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Dissolved oxygen

Multi 9310

ba75937e03

12/2011

7.2

FDO

check procedure

7.2.1 Why should you check the sensor?

With the FDO

Check procedure, you can find out in a simple manner

whether the FDO

925 D.O. sensor should be cleaned or calibrated.

7.2.2 When should you check the sensor?

Checking can be useful in the following cases:

When the check interval has expired
(The [check] status indicator is displayed.)

If the measured values seem to be implausible

If you assume that the sensor cap is contaminated or at the end of its lifetime

After the sensor cap was exchanged

Routinely within the framework of the company quality assurance

7.2.3 Carrying out the FDO® check procedure

FDO

check

procedure

Check in water vapor-saturated air.
Use the check and storage beaker (FDO

Check) to carry out the FDO

check

procedure.

Stability control

(AutoRead)

In the FDO

check procedure, the Stability control function (AutoRead) is auto-

matically activated.

Proceed as follows to carry out the FDO

check procedure:

Connect the D.O. sensor to the meter.

Place the D.O. sensor in the check and storage beaker, FDO

Check.

The sponge in the check and storage beaker must be moist (not
wet). Leave the sensor in the check and storage beaker long
enough so it can adapt to the ambient temperature.

Start the FDO

check procedure in the measuring menu with

FDO

Check / Start FDO Check

The meter switches to the measured parameter, %.

Содержание Multi 9310

Страница 1: ...ba75937e03 12 2011 Multi 9310 Multi 9310P Operating manual Digital pH ORP D O conductivity meter for digital IDS sensors Multi 9310P Multi 9310 Printermodul ...

Страница 2: ...Multi 9310 2 ba75937e03 12 2011 Copyright Weilheim 2011 WTW GmbH Reproduction in whole or even in part is prohibited without the express written permission of WTW GmbH Weilheim Printed in Germany ...

Страница 3: ... operation 12 2 2 1 Authorized use 12 2 2 2 Requirements for safe operation 12 2 2 3 Unauthorized use 12 3 Commissioning 13 3 1 Scope of delivery 13 3 2 Power supply 13 3 3 Initial commissioning 13 3 3 1 Inserting the batteries 14 3 3 2 Connecting the power pack 15 3 3 3 Mounting the stand 15 4 Operation 16 4 1 General operating principles 16 4 1 1 Keypad 16 4 1 2 Display 17 4 1 3 Status informati...

Страница 4: ... 1 2 Measuring the temperature 46 6 2 ORP calibration 46 7 Dissolved oxygen 47 7 1 Measuring 47 7 1 1 Measuring D O 47 7 1 2 Measuring the temperature 49 7 2 FDO check procedure 50 7 2 1 Why should you check the sensor 50 7 2 2 When should you check the sensor 50 7 2 3 Carrying out the FDO check procedure 50 7 2 4 Evaluation 51 7 3 Calibration 51 7 3 1 Why calibrate 51 7 3 2 When to calibrate 52 7...

Страница 5: ...ment settings 72 9 6 2 Resetting the system settings 74 10 Data storage 75 10 1 Manual data storage 75 10 2 Automatic data storage at intervals 76 10 3 Measured value data storage 78 10 3 1 Editing the measured value data storage 78 10 3 2 Erasing the measurement data storage 79 10 3 3 Measurement dataset 79 10 3 4 Storage locations 80 11 Transmitting data USB interfaces 81 11 1 Outputting current...

Страница 6: ...4 What to do if 88 14 1 pH 88 14 2 Dissolved oxygen 89 14 3 Conductivity 90 14 4 General information 90 15 Technical data 92 15 1 Measuring ranges resolution accuracy 92 15 2 General data 92 16 Firmware update 94 16 1 Firmware update for the meter Multi 9310 94 16 2 Firmware Update for IDS Sensors 95 17 Glossary 96 18 Index 99 ...

Страница 7: ...surements quickly and reliably The Multi 9310 provides the maximum degree of operating comfort reliability and measuring certainty for all applications The Multi 9310 supports you in your work with the following functions z Automatic sensor recognition z CMC continuous measurement control z QSC sensor quality control z Electronic access control z Data transmission via the USB interface USB B 1 Key...

Страница 8: ...nsors and IDS D O sensors The information concerning the printer of the Multi 9310P is given in a separate chapter see section 12 PRINTER ONLY MULTI 9310P page 83 1 Keypad 2 Display 3 Socket field 4 Printer 5 Control panel of the printer Information on available IDS sensors and IDS adapters is given on the Internet and in the WTW catalog Laboratory and field instru mentation You can also operate n...

