How it Works
Cole-Parmer
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MA-T-11
Instruction Manual
156 pgs7.12 Mb0
Quick Start Guide
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Data Sheet
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Cole-Parmer UMA-T-2, MA-T-21, MA-T-21.P, MA-T-5, MA-T-5.F Instruction Manual

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User Manual
Cole-Parmer Symmetry
Balance Series UMA/MA
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02-16-17 REV04
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Contents
1.1 INTENDED USE ................................................................................................................................................................... 7
1.2 PRECAUTIONS .................................................................................................................................................................... 7
1.3 SUPERVISION OVER METROLOGICAL PARAMETERS .......................................................................................................... 7
1.4 WARRANTY CONDITIONS ................................................................................................................................................... 7
2.1 PLACE OF USE AND ASSEMBLING....................................................................................................................................... 8
2.2 STANDARD DELIVERY COMPONENTS LIST ......................................................................................................................... 8
2.3 UNPACKING ....................................................................................................................................................................... 8
2.4 BALANCE ASSEMBLY .......................................................................................................................................................... 9
2.5 POWERING THE DEVICE ................................................................................................................................................... 11
2.6 BALANCE LEVELING .......................................................................................................................................................... 12
3.1 BALANCE KEYBOARD ....................................................................................................................................................... 13
3.2 BALANCE HOME SCREEN ................................................................................................................................................. 13
4.1 INTERNAL AUTOMATIC ADJUSTMENT ............................................................................................................................. 16
4.2 EXTERNAL ADJUSTMENT ................................................................................................................................................. 16
4.3 USER ADJUSTMENT .......................................................................................................................................................... 17
4.4 ADJUSTMENT TEST .......................................................................................................................................................... 18
5.1 GOOD WEIGHING PRACTICE ............................................................................................................................................ 18
5.2 UNITS ............................................................................................................................................................................... 19
5.3 USER-DEFINED UNIT ........................................................................................................................................................ 20
5.4 BALANCE ZEROING .......................................................................................................................................................... 20
5.5 BALANCE TARING ............................................................................................................................................................ 20
5.6 WEIGH MODE SETTINGS .................................................................................................................................................. 21
6.1 WORKING MODE SELECTION ........................................................................................................................................... 25
6.2 PARAMETER RELATED TO WORKING MODES .................................................................................................................. 26
6.3 QUICK ACCESS KEYS ......................................................................................................................................................... 26
7.1 ADDITIONAL SETTINGS FOR PARTS COUNTING MODE .................................................................................................... 27
7.2 PARTS COUNTING – QUICK ACCESS KEYS ......................................................................................................................... 28
7.3 SETTING STANDARD OR REFERENCE MASS BY ENTERING DETERMINED PART MASS ...................................................... 29
7.4 SETTING STANDARD OR REFERENCE MASS BY WEIGHING .............................................................................................. 29
7.5 ACQUIRING PART MASS FROM A DATABASE ................................................................................................................... 30
7.6 UPDATING PART MASS IN THE DATABASE ....................................................................................................................... 30
7.7 PARTS COUNTING PROCEDURE ....................................................................................................................................... 31
7.8 CHECKWEIGHING FUNCTION IN PARTS COUNTING MODE .............................................................................................. 31
7.9 DOSING FUNCTION IN PARTS COUNTING MODE ............................................................................................................. 32
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8.1 MAKING USE OF CHECKWEIGHING THRESHOLDS ............................................................................................................ 34
8.2 ADDITIONAL SETTINGS FOR PARTS COUNTING MODE .................................................................................................... 35
9.1 MAKING USE OF PRODUCTS DATABASE FOR DOSING OPERATION ................................................................................. 36
9.2 ADDITIONAL SETTINGS FOR DOSING MODE .................................................................................................................... 37
10.1 COMPARISON OF SAMPLE AND THE STANDARD............................................................................................................ 39
10.2 CHECKWEIGHING, DOSING FUNCTIONS IN PERCENT WEIGHING MODE ....................................................................... 40
10.3 INTERPRETING THE FUNCTION BY USE OF A BAR GRAPH ............................................................................................... 41
10.4 INTERPRETING THE FUNCTION BY USE OF A BAR GRAPH ............................................................................................... 41
11.1 SOLIDS DENSITY DETERMINATION ................................................................................................................................. 43
11.2 LIQUIDS DENSITY DETERMINATION ............................................................................................................................... 44
11.3 DENSITY OF AIR .............................................................................................................................................................. 44
11.4 DETERMINING DENSITY USING A PYCNOMETER ............................................................................................................ 46
12.1 SETTINGS FOR ANIMAL WEIGHING MODE ..................................................................................................................... 48
12.2 ADDITIONAL SETTINGS .................................................................................................................................................. 49
13.1 ADDITIONAL SETTINGS .................................................................................................................................................. 51
13.2 ADDING FORMULAS TO THE DATABASE OF FORMULAS ................................................................................................ 52
