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Contents

pH/Cond 3320

ba77054d01

02/2014

5.1

Measuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5.1.1

Measuring the pH value . . . . . . . . . . . . . . . . . . . 21

5.1.2

Measuring the temperature. . . . . . . . . . . . . . . . . 23

5.2

Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
5.2.1

Why calibrate? . . . . . . . . . . . . . . . . . . . . . . . . . . 24

5.2.2

When do you have to calibrate? . . . . . . . . . . . . . 24

5.2.3

Automatic calibration (AutoCal) . . . . . . . . . . . . . 24

5.2.4

Manual calibration (ConCal) . . . . . . . . . . . . . . . . 27

5.2.5

Calibration points . . . . . . . . . . . . . . . . . . . . . . . . 30

5.2.6

Calibration data. . . . . . . . . . . . . . . . . . . . . . . . . . 31

5.2.7

Continuous measurement control (CMC
function)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

ORP voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

6.1

Measuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
6.1.1

Measuring the ORP . . . . . . . . . . . . . . . . . . . . . . 35

6.1.2

Measuring the temperature. . . . . . . . . . . . . . . . . 37

6.2

ORP calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Conductivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

7.1

Measuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
7.1.1

Measuring the conductivity . . . . . . . . . . . . . . . . . 38

7.1.2

Measuring the temperature. . . . . . . . . . . . . . . . . 40

7.2

Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
7.2.1

Why calibrate? . . . . . . . . . . . . . . . . . . . . . . . . . . 40

7.2.2

When to calibrate? . . . . . . . . . . . . . . . . . . . . . . . 40

7.2.3

Determining the cell constant (calibration in control
standard)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

7.2.4

Calibration data. . . . . . . . . . . . . . . . . . . . . . . . . . 41

Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

8.1

Measurement settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
8.1.1

Settings for pH measurements . . . . . . . . . . . . . . 44

8.1.2

Buffer sets for calibration . . . . . . . . . . . . . . . . . . 45

8.1.3

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

8.1.4

Settings for ORP measurements . . . . . . . . . . . . 48

8.1.5

Settings for conductivity measuring cells . . . . . . 49

8.1.6

Calibration interval . . . . . . . . . . . . . . . . . . . . . . . 51

8.1.7

Temperature compensation . . . . . . . . . . . . . . . . 51

8.1.8

Setting the TDS factor . . . . . . . . . . . . . . . . . . . . 52

8.2

Sensor-independent settings . . . . . . . . . . . . . . . . . . . . . . 53
8.2.1

System

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

8.2.2

Data storage

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

8.3

Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
8.3.1

Resetting the measurement settings . . . . . . . . . 54

8.3.2

Resetting the system settings . . . . . . . . . . . . . . . 55

Содержание WTW pH/Cond 3320

Страница 1: ...OPERATING MANUAL ba77054d01 02 2014 pH Cond 3320 METER FOR 2 SENSORS PH ORP COND 25 0 6 093 pH C USB output 15 11 2008 08 37 3320...

Страница 2: ...0 Copyright Weilheim 2014 WTW GmbH Reproduction in whole or even in part is prohibited without the express written permission of WTW GmbH Weilheim Printed in Germany For the most recent version of the...

Страница 3: ...cope of delivery 9 3 2 Power supply 9 3 3 Initial commissioning 9 3 3 1 Inserting the batteries 10 4 Operation 11 4 1 General operating principles 11 4 1 1 Keypad 11 4 1 2 Display 12 4 1 3 Status info...

Страница 4: ...8 7 1 1 Measuring the conductivity 38 7 1 2 Measuring the temperature 40 7 2 Calibration 40 7 2 1 Why calibrate 40 7 2 2 When to calibrate 40 7 2 3 Determining the cell constant calibration in control...

Страница 5: ...terface 63 10 1 Options for data transmission 63 10 2 Connecting a PC 64 10 3 MultiLab Importer 64 11 Maintenance cleaning disposal 65 11 1 Maintenance 65 11 1 1 General maintenance activities 65 11 1...

Страница 6: ...asuring certainty for all applications 1 2 Sensors A measuring system ready to measure consists of the pH Cond 3320 meter and a suitable sensor Suitable sensors are pH electrodes ion selective electro...

Страница 7: ...n where goods 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...

Страница 8: ...e 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 o...

