Fisher Scientific XL15 User manual

12.000
BufferGroup:USA
LastStandardization:7Mar2004/4:06:37PM
Home
Profile
Logoff
Help
?
Standardize
Setup
Measure
Mode
LogData
Print
ShowGraph
Channel1
pH-Measure
STABLE
> Touchstandardizeicontoaccessstandardiztionmode
SampleID : ---
UserID :Default
AutoBuffer :ON
AutoRead :OFF
Temp. : 25.5C(ATC)
mV : -295.7
Slope : 102.8%
Offset : -32.4mV
XL15
USER Manual

XL15
USER Manual

2
Table of Contents
Introduction..................................................................................................3
Unpacking the Meter....................................................................................4
Specifications ...............................................................................................5
Getting Started
CONNECTORS...............................................................................................................6
pH ELECTRODES .........................................................................................................7-8
Using the Meter
TOUCH SCREEN OPERATIONS..................................................................................9-10
Using the STYLUS..........................................................................................................11
Setting TIME and DATE..................................................................................................12
ON-SCREEN KEYBOARD..............................................................................................13
EXPANSION CARD ......................................................................................................14
Connecting to the INTERNET..........................................................................................15
Choosing a CHANNEL .................................................................................................16
BUTTON FUNCTIONS . ...........................................................................................17-18
pH Setup
pH SETUP SCREEN and Function Buttons........................................................................19
Access pH SETUP..........................................................................................................20
Set SAMPLE ID#............................................................................................................21
Select BUFFER GROUP ..................................................................................................22
Select BUFFER RECOGNITION.......................................................................................23
Select AUTO READ MODE ...........................................................................................24
Set pH STABILITY CRITERIA............................................................................................25
Set DEFAULT TEMPERATURE ..........................................................................................26
Set ISOPOTENTIAL POINT ............................................................................................27
Set ALARM LIMITS.........................................................................................................28
Set PRINT CRITERIA.......................................................................................................29
Set DATA STORAGE CRITERIA.......................................................................................30
Set DISPLAY CRITERIA SETUP.........................................................................................31
View STORED DATA ................................................................................................32-33
mV Setup
mV SETUP SCREEN and Function Buttons .......................................................................34
Access mV SETUP .........................................................................................................35
Set SAMPLE ID#............................................................................................................36
Set ALARM LIMITS.........................................................................................................37
Set PRINT CRITERIA SETUP ...........................................................................................38
Set DATA STORAGE CRITERIA.......................................................................................39
Set DISPLAY CRITERIA ...................................................................................................40
View STORED DATA ................................................................................................41-42
pH Operation
STANDARDIZING ...................................................................................................44-48
With Auto Buffer Recognition ................................................................................44-45
With Manual Buffer Recognition ............................................................................46-47
TEMPERATURE STANDARDATION..................................................................................48
pH MEASUREMENT.................................................................................................49-50
With Auto Read ON and OFF....................................................................................50
mV Operation
mV MEASUREMENT ................................................................................................51-53
Absolute mV Measurement.........................................................................................52
Relative mV Standardization and Measurement ...........................................................52
Cleaning.....................................................................................................54
Trouble Shooting ........................................................................................55
Warranty ...................................................................................................56
Compliance ................................................................................................57
Appendix
Determining ISOPOTENTIAL POINTS EXPERIMENTALLY ..................................................58
Factory DEFAULT SETTINGS ..........................................................................................59
pH THEORY.............................................................................................................60-64
Replacement Parts......................................................................................65

3
Introduction
Thank you for selecting a Fisher Scientific accumet pH meter. This manual describes
the operation of the accumet XL15 meter. The state-of-the art meter that you have
purchased runs on a Windows CE platform and has a similar framework of a pocket
PC ( or "Palm Pilot"). It is easy to operate and will guide you through the various
functions by displaying easy to understand prompts. This operating manual should
answer any questions that might arise in operating your meter; however, do not hesi-
tate to call our accumet Technical Support Hotline at 1-888-358-4706, if you need
any assistance.
This meter is designed to provide all the information necessary to guide you through
the process of measuring pH or mV with a series of prompts on the screen. The acc-
umet excel XL15 provides microprocessor precision in a compact benchtop design
that is easy to use. One touch screen controls all procedures, letting you:
• Measure pH, absolute mV, relative mV or pH (FET)
• Select one of three sets of standard buffer groups
• Implement automatic buffer recognition
• Standardize with up to five standard or customer buffers
• Customize your display screen and operating parameters
• Assign operator and sample identification numbers
• Store 1000 data points per user in the meter’s memory or transfer data to a
computer or printer.
• Access extensive online help with just a touch a button
It all adds up to rapid, completely automatic, intuitive operation.
Useful tips will appear in this
box throughout this manual

