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Instruction Manual

352 050/REV B/01-17

pH/mV Temperature Meter

Model 3520

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Summary of Contents for 3520

Page 1: ...Instruction Manual 352 050 REV B 01 17 pH mV Temperature Meter Model 3520...

Page 2: ......

Page 3: ...to the appropriate servicing authority Merci de lire attentivement ces informations avant d installer ou d utiliser cet appareil 1 L appareil d crit dans ce manuel est con u pour tre utilis uniquemen...

Page 4: ...irgendeiner Weise besch digt wurden muss das Ger t au er Betrieb genommen und gegen weiteren Gebrauch gesichert werden Die St rung sollte der zust ndigen Serviceeinrichtung unverz glich gemeldet werd...

Page 5: ...adas que se especifican en este manual 3 Cualquier elemento que no se encuentre entre los definidos en los procedimientos de mantenimiento aqu descritos no podr utilizarse en este instrumento La extra...

Page 6: ...e Values 3 4 Good Practice Guidelines 3 5 Set Up Parameters 3 6 pH Calibration 3 7 Error Codes 3 8 mV Mode 3 9 Performing Measurements 3 10 Status Page 3 11 Results Storage and Display 3 12 GLP Functi...

Page 7: ...1012 ohms Temperature Measuring Ranges 10 to 105 C 14 to 221 F Resolution 0 1 C 1 F Accuracy 0 5 C 1 F ATC Range 0 to 100 C 32 to 212 F Manual Temp Compensation 0 to 100 C 32 to 212 F Auto Buffer Sel...

Page 8: ...if required and the pH electrode to the rear panel Temp and pH sockets The unit should be placed on a clean flat surface which is free from drafts and vibrations The units are designed for operation...

Page 9: ...lly temperature compensated MAN symbol 5 Endpoint symbol this symbol is displayed when an endpoint has been detected 6 Mode tags Each mode tag is highlighted when selected SETUP MODE pH or mV STATUS o...

Page 10: ...mV in mV mode 3 Print key used to initiate a print 4 Up Arrow used for adjustment during set up to scroll results and to toggle between mV and pH modes Down Arrow used for adjustment during set up to...

Page 11: ...llows combination pH or redox electrodes to be used 3 Temp Socket 8 pin mini DIN socket This allows the optional Automatic Temperature Compensation ATC probe to be connected 4 Alarm Output 2 x 4mm soc...

Page 12: ...our as the pH level varies These can be used as a guide to the pH level but can be limited in accuracy and difficult to interpret correctly in murky or coloured samples For greater accuracy the use of...

Page 13: ...he solutions For accurate and repeatable results it is essential to follow the manufacturers instructions carefully 3 4 Solution Temperature Values The value of all buffer solutions varies with soluti...

Page 14: ...is level remains above the sample in use 5 DO NOT touch the sensitive glass pH membrane or reference junction during use Excess droplets of solution may be removed by gently blotting with filter paper...

Page 15: ...to scroll between 0 001pH 0 01pH and 0 1pH mV Resolution allows the user to select the preferred resolution Use the Up Down arrows on the keypad to scroll between 0 1mV and 1mV Language enables the se...

Page 16: ...rrow keys allow forward and backward movement along the row of digits Press the STO key to accept the value Manual Cal 2 allows Cal 2 manual buffer value to be set using the Up Down keys The Left Righ...

Page 17: ...to a 4 digit code can be set using the Up Down keys The Left Right arrow keys allow forward and backward movement along the row of digits Press the STO key to accept the value 3 6 4 Alarms Setup Exit...

Page 18: ...eys allow forward and backward movement along the row of digits Press the STO key to accept the value 3 6 6 Security Setup Select the Security Setup sub menu buy highlighting the option and pressing t...

Page 19: ...led or disabled by using the Up Down keys which toggle between the two settings Clr Key toggles between Deletes Results Before Deletes All Results and Deletes Results Since Selection is made via the U...

Page 20: ...and return to the main instrument display Display toggles between Time and Date Selection of the preferred option can be made using the Up Down keys which toggle between the two settings Date Format t...

Page 21: ...display will show the manually set temperature reading in C or F When manual temperature compensation is being used the annunciator will indicate MAN 2 Immerse the electrode s in the first buffer solu...

Page 22: ...slope efficiency and then return to the main measuring screen The current calibration information including the Eo value can be found on the Status screens Rinse the electrode s in deionised water 3 C...

Page 23: ...play will show where 1 3 is the number of calibration points selected in the Calibration Setup menu Value should show the STC value of the buffer used Press the CAL or STO key The display will then sh...

Page 24: ...the Eo value and the slope efficiency and then return to the main measuring screen The current calibration information including the Eo value can be found on the Status screens Rinse the electrode s...

Page 25: ...nits from the set value Rinse the electrode s in deionised water Once a successful calibration has been completed the instrument will return to the measuring mode The instrument is then ready to under...

Page 26: ...icating that corrective action should be taken Recording these values as part of a routine Quality Control program can give a good indication of the condition of the electrode Relative Millivolts This...

Page 27: ...perature compensation is being used the preferred measurement range should be selected via the Set Up menu b Immerse the electrode into the solution and set the to the solution temperature via the Set...

Page 28: ...g after a reset or a failed calibration the warning screen will be shown The status page will show the calibration data in the order it was carried out Date time temperature mV and pH readings will be...

Page 29: ...et data logs when the alarm set point is reached Alarm Clear data logs when the alarm is cleared Alarm Set Clear data logs at the alarm set point and when the alarm condition clears Disabled no data l...

Page 30: ...select results The most recently stored results will be displayed on the screen If more results are stored than can fit on a single screen then a series of data screens are available The current scre...

Page 31: ...ing the audible alarm setting on this menu NOTE The use of the Calibration Reminder feature will prevent the user from performing measurements with the 3520 until a valid calibration is carried out Th...

Page 32: ...in the solution until clean Rinse and repeat as necessary Electrodes which have been allowed to dry out should be soaked overnight in warm distilled water Table of Cleaning Agents for Glass Electrode...

Page 33: ...essories 5 1 Optional Accessories The following list of items are available as optional accessories for use with the Model 3520 060 406 Dust cover 037 701 IrDA printer supplied with roll of thermal pa...

Page 34: ...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 3520 TXD 3 OUTPUT FROM 3520 DTR 4 LINKED TO DCD AND DSR GND 5 DSR 6 LINKED TO DCD AND...

Page 35: ...trol and software XON XOFF flow con trol Pressing the PRINT key outputs from the RS232 interface Sending an ASCII D to the 3520 causes a printout of the current displayed reading plus sample number Se...

Page 36: ...ate of the stored readings will be displayed An asterisk indicates that manual temperature compensation is being used A reading in the Relative mV mode will be indicated by an R Each reading will be i...

Page 37: ...Replace electrode Unable to recognise Using correct buffer set Is the buffer type correct Use AUTO for buffers Jenway supplied buffers Replace buffers Use BNC cap to test 3520 see 7 2 Replace electrod...

Page 38: ...isplay will momentarily show E2 RST 4 If this does not resolve the problem please contact the manufacturer or your local distributor 7 2 Functional check The measurement function of the meter can be c...

Page 39: ...declared IEC EN 61010 1 2001 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 General requirements Electrical equipment for measu rement control and labor...

Page 40: ...Cole Parmer Ltd Beacon Road Stone Staffordshire ST15 0SA United Kingdom Tel 44 0 1785 812121 Email cpinfo coleparmer com Web www jenway com...

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