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Contents

Multi 3430

ba75865e01

12/2009

4.6.3

Settings for pH measurements . . . . . . . . . . . . . . 39

4.6.4

pH calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

4.6.5

Calibration interval . . . . . . . . . . . . . . . . . . . . . . . 47

4.6.6

Carrying out an automatic calibration (AutoCal) . 48

4.6.7

Carrying out a manual calibration (ConCal) . . . . 52

4.6.8

Displaying calibration records . . . . . . . . . . . . . . . 54

4.6.9

Continuous measurement control (CMC
function)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

4.6.10 QSC function (sensor quality control) . . . . . . . . . 57

4.7

ORP voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
4.7.1

General information . . . . . . . . . . . . . . . . . . . . . . 60

4.7.2

Measuring the ORP . . . . . . . . . . . . . . . . . . . . . . 60

4.7.3

Settings for ORP measurements . . . . . . . . . . . . 62

4.8

Conductivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
4.8.1

General information . . . . . . . . . . . . . . . . . . . . . . 63

4.8.2

Measuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

4.8.3

Temperature compensation . . . . . . . . . . . . . . . . 66

4.8.4

Settings for IDS conductivity sensors . . . . . . . . . 67

4.8.5

Determining the cell constant
(calibration in control standard) . . . . . . . . . . . . . 70

4.8.6

Displaying calibration records . . . . . . . . . . . . . . . 72

4.9

Data storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
4.9.1

Manual storage . . . . . . . . . . . . . . . . . . . . . . . . . . 74

4.9.2

Automatic storage at intervals

. . . . . . . . . . . . 75

4.9.3

Editing the measurement data storage. . . . . . . . 77

4.9.4

Erasing the measurement data storage . . . . . . . 79

4.10 Transmitting data (USB interfaces) . . . . . . . . . . . . . . . . . 80

4.10.1 Outputting current measurement data . . . . . . . . 80
4.10.2 Transmitting data (to a PC). . . . . . . . . . . . . . . . . 80
4.10.3 Connecting the PC / USB-B interface (

USB

Device

)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

4.10.4 Connecting the USB memory device / USB-A

interface (

USB Host

)

. . . . . . . . . . . . . . . . . . . 81

4.10.5 Options for data transmission . . . . . . . . . . . . . . . 82

4.11 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

4.11.1 Resetting the measurement settings . . . . . . . . . 83
4.11.2 Resetting the system settings . . . . . . . . . . . . . . . 85

Maintenance, cleaning, disposal . . . . . . . . . . . . . . . . . 87

5.1

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
5.1.1

Replacing the rechargeable batteries . . . . . . . . . 87

5.2

Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

5.3

Packing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

5.4

Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

What to do if... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

6.1

General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Содержание Multi 3430

Страница 1: ...ba75865e02 12 2009 Multi 3430 Operating manual Digital pH dissolved oxygen conductivity meter for 3 digital IDS sensors pH...

Страница 2: ...between this operating manual and your meter Also we cannot guarantee that there are absolutely no errors in this manual Therefore we are sure you will understand that we cannot accept any legal clai...

Страница 3: ...harging the batteries 20 3 3 3 Switching on the meter 21 3 3 4 Setting the date and time 21 4 Operation 23 4 1 Switching on the meter 23 4 2 General operating principles 24 4 2 1 Operating modes 24 4...

Страница 4: ...ining the cell constant calibration in control standard 70 4 8 6 Displaying calibration records 72 4 9 Data storage 73 4 9 1 Manual storage 74 4 9 2 Automatic storage at intervals 75 4 9 3 Editing the...

Страница 5: ...Multi 3430 Contents 5 ba75865e01 12 2009 6 2 pH 90 6 3 Conductivity 92 7 Technical data 93 7 1 General data 93 7 2 Measuring ranges resolution accuracy 94 8 Lists 95 9 Appendix Firmware update 99...

Страница 6: ...Contents Multi 3430 6 ba75865e01 12 2009...

Страница 7: ...ts quickly and reliably The Multi 3430 provides the maximum degree of operating comfort reliability and measuring certainty for all applications The Multi 3430 supports you in your work with the follo...

Страница 8: ...operating manual A long keystroke approx 2 sec is indicated by the underscore behind the key symbol e g MENU ENTER_ M F1 F2 AR CAL PRT ESC RCL STO MENU ENTER MENU ENTER pH 3430 F1 F2 Softkeys providi...