Страница 9: ...ouplings with which to fix the sensors to the meter Sensor data from IDS sensors IDS sensors transmit the following sensor data to the meter z SENSOR ID Sensor name Sensor series number z Calibration data z Measurement settings The calibration data are updated in the IDS sensor after each calibration proce dure A message is displayed while the data are being updated in the sensor In the measured v...

Страница 10: ...e always stored and output with the sensor name and sensor series number z to assign calibration data to an IDS sensor Calibration data and calibration history are always stored and output with the sensor name and sensor series number z to hide menus automatically that do not concern this sensor To be able to use the automatic sensor recognition a meter that supports the automatic sensor recogniti...

Страница 11: ...s might be damaged if the actions mentioned are not taken 2 1 2 Safety signs on the meter Note all labels information signs and safety symbols on the meter and in the battery compartment A warning symbol triangle without text refers to safety information in this operating manual 2 1 3 Further documents providing safety information The following documents provide additional information which you sh...

Страница 12: ...ation Note the following points for safe operation The meter may only be operated according to the authorized use specified above The meter may only be supplied with power by the energy sources mentioned in this operating manual The meter may only be operated under the environmental conditions mentioned in this operating manual The meter may only be opened if this is explicitly described in this o...

Страница 13: ...Lab Importer 3 2 Power supply The Multi 9310 is supplied with power in the following ways z Mains operation with the supplied power pack z Battery operation 4 batteries 1 5 V Mignon type AA z USB operation via a connected USB B cable 3 3 Initial commissioning Perform the following activities z Insert the supplied batteries z For mains operation Connect the power pack z If necessary mount the stand...

Страница 14: ...1 Open the battery compartment 1 on the underside of the meter 1 Battery compartment CAUTION Make sure that the poles of the batteries are positioned cor rectly The signs on the batteries must correspond to the signs in the battery compartment 2 Place four batteries type Mignon AA in the battery compartment 3 Close the battery compartment 1 4 Set the date and time see section 4 5 5 EXAMPLE 2 ON NA...

Страница 15: ...ltage at the operating site must lie within the input voltage range of the original power pack see section 15 2 GENERAL DATA page 92 CAUTION Use original power packs only see section 15 2 GENERAL DATA page 92 1 Connect the plug of the power pack to the socket for the power pack on the Multi 9310 2 Connect the original power pack to an easily accessible power outlet Prin term odul 1 2 ...

Страница 16: ...er on or off M Selects the measured parameter Quits the settings CAL CAL__ Calls up the calibration procedure Displays the calibration data STO STO__ Saves a measured value manually Opens the menu for the automatic save function RCL RCL__ Displays the manually stored measured values Displays the automatically stored measured values S S S S T T T T S S S S_ T T T T_ Menu control navigation Incremen...

Страница 17: ...l CMC function 5 Sensor symbol calibration evaluation calibration interval 6 Measured temperature with unit 7 Status information meter 8 Softkeys and date time AR Stability control AutoRead is active HOLD Measured value is frozen AR key Batteries are almost empty Data are automatically output to the USB B interface at intervals 3 2 1 4 5 6 8 HOLD AR 7 AutoCal TEC Info 01 07 2011 08 00 USB output ...

Страница 18: ...oftkey 1 Digital sensors pH ORP conductivity D O 2 USB B device interface 3 Service interface 4 Power pack CAUTION Only connect sensors to the meter that cannot return any volt ages or currents that are not allowed SELV and current circuit with current limiting WTW IDS sensors and IDS adapters meet these requirements 1 In the measured value display Display the sensor data sensor name series number...

Страница 19: ...on with On Off The meter performs a self test 2 Connect the sensor The meter is ready to measure More 01 07 2011 08 00 SenTix 940 B09250001 pH resolution 0 001 mV resolution 0 1 Buffer TEC Calibration interval 7d Unit for slope mV pH QSC off Software Version V 1 00 SenTix 940 B092500013 01 07 2011 08 00 Back Info 01 07 2011 08 00 USB output ...

Страница 20: ...sword is required for the login to the meter If the Password menu item is grayed out no password is required for the login If the user administration function is activated the Login dialog appears after the meter is switched on see section 4 4 LOGIN WITH A USER NAME page 20 The user administration function is not active in the delivery condi tion 1 Switch the meter off with On Off 1 Switch the met...

Страница 21: ... T T T T Go to the next digit of the password with F2 X When the password was completely entered confirm with ENTER The login takes place If a sensor is connected the measured value dis play appears 1 Switch the meter on with On Off The Login dialog appears 2 Using S S S S T T T T select the menu item User name and confirm with ENTER The user name is highlighted 3 Using S S S S T T T T select a us...

