Witt OXYBABY 6 User manual

Operating Instructions for
OXYBABY®6 for O2/CO2
Issue date: 13.05.2009
This edition is not subject to the update service
©Copyright WITT-GASETECHNIK GmbH & Co KG, 2009, All rights reserved

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WITT-GASETECHNIK GmbH & Co KG Salinger Feld 4-8 : [phone] www.wittgas.com
Gas safety & process technology D-58454 Witten,
Germany
Fax: [phone] [email protected]
1 Table of contents
1Table of contents ......................................................................................................................................3
2Introduction ...............................................................................................................................................5
2.1 Which symbols have been used?.....................................................................................................5
3Scope ofdelivery .......................................................................................................................................6
4Operating principle...................................................................................................................................6
5Sample Hold and Permanent operating modes.....................................................................................7
6Power supply.............................................................................................................................................8
6.1 Charging rechargeable batteries......................................................................................................8
6.2 Power supply unit operation .............................................................................................................8
7Operation ...................................................................................................................................................9
7.1 Switching on .....................................................................................................................................9
7.2 Opening /closing needle cover.......................................................................................................10
7.3 Conducting measurements ............................................................................................................10
7.3.1 Sample Hold measurement .....................................................................................10
7.3.2 Measurement in Permanent mode .....................................................................11
7.4 Switching off ...................................................................................................................................11
8Setting and managing the Oxybaby (program options)......................................................................12
8.1 Showing main menu, selecting or exiting menus...........................................................................12
8.2 Entering or changing data using the buttons on the OXYBABY®..................................................13
8.2.1 Entering data (Product names, users, production lines) ...................................................13
8.2.2 Modifying data (Product names, users, production lines) .................................................15
8.3 Menu structure of OXYBABY®6.....................................................................................................16
8.4 Selecting operation mode...............................................................................................................18
8.5 Selecting or managing products.....................................................................................................18
8.5.1 Selecting products .............................................................................................................19
8.5.2 Exporting products.............................................................................................................19
8.5.3 Generating products ..........................................................................................................20
8.5.4 Deleting products...............................................................................................................20
8.5.5 Modifying products ............................................................................................................21
8.6 Selecting or managing users..........................................................................................................21
8.6.1 Selecting user....................................................................................................................22
8.6.2 Exporting user....................................................................................................................22
8.6.3 Generating users ...............................................................................................................23
8.6.4 Deleting users....................................................................................................................23
8.6.5 Modifying users .................................................................................................................24
8.7 Selecting or managing lines (production line) ................................................................................25
8.7.1 Selecting line .....................................................................................................................25
8.7.2 Exporting lines ...................................................................................................................26
8.7.3 Generating lines ................................................................................................................26
8.7.4 Deleting lines .....................................................................................................................27
8.7.5 Modifying lines...................................................................................................................27
8.8 Log data (stored measurement data).............................................................................................28
8.8.1 Displaying log data ............................................................................................................28
8.8.2 Deleting log data................................................................................................................29
8.8.3 Exporting log data..............................................................................................................29
8.9 Calibration ......................................................................................................................................29
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Germany
Fax: [phone] [e-mail]
8.10 Settings .......................................................................................................................................... 30
8.10.1 Date and time.................................................................................................................... 30
8.10.2 Language .......................................................................................................................... 31
8.10.3 Output 32
8.10.3.1 Searching for Bluetooth devices and connecting to them ................................. 33
8.10.4 Contrast 34
8.10.5 Brightness ......................................................................................................................... 34
8.10.6 Version 35
8.10.7 Update 35
9Calibration...............................................................................................................................................36
9.1 Calibrating zero point (O2or CO2) ................................................................................................. 36
9.2 Calibrating measuring point for O2................................................................................................. 37
9.3 Calibrating measuring point for CO2.............................................................................................. 37
10 Fault messages / warnings....................................................................................................................38
11 Maintenance, care and repair assistance ............................................................................................39
11.1 Needle or filter clogged up............................................................................................................. 39
11.2 Changing O2sensor....................................................................................................................... 41
11.3 Power supply unit or rechargeable battery faulty........................................................................... 42
11.4 Pump faulty .................................................................................................................................... 43
12 Reading out data from the OXYBABY®................................................................................................44
13 Holder / table stand (option)..................................................................................................................45
14 Technical data.........................................................................................................................................46

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2 Introduction
The OXYBABY®is an ergonomic, cordless, one-hand oxygen and carbon dioxide analyser, used
for the preventive inspection of the shelf life of a food packed in modified atmosphere packaging
(MAP). It has a measuring range of 0 per cent by volume to 100 % per cent by volume O2or CO2in
non-combustible and non-aggressive gases, and can be used for determining the carbon dioxide
content as well as the residual oxygen content in food packaging.
