wtw pH/Cond 3320 Operating Manual
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wtw pH/Cond 3320 Operating Manual

Meter for 2 sensors (ph/orp/cond)
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OPERATING MANUAL
ba77054d03 03/2018
pH/Cond 3320
METER FOR 2 SENSORS (PH/ORP/COND)

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  • Page 1 OPERATING MANUAL ba77054d03 03/2018 pH/Cond 3320 METER FOR 2 SENSORS (PH/ORP/COND)
  • Page 2 3320 For the most recent version of the manual, please visit www.WTW.com. Copyright © 2018 Xylem Analytics Germany GmbH Printed in Germany.. ba77054d03 03/2018...

  • Page 3: Table Of Contents

    Overview ........7 pH/Cond 3320 meter......7 Sensors .
  • Page 4 Contents pH/Cond 3320 pH value ........23 Measuring .
  • Page 5 3320 Contents 9.1.3 Calibration interval ..... . . 53 9.1.4 Settings for ORP measurements ... . 54 9.1.5...
  • Page 6 Contents pH/Cond 3320 14 Technical data ....... . 82 14.1 Measuring ranges, resolution, accuracy ... . . 82 14.1.1 pH/ORP .

  • Page 7: Overview

    Overview Overview pH/Cond 3320 meter The pH/Cond 3320 meter enables you to perform measurements (pH, U, ISE, conductivity) quickly and reliably. The pH/Cond 3320 provides the maximum degree of operating comfort, reli- ability and measuring certainty for all applications. 1 Keypad...
  • Page 8 Overview pH/Cond 3320 ba77054e03 03/2018...

  • Page 9: Safety

    3320 Safety Safety Safety information 2.1.1 Safety information in the operating manual This operating manual provides important information on the safe operation of the meter. Read this operating manual thoroughly and make yourself familiar with the meter before putting it into operation or working with it. The operating manual must be kept in the vicinity of the meter so you can always find the infor- mation you need.

  • Page 10: Safe Operation

    Safety pH/Cond 3320 Safe operation 2.2.1 Authorized use This meter is authorized exclusively for pH, ISE, ORP and conductivity measurements in a field and laboratory environment. This meter is authorized exclusively for pH, ISE and ORP measurements in a field and laboratory environment.

  • Page 11: Commissioning

    – detailed operating manual – Software MultiLab Importer 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 Initial commissioning Perform the following activities: ...

  • Page 12: Inserting The Batteries

    Commissioning pH/Cond 3320 3.3.1 Inserting the batteries 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.

  • Page 13: Operation

    3320 Operation Operation General operating principles 4.1.1 Keypad In this operating manual, keys are indicated by brackets <..> . The key symbol (e.g. <ENTER>) generally indicates a short keystroke (under 2 sec) in this operating manual. A long keystroke (approx. 2 sec) is indicated by the underscore behind the key symbol (e.g.

  • Page 14: Display

    Operation pH/Cond 3320 4.1.2 Display 6.093 25.0 °C AutoCal TEC HOLD AR 15.02.2014 USB output 14:15 1 Status information (sensor) 2 Measured value (with unit) 3 Measured parameter 4 Continuous measurement control (CMC function) 5 Channel display: Plug position of the sensor...

  • Page 15: Connectors

    3320 Operation 4.1.4 Connectors 1 pH/ISE electrode 2 Temperature sensor 3 Conductivity measuring cell 4 Mini USB-B interface 5 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).

  • Page 16: Switching Off

    Operation pH/Cond 3320 Switching off Switch the printer off with <On/Off>. Automatic shut-off The instrument has an automatic shut-off function in order to save the batteries function (see section 9.2.1 S , page 61). The automatic shut-off function switches YSTEM off the meter if no key is pressed for an adjustable period.