Страница 22: ...ion is made with the S S S S T T T T keys The current selection is dis played with a frame z Submenus The name of the submenu is displayed at the upper edge of the frame Sub menus are opened by confirming with ENTER Example Operating mode Description Measuring The measurement data of the connected sensor are shown in the measured value display Calibration The course of a calibration with calibrati...

Страница 23: ...nfirming with ENTER Example Display the Calibration record function z Messages Information is marked by the i symbol It cannot be selected Example General Interface Clock function Service information Reset System 01 07 2011 08 00 Back Language Deutsch Acoustic signal off Illumination on Contrast 12 Switchoff time 1 h Temperature unit C Stability control on General 01 07 2011 08 00 Back Calibration...

Страница 24: ...The instrument is in the setting mode 3 Select the System submenu with S S S S T T T T The current selection is displayed with a frame 4 Open the System submenu with ENTER Calibration record Calibration data storage Buffer TEC Single point calibration yes Calibration interval 7 d Unit for slope mV pH i 2 00 4 01 7 00 10 01 pH 01 07 2011 08 00 Back Info 01 07 2011 08 00 USB output System Data stora...

Страница 25: ...m the setting with ENTER The meter switches to the measuring mode The selected language is active General Interface Clock function Service information Reset System 01 07 2011 08 00 Back Language Deutsch Acoustic signal off Illumination on Contrast 50 Switchoff time 1 h Temperature unit C Stability control on General 01 07 2011 08 00 Back Language Deutsch Acoustic signal off Illumination on Contras...

Страница 26: ...an be switched from the display of day month year dd mm yy to the display of month day year mm dd yy or mm dd yy After a fall of the supply voltage empty batteries the date and time are reset to 01 05 2011 00 00 00 hours 1 In the measured value display Using ENTER__ open the Storage config menu The instrument is in the setting mode 2 Select and confirm the System Clock function menu with S S S S T...

Страница 27: ...T T T T and 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 To make further settings switch to the next higher menu level with F1 Back or Switch to the measured value display with M The instrument is in the measuring mode ...

Страница 28: ... outside the stability range z when the automatic Stability control is switched off You can start the Stability control manually at any time irrespective of the set ting for automatic Stability control see section 9 5 3 AUTOMATIC STABILITY CON TROL page 71 in the System menu 1 Connect the IDS pH sensor to the meter The pH measuring window is displayed 2 If necessary select the measured parameter w...

Страница 29: ...e the Stability control function manually The AR status 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 stable mea sured value is recognized The progress bar disappears and the display of the measured parameter stops flashing The current measurement d...

Страница 30: ...ectly selected see section 9 1 1 SETTINGS FOR PH MEASUREMENTS page 62 Use one to five buffer solutions of the selected buffer set in any order Below calibration with Technical buffers TEC is described When other buffer sets are used other nominal buffer values are displayed Apart from that the procedure is identical Temperature sensor Resolution of the temp display Temp measurement yes 0 1 C Autom...

Страница 31: ...tability stability control The AR status indicator is displayed The measured parameter flashes 8 Wait for the end of the measurement with stability control or accept the calibration value with ENTER The calibration display for the next buffer appears voltage display 9 If necessary finish the calibration procedure as a single point calibra tion with M The calibration record is displayed For single ...

Страница 32: ...mpleted or ter minate the stability control and take over the calibration value with ENTER The calibration display for the next buffer appears voltage display 15 If necessary finish the calibration procedure as a two point calibration with M The calibration record is displayed 01 07 2011 08 00 16 Thoroughly rinse the sensor with deionized water 17 Immerse the sensor in the next buffer solution 18 ...

Страница 33: ...ary use M to finish the calibration The calibration record is displayed or Switch to calibration with the next buffer with ENTER Calibration is automatically completed after the last buffer of a buf fer set has been measured Then the calibration record is dis played The calibration line is determined by linear regression If single point calibration was set in the menu the calibration proce dure is...

Страница 34: ...buffer manually and enter it with S S S S T T T T 7 Start the measurement with ENTER The measured value is checked for stability stability control The AR status indicator is displayed The measured parameter flashes 8 Wait for the measurement with stability control to be completed or ter minate the stability control and take over the calibration value with ENTER The pH value of the buffer solution ...

Страница 35: ...V pH at 25 C and determines the zero point of the IDS pH sensor 01 07 2011 08 00 12 Thoroughly rinse the sensor with deionized water 13 Immerse the pH sensor in buffer solution 2 14 When measuring without temperature sensor Measure the temperature of the buffer manually and enter it with S S S S T T T T 15 Start the measurement with ENTER The measured value is checked for stability stability contr...

