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OPERATING MANUAL

ba75797e05 12/2017

Oxi 3205

DISSOLVED OXYGEN (D.O.) METER

3205

7.92

[Sal]

25.0

mg/l

°C

Содержание WTW Oxi 3205

Страница 1: ...OPERATING MANUAL ba75797e05 12 2017 Oxi 3205 DISSOLVED OXYGEN D O METER 3205 O2 7 92 Sal 25 0 mg l C ...

Страница 3: ...on navigation Setting the language 19 4 3 Sensor independent settings 21 4 3 1 Setting in the Configuration menu 21 4 3 2 Automatic Stability control 21 4 4 Dissolved oxygen 22 4 4 1 General information 22 4 4 2 Measuring 23 4 4 3 Settings for D O sensors menu or measurement and calibration settings 24 4 4 4 D O calibration 25 4 4 5 Displaying calibration records 27 4 5 Reset 28 4 5 1 Resetting th...

Страница 4: ...Contents Oxi 3205 4 ba75797d05 12 2017 6 What to do if 33 7 Technical data 35 7 1 General data 35 7 2 Measuring ranges resolution accuracy 36 8 Lists 39 ...

Страница 5: ...to perform D O measurements quickly and reliably The Oxi 3205 provides the maximum degree of operating comfort reliability and measuring certainty for all applications The proven OxiCal calibration procedure supports you in your work with the D O meter 1 Keypad 2 Display 3 Socket field 1 2 3 3205 O2 7 92 Sal 25 0 mg l C ...

Страница 6: ...A long keystroke approx 2 sec is indicated by the underscore behind the key symbol e g ENTER_ Oxi 3205 On Off Switches the meter on or off M Selects the measured parameter CAL CAL_ Calls up the calibration procedure Displays the calibration data Increments values scrolls Decrements values scrolls ENTER ENTER_ Opens the menu for measurement settings confirms entries Opens the menu for system settin...

Страница 7: ...y indicators 1 Status information 2 Measured value with unit 3 Measured parameter 4 Sensor symbol calibration evaluation calibration interval 5 Measured temperature with unit 6 Status line 25 0 7 92 C 3 2 4 5 6 1 O2 mg l Sal Error An error occurred during calibration ...

Страница 8: ...tion Only connect D O sensors to the meter that cannot return any voltages or currents that are not allowed SELV and current circuit with current limiting Almost all customary D O sensors fulfill these conditions Connectors 1 D O sensor 2 Service interface 2 1 ...

Страница 9: ...perience the operators will know the necessary safety precautions to take when handling chemicals Safety instructions Safety instructions in this operating manual are indicated by the warning symbol triangle in the left column The signal word e g Caution indicates the level of danger Warning indicates instructions that must be followed precisely in order to avoid possibly great dangers to personne...

Страница 10: ...It left the factory in a safe and secure technical condition Function and operational safety The smooth functioning and operational safety of the meter can only be guaranteed if the generally applicable safety measures and the specific safety instructions in this operating manual are followed during operation The smooth functioning and operational safety of the meter can only be guaranteed under t...

Страница 11: ... you are in any doubt please contact the supplier of the meter Obligations of the purchaser The purchaser of this meter must ensure that the following laws and guidelines are observed when using dangerous substances EEC directives for protective labor legislation National protective labor legislation Safety regulations Safety datasheets of the chemical manufacturers Caution In addition to the safe...

Страница 12: ...Safety Oxi 3205 12 ba75797e05 12 2017 ...

Страница 13: ...lso 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 The signs on the batteries must correspond to the signs in the battery compartment 1 Unscrew the two screws 1 on the underside of the meter 2 Open the battery compartment 2 on the underside of the met...

Страница 14: ...e measuring instrument if no key is pressed during the adjusted interval How to set the switch off interval see section 4 3 4 Close the battery compartment 2 and tighten the screws 1 1 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 Subsequently the meter switches to the measuring mode measured value display ...

Страница 15: ...ion The instrument has an automatic switch off function in order to save the batteries see section 4 3 The automatic switch off function switches off the measuring instrument if no key is pressed for an adjustable period Display illumination The meter automatically switches off the display illumination if no key is pressed for 30 seconds The illumination is switched on with the next keystroke agai...