Caution!
The device is not designed to be used in potentially explosive areas and may not be used
for measurements which involve burnable gases.
The OXYBABY®comes with an internal data memory for readings (ring buffer, for maximum num-
ber of data records refer to the Chapter on Technical data 14), which are retained in the memory
even when the device is switched off.
If the rechargeable battery is spent,
- the stored data is retained (e.g. product, user, manufacturing date),
- the data and time are retained for approx. one week (buffer capacitor).
The measured values can be copied to your PC using the optionally-available software for the
WITT Logger.
The OXYBABY®is equipped with a needle cover to protect the user.
Because of the variations in equipment your Oxybaby®may differ somewhat from these instruc-
tions.
2.1 Which symbols have been used?
The Caution! symbol indicates a possible hazard for people or the analyser device.
These instructions must be noted and observed.
 Note !
A pointing hand is used to denote general information, which explains operating proce-
dures.
 A "dot" denotes operating instructions.
 This symbol indicates a list
This symbol prompts readers to turn over the page.
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Germany
Fax: [phone] [e-mail]
3 Scope ofdelivery
The Oxybaby®is delivered as a complete unit.
Also included in the scope of delivery along with the analyser device:
Quantity Designation WITT art.
no.
1 Case 800.507400
1 Plug-in power supply unit / charger 800.736200
1 USB cable 850.012400
100 Foam pads as plate 800.507900
2 Injection needles
in protective container
800.499700
800.286100
2 Needle filter with 0.45 μm filter unit 800.462800
1 Operating instructions for the Oxybaby®6 terminal software* on
CD-ROM and WITT Logger data logging software* on CD-ROM
(DEMO version, with optional enabling) incl. USB drivers
(* The WITT Logger and the Oxybaby®terminal program are not designed for
use with the "Russian" and "Japanese" language versions.)
595.000001
4 Operating principle
The device uses the integrated pump to suck-in a gas sample from the packaging to be inspected
and routes it to an O2and a CO2measuring cell.
The O2content in the aspirated gas mixture generates, in the chemical measuring cell, a weak
electrical voltage proportionate to the O2content. This voltage is measured and converted to form a
concentration value, which is then shown on the display.
The CO2measuring cell operates according to the infrared absorption principle.
Once the analysis is over, the O2and CO2concentration levels are stored with the date and time.
The internal memory is designed as a ring buffer (maximum number of stored measuring data: see
Technical data).
Everytime the memory is full, and a new measured value is stored, the oldest measured value is
overwritten. The assigned memory location is displayed by a segment bar at the top of the display.
The O2measuring cell of the Oxybaby®has a service life of approx. 1.5 to 2 years with an
O2content of 21 % per cent by volume. If the O2content is higher than 21 % per cent by volume,
the service life for the O2measuring cell is reduced (See Technical data for details).
The CO2measuring cell is non-wearing.
Oxybaby®is equipped with automatic pressure compensation, which serves to prevent any falsified
test results through changing ambient pressures or gas pressures in the packaging.