Страница 9: ...3 2 Power supply The pH Cond 3320 is supplied with power in the following ways Battery operation 4 x alkaline manganese batteries type AA USB operation via a connected USB B cable 3 3 Initial commissi...

Страница 10: ...o screws 1 on the underside of the meter 2 Open the battery compartment 2 on the underside of the meter CAUTION Make sure that the poles of the batteries are positioned cor rectly The signs on the bat...

Страница 11: ...c data output to the USB inter face On Off Switches the meter on or off M Selects the measured parameter Quits the settings CAL CAL__ Calls up the calibration procedure Displays the calibration data S...

Страница 12: ...y Plug position of the sensor 6 Sensor symbol calibration evaluation calibration interval 7 Measured temperature with unit 8 Status information meter 9 Softkeys and date time AR Stability control Auto...

Страница 13: ...connect sensors to the meter that cannot return any volt ages or currents that are not allowed SELV and current circuit with current limiting Almost all customary sensors fulfill these conditions 1 Sw...

Страница 14: ...llumination on or off see section 8 2 1 SYSTEM page 53 4 4 Navigation The principles of navigation in menus and dialogs are explained in the following sections 4 4 1 Operating modes The instrument has...

Страница 15: ...e in other operating situations 4 4 3 Menus and dialogs The menus for settings and dialogs in procedures contain further subelements To select a subelement use the keys The current selection is dis pl...

Страница 16: ...he measured value display appears The instrument is in the measuring mode Language Deutsch Beep Off Illumination On Contrast 50 Switchoff time 1 h Temperature unit C Stability control On General 15 02...

Страница 17: ...selection is displayed with a frame 4 Open the System submenu with ENTER 5 Select the General submenu with The current selection is displayed with a frame 6 Open the General submenu with ENTER pH 6 94...

Страница 18: ...ation of stored measured values Therefore check the time at regular intervals 7 Open the setting mode for the Language with ENTER 8 Select the required language with 9 Confirm the setting with ENTER T...

Страница 19: ...nfirm 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...

Страница 20: ...ors Detailed display of one sensor e g incl CMC feature with pH sensors With the softkey you can very easily switch between the two display types The suitable softkey is displayed depending on the ope...

Страница 21: ...c Stability control is switched off You can activate or switch off the automatic Stability control function see section 8 2 1 SYSTEM page 53 To ensure the high measurement accuracy of the measuring sy...

Страница 22: ...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 flashi...

Страница 23: ...ual determination and input of the temperature The measuring instrument recognizes whether a suitable sensor is connected and automatically switches on the temperature measurement The display of the t...

Страница 24: ...SETTINGS FOR PH MEASUREMENTS PAGE 44 Use any one to five buffer solutions of the selected buffer set in ascending or descending order Below calibration with Technical buffers TEC is described When oth...

Страница 25: ...e display of the measured parameter flashes 9 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...

Страница 26: ...take over the calibration value with ENTER The calibration display for the next buffer appears voltage display 16 If necessary finish the calibration procedure as a two point calibration with M The ca...

Страница 27: ...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 ca...

Страница 28: ...hecked for stability stability control The AR status indicator is displayed A progress bar is displayed and the display of the measured parameter flashes 9 Wait for the end of the measurement with sta...

Страница 29: ...re the current temperature Enter the temperature value in the menu 16 Start the measurement with ENTER The measured value is checked for stability stability control The AR status indicator is displaye...

Страница 30: ...stability control The AR status indicator is displayed A progress bar is displayed and the display of the measured parameter flashes 25 Wait for the measurement with stability control to be completed...

Страница 31: ...ng the cali bration data storage The calibration records of the last calibrations up to 10 are given in the menu ENTER Calibration Calibration data storage Determined values Displayed calibration data...

Страница 32: ...Scroll through the calibration records with Output the displayed calibra tion record to the interface with F2 USB output Quit the display with F1 Back or ENTER Switch directly to the mea sured value d...

Страница 33: ...the scale of the pH measuring range is displayed in the measured value display Here you can very clearly see whether or not the current measured value is in the calibrated part of the measuring range...

Страница 34: ...able for documentation If necessary calibrate the meter with buffers covering this measuring range If the current measured value is outside the calibrated range this area is shaded stronger If a measu...

