm The accumet Basic AB30 meter automatically converts conductivity readings from micro or milli Siemens to other derived units that are widely used These are ppm TDS total dissolved solids and Resistivity ohm cm Some users prefer the use of Resistivity units to describe their water particularly where high purity water is involved The unit most often used to describe Resistivity is megohm cm which is simply the reciprocal of conductivity uS cm The chart below shows the relationship between these units accumet Conductivity Measurement Accumet conductivity probes consist of glass or epoxy bodies in which platinum or platinised sensing elements and are designated two cell electrode has two such sensing elements and are designated two cell electrodes The previous discussion has focused on this type of electrode Four cell electrodes are also available and the theory and application of these are in a separate section These sensors contact the solution whose conductivity value is sought The exact cell constant of the electrode must be determined prior to measuring the sample In essence this is accomplished by fixing the nominal cell constant of the electrode into the meter and recording the observed conductivity value associated wit
16. ess setup and the parameters that you can set will be different depending on how you accessed setup Determine which access route you need to utilize from the chart below Access Setup from the following screen To set the following parameter Select the type of measurement From the Measure Screen you wish to make conductivity resistivity or TDS and associated units View the calibrated cell constant From the Measure Screen View the last calibrated buffer From the Measure Screen value Select Cell constant From the Measure Screen Select Temperature coefficients From the Measure Screen Selecting the TDS factor From the Measure Screen Select Temperature units From the Measure Screen Clear the user calibration From the Measure Screen Conductivity standard solution From the Standardize Screen accumet 5 1 1 Using setup from the measure screen If you are currently viewing the Setup screen setup is in essence a scroll button which allows you to access view and change a variety of operating parameters While in setup you may Press std to exit from setup to measure screen without making change Press setup to scroll to the next parameter to view or change Press to set values within each setup option Press enter to accept the displayed parameter The meter will then return to the measurement mode OOO Press stdby to return to the stdby mode without making a change Pressing stdby again will stdby pl
17. etup pages meter displays the last selected choice and pressing setup key takes you to other options accumet 6 STANDARDIZATION 6 1 Using Setup Conductivity probes are generally identified as having a characteristic cell constant 0 1 1 0 or 10 0 which reflects their physical geometry and their range of application However these are typically nominal cell constants The actual cell may vary somewhat from the nominal values and therefore the actual cell constant must be calculated using a solution with a known conductivity value The standardization process of the AB30 meter permits you to obtain the exact cell constant of your electrode Standardize the electrode daily for best results Prior to standardizing use the setup menu from Measure screen to set the desired units nominal cell constant which best matches the electrode you are using temperature coefficient desired and the temperature units Conductivity standardization Press std to enter to standardize screen The STD Solution icon will appear along with the measured value in both lower and upper display with appropriate unit uS mS If you wish to calibrate with different standard solution press setup to go to the screen in which user can adjust the desired solution value in the upper display Upper display shows with first digit blinking and with appropriate decimal point Note that the unit of value you are going to set for standardization is same as
18. ge Cell Constant accumet accumet 5 1 10 Program 9 Select the temperature coefficient 2 0 Press enter to accept this choice of temperature coefficient return to measure screen or press setup again to go to next page ED 1 11 C u COEF 5 1 11 icd 10 Select the temperature coefficient 2 Press enter to accept this choice of temperature coefficient and return to measure screen or press setup again to go to next page 2 l 5 1 12 Program 11 Select the temperature coefficient 0 0 Press enter to accept this choice of temperature coefficient and return to measure screen or press setup again to go to next page accumet accumet 5 1 13 Program 12 Select the temperature coefficient 1 5 Press enter to accept this choice of temperature coefficient return to measure screen or press setup again to go to next page COEFF accumet 5 1 14 Program 13 Select the TDS Factor 0 40 1 00 Use the x key to adjust the TDS factor Press enter to accept these adjusted values of TDS Factor and return to measure Screen or press setup again to get to the next page C2 D TDS press p to set value epress e options epress FALE 5 1 15 Program 14 Temperature unit selection Press enter to accept the C and return to measure screen or press setup again to go to the F selection page e pres s te t