Страница 36: ...08 00 20 Thoroughly rinse the sensor with deionized water 21 Immerse the sensor in the next buffer solution 22 When measuring without temperature sensor Measure the temperature of the buffer manually and enter it with S S S S T T T T 23 Start the measurement with ENTER The measured value is checked for stability stability control The AR status indicator is displayed The measured parameter flashes ...

Страница 37: ... to finish the calibration The calibration record is displayed or Continue calibrating using the next buffer with ENTER After the fifth buffer has been measured the calibration is automat ically finished Then the calibration record is displayed The calibration line is determined by linear regression Calibration Determined val ues Displayed calibration data 1 point Asy z Zero point Asy z Slope Nern...

Страница 38: ...red value display The calibration record is automatically transmitted to the interface after calibrating Menu item Setting func tion Description Calibration Calibration data stor age Display Displays the calibration records Further options z Scroll through the calibration records with S S S S T T T T z Output the displayed calibration record to the interface with F2 USB output z Output all calibra...

Страница 39: ...5 20 or 20 25 61 0 60 5 or 57 0 56 0 30 25 or 25 30 62 0 61 0 or 56 0 50 0 Clean the IDS sensor according to the sensor operating manual Error Error 30 or 30 62 0 or 50 0 Error elimination see section 14 WHAT TO DO IF page 88 For pH IDS sensors you can optionally enable a more finely graded calibration evaluation QSC see section 5 2 8 QSC FUNCTION SENSOR QUALITY CONTROL page 41 CALIBRATION pH Cali...

Страница 40: ...red pH value needle 2 Marking lines for all nominal buffer values used with the last valid cali bration 3 Measuring range for which a valid calibration is available Measured values in this range are suitable for documentation 4 Measuring range for which no valid calibration is available shaded Measured values in this range are not suitable for documentation Calibrate the meter with buffers coverin...

Страница 41: ...al QSC buffer solutions It covers the measuring range of the sensor pH 2 to pH 11 The QSC initial calibration determines the actual condi tion of the sensor and stores it as a reference in the sensor To meet the high requirements of a QSC initial calibration the QSC initial cali bration should optimally be carried out with the initial commissioning of the sensor 1 QSC scale The double arrow on the...

Страница 42: ...return to the sensor evaluation with the sensor symbol for this sensor 1 Open the menu for measurement settings with ENTER 2 In the QSC menu select First calibration with S S S S T T T T The calibration display appears AutoCal QSC Kit is displayed as the buffer Exclusively use the QSC Kit for the QSC calibration If you use other buffers you will have no valid QSC calibration 3 Calibration with the...

Страница 43: ...1 07 2011 08 00 USB output 1 Open the menu for measurement settings with ENTER 2 In the QSC menu select Control calibration with S S S S T T T T The calibration display appears AutoCal QSC Kit is displayed as the buffer Exclusively use the QSC Kit for the QSC calibration If you use other buffers you will have no valid QSC control calibration 3 Follow the user guide The calibration is carried out l...

Страница 44: ...ty range z when the automatic Stability control is switched off You can start the Stability control manually at any time irrespective of the set ting for automatic Stability control see section 9 5 3 AUTOMATIC STABILITY CON TROL page 71 in the System menu IDS ORP sensors are not calibrated However you can check IDS ORP sensors using a test solution 1 Connect the ORP sensor to the meter The ORP mea...

Страница 45: ...he HOLD AR status indicator appears as soon as a stable mea sured value is recognized The progress bar disappears and the display of the measured parameter stops flashing The current measurement data is output to the interface Measurement data meeting the stability control criterion is marked by AR You can prematurely terminate the Stability control function manu ally with ENTER at any time If the...

Страница 46: ...uring instrument recognizes whether a suitable sensor is connected and automatically switches on the temperature measurement The display of the temperature indicates the active temperature measuring mode 6 2 ORP calibration Temperature sensor Resolution of the temp display Temp measurement yes 0 1 C Automatic with temperature sensor 1 C Manual ORP electrodes are not calibrated You can however chec...

Страница 47: ...When measuring the concentration of solutions with a salt content of more than 1 g l a salinity correction is required For this you have to measure and input the salinity of the measured medium first When the salinity correction is switched on the Sal indicator is displayed in the measuring screen 1 Connect the D O sensor to the meter The D O measuring screen is displayed 2 If necessary select the...

Страница 48: ... indicator is displayed The HOLD function is active You can terminate the Stability control function and the HOLD func tion with AR or M at any time 2 Using ENTER activate the Stability control function manually The AR status indicator appears while the measured value is assessed as not stable A progress bar is displayed and the display of the mea sured parameter flashes The HOLD AR status indicat...

