wtw Cond 3210 Operating Manual
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wtw Cond 3210 Operating Manual

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Operating manual
Cond 3210
Conductivity meter
ba75794e04
04/2012

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  • Page 1 Operating manual Cond 3210 Conductivity meter ba75794e04 04/2012...
  • Page 2 © Copyright Weilheim 2009, WTW GmbH Reproduction in whole - or even in part - is prohibited without the express written permission of WTW GmbH, Weilheim. Printed in Germany. ba75794e04 04/2012...

  • Page 3: Table Of Contents

    Contents Cond 3210 - Contents Overview ........5 Keypad .
  • Page 4 Contents Cond 3210 4.5.3 Erasing the measurement data storage ..41 Reset ........42 4.6.1...

  • Page 5: Overview

    Cond 3210 Overview Overview The Cond 3210 compact precision conductivity meter enables you to perform conductivity measurements quickly and reliably. The Cond 3210 provides the maximum degree of operating comfort, reliability and measuring certainty for all applications. The proven procedures for determining or adjusting the cell constant support your work with the conductivity meter.

  • Page 6: Keypad

    Overview Cond 3210 Keypad ENTER Cond 3210 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 7: Display

    Cond 3210 Overview <ENTER>: Opens the menu for measurement settings / confirms E N T E R <ENTER >: entries Opens the menu for system settings <AR> Freezes the measured value (HOLD function) Switches the AutoRead measurement on or off Display ӕ...

  • Page 8: Socket Field

    Overview Cond 3210 Socket field Connectors: Conductivity measuring cell Service interface Caution Only connect measuring cells to the meter that cannot return any voltages or currents that are not allowed (> SELV and > current circuit with current limiting). Almost all customary measuring cells fulfill these conditions.

  • Page 9: Safety

    Cond 3210 Safety Safety This operating manual contains basic instructions that you must follow during the commissioning, operation and maintenance of the meter. Consequently, all responsible personnel must read this operating manual before working with the meter. The operating manual must always be available within the vicinity of the meter.

  • Page 10: Authorized Use

    Safety Cond 3210 Authorized use Authorized use of the meter consists exclusively of the measurement of conductivity, resistivity, salinity, TDS (total dissolved solids) and temperature in a laboratory or field environment. The technical specifications as given in chapter 7 T...
  • Page 11  Safety datasheets of the chemical manufacturers. Caution In addition to the safety instructions mentioned here, also follow the safety instructions of the sensors used. The operating manuals of the sensors are available on the supplied CD and on the Internet under www.WTW.com. ba75794e04 04/2012...
  • Page 12 Safety Cond 3210 ba75794e04 04/2012...

  • Page 13: Commissioning

    Cond 3210 Commissioning Commissioning Scope of delivery  Conductivity meter Cond 3210  4 batteries 1.5 V Mignon type AA  Short instructions  CD-ROM with detailed operating manual Initial commissioning Perform the following activities:  Insert the supplied batteries ...

  • Page 14: Switching On The Meter

    Commissioning Cond 3210 Note Alternatively, you can also use Ni-MH rechargeable batteries (type Mignon AA). In order to charge the batteries, an external charging device is required. Caution Make sure that the poles of the batteries are positioned correctly. ±...

  • Page 15: Operation

    Cond 3210 Operation Operation Switching on the meter Switching on Press the <On/Off> key. The meter performs a self-test. The display shows the manufacturer's logo while the self-test is being performed. The measured value display appears. ӕ 1417 µS/cm 25.0 °C...

  • Page 16: General Operating Principles

    An overview of the operating elements and the display is given in display section 1.1 and section 1.2. Operating modes, An overview of the operating modes and navigation of the Cond 3210 navigation is given in section 4.2.1 and section 4.2.2. 4.2.1 Operating modes The meter has the following operating modes: ...

  • Page 17: Navigation

    Cond 3210 Operation 4.2.2 Navigation Measured value display In the measured value display, you can  Open the respective measuring menu with <F1> (short keystroke).  Open the Storage & config menu with the sensor-independent settings by pressing <F1 > (long keystroke, approx. 2 s).
  • Page 18 Operation Cond 3210  Functions Functions are designated by the name of the function. They are immediately carried out by confirming with <ENTER>. Example: Display the Calibration record function. ӕ Calibration record Calibration data storage Calibration interval 150 d 22.09.2008...

  • Page 19: Example 1 On Navigation: Setting The Language

    Cond 3210 Operation 4.2.3 Example 1 on navigation: Setting the language Press the <On/Off> key. The measured value display appears. The instrument is in the measuring mode. ӕ 1417 µS/cm 25.0 °C [Tr25][nLF][ 0.835 1/cm] 22.09.2008 Menu 08:00 Using <F1 >/[Menu] open the Storage &...
  • Page 20 Operation Cond 3210 System General Clock Service information Reset 22.09.2008 Back 08:00 Select the General submenu with <▲><▼>. The current selection is displayed with a frame. Open the General submenu with <ENTER>. General Language: Deutsch Beep Illumination Contrast 48 %...
  • Page 21 Cond 3210 Operation Confirm the setting with <ENTER>. The meter switches to the measuring mode. The selected language is active. ba75794e04 04/2012...

