Model 4510 Conductivity/TDS Meter Operating Manual
Contents
1. after the sample number indicates that an endpoint has been reached Each reading will be numbered sequentially A calibration will reset the data number to 0001 and the header information will be re printed To obtain a print out of stored readings enter the RESULTS MODE and press the print key A print out of all 32 print locations will then be generated 17 451 050 REV A 03 03 6 4 1 Example Printout 4510 Header printout 4510 Results printout 4510 Stored Results 0 AS AAA 0001 1 018 DV Nato 451 0002 0 004 22 1 C 0 ioc ity keter 0003 t 0005 17 F 0004 142205 22 30 Operator V OT HEL AAN 0005 gt No Record lt OTE 19 2 0008 gt No Record User MIN e 0007 gt No Record Cell Constant 1 000 0008 gt No Reccrd lt Reference Teap 25 C 0008 No Record Temp Coefficient 1 91 0010 No Record TDS EC Ratio 0 60 LATAS id cers 0012 gt No Record lt sr iui 0013 No Recorc sresereonerescescoseceneossssono 0014 No Record 0001 0 01uS 25 0 C gt zord lt 0002 0 0148 25 0 C ni A do q 0003 0 0luS 25 0 C 0017 gt No Record lt 0004 0 0148 25 00 0018 No Record 0005 0 01uS 25 0 0019 No Record lt 0005 0 0148 25 0 0020 gt No Record lt 0007 0 01uS 25 0 C 0021 gt No Record lt 0008 0 01uS 25 0 C 0022 gt No Record lt 0009 0 01uS 25 0 0023 gt No Record 0010 O 0luS 3 25 0 C 0022. Sample Measurement Maintenance General Optional Accessories Optional Accessories Spares Interfacing Analogue RS232 Keypad Emulation Printing Troubleshooting Troubleshooting 2 1 2 3 2 4 2 5 4 1 5 1 5 2 6 1 6 2 6 4 7 1 451 050 REV A 03 03 Section 1 1 1 Instrument Description Introduction A general purpose Conductivity TDS temperature bench meter for use in laboratory situations The instrument includes a 32 reading memory facility Features include automatic range selection calibration on standard solutions or direct cell constant entry automatic temperature compensation analogue output and RS232 serial interface 1 2 Instrument Specifications Conductivity Ranges Resolution Accuracy TDS Ranges Resolution Accuracy Temperature Range Resolution Accuracy ATC Range Manual Temp Comp Range Display Power Size Weight 0 to 19 99uS 0 to 199 9uS 0 to 1999uS 0 to 19 99mS 0 to 199 9mS 0 to 1999mS 0 01uS 0 1uS 1uS 0 01mS 0 1mS 1mS only with cell constant gt 5 0 5 2 digits 0 to 19 99mg 0 to 199 9mg l 0 to 1999mg l 0 to 19 99g l 0 to 199 99 0 to 1999g 1 0 01mgl 0 1mg l 1mg 0 019 0 1g 1 1g l only with cell constant gt 5 0 5 2 digits 10 to 105 C 14 to 221 F 0 1 C 1 F 0 5 C 1 F 0 to 100 C 32 to 212 F 0 to 100 C 32 to 212 F 3 digit LCD 9V power supply 210x250x55mm 8509 1
3. In 7 pin DIN socket which allows the conductivity cell to be connected 2 x 4mm sockets Analogue output buffered electrode potential 9 way socket for RS232 connection AC 9V I P socket 2 1 x 5 5mm socket allowing the power supply to be connected to the instrument 5 451 050 REV A 03 03 Section 3 3 1 Operation Good Practice Guidelines For greatest accuracy ensure no particulate matter is suspended in the solution under test If necessary filter or allow the particles to settle prior to use Do not allow the cell to come into contact with any sediment which may be present Ensure no air bubbles are trapped in the cell area between the plates Ensure the cell plates are completely immersed in the solution under test Thoroughly rinse the cell plates in deionised water after use and for short term storage immerse the cell in deionised water Although it is not essential to store the conductivity cell with the plates in a wetted condition if they are allowed to dry out completely initial stability on re use may be impaired until the cell plates become re wetted Do not attempt to clean the cell plates as this will remove the black platinization and alter the calibration and accuracy of the probe If the cell plates become worn or damaged the plates should be re platinised and the cell constant recalculated Ensure no salt deposits or particulate matter are allowed to build up around the cell plates or on the probe body as t
4. Spares 027 013 Conductivity Cell K 1 037 702 Paper roll thermal 021 030 UK 230V power supply 021 031 European 230V power supply 021 032 US 115V power supply 021 033 230V leaded power supply 14 451 050 REV A 03 03 Section 6 Interfacing 6 1 Analogue All units are provided with 2 x 4mm sockets marked as ANALOG OUT on the rear panel An analogue output voltage of 1mV per least significant displayed digit is available from these sockets 6 2 RS232 The Bi directional RS232 interface is available on the rear panel 9 way D type connector The connections are as follows DCD 1 LINKED TO DTR AND DSR RXD 2 INPUT TO 4510 TXD 3 OUTPUT FROM 4510 DTR 4 LINKED TO DCD AND DSR GND 5 DSR 6 LINKED TO DCD AND DTR RTS 7 OUTPUT FROM 4510 CTS 8 INPUT TO 4510 Suggested interconnections are detailed below 4510 IBM PC XT 25 way D 1 DCD DCD 8 2 RXD RXD 3 3 TXD TXD 2 4 DTR DTR 20 5 GND GND 7 6 DSR DSR 6 7 RTS RTS 4 8CTS _ CQTS5 9 4510 IBM PC XT 9 way D 1 DCD 1 DCD 2 RXD 2 RXD 3 TXD 3 TXD 4 DTR 4 DTR 5 GND 5 GND 6 DSR 6 DSR 7 RTS 7 RTS 8078 acts 9 9 NOTE Interface Cable Order Code 013 203 is required 15 451 050 REV A 03 03 Interfacing continued The RS232 communications parameters on the computer or printer need to be set to match those of the Model 4510 as detailed below 1200 Baud 9600 Baud 7 Data Bits 8 data bits Odd P