19. h a standard conductivity solution usually a KCI solution with a precisely known value The following calculation yields the actual cell constant K standard value of solution uS observed value of solution uS Fortunately the accumet AB30 meter automatically does this calculation for you by touching the std button To produce an appropriate current signal for the meter it is important to choose an electrode with an appropriate cell constant The following table lists the optimum conductivity ranges for electrodes with cell constants of 0 1 1 and 10 Cell Constant Optimum Conductivity Range uS cm 0 1 0 5 to 200 1 0 10 to 2000 10 0 1000 to 200 000 Prior to use the probes should be conditioned in distilled or deionized water for at least 10 minutes or in accordance with the manufacturer s instructions accumet The four cell electrode Traditionally conductivity measurements were made with a two cell electrode This electrode used two metallic sensors an anode and a cathode to which ions migrated Under the influence of DC current the electrodes quickly became polarized In this situation molecules formed at the electrode surfaces and ions migrating to the area collect around the respective anode or cathode and actually screen it from other ions In essence the flow of ions stops and current ceases to flow Polarization and associated errors can be minimized by using AC voltage the appropriate cell constant an
20. ization 9 CONDUCTIVITY THEORY 34 10 CLEANING 38 11 METER SPECIFICATIONS 38 12 WARRANTY 40 ONO 10 12 13 14 14 14 15 15 15 17 17 19 20 21 21 22 23 25 28 30 31 31 33 13 NOTICE COMPLIANCE 41 14 REPLACEMENT PARTS 42 14 1 Replacement parts 42 1 INTRODUCTION Thank you for selecting the Fisher Scientific Accumet AB 30 bench top meter This instruction manual describes the operation of the meter The state of art meter that you have purchased is easy to operate and will guide you through the various functions by displaying easy to understand prompts This instruction manual is designed to provide all the information necessary to guide you through the process of measuring pH or mV with a series of prompts on the screen lt You will find this symbol appearing in this manual it indicates useful tips that ease your meter operation The Accumet AB30 provides microprocessor precision in a compact benchtop design that is easy to use This meter allows you to Measure conductivity resistivity and Total Dissolved Solids TDS Select cell constants temperature coefficients temperature units Standardize with two key strikes Replatinise your conductivity probe It all adds up to rapid completely automatic intuitive operation accumet accumet 2 UNPACKING THE METER The following is a listing of what you should ha
21. l return to the Measure screen Repeat step 2 if a longer replatinization is required co 4 A new cell constant must now be established for the probe Refer to the standardization section page accumet 9 CONDUCTIVITY THEORY Conductance is a metric associated with the ability o primarily aqueous solutions to carry an electrical current between two metallic electrodes when a voltage E is connected to them Though water itself is a rather poor conductor of electricity the presence of ions in the water increases its conductance considerably the current bring carried by the migration of the dissolved ions This is a clear distinction from the conduction of current through metal which results from electron transport The conductance of a solution is proportional to and a good though non specific indicator of the concentration of ionic species present as well as their charge and mobility It is intuitive that higher concentrations of ions in a liquid will conduct more current Conductance derives from Ohms law E IR and is defined as the reciprocal of the electrical resistance of a solution C 1 R C is conductance siemens R is resistance ohms One can combine Ohms law with the definition of conductance and the resulting relationship is l is current amps E is potential volts In practice conductivity measurements involve determining the current through a small portion of solution between two parall
22. mode to confirm the standardization and return to Measure mode Press setup key to access setup for configuration of E meter setting uS m5 Mim Vew A Bs COEF Pont le STABLE li STABLE Press _ key to increase value select or scroll up selection press STANDBY to resume e press to eet value ol key to a press setup to select options i selection or change being made press enter fo accept press save view Ip store recall data press std to stondardize GOOD ELECTRODE ERROR Press stdby key to start up or check Electrode Bulfers Temperature put the meter in standby STO Solution mode select DEFAULT TEMP g LIMIT a 4 3 Screen Display accumet Familiarize yourself with the layout of the digital screen display Measure Standardize Standardize 066066 p a TOS Facer Cell Constam n dus BUFFER select Se CORP press STAMDBY to resume amp press to set value press setup select options press enter to accept press std fo stondordize GOOD ELECTRODE ERROR check Electrode Buffers Temperature STD Solution aJ select DEFAULT UNIT ATC temperature display Conductivity TDS Resistivity Reading able loon 5 CONDUCTIVITY OPERATION 5 1 Using Setup Setup allows you to set the operating parameters of the meter to meet your requirements There are two ways to acc