Страница 35: ...asured value is outside the stability range when you switch over between the measured parameters with M when the automatic Stability control is switched off Criteria for a stable measured value The St...

Страница 36: ...e 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 s...

Страница 37: ...emperature measurement The display of the temperature indicates the active temperature measuring mode If you wish to measure without temperature sensor proceed as follows 6 2 ORP calibration 2 Release...

Страница 38: ...onstant for the connected conductivity measuring cell If necessary correct the settings The selection of the measuring cell and the setting of the cell con stant is done in the measurement settings me...

Страница 39: ...h AR The HOLD status 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 Stab...

Страница 40: ...libration determines the current value of the cell constant and stores this value in the meter Thus you should calibrate at regular intervals we recommend every 6 months 7 2 2 When to calibrate After...

Страница 41: ...it press the CAL__ key in the measured value display 1 Connect the conductivity measuring cell to the measuring instrument 2 In the measured value display select the conductivity parameter with M 3 S...

Страница 42: ...ecord Menu item Setting func tion Description Calibration Calibration data stor age Display or Data storage Calibration data stor age Display Displays the calibration record Further options Scroll thr...

Страница 43: ...pH Cond 3320 Conductivity ba77054d01 02 2014 43 Calibration record example pH Cond 3320 Ser no 11292113 CALIBRATION Cond 01 07 2011 16 13 33 Cell constant 0 479 1 cm 25 0 C Sensor...

Страница 44: ...ration Calibration Cali bration data stor age Display Displays the calibration record Further options Scroll through the calibration records with Output the displayed calibration record to the interfa...

Страница 45: ...n Off Takes the temperature value from the 2nd sensor Man temperature 25 25 130 C Entry of the manually determined temperature For measurements without temperature sensor only Resolution pH 0 001 0 01...

Страница 46: ...650 6 790 9 230 25 C 10 Mettler Toledo USA 1 679 4 003 7 002 10 013 25 C 11 Mettler Toledo EU 1 995 4 005 7 002 9 208 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 1...

Страница 47: ...ll possible to measure 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 21 Reagecon 20 2 000 4 000 7 000 10 000 13 000 20 C 2...

Страница 48: ...only those settings are listed that influence the ORP mea surement Default settings are printed in bold To ensure the high measuring accuracy of the measuring system calibrate after the calibration i...

Страница 49: ...rd of the last calibration Calibration Cali bration data stor age Display Displays the calibration record Further options Scroll through the calibration records with Output the displayed calibration r...

Страница 50: ...with freely adjustable cell constants in the range 0 250 25 000 cm 1 Measurement Measuring cell Cell const man 0 250 0 475 25 000 cm 1 Display and setting option of the cell constant of any measuring...

Страница 51: ...temperature compensation nLF according to EN 27 888 Linear temperature compensation lin with adjustable coefficient in the range 0 000 10 000 K No temperature compensation off Measurement Temp comp T...

Страница 52: ...TDS Measurement TDS fac tor The reference temperature and temperature compensation are set in the Measurement menu for the parameter conductivity see sec tion 8 1 5 SETTINGS FOR CONDUCTIVITY MEASURING...

Страница 53: ...neral Contrast 0 50 100 Changes the display contrast System General Switchoff time 10 min 1h 24 h Adjusts the switch off time System General Temperature unit C F Temperature unit degrees Cel sius or d...

Страница 54: ...ock Date format Datum Time Time and date settings see section 4 4 6 EXAMPLE 2 ON NAVIGATION SETTING THE DATE AND TIME page 18 System Service infor mation Hardware version and software version of the m...

Страница 55: ...NTER or F1 Menu key 8 3 2 Resetting the system settings The following system settings can be reset to the default condition Slope 59 2 mV Man temperature 25 C One point calibration No Setting Default...

Страница 56: ...ettings are reset in the menu Storage config System Reset To open the Storage config menu in the measured value display press the ENTER__ or F1__ Menu key Illumination Auto Switchoff time 1 h Stabilit...

Страница 57: ...werden die aktuellen Datens tze der im Display angezeigten Sensoren gleichzeitig auf die Schnittstelle bertragen With each data storage process the current datasets of the sen sors indicated on the di...

Страница 58: ...GE page 62 9 2 Automatic data storage at intervals The storage interval Interval determines the time interval between automatic data storage processes With each data storage process the current datase...