5. To accept the correct reference temperature value press the STO key The symbol will disappear and the secondary display will momentarily show SAVED The instrument display will update and then show the TDS EC ratio set up menu 8 451 050 REV A 03 03 3 2 4 TDS EC Ratio The display will show hd CI M LJ 77 d n LU t m i L SETUP Moo 4 The secondary display will show TDS EC and will then scroll TDS EC RATIO after 10 seconds A Symbol y will flash while adjustment is being made The first digit of the displayed value will be flashing Adjustment of the flashing digit can be made using the Up Down arrow keys The Left Right arrow keys are used to select the next adjusting digit which will flash when selected Once the full reading has been adjusted to the required value press the STO key The symbol will disappear and the secondary display will momentarily show SAVED The instrument display will update and then show the Temperature Units set up menu 3 2 5 Temperature Units selection The display will show SETI IP RESUI TSI The secondary display will show UNITS and will then scroll TEMPERATURE UNITS after 10 seconds Select the preferred temperature unit from the options available C or F The Up Down arrows toggle between the units Symbol will flash while adjustment is being made The Left Right arrow keys and the CAL CLR key have no function during this set up To accept the pre
6. the MODE menu using the keypad Press the CAL CLR key The unit will calibrate to the nearest standard 11 451 050 REV A 03 03 3 6 Sample Measurement General Conductivity is a temperature dependent measurement All substances have a conductivity coefficient which varies from 1 per C to 3 per C for most commonly occurring substances The automatic temperature compensation on the 4510 defaults to 1 91 per C this being adequate for most routine determinations Conductivity readings varying with temperature may be due to the substances under test having a coefficient other than the typical value of 1 9196 per C To eliminate this variation it is necessary to maintain all samples at the reference temperature by use of a thermostatic water bath or equivalent Adjustment may be made by entering the SETUP menu and selecting COEFF refer Section 3 2 2 The reading can then be adjusted to the required value 0 00 to 4 00 by using the keypad Sample Measurement After calibration the measurement of samples is carried out by immersing the cell in the samples allowing the readout to stabilise and recording the result The cell should be rinsed in deionised water between each sample to avoid contamination shaken to remove internal droplets and the outside wiped prior to immersion in the next sample On completion of sample measurement the cell should be thoroughly rinsed in deionised water Storage Short Term the cell should be immers
7. 4 gt No Record 0011 O 0luS 25 0 C 0025 gt No Record 0026 gt No Record lt 0027 gt No Record lt 0028 gt No Record 0029 gt No Record 0030 No Record lt 0031 Nc Record lt 0032 No Record lt udis a m rc rs 4 Hr ooo 18 451 050 REV A 03 03 Section 7 7 1Troubleshooting Fault No display Erratic display Unstable display Display permanently under or over range Intermittent display Reading drifts Non linear readings Poor reproducibility Will not print Troubleshooting Possible Cause Check power supply Check power supply Conductivity cell defective Intermittent or no connection Conductivity cell defective Contaminated solutions Conductivity cell not fitted correctly Conductivity cell stored dry CO absorbtion by sample Conductivity cell not zeroed Carryover between solutions Connection Paper out Battery flat 19 Action Check that correct 9V ac power supply is connected and switched on Unit must be used with supplied 9V acpower supply Usage of other units will cause the 4510 not to operate Replace conductivity cell Check cell connection to 4510 Replace conductivity cell Replace solutions Check connections Allow to soak for 2 hours Noticeable for low conductivity do not allow sample to stand in unstoppered bottles Zero conductivity cell Rinse cell in distilled water between meas