  • Page 17: Measured Value Display

    3320 Operation 4.4.2 Measured value display In the measured value display, open the setting menus with <ENTER>. The current functions of the softkeys are shown on the display.  Use <ENTER> (short pressure) to open the menu for calibration and mea- surement settings for the displayed measured parameter.

  • Page 18: Navigation Example 1:Setting The Language

    Operation pH/Cond 3320 General Language: Deutsch Beep: Illumination: Contrast: 50 % Switchoff time: Temperature unit: °C Stability control: 15.02.2014 Back 14:15  Functions Functions are designated by the name of the function. They are immediately carried out by confirming with <ENTER>.
  • Page 19 3320 Operation 6.949 25.0 °C 15.02.2014 Menu 14:15 Open the Storage & config menu with <ENTER >. The instrument is in the setting mode. Storage & config System Data storage 15.02.2014 Back 14:15 Select the System submenu with <>< >.

  • Page 20: Example 2 On Navigation: Setting The Date And Time

    Operation pH/Cond 3320 General Language: Deutsch Beep: Illumination: Contrast: 50 % Switchoff time: Temperature unit: °C Stability control: 15.02.2014 Back 14:15 Open the setting mode for the Language with <ENTER>. General Language: Deutsch Beep: Illumination: Contrast: 50 % Switchoff time: Temperature unit: °C...
  • Page 21 3320 Operation The date format can be switched from the display of day, month, year (dd.mm.yyyy) to the display of month, day, year (mm/dd/yyyy or mm.dd.yyyy). In the measured value display: Open the Storage & config menu with <ENTER >.

  • Page 22: Channel Display

    Operation pH/Cond 3320 Channel display The pH/Cond 3320 manages the connected sensors and displays which sensor is plugged to which connection. Channel display Display of the plug position for the respective parameter The filled bar indicates for 6.949 each connected sensor to which plug position of the 24.8 °C...

  • Page 23: Ph Value

    3320 pH value pH value Measuring 5.1.1 Measuring the pH value NOTE When connecting an grounded PC/printer, measurements cannot be performed in grounded media as the values would be incorrect. The USB interface is not galvanically isolated. To ensure the high measurement accuracy of the measuring sys- tem, always measure with a calibrated electrode (see section 5.2...

  • Page 24: Measuring The Temperature

    3320 within the monitored time interval. Measured Time interval Stability in the time interval parameter Δ : better than 0.01 pH pH value 15 seconds Δ : better than 0.5 °C Temperature 15 seconds The minimum duration until a measured value is assessed as stable is the monitored time interval.

  • Page 25: Calibration

    3320 pH value Calibration 5.2.1 Why calibrate? pH electrodes age. This changes the zero point (asymmetry) and slope of the pH electrode. As a result, an inexact measured value is displayed. Calibration determines and stores the current values of the zero point and slope of the electrode.
  • Page 26 3320 Buffer -180.0 24.8 °C AutoCal TEC 15.02.2014 14:15 Thoroughly rinse the electrode with deionized water. Immerse the electrode in the first buffer solution. When measuring without temperature sensor: – Temper the buffer solution, or measure the current temperature.
  • Page 27 3320 pH value When measuring without temperature sensor: – Temper the buffer solution, or measure the current temperature. – Enter the temperature value in the menu. Start the measurement with <ENTER>. The measured value is checked for stability (stability control). The [AR] status indicator is displayed.

  • Page 28: Manual Calibration (Concal)

    3320 4.010 Buffer 180.0 24.8 °C AutoCal TEC 15.02.2014 14:15 Wait for the measurement with stability control to be completed or termi- nate the stability control and take over the calibration value with <ENTER>. The calibration display for the next buffer appears (voltage display).
  • Page 29 3320 pH value Buffer 24.8 °C ConCal 15.02.2014 14:15 Thoroughly rinse the electrode with deionized water. Immerse the electrode in the first buffer solution. When measuring without temperature sensor: – Temper the buffer solution, or measure the current temperature.
  • Page 30 3320 Accept the set calibration value with <ENTER>. The calibration display for the next buffer appears (voltage display). If necessary, finish the calibration procedure as a single-point calibration with <M>. The calibration record is displayed. For single-point calibration, the instrument uses the Nernst slope (-59.2 mV/pH at 25 °C) and determines the zero point of the elec-...

