wtw Multi 3410 Operating Manual
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wtw Multi 3410 Operating Manual

Digital ph / dissolved oxygen / conductivity meter for a digital ids sensor
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Operating manual
Multi 3410
Digital pH / dissolved oxygen /
conductivity meter
for a digital IDS sensor
ba75863e02
12/2009

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  • Page 1 Operating manual Multi 3410 Digital pH / dissolved oxygen / conductivity meter for a digital IDS sensor ba75863e02 12/2009...
  • Page 2 © Copyright Weilheim 2009, WTW GmbH Reproduction in whole - or even in part - is prohibited without the express writ- ten permission of WTW GmbH, Weilheim. Printed in Germany. ba75863e02 12/2009...

  • Page 3: Table Of Contents

    Contents Multi 3410 - Contents Overview ........7 Keypad .
  • Page 4 Contents Multi 3410 4.6.5 Calibration interval ..... . . 45 4.6.6 Carrying out an automatic calibration (AutoCal) . 46 4.6.7 Carrying out a manual calibration (ConCal) .
  • Page 5 Multi 3410 Contents Conductivity........90 Technical data ....... . 91 General data .
  • Page 6 Contents Multi 3410 ba75863e01 12/2009...

  • Page 7: Overview

    (D.O.) measurements quickly and reliably. The Multi 3410 provides the maximum degree of operating comfort, reliability and measuring certainty for all applications. The Multi 3410 supports you in your work with the following functions: proven calibration procedures automatic stability control (AR),...

  • Page 8: Keypad

    Overview Multi 3410 The two USB interfaces (USB-A and USB-B) enable you to: Transmit data to – a USB memory device – a PC Update the meter firmware. Keypad MENU MENU ENTER ENTER pH 3410 In this operating manual, keys are indicated by brackets <..> .

  • Page 9: Display

    Multi 3410 Overview <STO>: Saves a measured value manually <STO >: Opens the menu for the automatic save function <RCL>: Displays the manually stored measured values <RCL >: Displays the automatically stored measured values < >< >: Menu control, navigation <...
  • Page 10 Overview Multi 3410 Function display AutoCal Calibration with automatic buffer recognition, e.g. indicators e.g. TEC with the buffer set: Technical buffers ConCal Calibration with any buffers Error An error occurred during calibration Stability control (AutoRead) is active HOLD Measured value is frozen (<AR> key)

  • Page 11: Socket Field

    USB B (Device) interface Service interface CAUTION Only connect sensors to the meter that cannot return any voltages or currents that are not allowed (> SELV and > current circuit with current limiting). WTW IDS sensors meet these requirements. ba75863e02 12/2009...

  • Page 12: Automatic Sensor Recognition

    To be able to use the automatic sensor recognition, a meter that sup- ports the automatic sensor recognition (e.g. Multi 3410) and a digital IDS sensor are required. In digital IDS sensors, sensor data are stored that clearly identify the sensor.
  • Page 13 Multi 3410 Overview Sensor data from IDS IDS sensors transmit the following sensor data to the meter: sensors SENSOR ID – Sensor name – Sensor series number Calibration data – Calibration date – Calibration characteristics – Calibration interval – Selected buffer set (IDS pH sensors only) –...
  • Page 14 Overview Multi 3410 ba75863e02 12/2009...

  • Page 15: Safety

    Multi 3410 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 man- ual before working with the meter. The operating manual must always be available within the vicinity of the meter.

  • Page 16: Authorized Use

    Safety Multi 3410 Authorized use The authorized use of the meter consists exclusively of the measure- ment of the pH, ORP, conductivity and dissolved oxygen in a field and laboratory environment. The technical specifications as given in chapter 7 T...
  • Page 17 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 sup- plied CD and on the Internet under www.WTW.com. ba75863e02 12/2009...
  • Page 18 Safety Multi 3410 ba75863e02 12/2009...

  • Page 19: Commissioning

    Detailed operating manual (4 languages) CD-ROM Power supply The Multi 3410 is supplied with power in the following ways: Battery operation with NiMh rechargeable batteries Mains operation with the supplied power pack. The NiMh rechargeable batteries are automatically charged while the power pack is connected.