Страница 59: ...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 restri...

Страница 60: ...n the display and output to the interface Each of the measurement data storages has a function to erase the entire contents Editing the data storage The storage is edited in the menu Storage config Da...

Страница 61: ...B output Quit the display with F1 Back Data storage Man ual data storage Erase Erases the entire manual mea surement data storage All calibration data remain stored when this action is performed Data...

Страница 62: ...es of the connected sensors Measured temperature value of the connected sensors or manually set tem perature AutoRead info The AR indicator appears with the measured value if the AutoRead criterion wa...

Страница 63: ...an set the transmission interval Simultaneously with every auto matic data storage process see section 9 2 AUTOMATIC DATA STO RAGE AT INTERVALS page 58 Stored mea sured values Manual Displayed dataset...

Страница 64: ...h Pentium processor or higher with at least one free USB connection and CD ROM drive Windows XP Windows 7 10 3 MultiLab Importer With the aid of the MultiLab Importer software you can record and evalu...

Страница 65: ...ith normal batteries or with rechargeable batteries Ni MH In order to charge the batteries an external charging device is required 1 Screws 2 Battery compartment 1 Unscrew the two screws 1 on the unde...

Страница 66: ...t your supplier 5 Close the battery compartment 2 and tighten the screws 1 6 Set the date and time see section 4 4 6 EXAMPLE 2 ON NAVIGATION SETTING THE DATE AND TIME page 18 When the batteries are ne...

Страница 67: ...t air or moisten junction Cable broken Replace electrode Gel electrolyte dried out Replace electrode The measured value is outside the measuring range of the meter Use suitable combination electrode C...

Страница 68: ...perature not stable Temper if necessary Electrode test sample Conductivity too low Use suitable combination elec trode Temperature too high Use suitable combination elec trode Organic liquids Use suit...

Страница 69: ...information and instructions on cleaning and exchange of sensors are given in the documentation of your sensor Cause Remedy The measured value is outside the measuring range of the meter Use suitable...

Страница 70: ...ired Recalibrate the measuring system Cause Remedy Batteries almost empty Replace the batteries see section 11 1 MAINTENANCE page 65 Cause Remedy Operating condition undefined or EMC load unallowed Pr...

Страница 71: ...meter Range Increment Tmanual C 25 130 1 Tmanual F 13 266 1 Accuracy 1 digit Parameter Accuracy Temperature of the test sample pH range 2 0 20 0 0 1 15 C 35 C 2 00 20 00 0 01 15 C 35 C 2 000 19 999 0...

Страница 72: ...1 Resistivity MOhm cm 2 00 19 99 20 0 199 9 0 01 0 1 SAL 0 0 70 0 according to the IOT table 0 1 TDS 0 1999 mg l 2 00 19 99 g l 20 0 199 9 g l 1 0 01 0 1 T C 5 0 105 0 0 1 T F 23 0 221 0 0 1 only poss...

Страница 73: ...C according to EN 27 888 0 5 35 C 50 C enhanced nLF function Linear lin 0 5 10 C 75 C SAL range 0 0 42 0 0 1 5 C 25 C 0 2 25 C 30 C TDS mg l 0 5 T C temperature sensor NTC 30 0 1 PT 1000 0 1 The accur...

Страница 74: ...batteries type AA Rechargeable batter ies 4 x 1 2 V NiMH rechargeable batteries type AA no charging function Operational life Up to 1000 h without 150 h with illumination pH sesnor input Input resist...

Страница 75: ...TER PAGE 70 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 is displa...

Страница 76: ...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 potenti...

Страница 77: ...e measuring range Adjusting To manipulate a measuring system so that the relevant value e g the displayed value differs as little as possible from the correct value or a value that is regarded as corr...

Страница 78: ...ured value stability Standard solution The standard solution is a solution where the measured value is known by definition It is used to calibrate a measuring system Temperature function Name of a mat...

Страница 79: ...4 Interval for calibration 47 51 K Keys 11 M Measured value display 15 Measurement accuracy 48 51 Measurement data storage Edit 60 Erase 60 Storage locations 62 Measurement dataset 62 Measuring 38 ORP...

Страница 80: ...Index pH Cond 3320 80 ba77054d01 02 2014...

Страница 81: ......

Страница 82: ...water 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...

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