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OPERATING MANUAL

ba77035e01 02/2014

pH 3310 IDS

DIGITAL METER FOR DIGITAL IDS-pH AND ORP SENSORS

USB output

25.0

7.92

°C

01.09.2011

08:37

Info

3310 IDS

Summary of Contents for pH 3310 IDS

Page 1: ...OPERATING MANUAL ba77035e01 02 2014 pH 3310 IDS DIGITAL METER FOR DIGITAL IDS pH AND ORP SENSORS USB output 25 0 7 92 C 01 09 2011 08 37 pH Info 3310 IDS ...

Page 2: ... 2014 WTW GmbH Reproduction in whole or even in part is prohibited without the express written permission of WTW GmbH Weilheim Printed in Germany The latest version of the present operating manual is avail able on the Internet under www WTW com ...

Page 3: ...nts for safe operation 10 2 2 3 Unauthorized use 10 3 Commissioning 11 3 1 Scope of delivery 11 3 2 Power supply 11 3 3 Initial commissioning 11 3 3 1 Inserting the batteries 12 4 Operation 13 4 1 General operating principles 13 4 1 1 Keypad 13 4 1 2 Display 14 4 1 3 Status information meter 14 4 1 4 Connectors 15 4 1 5 Sensor info 15 4 2 Switching on the meter 16 4 3 Switching off the meter 16 4 ...

Page 4: ...P calibration 40 7 Settings 41 7 1 pH measurement settings 41 7 1 1 Settings for pH measurements 41 7 1 2 Buffer sets for calibration 42 7 1 3 Calibration interval 44 7 2 ORP measurement settings 45 7 2 1 Settings for ORP measurements 45 7 3 Sensor independent settings 45 7 3 1 System 45 7 3 2 Data storage 46 7 3 3 Automatic Stability control 47 7 3 4 Automatic switch off function 47 7 3 5 Display...

Page 5: ... 57 10 Maintenance cleaning disposal 58 10 1 Maintenance 58 10 1 1 General maintenance activities 58 10 1 2 Replacing the batteries 58 10 2 Cleaning 59 10 3 Packing 59 10 4 Disposal 59 11 What to do if 60 11 1 pH 60 11 2 General information 61 12 Technical data 63 12 1 Measuring ranges resolution accuracy 63 12 2 General data 63 13 Firmware update 65 13 1 Firmware update for the meter pH 3310 IDS ...

Page 6: ...Contents pH 3310 IDS 6 ba77035e01 02 2014 ...

Page 7: ... IDS supports you in your work with the following functions Automatic sensor recognition Electronic access control Data transmission via the USB interface USB B 1 2 Sensors A measuring system ready to measure consists of the pH 3310 IDS meter and a suitable sensor Suitable sensors are WTW IDS pH and ORP sensors 1 Keypad 2 Display 3 Connectors Information on available IDS sensors is given on the In...

Page 8: ...IDS sensors allows to operate an IDS sensor with different meters without recalibrating to assign measurement data to an IDS sensor Measurement datasets are always stored and output with the sensor name and sensor series number 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 to hide menu...

Page 9: ...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...

Page 10: ...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 operating manual example Insertin...

Page 11: ...re MultiLab Importer 3 2 Power supply The pH 3310 IDS is supplied with power in the following ways Battery operation 4 batteries 1 5 V Mignon type AA USB operation via a connected USB B cable 3 3 Initial commissioning Perform the following activities Insert the supplied batteries Switch on the meter see section 4 2 SWITCHING ON THE METER page 16 Set the date and time see section 4 4 5 EXAMPLE 2 ON...

Page 12: ...n the battery compartment 1 on the underside of the meter 1 Screws 2 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 4 5 EXAMPLE 2 O...

Page 13: ...witches the meter 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 __ __ Menu control navigation Increments decrements va...

Page 14: ...tion 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 HOLD AR pH 4 3 2 5 6 7 8 1 0 14 7 007 25 0 C 01 02 2014 08 00 Info USB output ...

Page 15: ...o softkey 1 Digital sensors pH and ORP 2 USB B device interface 3 Service interface 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 with F1 Info 3 1 2 25 ...

Page 16: ...f The meter performs a self test 2 Connect the sensor The meter is ready to measure 1 Switch the printer off with On Off 25 0 7 007 pH C 0 14 More 01 02 2014 08 00 SenTix 940 B092500013 pH resolution 0 001 mV resolution 0 1 Buffer TEC Calibration interval 7d Unit for slope mV pH QSC off SenTix 940 B092500013 01 02 2014 08 00 Back 25 0 7 007 pH C 0 14 01 02 2014 08 00 Info USB output ...