  • Page 31: Calibration Points

    3320 pH value Continuing with Thoroughly rinse the electrode with deionized water. three- to five-point calibration Immerse the electrode in the next buffer solution. When measuring without temperature sensor: – Temper the buffer solution, or measure the current temperature.

  • Page 32: Calibration Data

    3320 Determined Displayed calibration data values 1-point  Zero point = Asy  Slope = Nernst slope (-59.2 mV/pH at 25 °C) 2-point  Zero point = Asy Slp.  Slope = Slp. 3-point to  Zero point = Asy 5-point Slp.
  • Page 33 3320 pH value Menu item Setting/ Explanation function Calibration / Calibra- Displays the calibration record. tion data storage / Display Further options:  Scroll through the calibration records with <>< >.  Output the displayed calibra- tion record to the interface with <F2>/[USB output].
  • Page 34 3320 Calibration record pH/Cond 3320 (example) Ser. no. 11292113 CALIBRATIONpH 15.02.2014 15:55 AutoCal TEC Buffer 1 4.01 Buffer 2 7.00 Buffer 3 10.01 Voltage 1 184.0 mV Voltage 2 3.0 mV Voltage 3 -177.0 mV Temperature 1 24.0 °C...

  • Page 35: Continuous Measurement Control (Cmc Function)

    3320 pH value 5.2.7 Continuous measurement control (CMC function) The Continuous Measurement Control (CMC function) facilitates to evaluate the current measured value instantly and definitely. After each successful calibration 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.

  • Page 36: Orp Voltage

    ORP voltage pH/Cond 3320 ORP voltage Measuring 6.1.1 Measuring the ORP NOTE When connecting an grounded PC/printer, measurements cannot be performed in grounded media as the values would be incorrect. The USB interface is not galvanically isolated. Connect the ORP electrode to the meter.

  • Page 37: Measuring The Temperature

    3320 ORP voltage Freezes the mea- With the HOLD function, you can freeze the current measured value. The dis- sured value (HOLD played measured value stops changing until you switch the HOLD function off. function) Freeze the measured value with <AR>.

  • Page 38: Ion Concentration

    Ion concentration pH/Cond 3320 Ion concentration Measuring 7.1.1 Measuring the ion concentration NOTE When connecting an grounded PC/printer, measurements cannot be performed in grounded media as the values would be incorrect. The USB interface is not galvanically isolated. Incorrect calibration of ion sensitive electrodes will result in incor- rect measured values.

  • Page 39: Measuring The Temperature

    3320 Ion concentration page 62). Criteria The AutoRead criteria affect the reproducibility of the measured values. The following criteria can be adjusted:  high: highest reproducibility  medium: medium reproducibility  low: lowest reproducibility Increasing reproducibility also causes the response time to increase until a measured value is evaluated as stable.

  • Page 40: Calibration

    Ion concentration pH/Cond 3320 When measuring without temperature sensor: – Temper the test sample, or measure the current temperature. Calibration 7.2.1 Why calibrate? Ion-selective electrodes age and are temperature-dependent. This changes the slope. As a result, an inexact measured value is displayed. Calibration determines the calibration line of the electrode and stores this value in the meter.
  • Page 41 3320 Ion concentration Standard 24.8 °C 0.010 mg/l 15.02.2014 12:12 Thoroughly rinse the electrode with distilled water. Immerse the electrode in standard solution 1. When calibrating without temperature sensor:  Measure the temperature of the standard solution using a thermom- eter.
  • Page 42 Ion concentration pH/Cond 3320 Standard 24.8 °C 0.020 mg/l 15.02.2014 12:12 Continuing with two- Thoroughly rinse the electrode with distilled water. point calibration Immerse the electrode in standard solution 2. When calibrating without temperature sensor:  Measure the temperature of the standard solution using a thermom- eter.