Страница 49: ...l duration is mostly longer 7 1 2 Measuring the temperature For reproducible D O measurements it is essential to measure the tempera ture of the test sample IDS D O sensors measure the temperature with a temperature sensor inte grated in the IDS sensor Measured parame ter Time interval Stability in the time interval D O concentration 20 seconds better than 0 03 mg l D O saturation 20 seconds bette...

Страница 50: ...mework of the company quality assurance 7 2 3 Carrying out the FDO check procedure FDO check procedure Check in water vapor saturated air Use the check and storage beaker FDO Check to carry out the FDO check procedure Stability control AutoRead In the FDO check procedure the Stability control function AutoRead is auto matically activated Proceed as follows to carry out the FDO check procedure 1 Co...

Страница 51: ...tion is 100 Therefore the validity scope is 98 102 The check resulted in a measured value of 99 3 The measurement error is within the specified validity scope No cleaning or user calibration is required 7 3 Calibration 7 3 1 Why calibrate D O sensors age This changes the slope of the D O sensor Calibration deter mines the current slope of the sensor and stores this value in the instrument 4 Start ...

Страница 52: ...rement by a correction factor When the correction factor is active the Factor indicator appears in the measuring screen 7 3 4 Calibration in water vapor saturated air Use the check and storage beaker FDO Check to calibrate the FDO 925 sensor Proceed as follows to calibrate the D O sensor The FDO 925 D O sensor ages so little it does not have to be reg ularly calibrated To detect changes of the sen...

Страница 53: ...R status indicator is displayed The measured parameter flashes 5 Wait for the end of the AutoRead measurement HOLD AR status indi cator The calibration record is displayed and output to the interface 6 Switch to the measured value display with ENTER Before calibrating via a comparison measurement the sensor should be calibrated in the air calibration vessel 1 Connect the D O sensor to the measurin...

Страница 54: ...urement with ENTER The measured value is checked for stability stability control The AR status indicator is displayed The measured parameter flashes 5 Wait for the end of the AutoRead measurement or accept the calibration value with ENTER The factor that was set last is displayed 6 Using set the correction factor to adjust the displayed con centration value to the nominal value value of the compar...

Страница 55: ...S T T T T z Output the displayed calibra tion record to the interface with F2 USB output z Output all calibration records to the interface with F2__ USB output z Quit the display with F1 Back or ENTER z Switch directly to the mea sured value display with M Calibration Calibration data stor age Output to RS232 USB Outputs the calibration data stor age to the interface Display Calibration record Rel...

Страница 56: ...tor is set in the menu for the parameter TDS Stability control AutoRead HOLD function The stability control function AutoRead continually checks the stability of the measurement signal The stability has a considerable impact on the reproduc ibility of measured values The measured parameter flashes on the display z as soon as the measured value is outside the stability range z when the automatic St...

Страница 57: ...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 stable mea sured value is recognized The progress bar disappears and the display of the measured parameter stops flashing The current measurement data is output to the interface Measurement data meeting the stability cont...

Страница 58: ...justable coefficients of 0 000 3 000 K z z z z No temperature compensation off Application tips Select the following temperature compensations given in the table according to the respective test sample The reference temperature and temperature compensation are set in the menu for the parameter conductivity see section 9 4 1 SET TINGS FOR IDS CONDUCTIVITY SENSORS page 68 Test sample Temperature com...

Страница 59: ...d 8 3 3 Determining the cell constant calibration in control standard You can determine the actual cell constant of the IDS conductivity sensor by calibrating with the control standard in the following range z 0 450 0 500 cm 1 e g TetraCon 925 nominal cell constant 0 475 cm 1 The cell constant is determined in the control standard 0 01 mol l KCl In the delivery condition the calibrated cell consta...

Страница 60: ...To open the Calibration menu press the ENTER key in the measured value display 4 Immerse the conductivity sensor in the control standard solution 0 01 mol l KCI 5 Start the measurement with ENTER The measured value is checked for stability stability control The AR status indicator is displayed The measured parameter flashes 6 Wait for the end of the measurement with stability control HOLD AR statu...

Страница 61: ...utput the displayed calibration record to the interface with F2 USB output z Output all calibration records to the interface with F2__ USB out put z Quit the display with F1 Back or ENTER z Switch directly to the measured value display with M Calibration Calibration data storage Output to RS232 USB Outputs the calibration data storage to the interface Display Calibration record Cell constant cm 1 ...

Страница 62: ... section 9 1 2 BUFFER SETS FOR CALIBRATION page 63 and section 5 2 PH CALIBRATION page 30 Calibration Single point calibration yes no Quick calibration with 1 buffer Calibration Calibra tion interval 1 7 999 d Calibration interval for the IDS pH sensor in days The meter reminds you to calibrate regularly by the flashing sensor symbol in the measuring screen Calibration Unit for slope mV pH Unit of...

