XS Instruments 60 VioLab Series User manual

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60 VioLab
INSTRUCTIONS MANUAL
pH - Cond - PC

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Index
Introduction .............................................................................................................................................5
Safety information ...................................................................................................................................6
•Definitions of warning words and symbols .........................................................................................6
•Reporting terms: .................................................................................................................................6
•Additional documents for safety.........................................................................................................7
•Use according to destination...............................................................................................................7
•Basic requirements for a safe use .......................................................................................................7
•Unauthorized use ................................................................................................................................7
•Device maintenance............................................................................................................................7
•Responsibility of the owner of the instrument ...................................................................................8
Instrumental features ..............................................................................................................................8
•Parameters ..........................................................................................................................................8
•Datasheet ............................................................................................................................................9
Instrument description ..........................................................................................................................10
•Display ...............................................................................................................................................10
•Keyboard ...........................................................................................................................................10
•LED.....................................................................................................................................................11
Installation .............................................................................................................................................11
•Supplied components........................................................................................................................11
•Start-Up .............................................................................................................................................11
•Connection of the power supply.......................................................................................................11
•Power on, date and time update, power off.....................................................................................12
•Instrument transportation ................................................................................................................12
•Key functions.....................................................................................................................................13
•Inputs / Outputs Connections ...........................................................................................................13
•Symbols and icons on the display .....................................................................................................14
Operation of the device.........................................................................................................................15
Setup menu ..........................................................................................................................................16
•Setup Menu Structure .....................................................................................................................17
Temperature measurement ATC – MTC ................................................................................................18
pH Parameter ........................................................................................................................................18
•pH parameter Setup .........................................................................................................................18
•Composition of the setup Menu for pH parameter ..........................................................................18
•Automatic pH calibration ..................................................................................................................21
•Calibration with manual values.........................................................................................................22
•Performing pH measurement............................................................................................................23
•Sensors with DHS technology ...........................................................................................................23

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•Errors during calibration ..................................................................................................................24
mV Parameter ..................................................................................................................................24
ORP Parameter (Oxide-Reduction potential) ...................................................................................24
•ORP Parameter Setup .......................................................................................................................25
•Composition of the setup menu for the ORP parameter ..................................................................25
•ORP automatic calibration ................................................................................................................26
Conductivity Parameter ....................................................................................................................27
•…how to get Conductivity? ...............................................................................................................27
•Setup for Conductivity parameter ....................................................................................................27
•Automatic COND calibration ............................................................................................................31
•Manual COND calibration .................................................................................................................32
•Errors during calibration ...................................................................................................................33
•Performing Conductivity measurement ..........................................................................................33
Other measurements carried out with the Conductivity cell............................................................34
•TDS Parameter .................................................................................................................................34
•Salinity ..............................................................................................................................................34
Data Logger Function ........................................................................................................................35
•Setup for Data Logger parameter .....................................................................................................35
•Composition of setup menu for the Data Logger menu ...................................................................36
•Example of automatic Data Logger mode .........................................................................................37
•Example of manual Data Logger mode .............................................................................................37
•Example of printing a value...............................................................................................................37
•Recall Memory ..................................................................................................................................38
•Clear the saved data..........................................................................................................................38
Instrument Setup Menu .................................................................................................................38
•Composition of the setup menu for Setting Menu ...........................................................................38
DataLink+ Software (per Windows 7/8/XP/10) .................................................................................40
•Functions ...........................................................................................................................................40
Warranty ...........................................................................................................................................41
•Warranty period and limitations .......................................................................................................41
Disposal of electrical devices ............................................................................................................41
XS Instruments
Via della Meccanica n.25 41012 Carpi (MO) ITALY
Tel. [phone] Fax [phone]
www.xsinstruments.com