  • Page 43: Calibration Standards

    3320 Ion concentration Press <ENTER> to continue with three-point calibration. Finish the calibration procedure as a two-point calibration with <M>. The new calibration values are displayed. Continuing with Repeat the steps 12 to 17 in the same way with the third and further standard three- to seven-point solutions as necessary.
  • Page 44 Ion concentration pH/Cond 3320 Displaying the cali- The calibration records of the last calibrations are available in the menu, bration data memory <ENTER> / Calibration / Calibration data storage. Menu item Setting/func- Explanation tion Calibration / Displays the calibration record.

  • Page 45: Conductivity

    3320 Conductivity Conductivity Measuring 8.1.1 Measuring the conductivity NOTE When connecting an grounded PC/printer, measurements cannot be performed in grounded media as the values would be incorrect. The USB interface is not galvanically isolated. Connect the conductivity measuring cell to the measuring instrument.

  • Page 46: Measuring The Temperature

    Conductivity pH/Cond 3320 The factor to calculate the total dissolved solids is set to 1.00 in the factory. You can adjust this factor to meet your requirements in the range 0.40 ... 1.00. The factor is set in the Measurement menu for the parameter, TDS.

  • Page 47: Calibration

    3320 Conductivity Calibration 8.2.1 Why calibrate? Aging slightly changes the cell constant, e.g. due to coatings. As a result, an inexact measured value is displayed. The original characteristics of the cell can often be restored by cleaning the cell. Calibration determines the current value of the cell constant and stores this value in the meter.

  • Page 48: Calibration Data

    Conductivity pH/Cond 3320 ϰ 0.479 1 25.1 °C 15.02.2014 08:00 Immerse the conductivity measuring cell in the control standard solu- tion, 0.01 mol/l KCI. Start the measurement with <ENTER>. The [AR] status indicator is displayed. A progress bar is displayed and the display of the measured parameter flashes.
  • Page 49 3320 Conductivity Menu item Setting/func- Explanation tion Calibration / Displays the calibration record. Calibration data stor- age / Display Further options:  Scroll through the calibration records with <>< >.  Output the displayed calibra- Data storage / tion record to the interface with Calibration data stor- <F2>/[USB output].

  • Page 50: Settings

    Settings pH/Cond 3320 Settings Measurement settings 9.1.1 Settings for pH measurements The settings for pH measurements are made in the menu for calibration and measurement settings of the pH/ORP measurement. To open the settings, dis- play the required measured parameter in the measured value display and press the <ENTER>...

  • Page 51: Buffer Sets For Calibration

    3320 Settings Menu item Possible set- Explanation ting Calibration / Cali- 1 ... 7 ... 999 d Calibration interval for the pH elec- bration interval trode (in days). The meter reminds you to calibrate regularly by the flashing sensor symbol in the measuring screen.
  • Page 52 Settings pH/Cond 3320 Buffer set * pH values Merck 2 * 1.000 20°C 6.000 8.000 13.000 Merck 3 * 4.660 20°C 6.880 9.220 Merck 4 * 2.000 20°C 4.000 7.000 10.000 Merck 5 * 4.010 25 °C 7.000 10.000 DIN 19267 1.090...

  • Page 53: Calibration Interval

    3320 Settings Buffer set * pH values Beckman * 4.005 25 °C 7.005 10.013 Hamilton Duracal * 4.005 25 °C 7.002 10.013 Precisa * 3.996 25 °C 7.003 8.999 Reagecon TEC * 2.000 25 °C 4.010 7.000 10.000 Reagecon 20 * 2.000...