Страница 63: ... 1 1 Resolution of the mV display Reset Resets all sensor settings to the delivery condition see sec tion 9 6 1 RESETTING THE MEASUREMENT SETTINGS page 72 Menu item Possible setting Description No Buffer set pH values at 1 ConCal Any Any 2 NIST DIN DIN buffers according to DIN 19266 and NIST Traceable Buffers 1 679 4 006 6 865 9 180 12 454 25 C 3 TEC WTW Technical buffers 2 000 4 010 7 000 10 011 ...

Страница 64: ...08 25 C 12 Fisher 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 6 991 10 008 25 C 16 Metrohm 3 996 7 003 8 999 25 C 17 Beckman 4 005 7 005 10 013 25 C 18 Hamilton Duracal 4 005 7 002 10 013 25 C 19 Precisa 3 996 7 003 8 999 25 C 20 Reagecon TEC 2 000 4 010 7 000 10 000 25 C No Buffer set pH values at ...

Страница 65: ...ation interval The calibration interval is set to 7 days in the factory You can change the interval 1 999 days 21 Reagecon 20 2 000 4 000 7 000 10 000 13 000 20 C 22 Reagecon 25 2 000 4 000 7 000 10 000 13 000 25 C 23 Riedel de Haen 2 000 4 000 7 000 10 000 20 C 24 USABlueBook 4 000 7 000 10 000 25 C The buffers are selected in the menu pH ENTER Calibration Buffer see section 9 1 1 SETTINGS FOR PH...

Страница 66: ...pen the settings display the required measured parameter in the measured value display and press the ENTER key After completing the set tings switch to the measured value display with M Default settings are printed in bold 3 Confirm the setting with ENTER 4 Quit the menu with M Menu item Possible setting Description mV resolution 0 1 1 Resolution of the mV display Reset Resets all sensor settings ...

Страница 67: ... check the sensor regularly by FDO Check status indicator in the measuring screen Sal correction on off Manual salt content correction for con centration measurements Salinity 0 0 70 0 Salinity or salinity equivalent for the salt content correction This menu item is only available if the manual salt content correction is switched on Response time t90 30 300 s Response time of the signal filter in ...

Страница 68: ...stor age Display Displays the last calibration records max 10 Calibration Calibration data storage Output to RS232 USB Outputs the calibration data storage to the interface Calibration Cali bration interval 1 150 999 d Calibration interval for the IDS con ductivity sensor in days The meter reminds you to calibrate regularly by the flashing sensor sym bol in the measuring screen Type Used measuring...

Страница 69: ...u item Possible setting Description Cell constant 0 090 0 100 0 110 cm 1 Display and setting options for the cell constant Temp comp TC Method nLF Lin off Procedure for temperature compen sation see section 8 2 TEMPERA TURE COMPENSATION page 58 This setting is only available for the measured parameters ϰ and ρ Temp comp TC Linear coeff 0 000 2 000 3 000 K Coefficient of the linear temperature comp...

Страница 70: ...rees Celsius or degrees Fahrenheit All temperature values are displayed with the selected unit System General Stability con trol on off Switches on or off the automatic stability control during measurement see sec tion 9 5 3 AUTOMATIC STABILITY CON TROL page 71 System Interface Baud rate 1200 2400 4800 9600 19200 Baud rate of the USB Device interface System Interface Output format ASCII CSV Output...

Страница 71: ...ontrol is switched off 9 5 4 Automatic switch off function The instrument has an automatic switch off function in order to save the batteries see section 9 5 1 SYSTEM page 70 The automatic switchoff function switches off the meter if no key is pressed for an adjustable period The automatic switchoff function is not active z if the power pack is connected z if a USB B cable is connected z if the Au...

Страница 72: ... following settings 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 cali bration and measurement settings To open the settings display the required measured parameter in the measured value display and press the ENTER key The calibration data are reset to the default settings together with the meas...

Страница 73: ...To open the settings display the required measured parameter in the measured value display and press the ENTER key Conductivity The following settings for conductivity measurements are reset to the default settings with the Reset function Setting Default settings mV resolution 0 1 Man temperature 25 C Setting Default settings Calibration interval 180 d Check interval 60 d Measured parameter D O co...

Страница 74: ...y 9 6 2 Resetting the system settings The following system settings can be reset to the default condition The system settings are reset in the menu Storage config System Reset To open the Storage config menu press the ENTER__ key in the measured value display Setting Default settings Language English Acoustic signal on Baud rate 4800 Baud Output format ASCII Decimal separator Contrast 50 Illuminat...