Страница 9: ...r measurement settings Confirms entries Opens the menu for system settings PRT PRT_ Outputs stored data to the interface Outputs displayed data to the interface in intervals MENU ENTER MENU ENTER PRT...

Страница 10: ...ion with any buffers Error An error occurred during calibration AR Stability control AutoRead is active HOLD Measured value is frozen AR key Batteries are almost empty The batteries are being charged...

Страница 11: ...er that cannot return any voltages or currents that are not allowed SELV and current circuit with current limiting WTW IDS sensors meet these requirements Connectors 1 Digital sensors pH ORP conductiv...

Страница 12: ...do not concern this sensor To be able to use the automatic sensor recognition a meter that sup ports the automatic sensor recognition e g Multi 3430 and a digital IDS sensor are required In digital ID...

Страница 13: ...y of the last 10 calibrations z Measurement settings IDS conductivity sensors only The set measured parameter The set reference temperature The set temperature coefficient The set TDS factor The calib...

Страница 14: ...Overview Multi 3430 14 ba75865e02 12 2009...

Страница 15: ...perience the operators will know the necessary safety precautions to take when handling chemicals Safety instructions Safety instructions in this operating manual are indicated by the warn ing symbol...

Страница 16: ...left the factory in a safe and secure technical condition Function and operational safety The smooth functioning and operational safety of the meter can only be guaranteed if the generally applicable...

Страница 17: ...you are in any doubt please contact the supplier of the meter Obligations of the purchaser The purchaser of this meter must ensure that the following laws and guidelines are observed when using danger...

Страница 18: ...Safety Multi 3430 18 ba75865e02 12 2009...

Страница 19: ...ns operation with the supplied power pack The NiMh rechargeable batteries are automatically charged while the power pack is connected z USB operation via a connected USB B cable The inserted NiMh rech...

Страница 20: ...e of the original power pack see section 7 1 CAUTION Use original power packs only see section 7 1 CAUTION The batteries in the battery compartment are automatically charged when the power pack is con...

Страница 21: ...see section 4 3 The switch off interval of the energy saving feature is not active when the meter is supplied with power via the power pack or the USB B cable 3 3 4 Setting the date and time 1 Connec...

Страница 22: ...Commissioning Multi 3430 22 ba75865e02 12 2009...

Страница 23: ...witchoff switches off the measuring instrument if no key is pressed for an adjustable period The automatic switchoff is not active z if the power pack is connected z if a USB B cable is connected z if...

Страница 24: ...2 1 and section 4 2 3 4 2 1 Operating modes The meter has the following operating modes z Measuring The measurement data of the connected sensors is shown in the measured value display z Calibration...

Страница 25: ...s can be displayed in the following ways z Clear display of all connected sensors z Detailed display of one sensor e g incl CMC feature with pH sensors With the softkey you can very easily switch betw...

Страница 26: ...s z change the display in the selected measuring window e g pH mV by pressing M Menus and dialogs The menus for settings and dialogs in procedures contain further sub menus The selection is made with...

Страница 27: ...y reference of examples z Setting the language section 4 2 4 z Setting the date and time see section 4 2 5 Language Deutsch Beep Off Volume 9 Illumination On Brightness 12 Switchoff time 1 h Temperatu...

Страница 28: ...play appears The instrument is in the measuring mode 2 Open the Storage config menu with MENU ENTER_ The instrument is in the setting mode 3 Select the System submenu with S T The current selection is...

Страница 29: ...with MENU ENTER 7 Open the setting mode for the Language with MENU ENTER General Interface Clock function Service information Reset System 22 09 2009 08 00 Language Deutsch Beep Off Illumination On K...

Страница 30: ...alues Therefore check the time at regular intervals Note After a fall of the supply voltage empty batteries the date and time are reset to 01 08 2009 00 00 00 hours Setting the date time and date form...

Страница 31: ...lighted 6 Change and confirm the setting with S T and MENU ENTER The time is set 7 If necessary set the Date and Date format The setting is made similarly to that of the time 8 If necessary select and...

Страница 32: ...settings to the default con dition Settings To open the Storage config menu press the MENU ENTER_ key in the measured value display After completing the settings switch to the measured value display...

Страница 33: ...to be switched on in order to transfer data to a USB memory device System Interface Baud rate 1200 2400 4800 9600 19200 Baud rate of the USB Device interface System Interface Output format ASCII CSV...

Страница 34: ...y of measured values You can activate or switch off the automatic Stability control function see section 4 6 3 The measured parameter flashes on the display z as soon as the measured value is outside...