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Introduction
XS Instruments, globally recognized as a leading brand in the field of electrochemical measurements, has
developed this new line of professional bench instruments, which is completely produced in Italy, finding
the perfect balance between performance, attractive design and ease of use.
The perfect balance between the high performance of the instrument, a modern and attractive design
and the user-friendliness make this series of instruments the ideal solution for electrochemical
measurements in laboratory.
The innovative high definition colour LCD display shows all the necessary information, such as the
measurement, the temperature, the buffers used for the last calibration (also custom), the condition of
stability.
Everyone can use these tools thanks to the instructions that appear directly on the display. The calibration
is guided step by step and the instrument configuration menu is easy to consult. In addition, a LED
indicates the status of the system to the user.
Up to 3 pH calibration points can be carried out between 10 automatically recognized values and 5 points
for Conductivity; in addition, buffers chosen by the operator can be used.
It is also possible to perform mV calibration for Redox sensors.
For an accurate measurement of Conductivity, it is possible to work with 3 different cell constants and
modify the compensation coefficient and the reference temperature.
It is possible to consult the calibration data anytime and the representation makes the calibration process
more efficient, through the icons of the buffers used.
Automatic or manual Data Logger function with values that can be stored in different GLP formats on the
internal memory (1000 data) or on the PC.
The ideal solution for an accurate and precise measurement is using an XS Sensor electrochemical
electrode with an XS Instruments device and perform the calibrations with XS Solution certified
calibration solutions.

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Safety information
•Definitions of warning words and symbols
This manual contains extremely important safety information, in order to avoid personal injury, damage to
the instrument, malfunctions or incorrect results due to failure to comply with them. Read entirely and
carefully this manual and be sure to familiarize with the tool before starting to work with it.
This manual must be kept near to the instrument, so that the operator can consult it easily, if necessary.
Safety provisions are indicated with warning terms or symbols.
•Reporting terms:
ATTENTION for a medium-risk hazardous situation, which could lead to serious injury or death, if
not avoided.
ATTENTION for a dangerous situation with reduced risk which can cause material damage, data loss
or minor or medium-sized accidents, if not avoided.
WARNING for important information about the product
NOTE for useful information about the product
Warning symbols:
Attention
This symbol indicates a potential risk and warns you to proceed with
caution.
Attention
The instrument must be used following the indications of the reference
manual. Read the instructions carefully.
Warning
This symbol draws the attention to possible damage to the instrument
or instrumental parts.
Note
This symbol highlights further information and tips.
Attention
This symbol draws the attention to a possible danger from electric
current.

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•Additional documents for safety
The following documents can provide the operator with additional information to work with the measuring
system safely:
•operating manual for electrochemical sensors;
•safety data sheets for buffer solutions and other maintenance solutions (e.g. storage);
•specific notes on product safety.
•Use according to destination
c This instrument is designed exclusively for electrochemical measurements in laboratory. Use in a domestic
environment only.
Pay attention to the technical specifications shown in the INSTRUMENT CHARACTERISTICS / TECHNICAL
DATA table; any other use is to be considered unauthorized.
This instrument has been manufactured and tested in compliance with EN 61010-1 safety standards relating
to electronic instruments and has left the factory in perfect technical and safety conditions (see test report
in each package).
The regular functionality of the device and the operator safety are guaranteed only if all the normal
laboratory safety standards are respected and if all the specific safety measures described in this manual
are observed.
•Basic requirements for a safe use
The regular functionality of the device and the operator safety are guaranteed only if all the following
indications are respected:
•the instrument can be used in accordance with the specifications mentioned above only;
•use the supplied power supply only. If you need to replace the power supply, contact your local
distributor;
•the instrument must operate exclusively in the environmental conditions indicated in this manual;
no part of the instrument can be opened by the user.
Do this only if explicitly authorized by the manufacturer.
•Unauthorized use
The instrument must not run, if:
•It is visibly damaged (for example due to transportation);
It has been stored for a long period of time in adverse conditions (exposure to direct light, heat sources or
places saturated by gas or vapours) or in environments with conditions different from those mentioned in
this manual.
•Device maintenance
If used correctly and in a suitable environment, the instrument does not require maintenance procedures.
It is recommended to occasionally clean the instrument case with a damp cloth and a mild detergent. This
operation must be performed with the instrument off, disconnected from the power supply and by
authorized personnel only.
The housing is in ABS / PC (acrylonitrile butadiene styrene / polycarbonate). This material is sensitive to
some organic solvents, for example toluene, xylene and methyl ethyl ketone (MEK).
If liquids get into the housing, they could damage the instrument.

