Xylem WTW Oxi 3210 User manual

OPERATING MANUAL
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Oxi 3210
DISSOLVED OXYGEN (D.O.) METER

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Oxi 3210
Copyright © 2021 Xylem Analytics Germany GmbH
Printed in Germany.

Oxi 3210 Contents
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Oxi 3210 - Contents
1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.1 Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.2 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.3 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.1 Authorized use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.2 General safety instructions . . . . . . . . . . . . . . . . . . . . . . . 12
3 Commissioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.1 Scope of delivery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.2 Initial commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.2.1 Inserting the batteries. . . . . . . . . . . . . . . . . . . . . 15
3.2.2 Switching on the meter. . . . . . . . . . . . . . . . . . . . 16
3.2.3 Setting the date and time . . . . . . . . . . . . . . . . . 16
4 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.1 Switching on the meter . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.2 General operating principles . . . . . . . . . . . . . . . . . . . . . . 18
4.2.1 Operating modes . . . . . . . . . . . . . . . . . . . . . . . . 18
4.2.2 Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.2.3 Navigation example 1: Setting the language . . . 21
4.2.4 Example 2 on navigation: Setting the
date and time . . . . . . . . . . . . . . . . . . . . . . . . 23
4.3 Sensor-independent settings . . . . . . . . . . . . . . . . . . . . . 25
4.3.1 System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.3.2 Data storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
4.3.3 Automatic Stability control . . . . . . . . . . . . . . . . . 26
4.4 Dissolved oxygen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.4.1 General information . . . . . . . . . . . . . . . . . . . . . . 27
4.4.2 Measuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.4.3 Settings for D.O. sensors (menu for
measurement and calibration settings) . . . . . . . 30
4.4.4 D.O. calibration . . . . . . . . . . . . . . . . . . . . . . . . . 31
4.4.5 Displaying calibration records . . . . . . . . . . . . . . 33
4.5 Data memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
4.5.1 Manual storage . . . . . . . . . . . . . . . . . . . . . . . . . 35
4.5.2 Displaying and editing the measurement data
memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4.5.3 Erasing the measurement data memory . . . . . . 37

Contents Oxi 3210
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4.6 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
4.6.1 Resetting the measurement settings . . . . . . . . . 37
4.6.2 Resetting the system settings. . . . . . . . . . . . . . . 38
5 Maintenance, cleaning, disposal . . . . . . . . . . . . . . . . . 39
5.1 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
5.1.1 Replacing the batteries . . . . . . . . . . . . . . . . . . . . 39
5.2 Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
5.3 Packing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
5.4 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
6 What to do if... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
7 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
7.1 General data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
7.2 Measuring ranges, resolution, accuracy . . . . . . . . . . . . . 45
8 Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Oxi 3210 Contents
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Overview Oxi 3210
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1 Overview
The Oxi 3210 compact precision dissolved oxygen (D.O.) meter
enables you to perform D.O. measurements quickly and reliably.
The Oxi 3210 provides the maximum degree of operating comfort, reli-
ability 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 Connectors
1
2
3
1
2
3

Oxi 3210 Overview
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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.
<ENTER_>).
<F1>:
<F1__>:
Softkey providing situation dependent functions, e.g.:
<F1>/[Menu]: Opens the menu for measurement settings
<F1__>/[Menu]: Opens the menu for system settings
<On/Off>:Switches the meter on or off
<M>: Selects the measured parameter
<CAL>:
<CAL__>:
Calls up the calibration procedure
Displays the calibration data
<STO>: Saves a measured value manually
<RCL>: Displays the manually stored measured values
<>: Increments values, scrolls
<>: Decrements values, scrolls
<ENTER>:
<ENTER_
>:
Opens the menu for measurement settings / confirms
entries
Opens the menu for system settings
<AR> Freezes the measured value (HOLD function)
Switches the AutoRead measurement on or off
F1
CAL
STO
RCL
ENTER
AR

Overview Oxi 3210
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1.2 Display
Function display
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
7 Softkeys and date + time
HOLD AR
25.0
7.92
°C
3
2
4
5
6
7
1
O2
mg/l
22.09.2008
08:00
Menu
Error An error occurred during calibration
AR Stability control (AutoRead) is active
HOLD Measured value is frozen (<AR> key)
Batteries are almost empty

Oxi 3210 Overview
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1.3 Connectors
Caution
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.
1 D.O. sensor
2 Service interface
21

Overview Oxi 3210
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Oxi 3210 Safety
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2Safety
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.
Target group The meter was developed for work in the field and in the laboratory.
Thus, we assume that, as a result of their professional training and
experience, 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 warn-
ing 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 personnel.
Caution
indicates instructions that must be followed precisely in order to
avoid the possibility of slight injuries or damage to the instrument
or the environment.
Further notes
Note
indicates notes that draw your attention to special features.
Note
indicates cross-references to other documents, e.g. operating manu-
als.