Page 17: ...selection is dis played with a frame 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 Explanation Measuring The measurement data of the connected sensor are shown in the measured value display Calibration The course of a calibration with calibration information functions and settings is displayed Stori...

Page 18: ...ith ENTER Example Display the Calibration record function Messages Information is marked by the i symbol It cannot be selected Example Language Deutsch Audio signal off Illumination on Contrast 50 Shutoff time 1 h Temperature unit C Stability control on General 01 02 2014 08 00 Back Calibration record Calibration data storage Calibration interval 108 d pH 01 02 2014 08 00 Back Calibration record C...

Page 19: ...sing ENTER_ open the Storage config menu The instrument is in the setting mode 3 Select the System submenu with The current selection is displayed with a frame 4 Open the System submenu with ENTER 25 0 7 007 pH C 0 14 01 02 2014 08 00 Info USB output System Data storage Storage config 01 02 2014 08 00 Back General Interface Clock function Service information Reset System 01 02 2014 08 00 Back ...

Page 20: ...ibration date Identification of stored measured values 5 Select the General submenu with The current selection is displayed with a frame 6 Open the General submenu with ENTER 7 Open the setting mode for the Language with ENTER 8 Select the required language with 9 Confirm the setting with ENTER The meter switches to the measuring mode The selected language is active Language Deutsch Audio signal o...

Page 21: ...on menu with and ENTER The setting menu for the date and time opens up 3 Select and confirm the Time menu with and ENTER The hours are highlighted 4 Change and confirm the setting with and ENTER The minutes are highlighted 5 Change and confirm the setting with and ENTER The seconds are highlighted 6 Change and confirm the setting with and ENTER The time is set 7 If necessary set the Date and Date ...

Page 22: ...he stability range 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 7 3 3 AUTOMATIC STABILITY CON TROL page 47 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 with M 3 Adju...

Page 23: ...ally 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 data are output to the interface Measu...

Page 24: ...R PH MEASUREMENTS page 41 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 The settings for the temperature are selected in the menu for cali bration and measurement settings see section 7 1 1 SETTINGS...

Page 25: ...ty 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 point ...

Page 26: ...bility control to be completed 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 pH 0 0 24 8 C AutoCal TEC 7 000 01 07 2011 08 00 AR Buffer mV 16 Thoroughly rinse the sensor with d...

Page 27: ...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 automatically finished with the measurement of buffer solu tion 1 and the ...

Page 28: ...d 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 is displayed 9 Set the nominal buffer value for the measured temperature with pH 0 0 24 8 C ConCal 1 01 07 2011 0...

Page 29: ...ut temperature sensor Enter the temperature of the buffer with 15 Start the measurement with ENTER The measured value is checked for stability stability control The AR status indicator is displayed The measured parameter flashes 16 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 b...

Page 30: ... AR status indicator is displayed The measured parameter flashes 24 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 is displayed 25 Set the nominal buffer value for the measured temperature with 26 Accept the calibration value with ENTER The calibration display for...

Page 31: ...ibration data storage Display To open the Calibration menu press the ENTER key in the measured value display Calibration Determined values Displayed calibration data 1 point Asy Zero point Asy Slope Nernst slope 59 2 mV pH at 25 C 2 point Asy Slp Zero point Asy Slope Slp 3 point to 5 point Asy Slp Zero point Asy Slope Slp The calibration line is calculated by linear regression You can display the ...

Page 32: ...ugh the calibration records with Output the displayed calibration record to the interface with F2 USB Ausgabe Output all calibration records to the interface with F2__ USB Ausgabe Quit the display with F1 Zurück or ENTER Switch directly to the measured value display with M Calibration Calibration data stor age Output to RS232 USB Outputs the calibration data memory to the interface Display Calibra...

Page 33: ...nely graded calibration evaluation QSC see section 5 2 8 QSC FUNCTION SENSOR QUALITY CONTROL page 35 Display Calibration record Zero point mV Slope mV pH CALIBRATIONpH 01 02 2014 07 43 33 SenTix 940 Ser no B092500013 TEC Buffer 1 4 01 Buffer 2 7 00 Buffer 3 10 01 Voltage 1 184 0 mV 24 0 C Voltage 2 3 0 mV 24 0 C Voltage 3 177 0 mV 24 0 C Slope 60 2 mV pH Asymmetry 4 0 mV Sensor etc ...

Page 34: ...ue 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 covering this mea...