  • Page 20: Connecting The Power Pack / Charging The Batteries

    Commissioning Multi 3410 Place four rechargeable batteries (type Mignon AA) in the bat- tery compartment. CAUTION Make sure that the poles of the rechargeable batteries are posi- tioned correctly. ± ± signs on the batteries must correspond to the signs in the battery compartment.

  • Page 21: Switching On The Meter

    Multi 3410. Connect the original power pack to an easily accessible power outlet. The batteries are automatically charged in the background. You can continue to work with the Multi 3410 during the charg- ing process. The symbol is displayed. Note Charge the batteries completely prior to putting the meter into operation for the first time.
  • Page 22 Commissioning Multi 3410 ba75863e02 12/2009...

  • Page 23: Operation

    Multi 3410 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. If a sensor is connected the measured value display appears.

  • Page 24: General Operating Principles

    An overview of the operating elements and the display is given in sec- display tion 1.1 and section 1.2. Operating modes, An overview of the operating modes and navigation of the Multi 3410 is navigation given in section 4.2.1 and section 4.2.2. 4.2.1 Operating modes...

  • Page 25: Navigation

    Multi 3410 Operation 4.2.2 Navigation Measured value display In the measured value display, you can open the menu for calibration and measurement settings with <MENU/ENTER> (short keystroke) open the Storage & config menu with the sensor-independent set- tings by pressing <MENU/ENTER >...
  • Page 26 Operation Multi 3410 Functions are designated by the name of the function. They are immediately carried out by confirming with <MENU/ENTER>. Exam- ple: Display the Calibration record function. Calibration record Buffer: One point calibration: Calibration interval: Unit for slope: mV/pH Calibration data storage ] 2.00 4.01 7.00 10.01...

  • Page 27: Example 1 On Navigation: Setting The Language

    Multi 3410 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. Info 22.09.2009 08:00 Open the Storage & config menu with <MENU/ENTER >. The instrument is in the setting mode.
  • Page 28 Operation Multi 3410 System General Interface Clock function Service information Reset 22.09.2009 08:00 Select the General submenu with < >< >. The current selection is displayed with a frame. Open the General submenu with <MENU/ENTER>. General Language: Deutsch Beep: Illumination:...

  • Page 29: Example 2 On Navigation: Setting The Date And Time

    Multi 3410 Operation Select the required language with < >< >. Confirm the setting with <MENU/ENTER>. The meter switches to the measuring mode. The selected language is active. 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.
  • Page 30 Operation Multi 3410 Clock function Date format: dd.mm.yy Date: 30.09.2009 Time: 14:53:40 22.09.2009 08:00 Select and confirm the Time menu with < >< > and <MENU/ ENTER>. The hours are highlighted. Change and confirm the setting with < >< > and <MENU/ ENTER>.

  • Page 31: Sensor-Independent Settings

    Multi 3410 Operation Sensor-independent settings The Storage & config menu includes 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 32 Operation Multi 3410 Menu item Setting Description System / General / Temperature °C Temperature unit, unit °F degrees Celsius or degrees Fahrenheit. All temperatures are displayed with the selected unit. System / General / Stability control Switches on or off the auto-...

  • Page 33: Data Storage

    This menu contains all functions to display, edit and erase stored mea- sured values. Note Detailed information on the storage functions of the Multi 3410 is given in section 4.9. 4.3.3 Automatic Stability control The automatic Stability control (AutoRead) function continuously checks the stability of the measurement signal.

  • Page 34: Channel Display

    Operation Multi 3410 More 22.09.2009 08:00 Display further sensor data (settings) with [More]. Man. temperature: 25 °C Resolution pH 0.001 Resolution mV Buffer Calibration interval Unit for slope mV/pH QSC: 30.09.2009 08:00 Channel display Info 22.09.2009 08:00 ba75863e02 12/2009...

  • Page 35: Ph Value

    Multi 3410 Operation pH value 4.6.1 General information You can measure the following variables: pH value [ ] Sensor voltage [mV] Note The sensor connection and the USB-B (device) interface are galvani- cally isolated. This enables interference-free measurements in grounded measuring media.