Страница 16: ...odes navigation An overview of the operating modes and navigation of the Oxi 3205 is given in section 4 2 1 and section 4 2 2 4 2 1 Operating modes The meter has the following operating modes Measuring The measurement data of the connected sensor is shown in the measured value display Calibration The course of a calibration with calibration information functions and settings is displayed Setting T...

Страница 17: ...ntain further submenus The selection is made with the keys The current selection is displayed with a frame Settings Settings are indicated by a colon The current setting is displayed on the right hand side The setting mode is opened with ENTER Subsequently the setting can be changed with and ENTER Example Functions Functions are designated by the name of the function They are immediately carried o...

Страница 18: ... symbol It cannot be selected Example Note The principles of navigation are explained in the section Setting the language by reference of an example see section 4 2 3 Calibration record Calibration interval 14 d Temperature unit C Sal correction Off Reset i Air pressure 941 mbar O2 ...

Страница 19: ...the measuring mode 2 Using ENTER_ open the Configuration menu The instrument is in the setting mode 3 Select the Language submenu with The current selection is displayed with a frame 4 Open the setting mode for the Language with ENTER O2 7 92 mg l 25 1 C Language English Beep Off Illumination On Contrast 48 Switchoff time 30 min Service information Reset Configuration ...

Страница 20: ...elect the required language with 6 Confirm the setting with ENTER The meter switches to the measuring mode The selected language is active Language Deutsch Illumination On Contrast 48 Switchoff time 30 min Service information Reset Configuration ...

Страница 21: ...able 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 if you switch over between the measured parameters with M Menu item Setting Description Language Deutsch English further Select the menu language Illumination Auto On Off Switching the display illumination on off Contrast 0 100 Changing th...

Страница 22: ...uring instrument automatically recognizes the type of the connected D O sensor Temperature measurement The CellOx 325 and DurOx 325 D O sensors have an integrated temperature sensor Preparatory activities Perform the following preparatory activities when you want to measure Note Incorrect calibration of D O sensors will result in incorrect measured values Calibrate at regular intervals 1 Connect t...

Страница 23: ...checks the stability of the measurement signal The stability has a considerable impact on the reproducibility of measured values The display of the measured parameter flashes until a stable measured value is available Criteria for a stable measured value The Stability control function checks whether the measured values are stable within the monitored time interval The minimum duration until a meas...

Страница 24: ...h M Menu item Possible setting Description Calibration record Displays the calibration record of the last calibration Calibration interval 1 999 d Calibration interval for the D O sensor in days The meter reminds you to calibrate regularly by the flashing sensor symbol in the measuring window Temperature unit C F Temperature unit degrees Celsius or degrees Fahrenheit All temperatures are displayed...

Страница 25: ...erent types can be calibrated separately from each other When one sensor type is calibrated the calibration data of the other type remains stored The Oxi 3205 recognizes the type of the connected sensor and automatically uses the correct calibration data Calibration procedure Calibration in water vapor saturated air Use an OxiCal air calibration vessel for calibration Stability control AutoRead In...

Страница 26: ...ollows to calibrate the instrument Note The sponge in the air calibration vessel must be moist not wet Leave the sensor in the air calibration vessel for a time long enough to adjust Display Calibration record Relative slope S 0 8 1 25 S 0 7 0 8 S 0 6 0 7 Error Error S 0 6 or S 1 25 Eliminate the error according to chapter 6 WHAT TO DO IF 1 Connect the D O sensor to the meter 2 Put the D O sensor ...

Страница 27: ...pen it in the measured value display press the CAL_ key 4 Start the measurement with ENTER The measured value is checked for stability stability control The AR status indicator is displayed The measured parameter flashes 5 Wait for the end of the AutoRead measurement or accept the calibration value with ENTER The calibration record is displayed 6 Using ENTER switch to the measured value display O2...

Страница 28: ... after performing a reset The following settings for D O measurements are reset to the default settings with the Reset function The sensor settings are reset under theReset menu item in the menu for calibration and measurement settings To open the settings display the required parameter in the measured value display and press the ENTER key Setting Default settings Cal interval 14 d Comparison meas...