Страница 35: ...ensor data settings with More 30 09 2009 08 00 More 30 09 2009 08 00 Man temperature 25 C Resolution pH 0 001 Resolution mV 0 1 Buffer TEC Calibration interval 7d Unit for slope mV pH QSC 30 09 2009 0...

Страница 36: ...ement with several sensors connected to one Multi 3430 in one test sample Temperature measurement For reproducible pH measurements it is essential to measure the tem perature of the test sample IDS se...

Страница 37: ...activities according to section 4 6 1 2 Immerse the IDS pH sensor in the test sample 3 Select the pH or mV display with M 30 09 2009 08 00 Info 1 Freeze the measured value with AR The HOLD status indi...

Страница 38: ...Stability control function checks whether the measured values are stable within the monitored time interval The minimum duration until a measured value is assessed as stable is the monitored time inte...

Страница 39: ...u item Possible set ting Description Calibration Calibra tion record Displays the calibration record of the last calibration Calibration Buffer TEC NIST DIN ConCal Buffer sets to be used for pH calibr...

Страница 40: ...itial calibration with QSC buffers This menu item is only avail able as long as no initial cal ibration was carried out with the connected IDS sensor QSC Record of first calibration Displays the calib...

Страница 41: ...ation interval has expired Buffer sets for calibration You can use the buffer sets quoted in the table for an automatic calibra tion The pH values are valid for the specified temperature values The te...

Страница 42: ...02 10 013 25 C 11 Mettler Toledo EU 1 995 4 005 7 002 9 208 25 C 12 Fisher 1 2 007 4 002 7 004 10 002 25 C 13 Fluka BS 4 006 6 984 8 957 25 C 14 Radiometer 1 678 4 005 7 000 9 180 25 C 15 Baker 4 006...

Страница 43: ...02 10 013 25 C 11 Mettler Toledo EU 1 995 4 005 7 002 9 208 25 C 12 Fisher 1 2 007 4 002 7 004 10 002 25 C 13 Fluka BS 4 006 6 984 8 957 25 C 14 Radiometer 1 678 4 005 7 000 9 180 25 C 15 Baker 4 006...

Страница 44: ...buffers are selected in the menu pH MENU ENTER Calibra tion Buffer see page 39 19 Precisa 3 996 7 003 8 999 25 C 20 Reagecon TEC 2 000 4 010 7 000 10 000 25 C 21 Reagecon 20 2 000 4 000 7 000 10 000 1...

Страница 45: ...pting the current value Calibration record The new calibration values are displayed when a calibration procedure is completed Display calibration data and output to interface You can have the data of...

Страница 46: ...tion evaluation QSC see section 4 6 10 31 07 2009 15 55 Multi 3430 Ser no B211371282 CALIBRATIONpH 31 07 2009 16 13 33 SenTix 940 Ser no B211371282 AutoCal TEC Buffer 1 4 01 Buffer 2 7 00 Buffer 3 10...

Страница 47: ...olor scale flashes It is still possible to measure Note To ensure the high measuring accuracy of the measuring system cal ibrate after the calibration interval has expired Setting the calibration inte...

Страница 48: ...layed Apart from that the procedure is identical Note If single point calibration was set in the menu the calibration procedure is automatically finished with the measurement of buffer solution 1 and...

Страница 49: ...bration value with MENU ENTER The calibration display for the next buffer appears 6 If necessary finish the calibration procedure as a single point calibration with M The calibration record is display...

Страница 50: ...alibration display for the next buffer appears 11 Finish the calibration procedure as a two point calibration with M The calibration record is displayed 30 09 2009 08 00 30 09 2009 08 00 12 Thoroughly...

Страница 51: ...last buffer of a buffer set has been measured Then the calibration record is displayed Note The calibration line is determined by linear regression 15 Use M to finish the calibration The calibration r...

Страница 52: ...the buffer set se section 4 6 3 in the Buffer menu of the sensor menu Note If single point calibration was set in the menu the calibration procedure is automatically finished with the measurement of...

Страница 53: ...he measurement with stability control to be com pleted Set the nominal buffer value for the measured temperature with S T 7 Take over the calibration value for the asymmetry with MENU ENTER The calibr...

Страница 54: ...u Calibration Calibration data storage To open the Calibration menu press the MENU ENTER key in the measured value display 9 Thoroughly rinse the IDS pH sensor with distilled water 10 Immerse the IDS...