  • Page 22: Example 2 On Navigation: Setting The Date And Time

    Operation Cond 3210 4.2.4 Example 2 on navigation: Setting the date and time The measuring instrument has a clock with a date function. The date and time are indicated in the status line of the measured value display. When storing measured values and calibrating, the current date and time are automatically stored as well.
  • Page 23 Cond 3210 Operation Change and confirm the setting with <▲><▼> and <ENTER>. The minutes are highlighted. Change and confirm the setting with <▲><▼> and <ENTER>. The seconds are highlighted. Change and confirm the setting with <▲><▼> and <ENTER>. The time is set.

  • Page 24: Sensor-Independent Settings

    Operation Cond 3210 Sensor-independent settings The Storage & config menu comprises the following settings:  System (see section 4.3.1).  Data storage (see section 4.3.2) 4.3.1 System Overview The following sensor-independent meter characteristics can be adjusted in the Storage & config/System menu: ...

  • Page 25: Data Storage

    For details, see section 4.6.2 4.3.2 Data storage This menu contains all functions to display, edit and erase stored measured values and calibration records. Note Detailed information on the storage functions of the Cond 3210 is given in section 4.5. ba75794e04 04/2012...

  • Page 26: Automatic Stability Control

    Operation Cond 3210 4.3.3 Automatic Stability control The automatic Stability control (AutoRead) function continuously checks the stability of the measurement signal. You can activate or switch off the automatic Stability control function (see section 4.4.4). The measured parameter flashes on the display ...

  • Page 27: Conductivity

    Cond 3210 Operation Conductivity 4.4.1 General information You can measure the following variables:  Conductivity  Specific resistance  Salinity  Total dissolved solids (TDS) The measuring instrument is supplied with the following functions:  AutoRange (automatic switchover of the measurement range). If a...

  • Page 28: Measuring

    Operation Cond 3210 4.4.2 Measuring You can carry out conductivity measurements as follows: Perform the preparatory activities according to section 4.4.1. Immerse the conductivity measuring cell in the test sample. ӕ 1417 µS/cm 25.0 °C [Tr25][nLF][ 0.835 1/cm] 22.09.2008 Menu...
  • Page 29 Cond 3210 Operation Stability control The stability control function (AutoRead) continually checks the stability (AutoRead ) of the measurement signal. The stability has a considerable impact on the reproducibility of measured values. The measured parameter flashes on the display  as soon as the measured value is outside the stability range ...

  • Page 30: Temperature Compensation

    Operation Cond 3210 4.4.3 Temperature compensation The calculation of the temperature compensation is based on the preset reference temperature, 20 °C or 25 °C. It appears on the display as Tr20 or Tr25. You can select one of the following temperature compensation methods: ...

  • Page 31: Settings For Conductivity Measuring Cells

    Cond 3210 Operation 4.4.4 Settings for conductivity measuring cells Overview The following settings are possible for conductivity measuring cells:  Calibration record (display)  Calibration interval  Measuring cell/cell constant  Reference temperature  Temperature compensation  TDS factor  Unit of the temperature ...
  • Page 32 Operation Cond 3210 Menu item Possible Description setting Measurement / Measuring cell used Measuring cell / Measuring cells the cell Type constant of which is determined by calibration in the KCL control standard solution. Calibration ranges: 0.450 to 0.500 cm 0.800 to 0.880 cm...
  • Page 33 Cond 3210 Operation Menu item Possible Description setting Measurement / Measuring cell used Measuring cell / Measuring cells the cell Type constant of which is determined by calibration in the KCL control standard solution. Calibration ranges: 0.450 to 0.500 cm 0.800 to 0.880 cm...
  • Page 34 Operation Cond 3210 Menu item Possible Description setting Measurement / 0.000 ... Coefficient of the linear Temp. comp. (TC) / 3.000 %/K temperature compensation. Linear coeff. This setting is only available when the linear temperature compensation is set. Measurement / 20 °C...

  • Page 35: Determining The Cell Constant

    Cond 3210 Operation 4.4.5 Determining the cell constant (calibration in control standard) Why determine the cell Aging slightly changes the cell constant, e. g. by coatings. As a result, constant? an inexact measured value is displayed. The original characteristics of the cell can often be restored by cleaning the cell.

  • Page 36: Displaying Calibration Records

    Operation Cond 3210 Determining the cell For this calibration procedure, the Measuring cell setting must be set to constant cal in the measuring menu. Proceed as follows to determine the cell constant: Connect a conductivity measuring cell to the measuring instrument.
  • Page 37 Cond 3210 Operation ba75794e04 04/2012...