4
Unpacking the Meter
The following is a listing of what you should have received with your new accumet XL15
pH/mV meter.
Meter with kit includes
meter
power supply
electrode arm support bracket
electrode arm
electrode (13-620-130)
ATC probe (13-620-19)
manual and literature
Meter only includes
meter
power supply
electrode arm support bracket
manual and literature
If any of these items are missing, please contact the accumet Technical Support Hotline at
1-888-358-4706. Accessory Conductivity Probes and Ion Selective Electrodes are available
and can be ordered by calling Fisher Customer Service at 800/766-7000.

5
Specifications
640x480 digit LCD
screen size 4 1/2” x 6”
menu options extensive
help screens extensive
configurable display yes
keypad controls context specific touchscreen
1000 data pts
internal diagnostics yes
programmable data storage store on stable, time, manual
programmable data output output on stable, time, manual
print interval 1 to 86400 sec
programmable alarm yes
range -2.000 to 20.000
resolution 0.1/0.01/0.001
relative accuracy ± 0.002
automatic buffer recognition yes
manual buffer recognition yes
calibration points 5
auto lock yes
FET yes
range ± 2000.0
resolution 0.1
accuracy ± 0.2
range -5.0 to +105.0 °C
resolution 0.1 °C
accuracy ± 0.2 °C
inputs/outputs BNC, Pin, ATC, RS232, DIN (for FET)
electrical requirements 115 V/60 Hz, 230 V/50 Hz
output from PSU 9VDC, 3.3A center negative
line voltage tolerance ± 10%
input impedance >10 12 ohms
meter size 6.75"x9.25"x3.5"
meter weight 2.8 lb.
operating temperature 5-45 °C
operation humidity 5-80 % noncondensing
maximum operating altitude 2000m
installation category II
Pollution category degree 2
Display
Memory
pH Mode
mV Mode
Temperature Mode
General
Operating Conditions

6
Getting Started CONNECTORS
Review the layout and arrangement of the rear connector panel.
RS-232
POWER
CENTER
GND
RJ 45 USB USB-A FET ATC1 REF1 pH1
SD CARD IrDA
9V
1
Stylus Power accuFET pH electrode
(Channel 3)
Automatic Temperature
Compensation (ATC)
Reference pin jack
BNC input connector
(Channel 1)
RS-232 (computer/printer)
SD card reader Infrared communication
RJ 45 USB
Ver 1.1 USB-A,
Ver 1.1
twin port*
POWER
CENTER
GND
9V
Connect the electrode
arm to the base.
2
Connect the power
cable to the rear
connector panel power
jack and to a power
source.
3
*NOTE: USB devices like printer, mouse, etc.
should be connected to the lower port (USB-A).

7
Getting Started
pH ELECTRODES
This meter allows you to use two types of pH electrodes: the conventional glass pH
electrode and the AccuFET field effect transistor (FET) pH electrode.
Do not discard the
BNC shorting cap.
Carefully remove the protective cover
from the end of the electrode. Before
first using your glass pH electrode, or
whenever the electrode is dry, soak it
2-4 hours in an electrode storage
solution, pH 4 Buffer, or KCl solution.
1
Remove the shorting cap on BNC connector.
Connect the combination pH electrode by
plugging it into the BNC input connector
(twisting to lock in place).
If a combination electrode isn’t used, connect
the indicating pH electrode into the BNC
input connector. Plug the reference elec-
trode into the reference pin jack. Also, install
the ATC probe into the ATC jack.
Note: Be sure to connect all probes to the
appropriate channel connectors (for exam-
ple: Input 1, Ref 1 and ATC1).
Option: Connect the optional AccuFET elec-
trode by plugging it into the FET jack on the
back meter panel. Allow the AccuFET to warm
up five minutes before use.
2
shorting
cap
If both a conventional electrode
and an AccuFET electrode are
connected to the meter, do not put
them in a solution together
because you will get inaccurate
measurements.

8
Getting Started pH ELECTRODES
Rinse and blot-dry (don't wipe) elec-
trodes between each measurement.
Rinse electrodes with distilled or
deionized water, or a portion of the
next solution to be measured.
3
Between measurements, store con-
ventional pH electrodes in electrode
storage solution, pH 4 buffer, or KCl
solution. Always leave the filling hole
of liquid filled combination electrodes
open. Refill when the level of solution
gets below the manufacturer's recom-
mended level.
4
Proper electrode care is fundamental to obtaining reliable pH measure-
ments. Improper care of the electrode may cause the meter reading to
drift, respond slowly, or produce erroneous readings. For this reason,
the electrode should always be conditioned and used in accordance
with manufacturer’s instructions.