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In case of prolonged non-use of the device, cover the BNC connectors with the special cap.
Do not open the instrument housing: it does not contain parts that can be maintained, repaired or replaced
by the user. In case of problems with the instrument, contact your local distributor.
It is recommended to use original spare parts only. Contact your local distributor for information. The use
of non-original spare parts can lead to malfunction or permanent damage to the instrument. Moreover, the
use of spare parts not guaranteed by the supplier can be dangerous for the user himself.
For the maintenance of the electrochemical sensors, refer to the documentation present in their packaging
or contact the supplier.
•Responsibility of the owner of the instrument
The person who owns and uses the tool or authorizes its use by other people is the owner of the tool and
is responsible for the safety of all users of the tool and third parties.
The owner of the instrument must inform users of the use of the same safely in their workplace and on the
management of potential risks, also providing the required protective devices.
When using chemicals or solvents, follow the manufacturer's safety data sheets.
Instrumental features
•Parameters
pH 60 VioLab: pH, mV, ORP, Temp
COND 60 VioLab: Cond, TDS, Sal, Temp
PC 60 VioLab: pH, mV, ORP, Cond, TDS, Sal, Temp

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•Datasheet
Series 60 VioLab
pH
pH 60 VioLab -PC 60 VioLab
Measuring range
-2…16
Resolution / Accuracy
0.1, 0.01 / +0.02
Recognized calibration points and
buffers
AUTO: 1…3 / USA, NIST
CUS: 2 user values
Buffers indication
Yes
Calibration report
Yes, viewable and printable
Automatic DHS recognition
Yes
Stability filter
Low – Med - High
mV
pH 60 VioLab -PC 60 VioLab
Range / Resolution
Range: -1000 … +1900 / Resolution: 0.1 / 1
ORP
pH 60 VioLab -PC 60 VioLab
Calibration points
1 point / 475 mV
Conductivity
COND 60 VioLab -PC 60 VioLab
Range / Resolution
0,00 – 20,00 – 200,0 – 2000 μS /
2,00 – 20,00 – 200,0 mS
Automatic scale
Recognized calibration points and
buffers
1…5 / 84, 147, 1413 μS, 12.88, 111.8 mS,
1 user value
Reference temperature
15…30 °C
Temperature coefficient
0,00…10,00 %/°C
TDS
COND 60 VioLab -PC 60 VioLab
Measuring range / TDS Factor
0,1mg/l…200 gr/l / 0.40…1.00
Salinity
COND 60 VioLab -PC 60 VioLab
Measuring range
0,1ppm …100ppt
Temperature
pH 60 VioLab - COND 60 VioLab -PC 60 VioLab
Measuring range
-10…110 °C
Resolution / Accuracy
0,1 / ± 0,5°C
Temperature compensation ATC
(NTC30KΩ) and MTC
0…100 °C
System
GLP with calibration Timer
Yes
Internal memory
1000 Dates
Display
High definition colour LCD
Brightness and contrast management
Manual
IP protection
IP 54
Outputs
Micro USB and RS 232
Power supply
5 V power supply
Power supply tolerance
+ 10%
Sound level during standard operation
< 80 dB
Electric voltage
100 … 240 V
Work frequency
50 … 60 Hz
Maximum absorption
200 mA
Environmental operating conditions
0 … +45 °C
Maximum permissible humidity
< 95 % non-condensing
Maximum altitude of use
2000 m

