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SCHOTT Instruments ProLab 2000 Operating Manual Download Page 41

ProLab 2000

Operation

41

ba75577e03

11/2009

4.5.4

Settings for pH and ORP measurements

Overview

The following settings are possible for pH and ORP measurements:

z

Resolution

z

Calibration interval

z

Buffers for calibration

z

Unit for zero point

z

Unit for slope

z

Calibration record

 (display)

Settings

The settings are made in the measuring menu of the pH/ORP 
measurement. To open it, activate the relevant measuring window in 
the measured value display and press 

<MENU/OK>

. After completing 

the settings, switch to the measured value display with 

<MODE>

.

Menu item

Possible setting

Description

Calibration

 /

Calibration record

-

Displays the calibration 
record of the last 
calibration.

Calibration

 /

Buffer

NIST/DIN
TEC
MERCK 1
MERCK 2
MERCK 3
DIN 19267
Mettler US
Mettler EU
Fisher 1
Fluka BS
Radiometer
Baker
Metrohm
Beckmann
Hamilton DC
Precisa

Buffer sets to be used for 
pH calibration.
For details, see page 43.

Calibration

 /

Calibration interval

1 ... 999 d

Calibration interval

 for the 

pH electrode (in days).
The meter reminds you to 
calibrate regularly by the 
flashing CalClock in the 
measuring window.

Calibration

 /

Unit for 

zero point

mV
pH

Unit for the zero point.

Summary of Contents for ProLab 2000

Page 1: ...ba75577e03 11 2009 DRAFT November 25 2009 2 33 pm ProLab 2000 Operating manual pH ISE conductivity D O meter with automatic sensor recognition and electronic access control MENU OK...

Page 2: ...cover components that are replaced during maintenance work e g batteries The warranty claim extends to restoring the meter to readiness for use but not however to any further claim for damages Improp...

Page 3: ...ctivity DO measuring instrument ProLab 2000 to which this declaration relates is in conformity with the specifications in the chapter Nous d clarons sous notre seule responsabilit que le produit Appar...

Page 4: ...ProLab 2000 4 ba75577e03 11 2009...

Page 5: ...example 1 Setting the language 25 4 2 4 Navigation example 2 Setting the date and time 27 4 3 Access control 29 4 3 1 Administrating access authorizations 29 4 3 2 Lost your electronic key 31 4 3 3 L...

Page 6: ...torage 84 4 9 4 Erasing the data storage 87 4 9 5 Displaying and downloading calibration records 87 4 10 Transmitting data to a PC or printer 89 4 10 1 RS232 interface 89 4 10 2 USB interface device 9...

Page 7: ...2 4 Dissolved oxygen 107 8 Lists 109 9 Index 115 Appendix 117 A 1 Firmware update 117 A 2 Menus 119 A 2 1 Data storage 119 A 2 2 Display 120 A 2 3 System 120 A 2 4 STO_ 121 A 2 5 pH U 121 A 2 6 ISE 1...

Page 8: ...Contents ProLab 2000 8 ba75577e03 11 2009...

Page 9: ...m degree of ease of use reliability and above all measuring certainty for all applications The proven calibration procedures and stability control function SC and the sensor recognition function suppo...

Page 10: ...MODE STO ESC PRINT CAL RCL On Off Switch the meter on off MODE MODE_ Select measured parameter Activate operation lock CAL CAL_ Call up calibration procedure Open menu for calibration data storage SC...

Page 11: ...illumination enables to read the display even in the darkness Decrement values scroll MENU OK MENU OK_ Confirm entries Open setting menu for system settings ESC Return to higher menu level Cancel inpu...

Page 12: ...at are not allowed SELV and current circuit with current limiting Nearly all commercial sensors especially SI Analytics sensors fulfill these requirements Connections 1 Conductivity measuring cell D O...

Page 13: ...sensor calibration data is always downloaded to the interface with the sensor type and sensor series number z the automatic activation of the cell constants for conductivity sensors To be able to use...

Page 14: ...sensor data to the meter z SENSOR ID Sensor type Sensor series number z Calibration data Calibration date Calibration characteristics Calibration interval Selected buffer set pH electrodes only The c...