8. 451 050 REV A 03 03 Section 2 Installation 2 1 Unpacking Remove the Model 4510 from the packaging and ensure the following items are included Model 4510 Conductivity TDS Meter Glass bodied conductivity cell with ATC K 1 027 013 Electrode holder Power Supply as specified at time of ordering the product Condensed operating instructions 451 051 Operating Manual 451 050 DIR The electrode stand requires minimal assembly refer to the diagram below Any shortages or damage should be reported immediately to the manufacturer or your local distributor 2 2 Installation The Model 4510 is supplied ready to use Connect the conductivity cell to the rear panel DIN socket The electrode stand requires minimal assembly refer to the diagram below Fig 2 2 1 Electrode Holder Assembly 2 451 050 REV A 03 03 2 3 Displays o gu 88mS84yS1 TO O 1 Do A sa O ye eS gt ORDD A MAN d 1 Standard selection indicates which type of standard is being used Also indicates when a calibration is being performed 2 Symbol displayed during set up of instrument parameters 3 Primary display 44 digit Provides direct readout in Conductivity or TDS of samples and standards 4 Mode annunciators shows selected measurement mode Conductivity uS or mS and TDS mg l or g l 5 Endpoint symbol 6 Secondary display 6 digit display Provides direct readout of automatic or manual temperature
9. 451 050 REV A 03 03 Section 4 Maintenance 4 1 General The Model 4510 is designed to give optimum performance with minimum maintenance It is only necessary to keep the external surfaces clean and free from dust To give added protection when the unit is not in use the unit should be disconnected from the mains supply and covered with the optional dust cover 060 406 For longer term storage or re shipment it is recommended that the unit be returned to the original packing case All conductivity cells should be thoroughly rinsed after use and stored in deionised water Do not attempt to clean the surface of the plates as this could result in damage to the black platinised surface Section 5 Optional Accessories 5 1 Optional Accessories 060 406 Dust cover 037 701 Printer supplied with roll of thermal paper serial connection lead power supply power connection lead UK and pouch 037 801 Interface cable kit 050 002 Serial communication software 31 2 disk Conductivity Cells 027 113 Conductivity Cell K 0 1 027 114 Conductivity Cell K 1 plastic covered NOTE The cells listed below are glass free and epoxy bodied 027 211 Conductivity Cell with ATC K 0 1 027 212 Conductivity Cell with ATC K 1 027 213 Conductivity Cell with ATC K 10 Calibration Standards 025 138 1413uS Standard 500ml 025 156 12 88mS Standard 500ml 025 164 84uS Standard 500ml 025 139 10uS Standard 500ml 025 165 1382ppm TDS Standard 500ml 5 2
10. Model 4510 Conductivity TDS Meter Operating Manual 451 050 REV A 03 03 SAFETY Please read this information carefully prior to installing or using this equipment 1 The unit described in this manual is designed to be operated only by trained personnel Any adjustments maintenance and repair must be carried out as defined in this manual by a person qualified to be aware of the hazards involved 2 Itis essential that both operating and service personnel employ a safe system of work in addition to the detailed instructions specified in this manual 3 References should always be made to the Health and Safety data supplied with any chemicals used Generally accepted laboratory procedures for safe handling of chemicals should be employed 4 If it is suspected that safety protection has been impaired in any way the unit must be made inoperative and secured against any intended operation The fault condition should immediately be reported to the appropriate servicing authority 451 050 REV A 03 03 Contents Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 k Model 4510 Conductivity TDS Meter Operating Manual Introduction Instrument Description Instrument Specification Installation Unpacking Installation Displays Controls Inputs Outputs Operation Good Practice Guidelines Instrument Set up Preparation of Standards Calibration With Known Cell Constant With Standard Solution
11. S at 25 C Storage This solution must be stored in a plastic container and the air space above the solution should be kept to an absolute minimum The shelf life of 1 week can be increased by storing below 4 C but where any doubt exists about the viability of stored solution a fresh batch should be prepared 3 4 Calibration with Known Cell Constant 1 2 Connect a standard pre calibrated cell to the unit Select SETUP mode on the display using the Left arrow key Set the cell constant value as indicated on the body of the conductivity cell refer Section 3 2 1 The standard X1 0 cell has a cell constant range from 0 8 to 1 20 and is generally calibrated to 2 decimal places The display should be set to indicate this figure exactly The X10 cell has a cell constant range from 8 0 to 12 0 and is generally calibrated to 2 decimal places The display should be set to indicate this figure Set the Temperature Coefficient value refer Section 3 2 2 Select the required reference temperature refer Section 3 2 3 3 5 Calibration with Standard Solution Calibration of the unit and cell with standard solutions will only be necessary if 1 2 3 The cell constant is unknown The cell constant has changed due to replatinising wear or damage to the plates An ATC slope other than 2 C is required refer Special Calibration General Calibration 1 2 3 Immerse the conductivity cell into the prepared standard Select
