Mettler Toledo ME User Manual
METTLER TOLEDO
METTLER TOLEDO
METTLER T
O
L
EDO
Precision and Analytical Balances
User Manual
ME
EULA
The software in this product is licensed under the METTLER TOLEDO End User
License Agreement (EULA) for Software.
When using this product you agree to the terms of the EULA.
This User Manual is a brief instruction that provides information to handle with the first steps of the
instrument in a safe and efficient manner. Personnel must have carefully read and understood this
manual before performing any tasks.
For full information, always consult the Reference Manual (RM).
u www.mt.com/EULA
u www.mt.com/me-RM
3Precision and Analytical Balances
Overview balance
METT
LER TOLEDO
METT
LER TOLEDO
M
ETTLER TOLEDO
METTLER TOLEDO
11
8
10
1
2
3
3
3
3
1
2
1
2
7
7
7
9
9
5
6
5
4
4
5
6
0.1 mg
1 mg
10 mg~100 mg
12
Display
1
Leveling foot
3
Weighing pan
5
Level indicator
7
Glass draft shield
9
Socket for AC adapter
11
Operation keys
2
Handle for operation of the draft shield door
4
Draft shield element
6
Kensington slot for anti-theft purposes
8
RS232C serial interface
10
Legal for Trade (LFT) sealing
12
Overview balance4 Precision and Analytical Balances
Overview operation keys
1 2 3 4 5
Legend key functions
No. Key Press briefly (less than 1.5 s) Press and hold (longer than 1.5 s)
1
2
• Cancel or leave menu without saving
• One step back in the menu
• Print display value
• Transmit data
• To navigate backwards in the menu or
menu selection
• Decrease parameters in menu or appli-
cations
3
4
• Zero/Tare
• Switch on
• With entries, scroll down
• To navigate forward menu topics or menu
selections
• To toggle between unit 1, recall value (if
selected), unit 2 (if different from unit 1)
and the application unit (if any)
• Increase parameters in menu or appli-
cations.
5
• Enter or leave menu selection
• To enter application parameter digit and
switch to next parameter digit
• To accept parameter in menu selection.
• Select the simple weighing application
• Exit application
• Open the application list for selecting an
application
• Switch off into standby mode
• Select adjustment (calibration)
– with internal weight *
– with external weight
– Customer fine adjustment *
* On models with internal weight only
• Enter or leave menu (parameter settings)
• To store parameter
• To accept numeric inputs in applications.
Overview operation keys 5Precision and Analytical Balances
1 Safety Information
Two documents named "User Manual" and "Reference Manual" are available for this instrument.
• The User Manual is printed and delivered with the instrument.
• The electronic Reference Manual contains a full description of the instrument and its use.
• Keep both documents for future reference.
• Include both documents if you transfer the instrument to other parties.
Only use the instrument according to the User Manual and the Reference Manual. If you do not use the
instrument according to these documents or if the instrument is modified, the safety of the instrument may be
impaired and Mettler-Toledo GmbH assumes no liability.
1.1 Further applicable documents
This User Manual is a brief instruction that provides information to handle with the first steps of the
instrument in a safe and efficient manner. Personnel must have carefully read and understood this
manual before performing any tasks.
For full information, always consult the Reference Manual (RM).
u www.mt.com/me-RM
Search for software downloads u www.mt.com/labweighing-software-download
1.2 Definitions of signal warnings and warning symbols
Safety notes contain important information on safety issues. Ignoring the safety notes may lead to personal
injury, damage to the instrument, malfunctions and false results. Safety notes are marked with the following
signal words and warning symbols:
Signal words
WARNING
CAUTION
NOTICE
Warning symbols
Electrical shock
A hazardous situation with medium risk, possibly resulting in death or severe injury if not
avoided.
A hazardous situation with low risk, resulting in minor or moderate injury if not avoided.
A hazardous situation with low risk, resulting in damage to the instrument, other material
damage, malfunctions and erroneous results, or loss of data.
General hazard: read the documentation for information about the hazards and the resulting
measures.
Notice
1.3 Product specific safety notes
Intended use
This instrument is designed to be used in laboratories by trained staff. The instrument is intended for weighing
purposes.
Any other type of use and operation beyond the limits of technical specifications without written consent from
Mettler-Toledo GmbH is considered as not intended.
Safety Information6 Precision and Analytical Balances
Responsibilities of the instrument owner
The instrument owner is the person holding the legal title to the instrument and who uses the instrument or
authorizes any person to use it, or the person who is deemed by law to be the operator of the instrument. The
instrument owner is responsible for the safety of all users of the instrument and third parties.
METTLER TOLEDO assumes that the instrument owner trains users to safely use the instrument in their workplace
and deal with potential hazards. METTLER TOLEDO assumes that the instrument owner provides the necessary
protective gear.
Personal protective equipment
Chemical resistant safety gloves are intended to protect hands against aggressive chemicals.
The protective goggles protect the eyes from flying parts and liquid splashes.
Safety notes
WARNING
Death or serious injury due to electric shock
Contact with parts that carry a live current can lead to death or injury.
1 Only use the approved METTLER TOLEDO power supply cable and AC/DC adapter with a
current-limited SELV output.