Page 15: ...a contactless radio data connection and used as the USER ID The meter checks the access authorization for the USER ID Measurements with an electronic key are only possible if the USER ID is registere...

Page 16: ...Overview ProLab 2000 16 ba75577e03 11 2009...

Page 17: ...ndividual chapters of this operating manual use the following safety instruction to indicate various types of danger CAUTION indicates instructions that must be followed precisely in order to avoid th...

Page 18: ...rm environment the formation of condensate can lead to the faulty functioning of the meter In this event wait until the temperature of the meter reaches room temperature before putting the meter back...

Page 19: ...h USB driver z Operating manual 3 2 Power supply The power pack supplies the meter with low voltage 9 V DC The batteries are only used to buffer the system time if the power supply is interrupted CAUT...

Page 20: ...Perform the following activities z Insert the batteries see page 95 z Connect the power pack see page 19 z Switch on the meter see page 21 z Set the language see page 25 z Set the date and time see p...

Page 21: ...e or Place the electronic key on the read field and leave it there for approx 2 seconds until the key has been recognized The display shows the USER ID that was read 3 Confirm the displayed data with...

Page 22: ...22 and page 23 4 2 1 Operating modes The meter has the following operating modes z Measuring Measurement data of one to three sensors appears in the measured value display z Calibration The course of...

Page 23: ...s and dialogs contain further submenus The selection is made with the keys The current selection is displayed in a frame z Submenus The name of the submenu is displayed at the upper edge of the frame...

Page 24: ...ns are designated by the i symbol They cannot be selected Example Note The principles of navigation are explained in the two following sections by reference of examples z Setting the language see page...

Page 25: ...Open the system menu with MENU OK_ press for approx 2 s The meter is in the setting mode 3 Select the System submenu with The current selection is displayed in a frame 4 Open the System submenu with M...

Page 26: ...al submenu with MENU OK 7 Open the setting mode for the Language with MENU OK 8 Select the required language with 9 Confirm the setting with MENU OK The setting becomes active the next time the system...

Page 27: ...me at regular intervals Note After a drop of the voltage of the buffer batteries empty batteries the date and time are reset and have to be adjusted again Setting the date time and date format The dat...

Page 28: ...tting with and MENU OK 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 set the Date with and MENU OK 9 To make f...

Page 29: ...e administrator can set up erase and display access authorizations The administrating functions are available to the administrator immediately after registration only 1 When the meter is switched on S...

Page 30: ...ld The USER ID is displayed and registered 6 Use MENU OK to complete the registration 7 Using and MENU OK select and confirm the USER ID menu item 8 Using display the registered USER IDs individually...

Page 31: ...ock The activated lock prevents the inadvertent usage of the meter or registered USER ID during running operation The lock can only can only be released with the currently registered electronic key or...

Page 32: ...ed value display to meet your requirements When doing so you can display or hide the following elements z Individual measured parameters z Date indication in the status line z Time indication in the s...

Page 33: ...ff Display of the D O measuring window This menu item is only visible if a D O sensor is connected Display Time On Off Display of the time in the system status line Display Date On Off Display of the...

Page 34: ...g the settings switch to the measured value display with MODE Menu item Setting Description System General Language Deutsch English further Select the menu language System General Beep On Off Switch o...

Page 35: ...outside the allowed stability range z when you switch over between the measured parameters with MODE In this case the measured parameter flashes on the display System Interface Output format ASCII CS...

Page 36: ...he temperature by the temperature sensor NTC30 or Pt1000 integrated in electrode z Measurement by an external temperature sensor z Manual determination and input of the temperature The display of the...

Page 37: ...If the Stability control function is terminated prematurely the current measurement data is not downloaded to the interface 1 Perform the preparatory activities see page 36 2 Immerse the pH electrode...

Page 38: ...l measurement conditions the following applies 4 Using SC or MODE release the frozen measured value The SC status display disappears The display switches to the previous indication Measured parameter...

Page 39: ...can terminate prematurely the Stability control function with MENU OK manually at any time If the Stability control function is 1 Perform the preparatory activities see page 36 2 Immerse the ORP elec...

Page 40: ...d to the interface Criteria With identical measurement conditions the following applies 4 Using SC or MODE release the frozen measured value The SC status display disappears The display switches to th...