  • Page 36: Measuring The Ph Value

    Operation Multi 3410 4.6.2 Measuring the pH value Perform the preparatory activities according to section 4.6.1. Immerse the IDS pH sensor in the test sample. Info 22.09.2009 08:00 Select the pH or mV display with <M>. Stability control The stability control function (AutoRead) continually checks the stability (AutoRead ) of the measurement signal.
  • Page 37 Multi 3410 Operation Note You can prematurely terminate the Stability control function manually with <MENU/ENTER> at any time. If the Stability control function is pre- maturely terminated, the current measurement data are output to the interface without the AutoRead info.

  • Page 38: Settings For Ph Measurements

    Operation Multi 3410 4.6.3 Settings for pH measurements Overview The following settings are possible for pH measurements: Resolution Calibration interval Buffers for calibration Automatic stability control Unit for slope Calibration record (display) Settings The settings are made in the menu for calibration and measurement settings of the pH/ORP measurement.
  • Page 39 Multi 3410 Operation Menu item Possible set- Description ting pH resolution 0.001 Resolution of the pH display 0.01 mV resolution Resolution of the mV dis- play Reset Resets all sensor settings to the delivery condition (see section 4.11.1). QSC /First calibra-...

  • Page 40: Ph Calibration

    Operation Multi 3410 4.6.4 pH calibration Why calibrate? IDS pH sensors age. This changes the zero point (asymmetry) and slope of the IDS pH sensor. As a result, an inexact measured value is displayed. Calibration determines the current values of the zero point and slope of the IDS pH sensor and stores them in the measuring instrument.
  • Page 41 Multi 3410 Operation Buffer set * pH val- Merck 5 * 4.010 25 °C 7.000 10.000 DIN 19267 1.090 25 °C 4.650 6.790 9.230 Mettler Toledo US * 1.679 25 °C 4.003 7.002 10.013 Mettler Toledo EU * 1.995 25 °C 4.005...
  • Page 42 Operation Multi 3410 Buffer set * pH val- 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 20°C 4.000 7.000 10.000 13.000 Reagecon 25 * 2.000 25 °C 4.000 7.000...
  • Page 43 Multi 3410 Operation Calibration points Calibration can be performed using one to five buffer solutions in any order (single-point to five-point calibration). The meter determines the following values and calculates the calibration line as follows: Determined val- Displayed calibration data...
  • Page 44 Operation Multi 3410 Sample record 31.07.2009 15:55 Multi 3410 Ser. no. B211371282 CALIBRATIONpH 31.07.2009 16:13:33 SenTix 940 Ser. no. B211371282 AutoCal TEC Buffer 1 4.01 Buffer 2 7.00 Buffer 3 10.01 Voltage 1 184.0 mV 24.0 °C Voltage 2 3.0 mV 24.0 °C...

  • Page 45: Calibration Interval

    Multi 3410 Operation Preparatory activities Perform the following preparatory activities when you want to calibrate: Connect the IDS pH sensor to the meter. The pH measuring window is displayed. Keep the buffer solutions ready. 4.6.5 Calibration interval The calibration evaluation is displayed as a sensor symbol.

  • Page 46: Carrying Out An Automatic Calibration (Autocal)

    Operation Multi 3410 4.6.6 Carrying out an automatic calibration (AutoCal) Make sure that in the sensor menu, Buffer menu, the buffer set is cor- rectly selected (see page 38). Use any one to five buffer solutions of the selected buffer set in ascend- ing or descending order.
  • Page 47 Multi 3410 Operation 22.09.2009 08:00 Wait for the end of the measurement with stability control or accept the calibration value with <MENU/ENTER>. The calibration display for the next buffer appears. 22.09.2009 08:00 If necessary, finish the calibration procedure as a single-point calibration with <M>.
  • Page 48 Operation Multi 3410 22.09.2009 08:00 Wait for the measurement with stability control to be completed or terminate the stability control and take over the calibration value with <MENU/ENTER>. The calibration display for the next buffer appears. 22.09.2009 08:00 Finish the calibration procedure as a two-point calibration with <M>.
  • Page 49 Multi 3410 Operation 22.09.2009 08:00 Use <M> to finish the calibration. The calibration record is displayed. Switch to calibration with the next buffer with <MENU/ ENTER>. Note Calibration is automatically completed after the last buffer of a buffer set has been measured. Then the calibration record is displayed.