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System dimensions
160 x 140 x 45 mm
System weight
380 g
Reference regulations
EMC 2014/30/UE
RoHS 2011/65/EU
EN 61326-1
EN 61010-1
Instrument description
•Display
•Keyboard
Down directional key to scroll through
the menus and parameters and to
manage the recall of data
MODE key to scroll through the
various measurement parameters
Enter / Menu key to confirm the chosen values
and enter the setup from the measure mode
Measurement
parameter
Indication of
instrumental
mode
Representation of
buffers used for
calibration
Error symbol
Actual value / Measure unit
Temperature and type of
compensation
ATC - automatic NTC 30KΩ
MTC - manual
Information icons
on connectivity and Data
Logger
Progressive number of data saved in
Data Logger mode
Stability
indicator
Text string
Date and time
Battery charge level
Text string
On-Off button to
switch the device on
and off
Meas / Cal key to return to measure
mode and to start calibration
UP directional key to scroll the
menus and parameters, manage
the saving and printing of data

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•LED
All the instruments are equipped with a two-colours LED (red and green) which provides the user with
important information on the status of the system:
Function
LED
Description
Power on
Fixed
Power off
Fixed
Standby
Flashing every 20 s
Stable measure
Flashing every 3 s
Errors during calibration
Flashing every 1 s
Errors during measurement
Flashing every 3 s
Time of saving the data
On / Off in rapid succession
Recall Memory mode
Alternate green and red, pause 5 s
Selection confirmation
Switched on for 1 s
Timed screens
Fixed
DHS deactivation
Fixed
Installation
•Supplied components
The instrument is always supplied with all the accessories necessary for being put into service; the
version without sensor is always supplied with:
Instrument complete with multi-socket adapter, 1m S7 / BNC connection cable, NT55 temperature probe,
buffer solutions in single-dose bottle and / or sachet, electrode holder stand, multilingual user manual and
test report.
There are versions with the sensor(s) already included. Contact your local distributor to be updated on the
correct composition of the sales kit.
•Start-Up
•Place the instrument on a flat, stable laboratory table with appropriate front and side accessibility. It is
recommended to place the instrument at not less than 20 cm from overlying and surrounding parts.
Positioning the device in this way, there is no more residual risk of possible minor damage caused by manual
handling of loads.
•Make sure that the instrument and the surrounding environment are correctly illuminated.
•Connection of the power supply
•Check that the electrical standards of the line on which the instrumentation is to be installed comply
with the voltage and operating frequency of the instrument.
•Use the original power supply only.
•Connect the power supply plug to the connector on the rear panel of the instrument indicated with the
icon .
•Connect the power supply to an electric socket easy to reach.

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•The instrument is equipped with an power supply unit which is not protected against any liquid
entry; therefore, for its use, it is necessary to keep all the electrical cables and connections away
from any liquids and humidity and not to use the device in a humid room, such as a bathroom or
a laundry room.
•
•
•
•In the event of accidental loss of power during the operation of the instrument, there is no dangerous
condition for the user.
•The instrument is NOT automatically reactivated. Press the button to turn the device back on.
•Power on, date and time update, power off
Turn on the system by pressing the button . The display initially activates all segments and then
appears:
•model and firmware of the instrument;
•settings relating to the most important parameters and possible information about the DHS sensor;
On first use, and after each battery replacement, the instrument during the start-up phase will request the
updating of the date and time.
•Using the directional keys, update the year and confirm with the key . Carry out the same
operation with the month and day, and subsequently with hours and minutes.
•The instrument will enter measure mode in the last parameter used.
To switch off the instrument, press the key in measure mode.
•Instrument transportation
To move the instrument to a new location, ship it carefully to avoid damage; the instrument can be
damaged, if it is not transported correctly.
Disconnect the instrument from the power supply and remove all the connection cables. Remove the
electrode arm from its holder.
• To avoid damage to the instrument during long distance transport, use the original packaging.
• If the original packaging is no longer available, choose a package that guarantees a safe shipment.
ATTENTION
Danger of death or serious injury from electric shock.
Contact with live components can lead to injury or death.
•Use the adapter supplied only.
•Do not put the power supply in contact with liquids nor in a condensing environment. Avoid
thermal shock.
•All electrical cables and connections must be kept away from moisture or liquids.
•Check that the cables and plugs are not damaged, otherwise replace them.
•During use, do not cover the power supply and/or do not place it inside containers.