Page 41: ...r completing the settings switch to the measured value display with MODE Menu item Possible setting Description Calibration Calibration record Displays the calibration record of the last calibration C...

Page 42: ...100 Man temperature 20 130 C Entry of the manually determined temperature For measurements without temperature sensor only Reset Resets all sensor settings to the delivery condition see page 92 High r...

Page 43: ...has expired and flashes Buffer sets for calibration You can use the buffer sets quoted in the table for an automatic calibration The pH values are valid for the specified temperature values The tempe...

Page 44: ...er setting see page 41 8 Mettler Toledo TEC 1 995 4 005 7 002 9 208 25 C 9 Fisher 2 007 4 002 7 004 10 002 25 C 10 Fluka BS 4 006 6 984 8 957 25 C 11 Radiometer 1 678 4 005 7 000 9 180 25 C 12 Baker 4...

Page 45: ...ymbol first Then you can decide whether you want to take over these values of the new calibration or whether you want to continue measuring with the old calibration data After accepting the new calibr...

Page 46: ...record Printing date 26 04 06 16 13 ProLab 2000 Ser no 06249876 USER ID 1234567890 CALIBRATION pH Calibration date 20 04 06 10 14 03 A 161 1M DIN ID Ser no A062498765 USER ID 1234567890 Cal interval 7...

Page 47: ...ock flashes It is still possible to measure Note To ensure the high measuring accuracy of the measuring system calibrate after the calibration interval has expired Setting the calibration interval The...

Page 48: ...ured value display 2 Start the calibration with CAL The calibration display appears 3 Immerse the electrode in buffer solution 1 4 If the Set temperature menu item appears measure and enter the temper...

Page 49: ...e displayed as a message i You have the following options z Accept the new calibration values with MENU OK Subsequently the calibration record is displayed and downloaded to the interface at the same...

Page 50: ...n values with MENU OK Subsequently the calibration record is displayed and downloaded to the interface at the same time z To switch to the measured value display without accepting the new calibration...

Page 51: ...select the Terminate with menu item and confirm with MENU OK The calibration procedure is terminated The new calibration values are displayed as a message i You have the following options z Accept the...

Page 52: ...the following options to measure the temperature z Measurement of the temperature by the integrated temperature sensor of a simultaneously connected D O sensor or conductivity measuring cell in the t...

Page 53: ...splay of the measured parameter flashes until a stable measured value is available Independent of the setting for automatic Stability control see page 35 in the System menu you can start the Stability...

Page 54: ...ISE measurements z Calibration record display Settings The settings are made in the measuring menu of the ISE measurement To open it activate the relevant measuring window in the measured value displa...

Page 55: ...e two or three different standard solutions For three point calibration the standard solutions have to be selected in either increasing or decreasing order Note The measurement precision is also depen...

Page 56: ...hen finishing a calibration the new calibration values are displayed as an informative message i symbol first Then you can decide whether you want to take over these values of the new calibration or w...

Page 57: ...to the meter The pH mV ISE measuring window is displayed 2 Keep the standard solutions ready 3 Measure the temperature of the standard solutions using a thermometer 1 In the measured value display sel...

Page 58: ...asurement with Stability control or accept the calibration value with MENU OK The calibration display for the next standard solution appears i Standard 0 010 mg l i U 0 5 mV Terminate stability contro...

Page 59: ...tion value with MENU OK The calibration display for the next standard solution appears 21 For two point calibration select Exit with 2 point calibration with and confirm with MENU OK The calibration i...

Page 60: ...libration values with MENU OK Subsequently the calibration record is displayed and downloaded to the interface at the same time z To switch to the measured value display without accepting the new cali...

Page 61: ...vailable Temperature measurement The LF413T ID LFOx1400 ID and LF313T ID conductivity measuring cells have an integrated temperature sensor CAUTION When connecting an earthed PC printer measurements c...

Page 62: ...l The Stability control function checks the stability of the measurement signal The stability has a considerable impact on the reproducibility of measured values The display of the measured parameter...

Page 63: ...r identical measurement conditions the following applies 3 With MENU OK activate the Stability control function SC flashes while the stability control is active As soon as a stable measured value is r...