12. Scrolls and displays selected parameter information in set up mode 7 Status display 21 digit 8 Mode annunciators indicates temperature in C or F and whether the measurements are manually or automatically temperature compensated 9 Mode tags Each mode tag is highlighted when selected SETUP MODE or RESULTS 3 451 050 REV A 03 03 2 4 Keypad 1 ESC 2 CAL CLR 3 Print key 4 Up Arrow 5 Down Arrow 6 Left Arrow 7 Right Arrow 8 STO ay used to switch the instrument on and to place into standby mode only if power supply lead remains connected to the instrument Also used to escape exit a mode used to select and perform a calibration sequence This key is also used to clear readings from Memory used to initiate a print used for adjustment during set up to scroll results and to toggle between Conductivity uS or mS and TDS mg l or g l modes used for adjustment during set up to scroll results and to toggle between Conductivity uS or mS and TDS mgl or g l modes used for adjustment during set up and to move between mode tags used for adjustment during set up and to move between mode tags used to accept an entered value in set up mode and to instigate a stored reading This key can also be used as a CAL key during calibration 4 451 050 REV A 03 03 2 5 Inputs Outputs 2 5 1 Rear panel layout 1 Conductivity Socket 2 Analog Out 3 Output Socket 4 Power
13. arity OR No parity 1 Stop Bit 1 stop bit Setting of these options is detailed in Section 3 6 6 The Model 4510 supports both hardware CTS RTS flow control and software XON XOFF flow control Pressing the PRINT key outputs from the RS232 interface Sending an ASCII D to the 4510 causes a printout of the current displayed reading plus sample number Sending an ASCII C causes a printout of the last calibration parameters Sending an ASCII P causes a printout of the stored readings 6 3 Keypad Emulation Keypad remote control using RS232 interface 7 Instrument On Standby Escape 1 Calibrate Memory Clear 9 Print 8 Up Arrow 2 Down Arrow 4 Left Arrow 6 Right Arrow 3or5 Enter Store 16 451 050 REV A 03 03 6 4 Printing A 32 column serial printer 037 701 is available for use with the Model 4510 Connect the printer via the cable supplied with the printer to the 9 way socket located on the rear panel of the instrument To intiate a print out of data press the print key When the first print is performed a header section will be printed showing Instrument name Spacing for entry of Operator amp User ID Most recent calibration information Cell Constant Reference temperature Temperature coefficient TDS EC ratio This will be followed by results data in either uS mS Conductivity or mg l g l TDS dependent on mode selected Details will also be given on temperature An asterisk
14. ed in deionised water to keep the plates wetted Long Term the cell should be thoroughly rinsed in deionised water the exterior body wiped and then stored dry NOTE When preparing the cell for storage the plate area MUST NOT be wiped dry When using a dry cell initial stability on re use may be impaired until the cell plates become re wetted To obtain optimum performance refer to Section 3 1 Good Practice Guidelines 12 451 050 REV A 03 03 3 7 Results storage and display To store the current displayed result press the STO key The instrument display will momentarily show STORED on the secondary display The memory location will be given on the status display Up to 32 results can be stored Each result will be stored in the next available memory location The instrument will store Primary Conductivity or TDS readings Temperature readings and the unit of measurement C or F MAN if manual temperature measurement is used Endpoint symbol Selecting the RESULTS menu displays the reading stored at the displayed memory location pa serue J won J eesu rs The Up arrow increments the memory index the Down arrow decrements the memory index The Left arrow exits to the main measurement display The Right arrow and STO keys do not function CAL CLR deletes the current memory location The secondary display scrolls DELETED To exit this mode press the ESC key If the memory is full the secondary display will show FULL 13