Страница 75: ... time output to the interface If the data storage is full When all data storage locations are occupied it is not possible to continue stor ing Then you can e g transmit the stored data to a PC see section 10 3 1 EDITING THE MEASURED VALUE DATA STORAGE page 78 and subsequently erase the data storage see section 10 3 2 ERASING THE MEASUREMENT DATA STOR AGE page 79 1 Press the STO key shortly The men...

Страница 76: ...on 3 Graphical display of the data storage usage ID number 1 Interval 30 s Duration 180 min continue 0d03h00min 0 1d17h33min Automatic data storage 1 2 3 01 07 2011 08 00 Back Menu item Possible setting Description ID number 1 10000 ID number for the dataset series Interval 1 s 5 s 10 s 30 s 1 min 5 min 10 min 15 min 30 min 60 min Storage interval The lower limit of the storage interval can be res...

Страница 77: ...y Proceed as follows to switch off the automatic data storage function before the adjusted storage duration has expired 1 Remaining storage duration 2 Graphical display of the storage duration If the automatic data storage function is activated only the follow ing keys are active M STO__ and On Off The other keys and the automatic switch off function are deactivated 0d03h00min 1 2 01 07 2011 08 00...

Страница 78: ... RCL or RCL__ key Settings The settings are explained here using the manual data storage as an example The same settings and functions are available for the automatic data storage Menu item Setting function Description Data storage Manual data storage Display Displays all measurement datasets page by page Further options z Scroll through the datasets with S S S S T T T T z Output the displayed dat...

Страница 79: ...ion 10 3 1 EDITING THE MEASURED VALUE DATA STORAGE page 78 10 3 3 Measurement dataset A complete dataset includes z Date time z Meter name series number z Sensor name series number Manual data storage 3 of 64 01 07 2011 07 43 33 ID number 1 SenTix 940 B20234008565 pH 7 000 24 8 C AR Sensor 01 07 2011 08 00 Back USB output 01 07 2011 07 43 33 inoLab Multi 9310 Ser no 09250023 ID number 2 SenTix 940...

Страница 80: ...et while storing stable measured value Otherwise the AR dis play is missing z Calibration evaluation 4 levels or no evaluation or QSC percentage 10 3 4 Storage locations The Multi 9310 meter has two measurement data storages The measured values recorded either manually or automatic are stored separately in indi vidual measurement data storages Data storage Maximum number of datasets Manual data st...

Страница 81: ...tallation of the USB driver z PC with at least one free USB connection and CD ROM drive z Windows 2000 Windows XP Windows Vista or Windows 7 1 Output the current measurement data to the USB B interface with F2 USB output 1 Insert the supplied installation CD in the CD drive of your PC 2 Install the driver from the CD Follow the Windows installation instructions as necessary 3 Connect the Multi 931...

Страница 82: ...taneously with every auto matic storage process see section 10 2 AUTOMATIC DATA STORAGE AT INTERVALS page 76 Stored mea sured values manual z Displayed dataset with F2 USB output after calling up from the data storage z All datasets with the Output to RS232 USB function see section 10 3 1 EDITING THE MEASURED VALUE DATA STORAGE page 78 Calibration records manual z Calibration record with F2 USB ou...

Страница 83: ... keys ON FEED and OFF 3 Lever to open the paper compartment 4 Lid of the paper compartment 2 1 3 4 1 Connect the power pack to the Multi 9310 P The LED lights up green The printer is ready for operation or If the printer was switched off LED flashing Switch on the printer with OFF The LED lights up green The printer is ready for operation If there is a USB connection such as to a PC the data are o...

Страница 84: ...e 12 4 1 Changing the roll of paper Menu item Possible set ting Description System Printer Font size 12x20 8x16 7x16 Select the font size for the printer A print sample character set of the printer to view the available font sizes can be printed with OFF_ System Printer Print test page The printer prints the meter informa tion from the System Service infor mation menu The current printer settings ...

Страница 85: ...D illuminated No power pack connected Connect the power pack USB cable connected Disconnect the USB cable from the meter Function automatic storing at intervals with long intervals is switched on Switch off the function see section 10 2 AUTOMATIC DATA STORAGE AT INTERVALS page 76 No paper available Insert a roll of paper Cause Remedy Paper inserted the wrong way up Turn the roll of paper around an...

Страница 86: ...h normal batteries or with rechargeable batteries Ni MH In order to charge the batteries an external charging device is required 1 Open the battery compartment 1 on the underside of the meter 1 Battery compartment CAUTION Make sure that the poles of the batteries are positioned cor rectly The signs on the batteries must correspond to the signs in the battery compartment 2 Place four batteries type...