Page 64: ...nts of 0 000 3 000 K z No temperature compensation off Note The reference temperature and temperature compensation are set in the conductivity measuring menu see page 65 Application tips Select the fo...

Page 65: ...tch to the measured value display with MODE Menu item Possible setting Description Calibration Calibration interval 1 999 d Calibration interval for the measuring cell in days The meter reminds you to...

Page 66: ...ge 67 and page 106 The currently valid cell constant is displayed in the status line C0 01 Measuring cell with a nominal cell constant of 0 010 cm 1 The cell constant is permanently set LF313T Measuri...

Page 67: ...e 0 01 mol l KCl control standard or set it manually in the range 0 250 2 500 cm 1 or 0 090 0 110 cm 1 Besides the fixed cell constant 0 010 cm 1 can be selected In the delivery condition the calibrat...

Page 68: ...roLab 2000 Ser no 06249876 USER ID 1234567890 Calibration Cond Calibration date 20 04 06 10 14 03 LFOx1400 ID Ser no A062498765 USER ID 1234567890 Cal interval 150 d Cell constant 0 475 1 cm 25 0 C Se...

Page 69: ...etermine the cell constant starts 6 Wait for the end of the measurement with Stability control or accept the calibration value with MENU OK The determined cell constant is displayed as a message i i C...

Page 70: ...wing options z Accept the new calibration values with MENU OK Subsequently the calibration record is displayed and downloaded to the interface at the same time z To switch to the measured value displa...

Page 71: ...efore the instrument always measures in the measuring range with the highest possible resolution z Stability control to check the stability of the measurement signal This ensures the reproducibility o...

Page 72: ...t see page 74 Note The LFOx1400 ID double sensor can perform the salinity correction automatically The conductivity module of the sensor measures the salt content of the test sample simultaneously wit...

Page 73: ...e status line SC is displayed 3 With MENU OK activate the Stability control function SC flashes while the stability control is active As soon as a stable measured value is recognized the current measu...

Page 74: ...n days The meter reminds you to calibrate regularly by the flashing CalClock in the measuring window Calibration Comparison meas On Off Enables to adjust the measured value with the aid of a compariso...

Page 75: ...dures The ProLab 2000 provides 2 calibration procedures z Calibration in water vapor saturated air Use an air calibration vessel for calibration z Calibration via a comparison measurement e g Winkler...

Page 76: ...ion in water vapor saturated air air calibration vessel For this calibration procedure the Comparison meas setting must be set to Off in the measuring menu Proceed as follows to calibrate the meter No...

Page 77: ...sor type appears 5 Put the D O sensor into the air calibration vessel 6 Press MENU OK The measurement with stability control to determine the relative slope starts 7 Wait for the end of the measuremen...

Page 78: ...new calibration values with MENU OK Subsequently the calibration record is displayed and downloaded to the interface at the same time z To switch to the measured value display without accepting the n...

Page 79: ...ion factor with MENU OK 8 Using set the correction factor to adjust the displayed concentration value to the nominal value value of the comparison measurement Subsequently accept the correction factor...

Page 80: ...th series number z SENSOR ID Sensor designation Sensor series number z SAMPLE ID z Measured value of the connected sensor z Measured temperature value of the connected sensor z Info on stability contr...

Page 81: ...entire data storage confirm Yes z To cancel the storage process and switch to the measured value display confirm No Then you can e g transmit the stored data to a PC see page 84 and subsequently erase...

Page 82: ...30 s Duration 180 min Continue 00d03h00min 00d15h 34min STO_ Menu item Possible setting Description SAMPLE ID 1 999 Determine the sample designation for the series of datasets Interval 1 s 5 s 10 s 30...

Page 83: ...rm with MENU OK The meter switches to the measured value display The active automatic storage function can be recognized from the progress bar in the status line The progress bar indicates how much of...

Page 84: ...ate erasure function for the entire contents independent of the filter settings Editing the data storage The data storage is edited in the System Data storage menu In the measured value display open t...

Page 85: ...o the interface all measuring datasets that correspond to the filter settings The download takes place in ascending order of the storage location number The process can take several minutes To termina...