  • Page 38: Data Storage

    AutoRead criterion was met while storing (stable measured value). Otherwise, the AR display is missing.  Calibration evaluation: +++, ++, +, -, or no evaluation Storage locations The Cond 3210 meter has a measurement data storage. Storage Maximum number of datasets Manual data storage...

  • Page 39: Manual Storage

    Cond 3210 Operation 4.5.1 Manual storage You can transmit a measurement dataset to the data storage as follows. Press the <STO> key shortly. The menu for manual storage appears. Manual data storage 4 From 200 30.10.2008 11:24:16 pH 7.000 24.8 °C AR +++...

  • Page 40: Storage

    Operation Cond 3210 contents. Editing the data storage The storage is edited in the menu, Storage & config/ Data storage. To open the Storage & config menu, press the <F1 >[Menu] key in the measured value display. Open the manual storage directly with the <RCL>...

  • Page 41: Erasing The Measurement Data Storage

    Cond 3210 Operation 4.5.3 Erasing the measurement data storage How to erase the measurement data storage is described in section 4.5.2 D ISPLAYING AND EDITING THE MEASUREMENT DATA STORAGE ba75794e04 04/2012...

  • Page 42: Reset

    Operation Cond 3210 Reset You can reset (initialize) all sensor settings and sensor-independent settings separately from each other. 4.6.1 Resetting the measurement settings Note The calibration data are reset to the default settings together with the measuring parameters. Recalibrate after performing a reset.

  • Page 43: Resetting The System Settings

    Cond 3210 Operation 4.6.2 Resetting the system settings The following system settings can be reset to the delivery status: Setting Default settings Language English Beep Contrast 50 % Illumination Switchoff time The system settings are reset in the menu, Storage & config / System / Reset.
  • Page 44 Operation Cond 3210 ba75794e04 04/2012...

  • Page 45: Maintenance, Cleaning, Disposal

    Cond 3210 Maintenance, cleaning, disposal Maintenance, cleaning, disposal Maintenance The only maintenance activity required is replacing the batteries. Note See the relevant operating manuals of the measuring cells for instructions on maintenance. 5.1.1 Replacing the batteries Unscrew the two screws (1) on the underside of the meter.

  • Page 46: Cleaning

    Maintenance, cleaning, disposal Cond 3210 Close the battery compartment (2) and tighten the screws (1). Cleaning Occasionally wipe the outside of the measuring instrument with a damp, lint-free cloth. Disinfect the housing with isopropanol as required. Caution The housing is made of synthetic material (ABS). Thus, avoid contact with acetone or similar detergents that contain solvents.

  • Page 47: What To Do If

    Cond 3210 What to do if... What to do if... Error message, Cause Remedy – Measured value outside the – Use suitable measuring cell measuring range Error message, Cause Remedy Error – Measuring cell contaminated – Clean cell and replace it if necessary –...
  • Page 48 What to do if... Cond 3210 ba75794e04 04/2012...

  • Page 49: Technical Data

    Cond 3210 Technical data Technical data General data Dimensions approx. 180 x 80 x 55 mm Weight approx. 0.4 kg Mechanical structure Type of protection IP 67 Electrical safety Protective class Test certificates CE, cETLus Ambient Storage - 25 °C ... + 65 °C...

  • Page 50: Measuring Ranges, Resolution, Accuracy

    Technical data Cond 3210 Measuring ranges, resolution, accuracy Measuring ranges, Parameter Measuring range Resolution resolution ӕ [µS/cm] 0.000 ... 1.999* 0.001 0.00 ... 19.99** 0.01 0.0 ... 199.9 200 ... 1999 ӕ [mS/cm] 2.00 ... 19.99 0.01 20.0 ... 199.9 200 ...
  • Page 51 Cond 3210 Technical data Accuracy (± 1 digit) Parameter Accuracy Temperature of the test sample ρ ӕ and / temperature compensation None (Off) ± 0.5 % Nonlinear (nLF) ± 0.5 % 0 °C ... + 35 °C according to EN 27 888 ±...
  • Page 52 Technical data Cond 3210 FCC Class A Equipment Statement Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.

  • Page 53: Lists

    Cond 3210 Lists Lists This chapter provides additional information and orientation aids. Specialist terms The glossary briefly explains the meaning of the specialist terms. However, terms that should already be familiar to the target group are not described here. Index The index will help you to find the topics that you are looking for.
  • Page 54 Lists Cond 3210 Reference Fixed temperature value to compare temperature-dependent temperature measured values. For conductivity measurements, the measured 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.
  • Page 55 Cond 3210 Lists Index Authorized use ..... . 10 Operational safety ....10 Automatic switch-off .
  • Page 56 Lists Cond 3210 ba75794d04 04/2012...
  • Page 58 Wissenschaftlich-Technische Werkstätten GmbH Dr.-Karl-Slevogt-Straße 1 D-82362 Weilheim Germany Tel: +49 (0) 881 183-0 +49 (0) 881 183-100 Fax: +49 (0) 881 183-420 E-Mail: Info@WTW.com Internet: http://www.WTW.com...

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