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Germany
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5 Sample Hold and Permanent operating modes
The Oxybaby®is designed for two different operating modes. The symbol at the right in the upper
line on the screen indicates the operating mode:
 the symbol denotes the "sample Hold" operating mode,
 the symbol denotes the "permanent" operating mode
last measurement
06.04.2009 09:22:28
20.7 % O2
0.5 % CO2
Salami
A
. Meie
r
Production line 12
"Sample Hold" operating mode (sample measurement)
After the start of the measurement (see Chapter 7) the measuring program then runs automatically.
A gas sample is taken from the packaging and the
O2/CO2concentration level measured. Once the measuring time process has ended (see Techn.
data) the gas sample is automatically stopped.
The measured O2/CO2concentration level is automatically stored once the measurement is over
along with date and time (incl. product designation, inspector and production line).
"Permanent“ operating mode
Once the measurement has started, (see Chapter 7) gas is continuously sampled and the O2/CO2
concentration level is measured.
The measurement can be stopped at any given time with .
The last determined measured value is automatically stored along with date and time
(incl. product designation, inspector and production line).
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6 Power supply
The power supply is provided by means of a rechargeable battery pack with three integrated, re-
chargeable batteries (Type: see Technical data). The service life of the rechargeable battery pack
is dependent on the ambient conditions and the number of charge cycles.
If required, the rechargeable battery pack can be replaced. Only genuine WITT spare parts should
be used here, a new rechargeable battery pack can be ordered from WITT-Gasetechnik .
The charge status of the rechargeable batteries is denoted by a battery symbol in the top right cor-
ner of the display, a dark battery indicates: fully charged. The Oxybaby®switches off when the
rechargeable battery is spent.
 If the rechargeable battery charge is no longer sufficient to perform a reliable measurement,
a warning message is shown on the display. In such an instance do not perform any more
analyses, as the measurement accuracy may be impaired.
 You can easily switch between rechargeable battery mode and power supply unit mode
when operating it.
6.1 Charging rechargeable batteries
We advise you to charge the rechargeable batteries for the Oxybaby®at the very latest when "bat-
tery low" is shown on the display.
Connect the Oxybaby®to the power supply unit / charge as follows and charge the batteries:
 fold down lug on right side.
 insert combined USB charging cable / power supply unit cable into USB
connection on the Oxybaby®.
 insert the plug of USB charging cable / power supply unit cable into socket
on power supply (see Technical data) and charge the rechargeable batter-
ies.
The battery symbol at the top right of the display flashes on and off as
long as the rechargeable batteries are being charged.
 Do not perform any measurements during the charging process, as the
measuring accuracy may be slightly impaired.
 To ensure that the calibration accuracy is not impaired:
do not calibrate the device until 1 hour after the rechargeable batteries
have been charged.
6.2 Power supply unit operation
Use the USB power supply unit / charger as supplied only!
Otherwise the OXYBABY
®
may not function correctly. WITT-Gasetechnik will not be held
liable for any damage caused by external power supply units or chargers.
 The USB connection is disabled when the power supply unit / charger is being used.
 Fold down lug on right side.
 Insert combined USB charging cable / power supply unit cable into USB connection on the
OXYBABY®.
 Insert the plug of USB charging cable / power supply unit cable into socket on power supply
(see Technical data).
OXYBABY®switches on and is now ready to perform measurements
 You can change into the rechargeable battery mode at any given time.

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7 Operation
 Note!
Before operating for the first time, charge the rechargeable batteries for 2 hours. (see Chap-
ter 6)
7.1 Switching on
 Switch on device using .
When starting up the LCD display briefly shows the software version and the serial number of your
device. The "version" menu item enables you to display the data during operation (see Chapter
8.10.6).
Finally, the OXYBABY®is in the Measuring and display mode and shows the last measured
value:
last measurement
06.04.2009 09:22:28
20.7 % O2
0.5 % CO2
Salami
A
. Meie
r
Line 12
 The upper line of the display shows the date, time and operating mode of the last measure-
ment for your OXYBABY®. The symbol indicates the "sample Hold" operating mode, the
symbol denotes the "permanent" operating mode.