Страница 87: ...r must be returned to the disposal or return system statutory in your country If you have any questions please contact your supplier Dispose of used batteries according to the local regulations of your country End users within the European Union are obligated to return used batteries even ecologically compatible ones to a collection point set up for recycling purposes Batteries are marked with the...

Страница 88: ...the junction Extract air or moisten junction 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 outside the allowed limits Recalibrate Junction contaminated Clean junction IDS pH sensor broken Exchange IDS pH sensor Buffer solutions The used buffer solutions do not a...

Страница 89: ...erature not stable Adjust temperature if necessary IDS pH sensor test sample Conductivity too low Use suitable IDS pH sensor Temperature too high Use suitable IDS pH sensor Organic liquids Use suitable IDS pH sensor Cause Remedy IDS pH sensor IDS pH sensor unsuitable Use suitable IDS sensor Temperature difference between buffer and test sample too great Adjust temperature of buffer or sam ple solu...

Страница 90: ...tside the operating conditions display of OFL UFL instead of a temperature value Keep to the temperature range for the test sample Defective sensor Replace sensor More information and instructions on cleaning and exchange of sensors are given in the documentation of your sensor Cause Remedy Measured value outside the measuring range Use suitable IDS conductivity sensor Cause Remedy Sensor contamin...

Страница 91: ...MAINTENANCE page 86 Cause Remedy Operating condition undefined or EMC load unallowed Processor reset Press the ENTER and On Off key simultaneously Cause Remedy E g a question by the service department Switch on the meter Open the menu ENTER__ Stor age config System Service infor mation The instrument data are displayed or Connect the sensor Press softkey F1 Info F1 More The sensor data are display...

Страница 92: ...g Mechanical structure Type of protection IP 43 Electrical safety Protective class III Test certificates CE cETLus Ambient conditions Storage 25 C 65 C Operation 5 C 55 C With the power pack connected 5 C 40 C Admissible relative humidity Yearly mean 75 30 days year 95 Other days 85 Power supply Batteries 4 x 1 5 V alkali manganese batteries type AA Operational life Approx 150 h Power pack Kuantec...

Страница 93: ...omply with the limits for a Class A digital 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 equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interf...

Страница 94: ...WARE VERSION IS IN THE METER OR IDS SENSOR PAGE 91 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 the new data are displayed there 2 In the windows start menu open the update folder and start the firm ware update program for the meter 3 Using the USB interface cable connect the Mu...

Страница 95: ...R OR IDS SENSOR PAGE 91 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 sensor or sensor type the new data are displayed there 2 In the windows start menu open the update folder and start the firm ware update program for the IDS sensor 3 Connect the IDS sensor to the Multi 9310 meter 4 Using the USB i...

Страница 96: ...ctivity divided by the unit of the molality The practical pH value is the value of a pH measurement Potentiometry Name of a measuring technique The signal depending on the mea sured parameter of the electrode is the electrical potential The elec trical current remains constant Slope The slope of a linear calibration function Zero point The zero point of a pH combination electrode is the pH value a...

Страница 97: ...le but the measured value is not converted α TRef Meas 1 1 a T TRef D O partial pressure Pressure caused by the oxygen in a gas mixture or liquid D O saturation Short name for the relative D O saturation OxiCal WTW name for a procedure to calibrate D O measuring systems in water vapor saturated air Salinity The absolute salinity SA of seawater corresponds to the relationship of the mass of dissolv...

Страница 98: ...ality Molality is the quantity in Mol of a dissolved substance in 1000 g sol vent 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 Stability control AutoRead Function to control the measured value stability Standard solution The standard solution is a solution where the measured...

Страница 99: ...ngs 74 Display 17 F FDO Check 50 Firmware update 94 I Initial commissioning 13 Initialize 72 Interval for calibration 65 K Keys 16 M Measured value display 22 Measurement accuracy 65 Measurement data storage Edit 78 Erase 78 Storage locations 80 Measurement dataset 79 Measuring Conductivity 56 O2 47 ORP 44 pH 28 Menu for calibration and measurement settings Conductivity 68 O2 66 pH ORP 62 Menus na...

Страница 100: ...12 2011 Temperature measurement Conductivity 57 O2 49 pH 29 46 Three point calibration pH 32 36 Transmitting data 81 automatic 82 manual 82 Transmitting measured values 81 Two point calibration pH 31 35 Z Zero point of pH electrode 30 ...

Страница 101: ......

Страница 102: ...Wissenschaftlich Technische Werkstätten GmbH Dr Karl Slevogt Straße 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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