  • Page 50: Carrying Out A Manual Calibration (Concal)

    Operation Multi 3410 4.6.7 Carrying out a manual calibration (ConCal) Single-point calibration Use any buffer solution for this rapid method. The calibration will be the more exact the nearer the pH value of the buffer solution is to that of the test sample.
  • Page 51 Multi 3410 Operation 22.09.2009 08:00 Wait for the measurement with stability control to be com- pleted. Set the nominal buffer value for the measured temperature with < >< >. Take over the calibration value for the asymmetry with <MENU/ ENTER>.

  • Page 52: Displaying Calibration Records

    Operation Multi 3410 Continuing with two- Thoroughly rinse the IDS pH sensor with distilled water. point calibration Immerse the IDS pH sensor in buffer solution 2. Start the measurement with <MENU/ENTER>. The measured value is checked for stability (stability control).
  • Page 53 Multi 3410 Operation Menu item Setting/func- Description tion Calibration / Displays the calibration Calibration data stor- records. Further options: Scroll through the cali- bration records with < >< >. Output the displayed calibration record to the interface with <PRT>. Output all calibration records to the interface with <PRT...

  • Page 54: Continuous Measurement Control

    Operation Multi 3410 4.6.9 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 55: Qsc Function (Sensor Quality Control)

    Multi 3410 Operation 4.6.10 QSC function (sensor quality control) General information The QSC function (Quality Sensor Control) is a new sensor evaluation on the QSC function for digital IDS sensors. It evaluates the condition of an IDS pH sensor individually and with a very fine grading.
  • Page 56 Operation Multi 3410 QSC calibration The QSC function is enabled by once carrying out an additional three- point calibration with special QSC buffer solutions. It covers the entire measuring range of the sensor. The QSC initial calibration determines the actual condition of the sensor and stores it as a reference in the sensor.
  • Page 57 Multi 3410 Operation As soon as the three-point calibration has been successfully carried out you can decide whether to accept or discard the cal- ibration as the QSC initial calibration. The QSC initial calibration is completed. The sensor is calibrated. If you want to calibrate with special buffers for your measurements, you can subsequently carry out a normal calibration with your buffers.

  • Page 58: Orp Voltage

    Operation Multi 3410 ORP voltage 4.7.1 General information You can measure the following variables: ORP [mV] Note The sensor connection and the USB-B (device) interface are galvani- cally isolated. This enables interference-free measurements in grounded measuring media. Preparatory activities Perform the following preparatory activities when you want to measure: Connect the IDS ORP sensor to the meter.

  • Page 59: Settings For Orp Measurements

    Multi 3410 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 display of the measured parameter flashes until a stable measured value is available.
  • Page 60 Operation Multi 3410 Resolution Automatic stability control Settings The settings are made in the menu for measuring settings of the ORP measurement. To open the settings, display the required measured parameter in the measured value display and press the <MENU/ ENTER>...

  • Page 61: Conductivity

    Multi 3410 Operation Conductivity 4.8.1 General information You can measure the following variables: Conductivity Specific resistance Salinity Total dissolved solids (TDS) Temperature IDS sensors measure the temperature with a temperature sensor inte- measurement grated in the IDS sensor. Preparatory activities Perform the following preparatory activities when you want to measure: Connect an IDS conductivity sensor to the meter.
  • Page 62 Operation Multi 3410 Selecting the You can switch between the following displays with <M>: displayed Conductivity [μS/cm] / [mS/cm] measured parameter Resistivity [Ω·cm] / [kΩ·cm] / [MΩ·cm] Salinity SaL [ ] Total dissolved solids TDS [mg/l] / [g/l] The factor to calculate the total dissolved solids is set to 1.00 in the fac- tory.
  • Page 63 Multi 3410 Operation Using <MENU/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: Temperature Compensation

    Operation Multi 3410 4.8.3 Temperature compensation The calculation of the temperature compensation is based on the pre- set 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 meth-...