Page 35: ...fer 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 QSC scale...

Page 36: ...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 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 buffers of the QSC Kit is don...

Page 37: ...07 pH C 0 14 01 02 2014 08 00 Info USB output 1 Open the menu for measurement settings with ENTER 2 In the QSC menu select Control calibration with 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 ou...

Page 38: ...utomatic 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 7 3 3 AUTOMATIC STABILITY CON TROL page 47 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 measuring window is disp...

Page 39: ...R 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 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 meas...

Page 40: ...ture 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 check ORP electrodes by measuring the ORP of a test solution and comparing the value with the nominal value ...

Page 41: ...e section 7 1 2 BUFFER SETS FOR CALIBRATION page 42 and section 5 2 PH CALIBRATION page 24 Calibration Single point calibration yes no Quick calibration with 1 buffer Calibration Calibration 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...

Page 42: ...esolution of the mV display Reset Resets all sensor settings to the delivery condition see sec tion 7 4 1 RESETTING THE MEASUREMENT SETTINGS page 47 Menu item Possible setting Setting Explanation 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 01...

Page 43: ...208 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 ...

Page 44: ...ol or the QSC scale flashes It is still possible to measure Setting the calibra tion interval The calibration interval is set to 7 days in the factory 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 25 YSI 4 000 7 000 10 000 25 C The buffers are selected in...

Page 45: ...play After completing the settings switch to the measured value dis play with M Default settings are printed in bold 1 Open the menu for measurement settings with ENTER 2 In the Calibration Calibration interval menu set the calibration interval with 3 Confirm the setting with ENTER 4 Quit the menu with M Menu item Possible setting Explanation mV resolution 0 1 1 Resolution of the mV display Reset ...

Page 46: ... rate of the USB Device interface System Interface Out put format ASCII CSV Output format for data transmission For details see section 9 TRANSMITTING DATA USB INTERFACE page 56 System Interface Decimal separator Dot xx x Comma xx x Decimal separator System Interface Out put header Output of a header for Output format CSV System Clock function Date format Datum Time Settings of time and date For d...

Page 47: ...he automatic switchoff function switches off the meter if no key is pressed for an adjustable period The automatic switchoff function is not active if a USB B cable is connected if the Automatic data storage function is active or with automatic data trans mission 7 3 5 Display illumination The meter automatically switches off the display illumination if no key is pressed for 20 seconds The illumin...

Page 48: ...tion and measurement settings To open the settings display the required measured parameter in the measured value display and press the ENTER key 7 4 2 Resetting the system settings The following system settings can be reset to the default condition Setting Default settings Buffer TEC Calibration interval 7 d Unit for slope mV pH Measured parameter pH Unit for slope 0 001 mV resolution 0 1 Asymmetr...

Page 49: ...4 49 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 Shutoff time 1 h Temperature unit C Stability control on Setting Default settings ...

Page 50: ...me time output to the interface If the memory is full When all memory locations are occupied it is not possible to continue storing Then you can e g store the data from the memory to a PC see section 8 3 1 EDITING THE MEASUREMENT DATA MEMORY page 53 and subsequently erase the data memory see section 8 3 2 ERASING THE MEASUREMENT DATA MEMORY page 54 1 Press the STO key shortly The menu for manual d...

Page 51: ...raphical display of the memory usage ID number 1 Interval 30 s Duration 180 min continue 0d03h00min 0 1d17h33min Automatic data storage 1 2 3 01 02 2014 08 00 Back Menu item Possible setting Explanation 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 restricted by t...

Page 52: ...ows 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 following keys are active M STO_ and On Off The other keys and the automatic switch off function are deactivated 25 0 7 007 pH C 0 14 0d03h00min 1 2 01 02 2014 08 ...

Page 53: ...CL or RCL_ key Settings The settings are explained here using the manual data memory as an example The same settings and functions are available for the automatic data memory Menu item Setting function Explanation Data storage Manual data storage Display Displays all measurement datas ets page by page Further options Scroll through the datasets with Output the displayed dataset to the interface wi...

Page 54: ...measurement data memory Erasing the measurement data memory see section 8 3 1 EDITING THE MEASUREMENT DATA MEMORY page 53 Manual data storage 3 of 64 01 02 2014 07 43 33 ID number 1 SenTix 940 B092500013 pH 7 000 24 8 C AR Sensor 01 02 2014 08 00 Back USB output 01 02 2014 07 43 33 pH 3310 IDS Ser no 1135001 ID number 2 SenTix 940 Ser no B092500013 pH 6 012 24 8 C AR S ____________________________...