Page 86: ...ts within the specified period Until TT MM JJ SAMPLE ID 0 999 Selects all datasets with the specified SAMPLE ID 30 04 2006 11 24 16 1 ProLab 2000 06249876 USER ID 1234567890 A 161 1M BNC ID A062498765...

Page 87: ...all sensors connected and then download them to the interface Displaying the calibration record of a selected sensor The calibration record of the last calibration can be found under the Calibration...

Page 88: ...DE Data storage Calibration data storage Output to RS232 USB Outputs to the interface the calibration records of all sensors Printing date 26 04 06 16 13 ProLab 2000 Ser no 06249876 USER ID 1234567890...

Page 89: ...RS232 at the same time After connecting a meter to the USB socket the RS232 interface is inactive The RS232 interface is active if no meter is connected to the USB interface CAUTION The interfaces are...

Page 90: ...allation of the USB driver z PC with Pentium processor or higher with at least one free USB connection and CD ROM drive z Windows 2000 XP Vista RS 232 1 3 4 5 6 2 1 2 RxD 3 TxD 4 5 SGnd 6 CTS not used...

Page 91: ...anual storage process see page 81 automatic at intervals z With PRT_ Then you can set the transmission interval z Simultaneously with every automatic storage process see page 82 Stored measured values...

Page 92: ...rately from each other 4 11 1 Resetting the sensor settings Note The calibration data is reset to the default settings together with the measuring parameters Recalibrate after performing a reset pH Th...

Page 93: ...NU OK key Oxi The following settings for D O measurements are reset to the default settings with the Reset function Setting Default settings Cal interval 150 d Measured parameter Cell constant c 0 475...

Page 94: ...be reset to the delivery status The system settings are reset under the System Reset menu item in the system menu In the measured value display open the system menu with MENU OK_ Setting Default setti...

Page 95: ...cing the batteries 1 Using a screw driver unscrew the screws 2 of the lid of the battery compartment 2 Open the battery compartment 1 on the underside of the meter 3 Remove the four batteries from the...

Page 96: ...cloth Disinfect the housing with isopropanol as required CAUTION The housing components are made out of synthetic materials polyurethane ABS PMMA metal and glass Thus avoid contact of the synthetic m...

Page 97: ...ct air or moisten junction Cable broken Replace electrode Gel electrolyte dried out Replace electrode Cause Remedy No electrode connected Connect electrode Setting time during calibration too long Adj...

Page 98: ...brane contaminated Clean membrane Test sample pH value not stable Measure with air excluded if necessary Temperature not stable Adjust temperature if necessary Electrode test sample Conductivity too l...

Page 99: ...ange exceeded Dilute test sample Cause Remedy Electrode not connected Connect electrode Cable broken Replace electrode Cause Remedy ISE electrode Moisture in the plug Dry plug Electrode obsolete Repla...

Page 100: ...ration greater than 2 K Adjust the temperature of the test sample Cause Remedy Electrode voltage outside calibrated range Recalibrate Cause Remedy Measuring cell not connected Connect measuring cell C...

Page 101: ...rate probe Membrane contaminated Clean membrane Electrode system poisoned Regenerate probe Cause Remedy D O sensor Membrane damaged Exchange the membrane cap Membrane head screwed on not tight enough...

Page 102: ...dioxide pressure is too high 1 bar Measuring not possible Cause Remedy Cause Remedy Calibration interval expired Recalibrate the measuring system Cause Remedy Operating condition undefined or EMC load...

Page 103: ...59 Input 100 240 V 50 60 Hz 400 mA Output 9 V 1 5 A Connection max overvoltage category II Primary plugs contained in the scope of delivery Euro US UK and Australian Batteries to buffer the system clo...

Page 104: ...999 5 EC EN 300 330 2 EN 50364 EN 60950 1 Climatic class VDI VDE 3540 IP protection class EN 60529 Measuring ranges resolution Variable Measuring range Resolution pH 2 000 20 000 2 00 20 00 0 001 0 01...

Page 105: ...g ranges resolution Variable Measuring range Resolution S cm 0 000 2 000 0 00 20 00 0 0 200 0 0 2000 0 001 0 01 0 1 1 mS cm 0 00 20 00 0 0 200 0 0 2000 0 01 0 1 1 Specific resistance kOhm cm 0 000 2 0...

