Mettler Toledo ME303T, ME4001T, ME203T, ME3002T, ME204T Instruction Manual
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Precision and Analytical Balances
User Manual
ME-T
1 Safety Information
1.1 Definition of signal warnings and symbols
Safety notes are marked with signal words and warning symbols. These show safety issues and warnings. Ignoring
the safety notes may lead to personal injury, damage to the instrument, malfunctions and false results.
WARNING
CAUTION
Attention
Note
1.2 Product safety information
Intended use
Your balance is used for weighing. Use the balance exclusively for this purpose. 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.
It is not permitted to use the instrument in explosive atmosphere of gases, steam, fog, dust and
flammable dust (hazardous environments).
General safety information
This balance complies with current industry standards and the recognized safety regulations; however, it can
constitute a hazard in use. Do not open the balance housing: The balance contains no user-serviceable parts. In the
event of problems, please contact a METTLER TOLEDO representative.
Always operate and use your instrument only in accordance with the instructions contained in this manual. The
instructions for setting up your new instrument must be strictly observed.
If the instrument is not used according to these Operating Instructions, protection of the instrument may be
impaired and METTLER TOLEDO assumes no liability.
Staff safety
These operating instructions must be read and understood before using the balance. These operating instructions
must be retained for future reference.
The balance must not be altered or modified in any way. Only use METTLER TOLEDO original spare parts and
accessories.
for a hazardous situation with medium risk, possibly resulting in severe injuries
or death if not avoided.
for a hazardous situation with low risk, resulting in damage to the device or the
property or in loss of data, or minor or medium injuries if not avoided.
(no symbol)
for important information about the product.
(no symbol)
for useful information about the product.
General hazard Electrical shock
Safety Informationī° 3Precision and Analytical Balances
Safety notes
CAUTION
Damage to the balance
1 Only use indoors in dry locations.
2 Do not use pointed objects to operate the touch screen!
The balance is of a very sturdy design, but is still a precision instrument. It must be handled
with care.
3 Do not open the balance:
The balance contains no user-serviceable parts. In the event of problems, please contact a
METTLER TOLEDO representative.
4 Only use METTLER TOLEDO original accessories and peripheral devices for the balance.
These are specifically designed for the balance.
WARNING
Risk of electric shock
Use only the original universal AC/DC adapter delivered with your balance, and check that the
voltage printed on it is the same as your local power supply voltage. Only plug the adapter into a
socket which is grounded.
Safety Information4 Precision and Analytical Balances
2 Design and Function
8
10
1
2
3
3
3
1
2
1
2
7
7
7
9
9
5
6
5
4
4
5
6
11
13
14
12
0.1 mg
1 mg
10 mg~0.1 g
2.1 Overview
Display
1
Leveling foot
3
Weighing pan
5
Level indicator
7
Glass draft shield
9
Socket for AC adapter
11
USB device
13
Operation keys
2
Handle for operation of the draft shield door
4
6
8
10
12
14
Draft shield element
Kensington slot for anti-theft purposes
RS232 serial interface
Legal for trade (LFT) sealing
USB host
Design and Function 5Precision and Analytical Balances
2.2 Operation keys
5
3 4
1 2
No. Key Name Explanation
1
ON/OFF To switch the instrument on or off.
2
3
4
5
Capacitive color TFT touch screen General navigation
Tare To tare the balance.
Zero To zero the balance.
Home To return from any menu level, or other window to
the application home screen.
2.3 User Interface
The screen is a capacitive color TFT touch screen. The screen not only displays information, it also allows the user
to enter commands by tapping on certain areas on its surface. You can choose the information displayed on the
screen, change balance settings or perform certain operations on the instrument.
Only those elements which are available for the current dialog appear on the display.
CAUTION
Do not touch the touch screen with pointed or sharp objects!
This may damage the touch screen.
Design and Function6 Precision and Analytical Balances
2.3.1 Application home screen
Prepare weight and start
The application home screen appears after the startup of the instrument. It always shows the last application that
was being used before the balance was switched off. The application home screen is the main screen of the
balance, from where every function can be accessed. You can always return to the application home screen by
pressing on the home button [
Information and work bars
Name Explanation
Weighing information bar Shows the weighing-in aid and general balance information.
1
Work title bar Shows information about the current activity.
2
Value bar Shows information about the current weighing process.
3
Main navigation Work-related functions.
4
Information fields
Name Explanation
Weighing-in aid A dynamic graphic indicator shows the used amount of the total
5
Short balance information Readability and capacity of the balance.*
6
Weighing value field Shows the value of the current weighing process.
7
Coach text field Shows instructions for the current weighing process.
8
* For approved balances: Min (minimum capacity) and e (Verification scale interval) are shown in the left upper
corner.
Action buttons
Name Explanation
Main activity configuration
9
Detailed balance Information Shows detailed technical data about the balance.
10
Weighing unit Shows the unit of the current weighing process.
11
Activities To open the activities selection.
12
Print To print out results and/or settings (printer required).
13
Settings/Preferences To configure settings/preferences.
14
Status information field Shows information about the system status.
15
] in the lower right corner of the screen.
weighing range.
To configure the current application (e.g. Weighing).
Design and Function 7Precision and Analytical Balances
2.3.2 Input Dialogs
ID 1 - Label
2.3.2.1 Entering Characters and Numbers
The keyboard dialog allows the user to enter characters including letters, numbers and a variety of special
characters.
Name Explanation
Input field Shows the characters that have been entered.
1
Delete all To delete all entered characters.
2
Discard To discard the entered data and to exit the dialog.
3
Confirm To confirm the data entered.
4
Delete To delete the last entered character.
5
Shift To switch between lower and upper case letters.
6
Specialized tabs To switch the keyboard mode for entering letters, numbers or special characters.
7
Explanation field Extra information about the value to enter (e.g. the maximum number of characters
8
available).
Design and Function8 Precision and Analytical Balances
2.3.2.2 Changing the date and time
Time
The dialog (Picker view) allows the user to set the date and time.
Name Explanation
Change date/time format Various date/time formats can be chosen.
1
Pick button Increment
2
Picker field Shows the defined time/date.
3
Pick button Decrement
4
Selection tabs Tabs of the selectable sub-categories
5
Design and Function 9Precision and Analytical Balances
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