Страница 55: ...record to the interface with PRT z Output all calibration records to the interface with PRT_ z Quit the display with ESC or MENU ENTER z Switch directly to the measured value display with M 31 07 2009...

Страница 56: ...lid calibration is available back ground color Measured values in this range are suitable for documentation 2 Measuring range for which no valid calibration is available light gray Measured values in...

Страница 57: ...he QSC function promptly calls your attention to changes of the sensor Thus you can do what is necessary to restore the optimum measuring quality e g clean calibrate or replace the sensor Sensor evalu...

Страница 58: ...as enabled for an IDS sensor it is not possible to return to the sensor evaluation with the sensor symbol for this sensor Carrying out a QSC initial calibration Note Carry out the QSC initial calibrat...

Страница 59: ...ormal calibrations Carrying out a QSC control calibration 4 As soon as the three point calibration has been successfully carried out you can decide whether to accept or discard the cal ibration as the...

Страница 60: ...ent with several sensors connected to one Multi 3430 in one test sample Preparatory activities Perform the following preparatory activities when you want to measure 4 7 2 Measuring the ORP Note IDS OR...

Страница 61: ...onitored time interval The minimum duration until a measured value is assessed as stable is the monitored time interval The actual duration is mostly longer 3 Select the mV display with M 1 Freeze the...

Страница 62: ...suring settings of the ORP measurement To open the settings display the required measured parameter in the measured value display and press the MENU ENTER key After completing the settings switch to t...

Страница 63: ...sor Preparatory activities Perform the following preparatory activities when you want to measure 4 8 2 Measuring You can carry out conductivity measurements as follows 1 Connect an IDS conductivity se...

Страница 64: ...the HOLD function off Note If the HOLD function is active you can e g start a manual measure ment with stability control Stability control AutoRead The stability control function AutoRead continually...

Страница 65: ...tus indicator appears while the measured value is assessed as not stable A progress bar is displayed and the display of the measured parameter flashes The HOLD AR status indicator appears as soon as a...

Страница 66: ...3 000 K z No temperature compensation off Note The reference temperature and temperature compensation are set in the Measurement menu for the parameter conductivity see section 4 8 4 Application tips...

Страница 67: ...individually displayed for each sensor Below the setting menu is displayed for two IDS sensors TetraCon 925 LR325 01 Default settings are printed in bold Setting menu of TetraCon 925 Menu item Possib...

Страница 68: ...e measured parameters and Measurement Temp comp TC Linear coeff 0 000 2 000 3 000 K Coefficient of the linear tempera ture compensation This setting is only available when the linear temperature compe...

Страница 69: ...section 4 8 3 This setting is only available for the measured parame ters and Measurement Temp comp TC Linear coeff 0 000 2 000 3 000 K Coefficient of the linear tem perature compensation This setting...

Страница 70: ...he control standard 0 01 mol l KCl In the delivery condition the calibrated cell constant of the IDS sensor is set to 0 475 cm 1 conductivity measuring cell TetraCon 925 Stability control AutoRead In...

Страница 71: ...m 1 Eliminate the error according to chapter 6 WHAT TO DO IF 1 Connect an IDS conductivity sensor to the meter 2 In the measured value display select the conductivity parame ter with M 3 Start the cal...

Страница 72: ...cord To open it in the measured value display press the CAL_ key The calibration records of the last 10 calibrations are to be found in the menu Calibration Calibration data storage To open the Calibr...

Страница 73: ...ID number z Measured value of the connected sensor z Measured temperature value of the connected sensor z AutoRead info AR appears with the measured value if the Auto Read criterion was met while stor...

Страница 74: ...tinue storing Then you can e g transmit the stored data to a PC or a USB flash drive see section 4 9 3 and subsequently erase the storage see section 4 9 4 1 Press the STO key shortly The menu for man...

Страница 75: ...Automatic data storage 22 09 2009 08 00 Adjusted entire storage duration Max available storage duration Graphical display of the storage usage Menu item Possible setting Description ID number 1 10000...

Страница 76: ...following keys are active Softkeys M STO_ and On Off The other keys and the automatic switch off function are deactivated Terminating the automatic storage function prematurely Proceed as follows to s...

Страница 77: ...th the RCL or RCL_ key Note The settings are explained here using the manual storage as an exam ple The same settings and functions are available for the automatic storage Settings Menu item Setting f...

Страница 78: ...easurement data stor age Note All calibration data remains stored when this action is performed Menu item Setting func tion Description Manual data storage 200 3 of 64 30 09 2009 11 24 16 ID number 1...