  • Page 54: Settings For Orp Measurements

    Settings pH/Cond 3320 To ensure the high measuring accuracy of the measuring system, calibrate after the calibration interval has expired. Setting the calibra- The calibration interval is set to 7 days in the factory. tion interval You can change the interval (1 ... 999 days): Open the menu for measurement settings with <ENTER>.

  • Page 55: Settings For Ise Measurements

    3320 Settings 9.1.5 Settings for ISE measurements The settings for ISE measurements are made in the menu for calibration and measurement settings of the ISE measurement. To open the settings, display the required measured parameter in the measured value display and press the <ENTER>...
  • Page 56 Settings pH/Cond 3320 Menu item Possible setting Explanation ISE setup/ Ag, Br, Ca, Cd, Cl, Selection of the ion type to Ion type CN, Cu, F, I, K, Na, be measured. NO3, Pb, S, NH3, NH4*, CO2, ION An ion that is not included in the list can be measured with the setting, ION.

  • Page 57: Settings For Conductivity Measuring Cells

    3320 Settings 9.1.6 Settings for conductivity measuring cells The settings are made in the Measurement menu for the measured parameter, conductivity. To open the settings, display the required measured parameter in the measured value display and press the <ENTER> key. After completing the settings, switch to the measured value display with <M>.
  • Page 58 Settings pH/Cond 3320 Menu item Possible Explanation setting Measurement / Measuring cell used Measuring cell / Measuring cells whose cell constant Type is determined by calibration in the KCL control standard solution. Calibration ranges: 0.450 ... 0.500 cm 0.800 ... 0.880 cm The currently valid cell constant is displayed in the status line.

  • Page 59: Calibration Interval

    3320 Settings Menu item Possible Explanation setting Measurement / 20 °C Reference temperature Temp. comp. (TC) 25 °C /Reference temp. This setting is only available for the ϰ ρ measured parameters, Measurement / 0.40 ... 1.00 Multiplier for TDS value...

  • Page 60: Setting The Tds Factor

    Settings pH/Cond 3320 The reference temperature and temperature compensation are set in the Measurement menu for the parameter, conductivity (see sec- tion 9.1.6 S , page 57). ETTINGS FOR CONDUCTIVITY MEASURING CELLS Application tips Set the temperature compensation suitable for your test sample:...

  • Page 61: Sensor-Independent Settings

    3320 Settings Sensor-independent settings 9.2.1 System To open the Storage & config menu, press the <ENTER > key in the mea- sured value display. After completing the settings, switch to the measured value display with <M>. Default settings are printed in bold.

  • Page 62: Data Storage

    Settings pH/Cond 3320 Menu item Possible Explanation setting System / Clock Date format Time and date settings (see Datum section 4.4.6 E XAMPLE Time NAVIGATION ETTING THE DATE , page 20) AND TIME System / Service infor- Hardware version and software...

  • Page 63: Reset

    3320 Settings 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 measured parameter flashes. The [HOLD][AR] status indicator appears as soon as a stable measured value is recognized.

  • Page 64: Resetting The System Settings

    Settings pH/Cond 3320 Setting Default settings Slope -59.2 mV Man. temperature 25 °C One point calibration The sensor settings are reset under the Reset menu item in the menu for cali- bration and measurement settings. To open it in the measured value display, press the <ENTER>...
  • Page 65 3320 Settings Setting Default settings Contrast 50 % Illumination Auto Switchoff time Stability control Temperature unit °C The system settings are reset in the menu, Storage & config / System / Reset. To open the Storage & config menu in the measured value display, press the <ENTER...

  • Page 66: Data Memory

    Data memory pH/Cond 3320 Data memory You can transmit measured values (datasets) to the data memory:  Manual data memory (see section 10.1 M , page 66) ANUAL STORAGE  Automatic storage at intervals (see section 10.2 A UTOMATIC DATA STORAGE...