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•Key functions
Button
Pression
Function
Short
Press to turn the device on or off.
Short
In measure mode, press to scroll through the different parameters:
•pH 60 VioLab: pH mV ORP
•COND 60 VioLab: Cond TDS Sal
•PC 60 VioLab: pH mV ORP Cond TDS Sal
Short
•In calibration, setup and memory recall mode, press to return to measure
mode.
•In measure mode, press to start the calibration.
Short
In measure mode, press to enter the setup.
In the setup menus, press to select the desired program and / or value.
During calibration, press to confirm the value.
Short
In the setup and subset menus press to scroll
In the setup submenus, press to change the value
In memory recall mode, press to scroll through the saved values.
In MTC and customer calibration mode, press to change the value.
: In measure mode, press to save the data or print
: In measure mode, press to recall the saved data.
Long-Press
(3s)
In measure mode, keep one of the two keys pressed to change the temperature
in MTC mode (manual compensation, without probe). When the value starts to
flash, the user can change the temperature value by entering the correct one and
confirming with
The correct use of the function keys and the attention in pressing them, given the small size, eliminates the
residual risk of minor damage, not probable, caused by simultaneous pressing of the keys; before using the
instrument, check that pressing the keys has the corresponding effect on the display.
•Inputs / Outputs Connections
Use original accessories guaranteed by the manufacturer only.
If necessary, contact your local distributor.
The BNC connectors are protected by a plastic cap.
Remove the cap before connecting the probes.

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PC 60 VioLab top panel
READ THE MANUAL BEFORE PROCEEDING TO CONNECT PROBES OR ANY OTHER OUTPUT
•Symbols and icons on the display
Symbol
Description
Symbol
Description
M+
Number of data stored in Data Logger
mode on instrumental memory
Error in measurement or calibration
Instrument connected to the DataLink+
software
FIXED: Automatic Data Logger set
INTERMITTENT:
Automatic Data
Logger in running
FIXED: Calibration deadline set for that
parameter
INTERMITTENT: Calibration deadline
active for that parameter
Press the directional keys to change
the parameter or value on the
display
DHS digital sensor connected
The bars scroll if the measurement
is not stable
Measurement stability indicator
4mm banana for reference
electrode
BNC for pH and ORP electrodes
RCA for pH temperature
probe
RCA for Conductivity
temperature probe
BNC for conductivity cell
Connection to the power grid through
a 5V power supply
Warning symbol no 1
Table 1 EN 61010-1: 2010
RS-232 for connection to
printer
MICRO - USB for connection to PC

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Operation of the device
•After the switching on, the instrument enters measure mode in the last parameter used.
•To scroll through the different parameter screens, press the key ; the current measurement
parameter is shown in the display on the top left (e.g.: ).
Sequence of parameters in measure mode:
pH 60 VioLab
COND 60 VioLab
PC 60 VioLab
pH Conductivity pH
mV TDS mV
ORP Salinity ORP
Conductivity
TDS
Salinity
Note: Pressing the button after the last parameter, the instrument automatically restarts from the
first one.
In the measurement screens for the pH, ORP and Conductivity parameters, press the key to start the
calibration of the active parameter. (next paragraphs).
On the left side of the display, through a string of different colours, it is always indicated how the
instrument is located.
Note: in order to confirm to the user the switching from one mode to another, the string flashes.