  • Page 65: Settings For Ids Conductivity Sensors

    Multi 3410 Operation 4.8.4 Settings for IDS conductivity sensors Overview The following settings are possible for IDS conductivity sensors: Calibration record (display) Calibration interval Reference temperature Temperature compensation TDS factor Unit of the temperature Automatic Stability control Settings The settings are made in the Measurement menu for the measured parameter, conductivity.
  • Page 66 Operation Multi 3410 Menu item Possible Description setting Measurement / 0.450 ... Display and setting option of the Measuring cell / 0.475 ... cell constant of any measuring Man. cell const. 0.500 cm cells (man). Measurement / Procedure for temperature com- Temp.
  • Page 67 Multi 3410 Operation Setting menu of Menu item Possible set- Description LR325/01 ting Measurement / 0.090 ..Display and setting option of Measuring cell / 0.100 ... the cell constant of any mea- Cell constant 0.110 cm suring cells (man).

  • Page 68: Determining The Cell Constant (Calibration In Control Standard)

    Operation Multi 3410 4.8.5 Determining the cell constant (calibration in control standard) Why determine the cell Aging slightly changes the cell constant, e. g. due to coatings. As a constant? result, an inexact measured value is displayed. The original character- istics of the cell can often be restored by cleaning the cell.
  • Page 69 Multi 3410 Operation Display Calibration Cell constant [cm record Within the range 0.450 ... 0.500 cm Outside the range Error Error 0.450 ... 0.500 cm Eliminate the error according to chapter 6 W HAT TO DO IF Determining the cell...

  • Page 70: Displaying Calibration Records

    Operation Multi 3410 Wait for the end of the measurement with stability control or accept the calibration value with <MENU/ENTER>. The calibration record is displayed and output to the interface. Switch to the measured value display with <MENU/ENTER>. 4.8.6 Displaying calibration records The calibration data can be displayed and then output to the interface.

  • Page 71: Data Storage

    - 4 levels (+++, ++, +, -, or no evaluation) or - QSC (percentage) Storage locations The Multi 3410 meter has two measurement data memories. The mea- sured values recorded either manually or automatic are stored sepa- rately in individual measurement data memories.

  • Page 72: Manual Storage

    Operation Multi 3410 4.9.1 Manual storage You can transmit a measurement dataset to the data storage as fol- lows. The dataset is at the same time output to the interface: Press the <STO> key shortly. The menu for manual storage appears.

  • Page 73: Automatic Storage At Intervals

    Multi 3410 Operation 4.9.2 Automatic storage at intervals The storage interval (Interval) determines the time interval between automatic storage processes. Each storage process transmits the cur- rent dataset to the interface at the same time. Configuring the Press the <STO >...
  • Page 74 Operation Multi 3410 Starting the automatic To start the automatic storage function, select Continue with < >< > storage function and confirm with <MENU/ENTER>. The meter switches to the mea- sured value display. Remaining storage duration Graphical display of the...

  • Page 75: Editing The Measurement Data Storage

    Multi 3410 Operation 4.9.3 Editing the measurement data storage The contents of the manual or automatic measurement data storage can be shown on the display. 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 &...
  • Page 76 Operation Multi 3410 Menu item Setting/func- Description tion Data storage / Erases the entire manual Manual data storage / measurement data stor- Erase age. Note: All calibration data remains stored when this action is performed. Display presentation Manual data storage (200) 3 of 64 of a dataset 30.09.2009 11:24:16 ID number: 1...

  • Page 77: Erasing The Measurement Data Storage

    Multi 3410 Operation <ESC>. 4.9.4 Erasing the measurement data storage How to erase the measurement data memory is described in section 4.9.3 E DITING THE MEASUREMENT DATA STORAGE ba75863e02 12/2009...

  • Page 78: Transmitting Data (Usb Interfaces)

    Via the USB-A interface (USB Host) it is possible to transfer data to an external USB memory device. 4.10.3 Connecting the PC / USB-B interface (USB Device) Connect the Multi 3410 to the PC via the USB-B interface. Installation of the USB System requirements of the PC for installation of the USB driver:...

  • Page 79: Connecting The Usb Memory Device / Usb-A Interface (Usb Host)

    – Stop bits: 1 4.10.4 Connecting the USB memory device / USB-A interface (USB Host) Connect the USB-A interface (USB Host) of the Multi 3410 to a USB flash drive. Connect the USB printer or a USB memory device to the USB Host interface.