  • Page 67: Automatic Data Storage At Intervals

    3320 Data memory If the memory is full The following window appears if all 500 storage locations are occupied: Warning Data storage full. Erase? 15.02.2014 Back 14:15 You have the following options:  To erase the entire memory, confirm Yes.
  • Page 68 Data memory pH/Cond 3320 Settings You can configure the automatic data storing function with the following settings: Menu item Possible set- Explanation ting ID number 1 ... 10000 ID number for the dataset series. Interval 1 s, 5 s, 10 s, Storing interval.

  • Page 69: Measurement Data Memory

    3320 Data memory saving mode switches off functions of the meter that are not required for the automatic storage of measurement data (such as the display). By pressing any key the energy saving mode is switched off again. Terminating the...
  • Page 70 Data memory pH/Cond 3320 Settings Menu item Setting/ Explanation function Data storage / Displays all measurement datasets Manual data storage page by page. / Display Further options:  Scroll through the datasets with <>< >.  Output the displayed dataset to the interface with <F2>/[USB...

  • Page 71: Erasing The Measurement Data Memory

    AR indicator.  Calibration evaluation: +++, ++, +, -, or no evaluation 10.3.4 Memory locations The pH/Cond 3320 meter has two measurement data memories. The measured values recorded either manually or automatic are stored separately in individual measurement data memories.

  • Page 72: Transmitting Data (Usb Interface)

    Transmitting data (USB interface) pH/Cond 3320 Transmitting data (USB interface) 11.1 Options for data transmission Via the USB interface you can transmit data to a PC. The following table shows which data are transmitted to the interface in which way:...

  • Page 73: Connecting A Pc

    3320 Transmitting data (USB interface) 11.2 Connecting a PC Connect the pH/Cond 3320 to the PC via the USB interface. NOTE When connecting an grounded PC/printer, measurements cannot be performed in grounded media as the values would be incorrect.

  • Page 74: Maintenance, Cleaning, Disposal

    Maintenance, cleaning, disposal pH/Cond 3320 Maintenance, cleaning, disposal 12.1 Maintenance 12.1.1 General maintenance activities The only maintenance activity required is replacing the batteries. See the relevant operating manuals of the electrodes for instruc- tions on maintenance. 12.1.2 Replacing the batteries...

  • Page 75: Cleaning

    3320 Maintenance, cleaning, disposal Place four batteries (type Mignon AA) in the battery compartment. Close the battery compartment. Set the date and time (see section 4.4.6 E XAMPLE ON NAVIGATION ETTING THE DATE , page 20). AND TIME When the batteries are nearly discharged, the status indi- cator is displayed.

  • Page 76: Ise

    Maintenance, cleaning, disposal pH/Cond 3320 12.4.1 ISE Electrodes Order no. Ag/S 800 with BNC-plug, combined electrode for silver and 662-7058 sulfide Br 800 with BNC-plug, combined electrode for bromide 662-7130 Ca 800 with BNC-plug, combined electrode for calcium 662-7368 Cd 800 with BNC-plug, combined electrode for cadmium...

  • Page 77: What To Do If

    3320 What to do if... What to do if... 13.1 pH/ORP More information and instructions on cleaning and exchange of sensors are given in the documentation of your sensor. Error message The measured value is outside the measuring range.
  • Page 78 What to do if... pH/Cond 3320 No stable measured Cause Remedy value Electrode: – Junction contaminated – Clean the junction – Membrane contaminated – Clean membrane Test sample: – pH value not stable – Measure with air excluded if necessary –...

  • Page 79: Ise

    3320 What to do if... 13.2 ISE Error message OFL Cause Remedy – Measuring range exceeded – Dilute test sample Obviously incorrect Cause Remedy measured values – Electrode not connected – Connect the electrode – Cable broken – Replace the electrode...

  • Page 80: Conductivity

    What to do if... pH/Cond 3320 13.3 Conductivity More information and instructions on cleaning and exchange of sensors are given in the documentation of your sensor. Error message The measured value is outside the measuring range. OFL, UFL Cause Remedy –...