 The memory space available at any given time is indicated by the bars below:
assigned memory capacity is displayed by darkened bar segments,
free memory space by empty bar segments.
 The battery symbol at the right indicates the charge status for your OXYBABY®. A darkened
battery signifies: fully charged.
 The last measured O2 / CO2concentration level is shown by the OXYBABY®in the centre of
the display as per cent by volume.
 Below the measured value the OXYBABY®shows the product designation, the name of the
user and the line (production line) for the last measurement.
Example: Product designation: Salami
User: A. Meier
Line: Line 12
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Gas safety & process technology D-58454 Witten,
Germany
Fax: [phone] [e-mail]
7.2 Opening /closing needle cover
O
p
en Close
 Recommendation!
Open the needle cover immediately before a measurement and then close it again immedi-
ately after each measurement.
7.3 Conducting measurements
Caution!
Adapt the OXYBABY®before the measurement to any changes in climate, to avoid any falsi-
fied test results (see Technical data).
This also applies to packaging which is stored at higher or lower temperatures than the OXY-
BABY®.
 We advise calibrating the OXYBABY®before the first measurement
(see Chapter 8.9 and 9).
 You can increase measuring accuracy by
 performing two measurements at a very low temperature or by extending the measuring
time.
 performing two measurements or extending the measuring time on successive meas-
urements on packages with very different gas concentration levels.
7.3.1 Sample Hold measurement
 Change to the “sample hold” operating mode if required (see Chapter 8.4).
 Select any product, user or line (production line) (see Chapter 8)
 Stick foam pads onto the packaging that you wish to measure.
This seals the pierced position.
 Open the needle cover (see 7.2)
 Pierce the packaging through the foam pad.
Caution!
Do not jab into the fluid or the packaged product. Otherwise the OXYBABY will be soiled,
the needle or hose may clog up or the sensor may be damaged.
 Start measurement with .
The remaining measuring time is shown by the OXYBABY®at the top right of the display.
You can extend the measuring time during the measurement.
 Press key again, the measurement continues, if you press the key again briefly.
 Close the needle cover (see 7.2)
The last current measurement is shown on the display.
 The measurement ends automatically in the Sample Hold mode .
At very low temperatures, you may also need to run two measurements to increase the
measurement accuracy.

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7.3.2 Measurement in Permanent mode
 Change the operating mode to “permanent” if required (see Chapter 8.4).
 Select any product, user or line (production line) (see Chapter 8)
 Stick foam pads onto the packaging that you wish to measure.
This seals the pierced position.
 Open the needle cover (see 7.2)
 Pierce the packaging through the foam pad.
Caution!
Do not jab into the fluid or the packaged product. Otherwise the OXYBABY will be soiled,
the needle or hose may clog up or the sensor may be damaged.
 Start measurement with .
 End measurement with .
 Close the needle cover (see 7.2)
The last current measurement is shown on the display.
 During the permanent measurement, the current measured value is automatically stored
every 10 seconds along with the date and time.
7.4 Switching off
When in rechargeable battery mode:
(i.e. operation without USB power supply unit and without USB cable at the USB interface)
 Press key for approx. 2 seconds and hold.
 The device is now automatically purged with air and it then switches off.
 The OXYBABY®is also equipped with an automatic switch-off function.
It switches off automatically if no commands are received for approx. 2 minutes (e.g. key ac-
tuations or measurements).
If the power supply is connected through the USB interface (through plugged-in USB power supply
unit or a USB cable).
 Disconnect USB power supply unit or USB cable.
 Continue as described above in rechargeable battery mode.
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8 Setting and managing the Oxybaby (program options)
8.1 Showing main menu, selecting or exiting menus
Pressing the or key takes you to the main menu.
main menu
operation mode
products
user
line
log data
calibration
settin
g
s
 Note!