  • Page 80: Options For Data Transmission

    Operation Multi 3410 4.10.5 Options for data transmission Via the USB-B interface you can transmit data to a PC. Via the USB-A interface you can transmit data to a USB memory device. The following table shows which data are transmitted to the interface in which way:...

  • Page 81: Reset

    Multi 3410 Operation 4.11 Reset You can reset (initialize) all sensor settings and sensor-independent settings separately from each other. 4.11.1 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 82 Operation Multi 3410 The following settings for ORP measurements are reset to the default settings with the Reset function: Setting Default settings Resolution mV Man. temperature 25 °C Stability control The sensor settings are reset under the Reset menu item in the menu for calibration and measurement settings.

  • Page 83: Resetting The System Settings

    Multi 3410 Operation 4.11.2 Resetting the system settings The following system settings can be reset to the default condition: Setting Default settings Language English Acoustic signal Volume Baud rate 4800 Baud Output format ASCII Decimal separator Brightness Illumination Auto Switchoff time Temperature unit °C...
  • Page 84 Operation Multi 3410 ba75863e02 12/2009...

  • Page 85: Maintenance, Cleaning, Disposal

    Multi 3410 Maintenance, cleaning, disposal Maintenance, cleaning, disposal Maintenance The only maintenance activity required is replacing the batteries. Note See the relevant operating manuals of the IDS sensors for instructions on maintenance. 5.1.1 Replacing the rechargeable batteries Unscrew the two screws (1) on the underside of the meter.

  • Page 86: Cleaning

    Maintenance, cleaning, disposal Multi 3410 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 con- tact with acetone or similar detergents that contain solvents.

  • Page 87: What To Do If

    Multi 3410 What to do if... What to do if... General information Sensor symbol flashes Cause Remedy – Calibration interval expired – Recalibrate the measuring system Cause Remedy – Batteries almost empty – Charge the batteries (see section 3.3.2 C...
  • Page 88 What to do if... Multi 3410 Error message OFL, UFL Cause Remedy IDS pH sensor: – Measured value outside the – Use suitable IDS pH sensor measuring range – Air bubble in front of the dia- – Remove air bubble phragm –...
  • Page 89 Multi 3410 What to do if... No stable measured Cause Remedy value IDS pH sensor: – Junction contaminated – Clean the junction – Membrane contaminated – Clean membrane Test sample: – pH value not stable – Measure with air excluded if necessary –...

  • Page 90: Conductivity

    What to do if... Multi 3410 Conductivity Error message, Cause Remedy – Measured value outside the – Use suitable IDS conductiv- measuring range ity sensor Error message, Cause Remedy Error – IDS conductivity sensor contam- – Clean and if necessary,...

  • Page 91: Technical Data

    Multi 3410 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 Ambient Storage - 25 °C ... + 65 °C...

  • Page 92: Measuring Ranges, Resolution, Accuracy

    Technical data Multi 3410 Applicable directives EC directive 2004/108/EC and standards EN 61326-1 EN 61000-3-2 EN 61000-3-3 FCC Class A Meter safety EC directive 2006/95/EC EN 61010-1 Climatic class VDI/VDE 3540 IP protection class EN 60529 FCC Class A Equipment Statement...

  • Page 93: Lists

    Multi 3410 Lists Lists This chapter provides additional information and orientation aids. Specialist terms The glossary briefly explains the meaning of the specialist terms. How- ever, terms that should already be familiar to the target group are not described here.
  • Page 94 Lists Multi 3410 ORP voltage The ORP is caused by oxidizing or reducing substances dissolved in water if these substances become effective on an electrode surface (e. g. a gold or platinum surface). pH value The pH value is a measure of the acidic or basic effect of an aqueous solution.
  • Page 95 Multi 3410 Index Authorized use ..... . 16 Automatic switch-off ....23 Measured value display .
  • Page 96 Index Multi 3410 Temperature compensation ... 64 Temperature measurement ... . 61 pH ......35 Three-point calibration pH .

  • Page 97: Appendix: Firmware Update

    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 Multi 3410). Program installation Install the downloaded firmware update on a PC.
  • Page 98 Appendix: Firmware update Multi 3410 ba75863e02 12/2009...
  • Page 100 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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