15. ferred temperature unit press the STO key The symbol will disappear and the secondary display will momentarily show SAVED The instrument display will update and then show the Baud Rate set up menu 9 451 050 REV A 03 03 3 2 6 Baud Rate For full details relating to serial protocol refer to Section 6 of this manual The display will show Y600 BAUD SETUP MONF RESULTS The secondary display will show BAUD and will then scroll SERIAL PORT BAUD RATE after 10 seconds Select the required baud rate 9600 or 1200 using the Up Down keys which toggle between the values The data bits and parity will automatically adjust as the baud rate is selected The Left Right arrow keys and the CAL CLR key have no function during this set up Symbol z will flash while adjustment is being made To accept the selected baud rate press the STO key The symbol will disappear and the secondary display will momentarily show SAVED and the instrument will return to the MODE menu 10 451 050 REV A 03 03 3 3 Preparation of Conductivity Standards Suitable conductivity standards are available commercially or these can be made up as required from analytical grade reagents with reference to relevant physical tables Method for general purpose Conductivity Standard Accurately weigh out 0 746 grammes of dried A R grade Potassium Chloride KCI and dissolve in 1 litre of good quality water This produces a 0 01N solution with a conductivity of 1413u
16. his may produce a conductivity path lower than that through the solution It is recommended that such deposits be removed by soaking the cell in deionised water No attempt should be made to wipe off these deposits as this may cause damage to the cell plates Ensure the correct reference temperature is selected for the operating procedures being used 6 451 050 REV A 03 03 3 2 Instrument Set Up The following section details the set up modes available to the user These are Cell constant Coefficient Reference Temperature TDS EC Ratio Temperature units and Baud Rate These can be set in sequence as detailed in this section or by entering the SET UP mode and using the STO key to select a specific parameter at any time To exit the set up menus at any time press the ESC key This will return the instrument to the MODE menu Any parameters not saved will remain as defaults or previous setting 3 2 1 Cell Constant K entry Select SETUP mode on the display using the Left arrow key 3 LA SETUP J MOnF RESLILTS The secondary display will show CELL K and will then scroll CELL CONSTANT after 10 seconds Symbol will flash while adjustment is being made The first digit of the displayed value will be flashing Adjustment of the flashing digit can be made using the Up Down arrow keys The Left Right arrow keys are used to select the next adjusting digit which will flash when selected Once the full reading has been adjusted
17. to the required value press the STO key The symbol will disappear and the secondary display will momentarily show SAVED The instrument display will update and then show the Coefficient set up menu 7 451 050 REV A 03 03 3 2 2 Temperature Coefficient set up The display will show COEFF seTuP monr RESULTS The secondary display will show COEFF and will then scroll TEMPERATURE COEFFICIENT after 10 seconds Symbol will flash while adjustment is being made The first digit of the displayed value will be flashing Adjustment of the flashing digit can be made using the Up Down arrow keys The Left Right arrow keys are used to select the next adjusting digit which will flash when selected Once the full reading has been adjusted to the required value press the STO key The symbol will disappear and the secondary display will momentarily show SAVED The instrument display will update and then show the Reference Temperature set up menu 3 2 3 Reference Temperature selection The display will show 4 BE REF T SETUP J MOnF RESLILTS The secondary display will show REF T and will then scroll REFERENCE TEMPERATURE after 10 seconds Select the reference temperature from the options available 18 20 or 25 C by scrolling through the list using the Up Down arrows A v The Left Right arrow keys and the CAL CLR key have no function during this set up Symbol will flash while adjustment is being made
18. urements 4510 requires the RS232 cable to connect the printer The feed light on the printer will flash if the unit requires paper Connect ac power supply 451 050 REV A 03 03 EC Declaration of Conformity JENWAY Model 4510 Conductivity TDS Meter complies with the following European Standards EN 50081 1 1992 Electromagnetic compatibility Generic emission standard EN 50082 1 1992 Electromagnetic compatibility Generic immunity standard Performance crite rion B EN 61010 1 2001 Safety requirements for electrical equipment for measurement control and laboratory use Following the provision of EMC Directive 89 336 EEC and Low Voltage Directive 73 23 EEC Martyn J Fall Managing Director Jenway Gransmore Green Felsted Dunmow Essex CM6 3LB England 20 451 050 REV A 03 03
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