If you press the key, you exit the main menu and return to the Measuring and display
mode, without changing the settings for your OXYBABY®.
The name of the currently-selected menu (main menu here) is shown on the top line.
The OXYBABY®is available with a series of program options, which you can select using the arrow
keys. The currently pre-selected program option appears in white lettering against a dark back-
ground:
 press arrow key or until the desired program option is highlighted in black.
You may need to press the arrow key several times to access submenus that are not
shown on the display. The display of the submenus changes accordingly.
 press the key. The corresponding submenu opens.
 Note !
If you press the key, you exit the submenu and return to the main menu or the measur-
ing and display mode, without changing the settings for your OXYBABY®.

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8.2 Entering or changing data using the buttons on the OXYBABY®
8.2.1 Entering data (Product names, users, production lines)
To enter new data the OXYBABY®comes with an entry menu,
e.g. the " generate product " menu.
The four arrow keys and the key can be used to enter text, e.g. new products, users or produc-
tion lines.
Entering characters:
 letters or numbers can be selected using the arrow keys in the letter and
number field, a shaded border indicates the selected character.
Letters and number field:
1 2 3 4 5 6 7 8 9 0
a b c d e f g h i j
k l m n o p q r s t
u v w x y z - , .
You can also enter spaces, full stops, commas and hyphens (bottom right).
 Press key, once the desired character has a border round it.
The character appears above the number field in the "Entered term" area (B).
To the right of the letters and number field you will find the following functions:
- "Delete" Del ,
- in the entered term, shift the cursor "_" to the left <- and right -> ,
- switch between upper and lower case using the Sft key and
- end with simultaneous save of the entry with End :
Using the arrow keys shift the cursor until the desired f
tion is highlighted by the shared border
(shown here by the Shift key Sft
unc-
A Name of entry menu
B Entered term
C Letters and number field
D Functions
Del
<- ->
Sft
End
generate product
Appenzeller K+++
A
B
C
D
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In the entered term (B), the cursor is marked by a darkened underline "_", a position that has not
yet been assigned by a + symbol:
Example: Appenzeller K+++
You can shift the cursor "_" in the entered term as follows:
 press the arrow keys until the
function "Cursor to the left (<-)“ or "Cursor to the right (->)" with the is marked with a border: <-
or -> .
 press key until the desired character is underlined.
Example: Appenzeller K+++
You can delete a character as follows:
 move cursor "_" to entered term until the character that you wish to delete is underlined.
 press the arrow keys until
the "Delete (Del)" function is marked with a border: Del .
 press key until the character is deleted.
If you press the key is pressed again, the character currently underlined by the cursor is
then also deleted.
You can save the entered term and complete the entry as follows:
 press the arrow keys until
the "Save and end (End)" function is marked with a border: End .
 press the key.
A message is shown on the screen stating that the entry menu is being closed.
The term is entered and is then available under the respective program option "select".

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8.2.2 Modifying data (Product names, users, production lines)
You can edit previously stored data using a modify menu provided by the OXYBABY, and recog-
nisable by the term "modify", e.g. modify product. The keys can be operated as in the "Entering
data" section (see above 8.2.1).
modify .......
Appppenzeller
A
B
C
D
A modify menu name
B Stored term
C Letters and number field
D Functions
A darkened underline "_" denotes the cursor in the stored term (B).
When you enter a character, the character at this position changes to the new character just en-
tered; and the old character is overwritten with the new one.
If you wish to delete the character, move the shaded border using the arrow keys
until the Del function is marked (see above 8.2.1). Then press the key .
More characters can also be added.
 The existing log data will change!