9
Using the Meter
TOUCH SCREEN OPERATION
When the meter is turned on it first goes though self test, displays the FISHER Catalog
cover, briefly displays the desktop screen (Home) before loading the XL15 program
which results in the display of the measurement screen.
My
Computer
WindowsCE.net
Microsoft
®
ARM.
XLESSLXLE
My
Documents
Internet
Explorer MediaPlayer
AdminUser
RecycleBin
XL15
15
Home
Profile
Logoff
Help
?
Standardize
Setup
Measure
Mode
LogData
Print
ShowGraph
Notstandardized
Channel1
pH-Measure
STABLE
7.00
> Touchstandardizeiconto accessstandardiztionmode
SampleID : ---
UserID :Default
AutoBuffer :ON
AutoRead :OFF
Temp. : 25.5C (ATC)
mV : 0.0
Slope : ......
Offset : ......
Desktop screen(Home) pH measurement screen

10
Using the Meter TOUCH SCREEN OPERATION
The new accumet XL15 benchtop pH meter operates with a state-of-the-art touch
screen. The touch screen makes this the easiest meter on the market to operate and
care for. When the meter is first plugged in, the meter runs a self-test and takes you
to the pH measurement screen. Touch any icon to access the functions of the meter.
Your XL15 meter also includes a stylus that you can use to tap on your screen. The
stylus easily stores inside the back panel of the meter.
The buttons on the right side of the screen control all of the functions of the meter. A
light touch on the screen is all that you need to access the various functions. Once
you touch a button you will get an audible tone; the screen will not change until
you lift your finger.
This design prevents rapid uncontrolled scrolling through the various function
screens. Function buttons and options change from screen to screen. Easy to under-
stand prompts guide you through the operation of the meter in the selected mode. If
you are ever in doubt about what to do, just touch Help on the bottom right corner
of the screen for detailed information about that screen.
The touch screen is made of a durable polyester material that is chemically resistant.
Maintenance is simple with this meter. To clean the screen you just need to wipe it
with a damp cloth and dry it with a clean dry towel. For additional information, see
Cleaning and Troubleshooting sections of the manual.

11
Using the Meter
Using the STYLUS
Your XL15 Meter comes with a stylus that you should use to tap on your screen.
The stylus easily stores inside the back panel of the meter.
You can perform two basic actions using the stylus:
Tap
Lightly touch the screen to select or open an item. Lift the stylus after you tap an
item. Tapping is equivalent to clicking an item with the mouse on your personal
computer. Note: Some program items require a double tap to select or launch.
Double tap on the icons from the Desktop (Home) page and single click in the
XL15 application
Drag
Place the point of the stylus on the screen and drag an item across the screen with-
out lifting the stylus until you have completed the selection. Dragging is equivalent to
dragging with the left mouse button pressed on your personal computer .
CAUTION: To prevent damage to your XL15 screen, never use any
device other than the stylus that comes with the meter or an approved
replacement to tap on the screen. Order extra or replacements if you
lose or break your stylus.

Setting the Time
1. From the HOME screen tap the bottom left of the screen to access the Start
menu. Tap Start > Settings > Control Panel. This launches the Control
Panel screen.
2. Double tap Date/Time icon. This launches the Date/Time Properties
window.
3. Tap the time-zone down arrow, and select the appropriate time zone.
4. Tap the hour, minutes, or seconds. Use up and down arrows to adjust.
5. Tap AM or PM. Use up and down arrow to select.
6. Tap Apply button.
7. Tap OK to save the time.
Setting the Date
1. From the HOME screen tap the bottom left of the screen to access the Start
menu. Tap Start > Settings > Control Panel. This launches the Control
Panel screen.
2. Double tap Date/Time icon. This launches the Date/Time Properties
window.
3. Tap the left or right arrow to select a month and year.
4. Tap a day.
5. Tap Apply button.
6. Tap OK to save the time.
You need to reset your time zone, time, and date if:
• The time changes or you are traveling to a different time zone.
12
Using the Meter Setting TIME and DATE
The time on the meter can be synchronized with your personal computer
through Microsoft®"Active sync".
Date/Time
OK
X
Date/TimeProperties
March2004
_Apply
S M T W T F S
29 1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31 1 2 3
4 5 6 7 8 9 10
CurrentTime
TimeZone
(GMT-06:00)CentralTime(US&Canada)
4:05:27PM
Automaticallyadjustclockfordaylightsaving