23. sje ct options epress ettercept select e TEMP UNIT 5 1 16 Program 15 Temperature unit selection F Press enter to accept the F and return to measure screen or press setup again to go to the next setup option page select F UNIT accumet accumet 5 1 17 Program 16 Enable the STABLE icon Press enter to enable ON the STABLE and return to measure Screen or press setup again to disable OFF the STABLE setup page e press amp ete ect options e press atetce pt Li 5 1 18 Program 17 Disable the STABLE icon Press enter to disable OFF the STABLE and return to measure screen or press setup again to go to the next setup page e press amp eteject options e press dat rcept Co nN 5 1 19 Program 18 Clear the user standardization Press enter to select to clear the calibration and return to measure screen or press setup again to skip the option uS clear e press amp e e ect options e press dat rcept er Depends on the measure mode you are in this setup page clears only the particular mode calibrated value Suppose you access the setup pages from TDS measure mode and you choose to clear the standardized buffer then the meter only resets the TDS standardization Conductivity Resistivity standardization if any will remain unchanged lt When accessing the cell constant temperature coefficient TDS factor temperature unit selection and stable ON OFF s
24. t Temperature Coefficient 0 0 Select the temperature coefficient from 2 0 5 2 0 0 or 1 5 Default is 2 0 Program 12 Select Temperature Coefficient 1 5 Select the temperature coefficient from 2 0 5 2 0 0 or 1 5 Default is 2 0 Program 13 Select TDS Factor Select the TDS factor from 0 40 to 1 00 Program 14 Temperature Unit C Select unit of measure for Temperature either in or F Program 15 Temperature Unit F Select unit of measure for Temperature either in or F Program 16 Enable Stability Indicator Set the stability indicator to be displayed on the screen Select On Program 17 Disable Stability Indicator Set the stability indicator to be NOT displayed on the screen Select OFF Program 18 Clear User Standardization Select to clear the calibration and return to Measure screen Overview of Setup Menus in AB30 accumet 5 1 2 Program 1 View the calculated cell constant 1 Press setup to view the calculated cell constant stored in memory 2 If there is no cell constant in memory a series of dashes will appear Press enter to accept the displayed cell constant and return to the Measure screen OR 3 Press setup again to go to the next page Cell Constant e pre ss Setsapect options e press etvtercept 1 EE E accumet 5 1 3 Program 2 View the standardized value 1 If the meter is not standar
25. the current measurement unit If the measurement is uS mS then setting also in uS mS respectively Use the x key to scroll until desired is set in the first digit After setting the first digit press setup to set the second digit If the first digit is not needed to set then press setup key to go to the next digit setting After setting the all digits that is your standard conductivity solution value to which you are going to standardize your meter press enter to confirm your set value accumet After adjusted std solution value which will be displayed at the upper display press std to initiate the standardization and on successful completion meter returns to measurement mode Standardize mS e press Se befe ct options e press stel standardize STD Solution ru 5 lt Standardization window provided is 40 of current reading If the standard value set is not within the window then meter displays Electrode Error message after initiate the standardization ELECTRODE ERROR Press enter to return to measurement mode In this case meter will not accept the standardization If the standardization is successful then meter displays buffer icon in the middle part of the display in the measurement mode Resistivity TDS Standardization Follow the same procedure as explained in the conductivity calibration Note There are separate standardization provided for con
26. ve received with your Accumet AB 30 conductivity meter Meter with kit includes Meter Power supply Electrode arm support bracket Electrode arm ATC probe Manual and literature Note that this meter does not include a conductivity cell RS 232 communication cable Meter only includes Meter Power supply Electrode arm support bracket Manual and literature If any of these items are missing please contact the Fisher Products Group electrochemistry Division by dialling 412 490 6267 Accessory Conductivity Probes are available and can be ordered by calling Fisher Customer Service at 800 766 7000 2 cell Conductivity Probes Cell Constant Optimal Conductivity Range Glass Body Epoxy Body 0 1 0 5 to 200 13 620 156 13 620 161 1 0 0 01 to 2 0 mS cm 13 620 155 13 620 160 10 0 1 to 200 mS cm 13 620 157 13 620 162 4 cell Conductivity Probes Cell Constant Optimal Conductivity Range Glass Body Epoxy Body 1 0 0 01 to 2 0 mS cm 13 620 163 13 620 165 10 0 1 to 200 mS cm 13 620 164 13 620 166 3 GETTING STARTED 3 1 Connectors 1 Review the layout and arrangement of the rear connector panel 2 cell Conductivity cell Conductivety Automatic Temperature Compensation ATC POWER Conductivity Conductivity ATC 1 2 Connect the electrode arm to the base TEE CL m LL electrode arm support 3 Connect the power cable to th
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