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8.3 Menu structure of OXYBABY®6
permanent (see 8.4, and 5)
operation
mode sample hold (see 8.4, and 5)
products select (see 8.5.1)
export (see 8.5.2)
generate (see 8.5.3)
delete (see 8.5.4)
modify (see 8.5.5)
user select (see 8.6.1)
export (see 8.6.2)
generate (see 8.6.3)
delete (see 8.6.4)
modify (see 8.6.5)
line
(Production line) select (see 8.7.1)
export (see 8.7.2)
generate (see 8.7.3)
delete (see 8.7.4)
modify (see 8.7.5)
log data show (see 8.8.1)
delete (see 8.8.2)
export (see 8.8.3)
O2 sensor Calibration point 0.0 % (For procedure see 9.1)
O2 sensor Calibration point 20.9 % (For procedure see 9.2)
CO2 sensor Calibration procedure 0.0 % (For procedure see 9.1)
calibration
CO2 sensor Calibration procedure 100 % (For procedure see 9.3)

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settings date and time (see 8.10.1)
language
(see 8.10.2) Deutsch, English, Espanol, Italiano ...
output
(see Chapter 8.10.3)
search for Bluetooth device
Bluetooth device (BT device)
USB
contrast (see Chapter 8.10.4)
brightness (see Chapter 8.10.5)
version (Oxybaby, device number, etc. see Chapter 8.10.6 )
update (see 8.10.7)
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8.4 Selecting operation mode
 In the main menu, select the "operation mode" program option and run it using the key .
The "operation mode" menu opens:
In the "operation mode" menu you can set the OXYBABY®to the permanent mode or the sample
hold mode. The currently pre-selected program option appears in white lettering against a dark
background:
operation mode
permanent
sample hold
 use the arrow keys or to select the permanent or sample Hold mode .
 press the key.
 press the key several times to return to the measuring window.
8.5 Selecting or managing products
 In the main menu, select the "products" program option and run it using the key .
The "products" menu opens:
You can run these program options:
products
select
export
generate
delete
modify
- select previously created products that you wish to measure (see 8.5.1).
- export product data on the export device that you configured in the "settings, output" program
option (see Chapter 8.10.3).
- generate and store new products.
- delete existing products, where no log data are available on the corresponding product.
- modify existing products.
You can exit the "products" program option as follows.
 press key and return to the main menu.

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8.5.1 Selecting products
 In the "products" menu use the arrow key or to change to the "select" item and press
the key.
The "select product " menu opens and the currently pre-selected product appears in white let-
tering against a darkened background.
select productselect
Salami
Mortadella
Salmon steak
Mortadella
 If you wish to leave the menu without making a change:
press the key .
The lower line then displays the last-measured product, the middle shows the existing, created
products.
 Use the or key to change to the desired product.
 Press the key to select the product.
The newly selected product then appears in the lower line.
 Press the key to return to the "products" menu.
8.5.2 Exporting products
You can send all the stored products to a previously configured export device (see "settings, out-
put" 8.10.3):
 Use the or key to change to the "export" program option.
 Press the key. The OXYBABY sends the stored product data to the device and then re-
turns to the "products" menu.
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Germany
Fax: [phone] [e-mail]
8.5.3 Generating products
The entry menu appears after selecting the "generate" menu item:
generate product
Appenzeller K+++
A
B
C
D
 Details on operating the keys / functions are available in the Chapter 8.2.
Details on entering new data see Chapter 8.2.1.
The "+++++++++++++++++" represent free character spaces (B).
You can use the four arrow keys and the key of the OXYBABY®to enter th
new product (For details, see "Entering data", Chapter
e
8.2.1).
By using the four arrow keys and the " End " function you can save the new product and return to
the "products" menu.
If you do not wish to save the product, press the key, to exit the entry menu and return to the
"products" menu.
8.5.4 Deleting products
The entry menu appears after selecting the "delete" menu item:
The currently pre-selected product appears in white lettering against a dark background:
delete product
Salami
Mortadella
Salmon steak
 if you do not wish to delete a product, press the key, to exit the "delete product " menu
and return to the "products" menu.
 Log data must not exist for the product that you wish to delete.
 Use the arrow keys to select the product that you wish to delete.
 Press the key. The product is deleted.
 Select another product to be deleted or
press the key and return to the "products" menu.