13
Using the Meter
ON-SCREEN KEYBOARD
Using the On-Screen Keyboard
Use the stylus to tap letters, numbers, and symbols on the on-screen keyboard to
enter typed text directly onto the screen.
1. From any application, screen tap the bottom right of the screen to access the
input panel. Tap the Pencil/Keyboard icon (see below). A pop-up menu will
appear.
2. Tap LargeKB to display a large keyboard with all function keys.
Tap keyboard for a basic function alphanumeric keyboard.
3. Tap desired letters, numbers and symbols on the keyboard. Hit the enter key.
4. To remove keyboard, tap on Pencil icon. The pop-up menu will appear. Tap
Hide Input Panel to remove keyboard.
To see symbols, tap the Shift key.
5:25PM
5:25PM

14
Using the Meter EXPANSION CARD
Expansion Cards
You can expand the memory and connectivity of your XL15 meter.
Use optional expansion cards for:
• Expanding the memory of your XL15 meter
• Viewing the content of memory cards
Expansion cards must be purchased separately
and are not included with your XL15 meter
Installing an Expansion Card
To install a Secure Digital (SD) card into an expansion slot on the XL15 meter:
1. Locate the slot on the top of XL15 meter.
2. Remove the protective plastic card.
3. Insert the expansion card into the expansion slot and push the connection edge of
the card firmly into the expansion slot.
If your expansion card is not recognized, follow
the card manufacturer’s instructions to install it.
Removing a Secure Digital (SD) Expansion Card
1. Close all applications that are using the expansion card.
2. Remove a card from the Secure Digital expansion slot by slightly pushing down
on the card to unlock it.
3. When the card disengages and pops up, pull it from the expansion slot.
CAUTION: SD cards must first be unlocked
before removal.
Viewing the Content of Memory Cards
Use File Explorer to view the files that are located on your optional Secure Digital card.
1. From the Start menu, tap Programs > File Explorer.
2. Tap the root directory of My Device, and select the Storage Card folder (SDIO) to
see a list of files and folders.

15
Using the Meter
Connecting to the INTERNET
Entering an Internet Address
With Pocket Internet Explorer and a connection to the Internet, you can view Web sites
on your XL15 meter by typing an address or Universal Resource Locator (URL) in the
Address bar. Web sites that use HTML 4.0, DHTML, animated GIF images, and Java
applets may not work correctly in Pocket Internet Explorer without additional software.
To enter an Internet address (URL) on your XL15 meter :
1. From the Start menu, tap Programs > Internet Explorer > Address Bar. If the
Address Bar is not visible, tap the View tab > Address Bar to turn it on. You may
also double tap the Internet Explorer icon on the Home screen to launch
Internet Explorer.
2. Enter the Internet address (URL) in the Address bar using the on-screen
keyboard.
3. Tap the Go icon.
Using a Favorites List
With Pocket Internet Explorer and a connection to the Internet, you can view Web sites
on your XL15 meter by selecting one from your Favorites list.
To select a Web site from your Favorites list:
1. From the Start menu, tap Internet Explorer.
2. Tap the Favorites icon and the Web site you want to view.

16
Using the Meter Choosing a CHANNEL
The XL15 is a multi-channel meter. With this meter you can switch from channel 1 to
channel 3. You cannot view both channels at the same time. The setup parameters
for each screen are independent from one another.
Choosing a channel
1. Touch Ch1 or Ch3 on the main screen to select a channel.
If you are in any measurement mode, touch
Mode until you access the main screen.
Home
Profile
Logoff
Help
?
SelectCh1 / Ch3fromaboveXL15Meter
BackpanelImage
Ch1
Ch3
Sys.Setup