2 Connect the power cable to a grounded power outlet, ensure correct polarity.
3 Keep all electrical cables and connections away from liquids and moisture.
4 Check the cables and power plug for damage and replace damaged cables and power plugs.
NOTICE
Damage to the instrument due to the use of unsuitable parts
Using unsuitable parts with the instrument can damage the instrument or cause it to malfunction.
− Only use parts from METTLER TOLEDO that are intended to be used with your instrument.
NOTICE
Damage to the instrument or software
In some countries, excessive mains voltage fluctuations and strong glitches may occur. This may
affect the instrument functions or damage the software.
− Use a voltage regulator for stabilizing.
Safety Information 7Precision and Analytical Balances
2 Design and Function
Application Icons
Status Icons
Weighing-in aid
Weight Value Field
Unit Field
2.1 Display
Application Icons
Application "Weighing" Application “Totaling”
Application "Piece counting" Application “Dynamic weighing”
Application "Percent weighing" Application “Multiplication factor”
Application "Check weighing" Application “Division factor”
Application "Statistics" Application “Density”
Application “Formulation / Net-Total” Menu locked
While an application is running, the corresponding application icon appears at the top of the display.
Status Icons
Indicates stored value (Memory) Feedback for pressed keys
Indicates Net weight values Weighing range 1 (Dual Range models only)
Adjustments (calibration) started Weighing range 2 (Dual Range models only)
Service reminder
Weight Value Field and Weighing-in aid
Indicates negative values Brackets to indicate uncertified digits
Indicates unstable values Marking of nominal or target weight
Indicates calculated values Marking of tolerance limit T+
(approved models only)
Marking of tolerance limit T-
Design and Function8 Precision and Analytical Balances
Unit Field
WEIGH
0.00
g
I00.0%
APP.LIST
0.00
g
COUNT
FORMULA
gram
g
kilogram
kg
milligram
mg
lb
oz
carat
ct
pound
ounce
dwt
mom
msg
2.2 Basic principles for operation
Selecting simple weighing or terminate application
− Press and hold until WEIGH appears on the display.
ð The balance returns to the simple weighing mode.
Note
How to perform simple weighing see Performing a simple weighing.
Selecting an application
1 Press and hold F until APP.LIST (application list).
ð Last active application, e.g., COUNT appears on the
display.
2 Select an application by multiple pressing
3 To execute selected application press
Available applications
.
.
troy ounce
ozt
grain
GN
pennyweight
momme
mesghal
Hong Kong taels
tlh
tls
tlt
tola
baht
Singapore taels
Taiwan taels
tola
baht
Display Remark Description
COUNT
PERCENT
CHECK
STAT
FORMULA
TOTAL
DYNAMIC
FACTOR.M
FACTOR.D
DENSITY
Piece counting
Percent weighing
Checkweighing
Statistics
Formulation / Net-Total
Totaling
Dynamic weighing
Multiplication factor
Division factor
Density
see Application "Piece Counting"
see Application "Percent Weighing"
see Application "Check Weighing"
see Application "Statistics"
see Application "Formulation" (Net Total Formulation)
see Application "Totaling"
see Application "Dynamic Weighing"
see Application "Multiplication Factor Weighing"
see Application "Division Factor Weighing"
see Application "Density"
Design and Function 9Precision and Analytical Balances
Entering the menu
406.2
g
ADVANCE
BASIC
TIME
DATE
ENVIRON.
STABLE
ENVIRON.
01. 2500
01. 6500
01.6500
1 Press and hold Menu to enter main menu.
ð The first menu BASIC is displayed (except menu
protection is active).
2 Press
3 Press
Detailed description of the menu see The Menu.
Selecting menu topics
1 Press .
2 Press
Changing settings in selected menu topic
1 Press .
2 Press
3 Press
For store the setting see section Saving settings and closing
the menu.
repeatedly to change menu.
to confirm the selection.
Note
ð The next menu topic appears in the display.
repeatedly, the balance switches to the next
menu topic.
ð The display shows the current setting in the selected
menu topic.
repeatedly, the balance switches to the next
selection.
ð After the last selection, the first is shown again.
to confirm the setting.
Changing settings in a submenu selection
The same procedure as for menu topics.
Input principle of numerical values
1 Press to select a digit (cyclically from left to right) or a
value (depending on the application).
ð The selected digit or the selected value is blinking.
2 Press
3 Press and hold
Design and Function10 Precision and Analytical Balances
to increase or F to decrease for changing
blinking digits or values.
to confirm the value.
Saving settings and closing the menu
SAVE:YES
SAVE:NO
1 Press and hold Menu to leave menu topic.
ð SAVE:YES appears on the display.
2 Press
3 Press
4 Press
to toggle between SAVE:YES and SAVE:NO.
to execute SAVE:YES.
ð Changes are saved.
to execute SAVE:NO.
ð Changes are not saved.
Cancel
During menu operation
§
1 Press C for leaving menu topic or menu selection without
saving (one step back in the menu).
2 To leave menu topic or menu selection without saving
press C (one step back in the menu).
During application operation
§
− Press C to cancel settings.
ð The balance returns to the previous active application.
Note
If no entry is made within 30 seconds, the balance reverts to last active application mode. Changes are not
saved. If changes are made, the balance asks SAVE:NO.
Design and Function 11Precision and Analytical Balances
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