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String
Meaning
The instrument is in measure mode.
The instrument is in calibration mode
(automatic or manual in
relation to the user's choice).
The user is in the setup mode.
The configuration menus can concern the characteristics of the
parameters or the general setting of the instrument.
The instrument is in the Recall Memory mode.
The data that have been stored are being displayed by running the
manual or automatic Data Logger.
Setup menu
•In measure mode, press the key to enter SETUP mode, select the parameter you want to edit
by using the directional keys and confirming with .
pH 60 VioLab
COND 60 VioLab
PC 60 VioLab
pH SETTINGS COND SETTINGS pH SETTINGS
ORP SETTINGS TDS SETTINGS ORP SETTINGS
LOG SETTINGS LOG SETTINGS COND SETTINGS
SETTINGS SETTINGS TDS SETTINGS
LOG SETTINGS

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SETTINGS
•Within the selected menu, move between the different programs using the directional buttons and
press the button to access the submenu you want to edit.
•Using the keys and choose the desired option or change the numerical value and confirm
with .
•The value or parameter being edited is recognizable as it flashes on the display.
•The icon indicates that the value or parameter to choose is editable using the directional keys.
•Press the key to return to the previous menu.
•Setup Menu Structure
P1.0
pH SETTINGS
P1.1
Buffer Selection
P1.2
Resolution
P1.3
Set Stability
P1.6
View pH Cal
P1.7
Due pH Cal
P1.8
Reset pH Setting
P1.9
Temp Cal pH
P2.0
ORP SETTINGS
P2.6
View ORP Cal
P2.7
Due ORP Cal
P2.8
Reset ORP Setting
P2.9
Temp Cal ORP
P3.0
COND SETTINGS
P3.1
Cell Constant
P3.2
Buffer Selection
P3.3
Reference Temp
P3.4
Temp. Compensation Factor
P3.6
View Cond Cal
P3.7
Due Cond Cal
P3.8
Reset Cond Setting
P3.9
Temp Cond pH
P4.0
TDS SETTING
P4.1
TDS Factor
P8.1
Data logger Type
P8.0
LOG SETTINGS
P8.2
Clear Data

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P8.3
Save Data
P8.4
Print Format
P9.0
SETTINGS
P9.1
Temperature U.M.
P9.2
Time and data Set
P9.4
Brightness
P9.6
Parameters Setup
P9.8
Reset
Temperature measurement ATC – MTC
•ATC: The direct measurement of the sample temperature for all parameters is carried out through the
NTC 30KΩprobe, which can be either integrated into the sensor (electrode and / or cell) or external.
•MTC: If no temperature probe is connected, the value must be changed manually:
keep pressed or until the value starts to flash; then adjust it by continuing to use the
directional keys; then press to confirm.
pH Parameter
pH 60 VioLab; PC 60 VioLab
On this series of devices, it is possible to use pH sensors with integrated temperature probe or to connect
two different sensors. Connect the pH electrode to the BNC type connector marked in green. Connect the
temperature probe to the RCA / CINCH Temp connector always marked with a green background.
The instrument is also able to recognize the DHS sensor, an innovative electrode that stores calibration data
and that can be used immediately after on any enabled instrument.
•pH parameter Setup
•In measure mode press to access the SETUP menu.
•Press the button to access the pH SETTINGS P1.0 menu.
•Move with the keys and to select the program to access.
The table below shows the setup menu structure for the pH parameter, and for each program the options
that the user can choose and the default value:
•Composition of the setup Menu for pH parameter
Program
Description
Options
Factory Default Settings
P1.1
CAL BUFFER SELECT
USA – NIST – Custom
USA