17
Using the Meter
BUTTON FUNCTIONS
The touch screen of your XL15 bench meter has “buttons” along the right side of the
screen that are common to many of the screens. The following indicates the function of
these common buttons.
The Standardize button accesses the standardization screen from the
various measure modes and initiates standardization of the meter once
the standardization screen is accessed.
The Measure button directs the meter to measure your sample when in
the Auto Read function of the pH or pH (FET) modes.
The Mode button allows you to switch between the various operations of
the meter—pH, mV and pH (FET)
The Setup button will access the setup screens of the measuring mode
that you are currently using.
The Print button will send information to the output device that you are
connected to your meter. The output device can be a printer or data log-
ger. Touching the Print button will also send data to the data storage cen-
ter of the meter if a sample ID# has been assigned to your sample.
The Log Data button sends data to the data storage center of the meter if
a sample ID# has been assigned to your sample.
The Profile button lets you view your
profile (User ID, Password, Company
Name, User Group) You can change only
your profile and not of any other user.
You can change to a different user only
if you are the default user of the system.
The Home button accesses the Windows CE desktop. The XL15 applica-
tion does not shut down if Home is pressed and the current user remains
logged in. Double tap on the XL15 icon to return to the previous screen
before the Home button was pressed.
The Logoff button allows you to logoff the current user from the XL15
application. The XL15 application shuts down returning to the Win CE
desktop. When you re-start the application, you go to the main screen of
the application. The second time you are logged in as the default user of
the system.
The Help button allows you to access helpful information on any screen.
Touching the Help button gives you information about the current screen.
This information will include step-by-step instructions for operating the
meter from the current screen and possible applications information for
that screen.
The Sys.Setup button allow you to turn on or off the beep status. This is
the audible beep that sounds each time any button is touched. The
Sys.Setup button is only accessible in the Mode screen.
Profile
Home
Logoff
Help
?
UserID
Password
CompanyName
UserGroup
Admin
*****
FisherScientific
ResearchA
OK
UserProfile
Pleaselogoffandre-enter to change user
Mode
Print
LogData
Measure
Standardize
Setup
Sys.Setup

18
Using the Meter BUTTON FUNCTIONS
The rel mV button returns the meter into
the relative millivolt mode when in the
absolute mV mode. When this mode is
activated, a window will appear asking
you to set a relative mV value or accept
the default value of 0 mV. This feature
may assist the user to standardize
certain analytical and monitoring activities such as titration.
The abs mV button returns the meter to absolute millivolt mode when the
meter is in the relative mV mode. This button only appears when the meter
is in the relative mV mode
The following buttons appear in the pH and pH (FET) standardization screens:
The Confirm button accepts current value of the buffer being standardized.
This button only appears in the pH and pH (FET) standardization screens.
The Clear button clears all previous standardization points. This button only
appears in the pH and pH (FET) standardization screens.
The Cancel button cancels current standardization and returns to the pH
measurement screen. This button only appears in the pH and pH (FET)
standardization screens.
The Temp Std button allow you to check the accuracy of your temperature
probe and standardize to an accurate thermometer.
The following buttons appear in the mode screen after Ch1 or Ch3 is selected:
The pH mode button allows you to switch to the various pH operations of the meter.
The pH (FET) mode button allows you to switch to the various pH (FET) operations of the
meter.
The mV mode button allows you to switch to the various mV operations of the meter.
TouchsettosetrelativemVor
Touchdefaulttoacceptthedefaultvalue
(0mV)
SET DEFAULT CANCEL
relmV
absmV
Confirm
Clear
Cancel
TempStd
pH
pH(FET)
mV

19
pH Setup
pH SETUP SCREEN
The pH Setup screen present many options to control the operating parameters of the
meter. The meter is factory set with regard to these options, and is ready for use under
most circumstances (see appendix page 59 for default settings). The operating parame-
ters of the pH mode can be set and controlled from the pH setup screen. The pH Setup
section will guide you through the various options available in the pH setup mode.
pHSetup
OK
X
MANUAL SEQUENCE NONE
2.00 4.00 7.00 10.00 12.00
USA EURO NIST CUSTOM
MANUAL
MEDIUM SLOW
25.0 CFK
0.00 mV
-2.00
20.00
pH
pH
Low
High
ON
OFF
Touchheretoedit
Touchheretoedit
Touchheretoedit
OK
BufferGroup
SampleID
BufferRecognition
AutoReadMode
pHStabilityCriteria
DefaultTemperature
IsopotentialPoint
AlarmLimits
PrintCriteria
DataStorageCriteria
DisplayCriteria
AUTO
AUTO
FAST
MANUAL
Cancel View Help Reset
Function Buttons on pH Setup Screen
Touch OK to confirm pH Setup and return to the pH Measure screen.
Touch Cancel to exit and return to the pH Measure screen without confirming pH Setup.
Touch View to view all pH data points stored in memory. See pages 32-33 for details.
When you touch the Help button, information about the current screen appears. This
information includes step-by-step instructions for operating the meter from the current
screen and possible applications information for that screen.
Touch Reset to reset all pH Setup Criteria to the factory default.