Page 55: ... AR appears with the measured value if the AutoRead crite rion was met while storing stable measured value Otherwise the AR dis play is missing Calibration evaluation 4 levels or no evaluation 8 3 4 Storage locations The pH 3310 IDS meter has two measurement data memories The measured values recorded either manually or automatic are stored separately in indi vidual measurement data memories Memory...

Page 56: ...tallation of the USB driver PC with at least one free USB connection and CD ROM drive Windows 2000 Windows XP Windows Vista or Windows 7 1 Output the current measurement data to the USB B interface with F2 USB Ausgabe 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 pH 3310 IDS ...

Page 57: ...set the transmission interval Simultaneously with every automatic data storage process see section 8 2 AUTOMATIC DATA STORAGE AT INTER VALS page 51 Stored mea sured values Manual Displayed dataset with F2 USB Ausgabe after calling up from the memory All datasets with the Output to RS232 USB function see section 8 3 1 EDITING THE MEA SUREMENT DATA MEMORY page 53 Calibration records Manual Calibrati...

Page 58: ... instruc tions on maintenance You can operate the meter either with normal batteries or with rechargeable batteries Ni MH In order to charge the batteries an external charging device is required 1 Unscrew the two screws 1 on the underside of the meter 2 Open the battery compartment 1 on the underside of the meter 1 Screws 2 Battery compartment CAUTION Make sure that the poles of the batteries are ...

Page 59: ...contact your supplier 3 Place four batteries type Mignon AA in the battery compartment 4 Close the battery compartment 2 and tighten the screws 1 5 Set the date and time see section 4 4 5 EXAMPLE 2 ON NAVIGATION SETTING THE DATE AND TIME page 20 Dispose of used batteries according to the local regulations of your country End users within the European Union are obligated to return used batteries ev...

Page 60: ...on Remove air bubble e g sway or stir the solution Air in the junction Extract air or moisten junction Cable broken Replace the sensor Gel electrolyte dried out Replace the 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 the junction Sensor broken Replace the sensor Buffer s...

Page 61: ...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 Sensor unsuitable Use suitable IDS sensor Temperature difference between buffer and test sample too great Adjust temperature of buffer or sam ple solutions Measurement procedure not suitable Follow ...

Page 62: ...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 displayed see section 4 1 5 SENSOR INFO page 15 ...

Page 63: ...tions Storage 25 C 65 C Operation 5 C 55 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 200 h The operational life is shorter is the display illumination is switched on permanently USB interface device Type USB 1 1 USB B Device PC Baud rate Adjustable 1200 2400 4800 9600 19200 B...

Page 64: ...Technical data pH 3310 IDS 64 ba77035e01 02 2014 Meter safety EC directive 2006 95 EC EN 61010 1 UL 61010 1 CAN CSA C22 2 61010 1 IP protection class EN 60529 ...

Page 65: ...RE VERSION IS IN THE METER OR IDS SENSOR PAGE 62 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 firmware update program for the meter 3 Using the USB interface cable connect the pH 33...

Page 66: ...OR IDS SENSOR PAGE 62 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 firmware update program for the IDS sensor 3 Connect the IDS sensor to the pH 3310 IDS meter 4 Using the USB int...

Page 67: ... activity 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 electri cal current remains constant ORP U The ORP is caused by oxidizing or reducing substances dissolved in water if these substances become effective on a...

Page 68: ...on of the numerical value and unit e g 3 m 0 5 s 5 2 A 373 15 K Molality 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 Stability control Au toRead Function to control the measured value stability Standard solution The standard solution is a solution where the measured value is known by defini...

Page 69: ... K Keys 13 M Measured value display 17 Measurement accuracy 44 Measurement data memory Edit 53 Erase 53 Storage locations 55 Measurement dataset 55 Measuring ORP 38 pH 22 Menu for calibration and measurement settings pH ORP 41 Menus navigation 17 Messages 18 P pH buffer sets 42 R Reset 47 S Scope of delivery 11 Single point calibration pH 25 29 Slope pH 24 Stability control Automatic 47 Manual 22 ...

Page 70: ...Index pH 3310 IDS 70 ba77035e01 02 2014 ...

Page 71: ......

Page 72: ...ater needs Developing new technologies that will improve the way water is used conserved and re used in the future is central to our work We move treat analyze and return water to the environment and we help people use water efficiently in their homes buildings factories and farms In more than 150 countries we have strong long standing relationships with customers who know us for our powerful comb...

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