Страница 29: ...system settings can be reset to the delivery status The system settings are reset in the menu Configuration System Reset To open the Configuration menu press the ENTER_ key in the measured value display Setting Default settings Language English Contrast 50 Illumination Auto Switchoff time 1 h ...

Страница 30: ...Operation Oxi 3205 30 ba75797e05 12 2017 ...

Страница 31: ... 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 The signs on the batteries must correspond to the signs in the battery compartment 1 Unscrew the two screws 1 on the underside of the meter 2 Open the battery compartment 2 on the underside of the meter ...

Страница 32: ...hat contain solvents Remove any splashes immediately 5 3 Packing This meter is sent out in a protective transport packing We recommend Keep the packing material The original packing protects the meter against damage during transport 5 4 Disposal Note This meter contains batteries Batteries that have been removed must only be disposed of at a recycling facility set up for this purpose or via the re...

Страница 33: ...dy D O sensor contaminated Clean D O sensor and replace it if necessary Cause Remedy Cleaning interval expired Recalibrate the measuring system Cause Remedy Batteries almost empty Replace the batteries see section 5 1 MAINTENANCE Cause Remedy Operating condition undefined or EMC load unallowed Processor reset Press the ENTER and On Off key simultaneously Cause Remedy E g a question by the service ...

Страница 34: ...What to do if Oxi 3205 34 ba75797e05 12 2017 ...

Страница 35: ...ion 10 C 55 C Allowable relative humidity Annual mean 75 30 days year 95 Other days 85 Power supply Batteries 4 x 1 5 V alkali manganese batteries type AA Rechargeable batteries 4 x 1 2 V NiMH rechargeable batteries type AA no charging function Operational life up to 800 h without 100 h with illumination Guidelines and norms used EMC EC directive 2004 108 EC EN 61326 1 EN 61000 3 2 EN 61000 3 3 FC...

Страница 36: ... 200 0 0 200 0 600 0 1 1 1 D O partial pressure mbar 0 200 0 0 200 0 1250 0 1 1 1 T C 0 50 0 0 1 Accuracy 1 digit Parameter Accuracy D O concentration mg l 0 5 of measured value at ambient temperature 5 C 30 C Saturation 0 5 of measured value when measuring in the range of 10 K around the calibration temperature D O partial pressure mbar 0 5 of measured value at ambient temperature 5 C 30 C T C te...

Страница 37: ...rated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own e...

Страница 38: ...Technical data Oxi 3205 38 ba75797e05 12 2017 ...

Страница 39: ...ng system e g the displayed value to the correct value or a value that is regarded as correct Often this expression is also used when the measuring system is adjusted at the same time see adjusting D O partial pressure Pressure caused by the oxygen in a gas mixture or liquid D O saturation Short name for the relative D O saturation Measured parameter The measured parameter is the physical dimensio...

Страница 40: ...al conductivity Salt content General designation for the quantity of salt dissolved in water Slope relative Designation used by WTW in the D O measuring technique It expresses the relation of the slope value to the value of a theoretical reference sensor of the same construction type Stability control Function to control the measured value stability Test sample Designation of the test sample ready...

Страница 41: ...settings Measured parameter 28 System settings 29 E Energy saving feature 14 I Initial commissioning 13 14 Initialize 28 K Keys 6 M Measured value display 17 Measuring 23 Menus navigation 17 Messages 18 O Operational safety 10 P Precautions 9 R Reset 28 S Safety 9 Sample display 7 Saving 28 Scope of delivery 13 Slope relative 25 Socket field 8 Stability control Automatic 21 T Temperature measureme...

Страница 42: ...Lists Oxi 3205 42 ba75797d05 12 2017 ...

Страница 43: ......

Страница 44: ...rove the way water is used conserved and re used in the future is central to our work Our products and services move treat analyze monitor and return water to the environment in public utility industrial residential and commercial building services settings Xylem also provides a leading portfolio of smart metering network technologies and advanced analytics solutions for water electric and gas uti...

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