Страница 79: ...Multi 3430 Operation 79 ba75865e02 12 2009 ESC 4 9 4 Erasing the measurement data storage How to erase the measurement data memory is described in section 4 9 3 EDITING THE MEASUREMENT DATA STORAGE...

Страница 80: ...ory device 4 10 3 Connecting the PC USB B interface USB Device Connect the Multi 3430 to the PC via the USB B interface Installation of the USB driver on the PC System requirements of the PC for insta...

Страница 81: ...interface USB Host of the Multi 3430 to a USB flash drive 4 Set the same transmission data at the connected instrument PC z Baud rate to be selected in the range 1200 19200 z Handshake RTS CTS z Set...

Страница 82: ...n records Data Control Operation description Current measured values of all connected sensors Manual z With PRT z Simultaneously with every manual storage process see section 4 9 1 Automatic at interv...

Страница 83: ...ttings for pH measurements are reset to the default settings with the Reset function The sensor settings are reset under the Reset menu item in the menu for calibration and measurement settings To ope...

Страница 84: ...with the Reset function The sensor settings are reset under the Reset menu item in the menu for calibration and measurement settings To open the settings display the required measured parameter in the...

Страница 85: ...settings are reset in the menu Storage config System Reset To open the Storage config menu press the MENU ENTER_ key in the measured value display Setting Default settings Language English Acoustic s...

Страница 86: ...Operation Multi 3430 86 ba75865e02 12 2009...

Страница 87: ...ing the rechargeable batteries CAUTION Make sure that the poles of the rechargeable batteries are posi tioned correctly The signs on the batteries must correspond to the signs in the battery compartme...

Страница 88: ...solvents Re move any splashes immediately 5 3 Packing This meter is sent out in a protective transport packing We recommend Keep the packing material The original packing pro tects the meter against d...

Страница 89: ...ause Remedy Batteries almost empty Charge the batteries see section 3 3 2 CONNECTING THE POWER PACK CHARGING THE BATTERIES Replace the batteries see section 5 1 MAINTENANCE Cause Remedy Operating cond...

Страница 90: ...dia phragm Cable broken Exchange IDS pH sensor Gel electrolyte dried out Exchange IDS pH sensor Cause Remedy IDS pH sensor The values determined for zero point and slope of the IDS pH sensor are outs...

Страница 91: ...essary Temperature not stable Adjust temperature if neces sary IDS pH sensor test sample Conductivity too low Use suitable IDS pH sensor Temperature too high Use suitable IDS pH sensor Organic liquids...

Страница 92: ...Error message Error Cause Remedy Measured value outside the measuring range Use suitable IDS conductiv ity sensor Cause Remedy IDS conductivity sensor contam inated Clean and if necessary exchange IDS...

Страница 93: ...ation 10 C 55 C Climatic class 2 Power supply Rechargeable batter ies 4 x 1 2 V NiMH rechargeable batteries type AA Operational life Approx 150 h USB interface device Type USB 1 1 USB B Device PC Baud...

Страница 94: ...tal device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This...

Страница 95: ...ion is also used when the measuring system is adjust ed at the same time see adjusting Electromotive force of an electrode The electromotive force U of the combination electrode is the measur able ele...

Страница 96: ...nt Reset Restoring the original condition of all settings of a measuring system Resolution Smallest difference between two measured values that can be dis played by a meter Slope The slope of a linear...

Страница 97: ...I Initial commissioning 19 21 Initialize 83 Interval for calibration 47 K Keys 8 M Measured value display 26 Measurement accuracy 47 Measurement data storage Edit 77 Erase 77 Storage locations 73 Meas...

Страница 98: ...12 2009 T Temperature compensation 66 Temperature measurement 63 pH 36 Three point calibration pH 50 Transmitting data 80 Transmitting measured values 80 Two point calibration pH 49 52 54 Z Zero point...

Страница 99: ...new software version see page 89 1 Install the downloaded firmware update on a PC An update folder is created in the Windows start menu If an update folder already exists for the meter or meter type...

Страница 100: ...Appendix Firmware update Multi 3430 100 ba75865e02 12 2009...

Страница 101: ......

Страница 102: ...Wissenschaftlich Technische Werkst tten GmbH Dr Karl Slevogt Stra e 1 D 82362 Weilheim Germany Tel 49 0 881 183 0 49 0 881 183 100 Fax 49 0 881 183 420 E Mail Info WTW com Internet http www WTW com...

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