Page 106: ...110 cm 1 0 250 25 000 cm 1 Reference temperature Reference temperature Values Adjustable 20 C Tr20 25 C Tr25 Accuracy 1 digit Variable Accuracy Temperature of the test sample Temperature compensation...

Page 107: ...0 1 1 T C 0 50 0 0 1 Accuracy 1 digit Variable Accuracy D O concentration mg l 0 5 of measured value at ambient temperature 5 C 30 C Saturation 0 5 of measured value when measuring in the range of 10...

Page 108: ...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...

Page 109: ...ions that appear on the display and in the manual Specialist terms The glossary briefly explains the meaning of the specialist terms However terms that should already be familiar to the target group a...

Page 110: ...set d Day h Hour j Year Lin Linear temperature compensation LoBat Batteries almost empty Low battery m Month mV Voltage unit mV pH Unit of the electrode slope internat mV nLF Nonlinear temperature co...

Page 111: ...elative D O saturation Note The D O saturation value of air saturated water and the D O saturation value of oxygen saturated water are different Electrode zero point The zero point of a pH electrode i...

Page 112: ...ed value is converted to a conductivity value at a reference temperature of 20 C or 25 C Reset Restoring the original condition of all settings of a measuring system Resistance Short name for the elec...

Page 113: ...nts the slope value is adjusted to the temperature of the test sample but the measured value is not converted Temperature function Name of a mathematical function expressing the temperature behavior o...

Page 114: ...ck Merck KGaA Mettler Toledo Mettler Toledo Fisher Fisher Scientific Company Fluka Fluka AG Radiometer Radiometer Baker Mallinckrodt Baker Inc Metrohm Metrohm AG Beckman Beckman Instruments Inc Hamilt...

Page 115: ...play illumination 11 F Filter 86 Firmware update 117 I Initial commissioning 20 Initialize 92 ISE standard solutions 55 K Key functions 10 Keys 10 M Measured value display 23 Measured value memory Edi...

Page 116: ...ield 12 Stability control automatic 35 manual Conductivity 62 Dissolved oxygen 72 ISE 53 ORP 39 pH 37 Status line 11 Storage interval 82 System menu 32 General information 34 Sample display 32 T Tempe...

Page 117: ...m installation Program start Firmware update 1 With the installation program Install_Update_ProLab1000_2000_Vx_yy_English exe install the firmware update program on a PC 2 Start the Update_ProLab1000_...

Page 118: ...118 ba75577e03 11 2009 After switching the meter off and on you can check whether the meter has taken over the new software version 8 Disconnect the ProLab 2000 from the PC The ProLab 2000 is ready fo...

Page 119: ...ge RCL Display Output to RS232 USB Data filter Filter No filter Date SAMPLE ID SAMPLE ID Date From TT MM JJ Until TT MM JJ SAMPLE ID 0 999 Erase Automatic data storage RCL_ Display Output to RS232 USB...

Page 120: ...see page 120 Storage config MENU OK_ Data storage see page 119 Display see page 120 System General Language Deutsch English etc Beep On Off Illumination On Off Contrast 0 100 Measurement Temperature...

Page 121: ...min x min pH U MENU OK Calibration Calibration record Buffer NIST DIN TEC MERCK 1 MERCK 2 MERCK 3 DIN 19267 Mettler US Mettler EU Fisher 1 Fluka BS Radiometer Baker Metrohm Beckmann Hamilton DC Precis...

Page 122: ...tion Calibration record Calibration interval 1 999 d Reset Temp comp TC Reference temp 20 C 25 C Compensation nLF lin Off TDS factor 0 40 1 00 Measuring cell On Off cal C0 01 LF313T man Cell constant...

Page 123: ...ProLab 2000 123 ba75577e03 11 2009 Salinity 0 0 70 0...

Page 124: ...ProLab 2000 124 ba75577e03 11 2009...

Page 125: ...SI Analytics GmbH Postfach 2443 D 55014 Mainz Hattenbergstr 10 D 55122 Mainz Email support Telefon 49 0 61 31 66 5111 Telefax 49 0 61 31 66 5001 si analytics com Internet www si analytics com...

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