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P1.2
SELECT RESOLUTION
0.1 – 0.01
0.01
P1.3
STABILITY FILTER
LOW – MEDIUM - HIGH
MED
P1.6
CALIBRATION DATA
-
-
P1.7
SET DUE CAL
NO – HOURS - DAYS
NO
P1.8
RESET SETTINGS
YES – NO
NO
P1.9
TEMPERATURE CAL
YES – NO
-
P1.1 Selection of pH buffers
•Access this setup to select the buffer family for performing the electrode calibration.
•Calibration lines from 1 to 3 points can be made.
During calibration, press to exit and save the points calibrated up to that moment (see calibration
paragraph).
The instrument automatically recognizes 2 families of buffers (USA and NIST); in addition, the user has the
option of performing a manual calibration up to 2 points with customizable values.
USA Buffers: 1,68 - 4,01 - 7,00** - 10,01 - 12,45 (Factory setting)
NIST Buffers: 1,68 - 4,00 - 6,86** - 9,18 - 12,46
**Neutral point always requested as first
In measure mode at the bottom left of the display, a series of beakers
indicates the buffers with which the last automatic and manual
calibration was carried out.
P1.2 Resolution
Access this menu to choose the resolution needed when reading the
pH parameter:
•0.1
•0.01 -default-
P1.3 Stability criteria in pH measurement
To consider the reading of a value truthful, we recommend waiting for the measurement stability, indicated
by the icon . When the measurement is not stable, four red flashing bands appear on the display.
Access this menu to change the measurement stability criterion:
“LOW”: choose this option to bring up the stability icon even in conditions of poor stability.
Readings included within 1.2 mV.
“MEDIUM” (default value): readings included within 0.6 mV.
“HIGH”: choose this option to display the stability icon only in conditions of high measurement stability,
readings within 0.3 mV.
P1.6 pH calibration data
Access this menu to view (select “VIEW”) or print (select “PRINT”) information on the last calibration
performed:
•VIEW:The following screens will scroll automatically on the display:
•First screen: CALIBRATION DATE and TIME and beakers indicating the buffers used.
Beacher
pH value of the buffer
Acid
< 6.5
Neutral
6.5 ~ 7.5
Basic
> 6.5

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•Second screen: OFFSET value of the electrode expressed in mV.
•Third and possibly fourth screen: Slope% in the measuring range (one Slope% only if two calibration
points are performed, two Slope% if three points are performed).
Note: The instrument accepts calibrations with pH electrodes with Slope% between 80 - 120% only.
Outside this range of acceptability, the instrument does not allow to end the calibration and displays the
error message SLOPE OUT OF RANGE
•PRINT: The following information are printed:
•Model and Serial Number of the instrument.
•Calibration Date and Time
•OFFSET value expressed in mV
•pH Range with relative Slope%
IMPORTANT: Make sure that the printer is connected and turned on and that the paper roll and cartridge are
correctly positioned. For more information, refer to the printer user manual.
NOTE: Use the original printer indicated by the manufacturer only. For information, contact your local distributor.
P1.7 pH calibration deadline
Access this menu to set a calibration deadline; this option is very important in GLP protocols.
•By default, no calibration deadline is set. Use the directional keys to select HOURS or DAYS and access
with button . Use the directional keys to change the number that appears in the center of the
display, entering the hours or days that must elapse between two settings, and confirm with .
•If a calibration deadline is set, the icon is present on the display in measure mode.
•When the calibration deadline is activated, the instrument prevents further measurements.
The error icon and the icon representing the calibration deadline flash on the display.
The string “MAKE A NEW CAL” invites the user to perform a new calibration of the pH sensor to be
able to work again.
Press the key to start the calibration.
P1.8 Reset of the pH parameter
If the instrument does not work perfectly or incorrect calibrations have been carried out, confirm YES with
the button to take all the parameters of the pH menu back to the default settings.
IMPORTANT: The factory reset of the parameters DOES NOT erase the stored data.
P1.9 Temperature calibration
All the instruments of this series are pre-calibrated for a correct temperature reading. However, if there is a
difference between the measured and the real temperature (usually due to a probe malfunction), it is