  • Page 81: General Information

    3320 What to do if... 13.4 General information Sensor symbol Cause Remedy flashes – Calibration interval expired – Recalibrate the measuring system Display Cause Remedy – Batteries almost empty – Replace the batteries (see section 12.1 M AINTENANCE page 74)

  • Page 82: Technical Data

    Technical data pH/Cond 3320 Technical data 14.1 Measuring ranges, resolution, accuracy 14.1.1 pH/ORP Measuring ranges, Variable Measuring range Resolution resolution -2.0 ... +20.0 -2.00 ... +20.00 0.01 - 2.000 ... + 19.999 0.001 U [mV] -2500 ... +2500 -1200.0 ... +1200.

  • Page 83: Ise

    3320 Technical data 14.1.2 ISE Measuring ranges, Variable Measuring range Resolution resolution ISE [mg/l] 0.000 ... 9.999 0,001 10.00 ... 99.99 0,01 100.0 ... 999.9 1000 ... 999999 ISE [µmol/l] 0.000 ... 9.999 0,001 10.00 ... 99.99 0,01 100.0 ... 999.9 1000 ...

  • Page 84: Cond

    Technical data pH/Cond 3320 14.1.3 Cond Measuring ranges, Variable Measuring range Resolution resolution ϰ [µS/cm] 0.000 ... 1.999* 0.001 (depending on the sen- 0.00 ... 19.99** 0.01 sor) 0.0 ... 199.9 200 ... 1999 ϰ [mS/cm] 2.00 ... 19.99 0.01 20.0 ...

  • Page 85: General Data

    3320 Technical data Accuracy (± 1 digit) Variable Accuracy Temperature of the test sample ϰ and ρ / temperature compensation None (Off) ± 0.5 % Nonlinear (nLF) ± 0.5 % 0 °C ... +35 °C according to EN 27 888 ±...
  • Page 86 Technical data pH/Cond 3320 Power Batteries 4 x 1.5 V alkali-manganese batteries, type supply Rechargeable batter- 4 x 1.2 V NiMH rechargeable batteries, type AA (no charging function) Operational life Up to 1000 h without / 150 h with illumination...

  • Page 87: Firmware Update

     a free USB interface (virtual COM port) on the PC  the driver for the USB interface (on the enclosed CD-ROM)  the USB cable (included in the scope of delivery of the pH/Cond 3320). Install the downloaded firmware update on a PC.

  • Page 88: Glossary

    Glossary pH/Cond 3320 Glossary pH/ORP/ISE Asymmetry see zero point Electromotive force of The electromotive force U of the electrode is the measurable electromo- an electrode tive force of an electrode in a solution. It equals the sum of all the gal- vanic voltages of the electrode.
  • Page 89 3320 Glossary Salinity The absolute salinity S of seawater corresponds to the relationship of the mass of dissolved salts to the mass of the solution (in g/Kg). In prac- tice, this dimension cannot be measured directly. Therefore, the practi- cal salinity according to IOT is used for oceanographic monitoring.
  • Page 90 Glossary pH/Cond 3320 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 mathematical function expressing the temperature behavior of a test sample, a sensor or part of a sensor.

  • Page 91: Index

    3320 Index Index Measurement data memory Edit ......69 Automatic switch-off function ... 16 Erase .
  • Page 92 Index pH/Cond 3320 Zero point of pH electrode ... . . 25 ba77054e03 03/2018...
  • Page 94 For more information on how Xylem can help you, go to xyleminc.com. ® Service address: Xylem Analytics Germany Sales GmbH & Co. KG Dr.-Karl-Slevogt-Str. 1 82362 Weilheim Germany Tel.: +49 881 183-325 Fax: +49 881 183-414 E-Mail wtw.rma@xyleminc.com Internet: www.WTW.com Xylem Analytics Germany GmbH Dr.-Karl-Slevogt-Str. 1 82362 Weilheim Germany...

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