Safety Oxi 3210
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2.1 Authorized use
The authorized use of the meter consists exclusively of the measure-
ment of dissolved oxygen and temperature of liquid media in a field and
laboratory environment.
The technical specifications as given in chapter 7 TECHNICAL DATA must
be observed. Only the operation and running of the meter according to
the instructions given in this operating manual is authorized.
Any other use is considered unauthorized.
2.2 General safety instructions
This meter is constructed and tested in compliance with the IEC 1010
safety regulations for electronic measuring instruments.
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 opera-
tion.
The smooth functioning and operational safety of the meter can only be
guaranteed under the environmental conditions that are specified in
chapter 7 TECHNICAL DATA.
If the meter was transported from a cold environment to a warm envi-
ronment, the formation of condensate can lead to the faulty functioning
of the meter. In this event, wait until the temperature of the meter
reaches room temperature before putting the meter back into opera-
tion.
Caution
The meter is only allowed to be opened by authorized personnel.

Oxi 3210 Safety
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Safe operation If safe operation is no longer possible, the meter must be taken out of
service and secured against inadvertent operation!
Safe operation is no longer possible if the meter:
has been damaged in transport
has been stored under adverse conditions for a lengthy period of
time
is visibly damaged
no longer operates as described in this manual.
If 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 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.

Safety Oxi 3210
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Oxi 3210 Commissioning
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3 Commissioning
3.1 Scope of delivery
D.O. meter Oxi 3210
4 batteries 1.5 V Mignon type AA
Short instructions
CD-ROM with
– detailed operating manual
3.2 Initial commissioning
Perform the following activities:
Insert the supplied batteries
Switch on the meter
Set the date and time
3.2.1 Inserting the batteries
1Unscrew the screws (1) on the underside of the meter.
2 Open the battery compartment (2) on the underside of the
meter.
2
1

Commissioning Oxi 3210
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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.
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.
3.2.2 Switching on the meter
Note
The meter has an energy saving feature to avoid unnecessary battery
depletion.
The energy saving feature switches off the meter if no key is pressed
during the adjusted interval. (How to set the switch-off interval, see sec-
tion 4.3.1).
3.2.3 Setting the date and time
3Place four batteries (type Mignon AA) in the battery compart-
ment.
4 Close the battery compartment.
1Press 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).
1See section 4.2.4

Oxi 3210 Operation
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4 Operation
4.1 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.
Switching off Press the <On/Off> key.
Automatic switch-off
function
The instrument has an automatic switch-off function in order to save the
batteries (see section 4.3.1). The automatic switchoff function switches
off the meter 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 again.
You can also generally switch the display illumination on or off (see
section 4.3.1).
O2
7.92 mg/l
25.1 °C
15.03.2014
08:00
Menu USB output

Operation Oxi 3210
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4.2 General operating principles
This section contains basic information on the operation of the
Oxi 3210.
Operating elements,
display
An overview of the operating elements and the display is given in sec-
tion 1.1 and section 1.2.
Operating modes,
navigation
An overview of the operating modes and navigation of the Oxi 3210 is
given in section 4.2.1 and section 4.2.2.
4.2.1 Operating modes
The instrument has the following operating modes:
Measuring
The measurement data of the connected sensor are shown in the
measured value display
Calibration
The course of a calibration with calibration information, functions
and settings is displayed
Storing in memory
The meter stores measurement data manually
Setting
The system menu or a sensor menu with submenus, settings and
functions is displayed

Oxi 3210 Operation
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4.2.2 Navigation
Measured value display In the measured value display, you can
Open the menu for calibration and measurement settings with <F1>
(short keystroke)
Open the Storage & config menu with the sensor-independent set-
tings with <F1__> (long keystroke (approx. 2 s).
Change the display in the measurement window by pressing <M>
(e.g. D.O. concentration −> D.O. saturation index −> D.O. partial
pressure −>).
Menus and dialogs The menus for settings and dialogs in procedures contain further sub-
elements. The selection is made with the <><>keys. The current
selection is displayed with a frame.
Submenus
The name of the submenu is displayed at the upper edge of the
frame. Submenus are opened by confirming with <ENTER>. Exam-
ple:
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:
General
Clock
Service information
Reset
System
15.03.2014
08:00
Back
Language: Deutsch
Illumination:On
Contrast:48 %
Switchoff time:30 min
General
15.03.2014
08:00
Back

Operation Oxi 3210
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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.
Messages Information is marked by the
i symbol. It cannot be selected. Example:
Note
The principles of navigation are explained in the two following sections
by reference of examples:
Setting the language (section 4.2.3)
Setting the date and time (see section 4.2.4).
Calibration record
Calibration data storage
Calibration interval:150 d
Comparison meas.
O2
15.03.2014
08:00
Back
Calibration
Temperature unit °C
Sal correction On
Salinity 21.7
Stability control On
Reset
i Air pressure = 941 mbar
O2
15.03.2014
08:00
Back