13.3 USING FORMULAS IN WEIGHING ................................................................................................................................... 53
14.1 SETTING OF KEYS AND WORKSPACE FOR STATISTICS MODES ........................................................................................ 56
14.2 ADDITIONAL SETTINGS .................................................................................................................................................. 57
14.3 PARAMETERS RELATED TO A SERIES OF MEASUREMENTS ............................................................................................. 57
15.1 ADDITIONAL SETTINGS OF PIPETTES CALIBRATION MODE ............................................................................................ 63
15.2 PIPETTES CALIBRATION QUICK ACCESS KEYS ................................................................................................................. 63
15.3 ADDING A PIPETTE TO THE DATABASE OF PIPETTES ...................................................................................................... 63
15.4 PRINTOUTS .................................................................................................................................................................... 65
15.5 ACTIVATING PROCEDURE .............................................................................................................................................. 66
15.6 REPORT ON THE COMPLETED CALIBRATION PROCESSES ............................................................................................... 67
16.1 ADDITIONAL SETTINGS .................................................................................................................................................. 70
16.2 DIFFERENTIAL WEIGHING QUICK ACCESS KEYS .............................................................................................................. 70
16.3 INTRODUCING A SERIES TO THE DATABASE OF SERIES .................................................................................................. 71
16.4 AN EXAMPLE OF PROCESS FOR DIFFERNTIAL WEIGHING MODE .................................................................................... 72
16.5 COPY TARE ..................................................................................................................................................................... 79
16.6 USING SAMPLE SELECTION ............................................................................................................................................ 79
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16.7 DELETING A VALUE......................................................................................................................................................... 80
16.8 PRINTOUTS .................................................................................................................................................................... 80
17.1 WORKING MODE PROCEDURE ....................................................................................................................................... 83
17.2 ADDITIONAL SETTINGS .................................................................................................................................................. 85
17.3 PERFORMING A CONTROL PROCESS .............................................................................................................................. 85
18.1 PROCESSES PERFROMED IN DATABASES ....................................................................................................................... 88
18.2 PRODUCTS ..................................................................................................................................................................... 89
18.3 WEIGHING RECORDS ..................................................................................................................................................... 91
18.4 CLIENTS .......................................................................................................................................................................... 91
18.5 FORMULATION .............................................................................................................................................................. 92
18.6 REPORTS ON FORMULATION ......................................................................................................................................... 92
18.7 REPORTS ON DENSITY .................................................................................................................................................... 93
18.8 PIPETTES ........................................................................................................................................................................ 93
18.9 REPORTS ON PIPETTE CALIBRATION .............................................................................................................................. 94
18.10 REPORTS ON PIPETTE CALIBRATION ............................................................................................................................ 95
18.11 A REPORT ON SQC ........................................................................................................................................................ 95
18.12 AMBIENT CONDITIONS ................................................................................................................................................ 97
18.13 PACKAGES .................................................................................................................................................................... 97
18.14 WAREHOUSES .............................................................................................................................................................. 97
18.15 PRINTOUTS .................................................................................................................................................................. 98
18.16 UNIVERSAL VARIABLES .............................................................................................................................................. 100
18.17 OPERATING DATABASE .............................................................................................................................................. 100
19.1 RS 232 PORT SETTINGS ..................................................................................................................................................... 104
19.2 ETHERNET PORT SETTINGS ................................................................................................................................................. 105
19.3 WI-FI SETTINGS ............................................................................................................................................................... 105
19.4 TCP PROTOCOL SETTINGS .................................................................................................................................................. 106
20.1 COMPUTER .................................................................................................................................................................. 106
20.2 PRINTER ....................................................................................................................................................................... 107
20.3 TRANSPONDER CARD READER .................................................................................................................................... 108
20.4 ADDITIONAL DISPLAY ................................................................................................................................................... 109
20.5 AMBIENTS CONDITIONS MODULE ............................................................................................................................... 109
22.1 ACCESS LEVEL ............................................................................................................................................................... 113
23.1 ADJUSTMENT PRINTOUT REPORT ................................................................................................................................ 116
23.2 ADJUSTMENT PRINTOUT REPORT ............................................................................................................................... 118
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25.1 COOPERATION WITH TITRATORS ................................................................................................................................. 122
25.2 ADJUSTMENT PRINTOUT REPORT ................................................................................................................................ 126
25.3 BUTTON, LABELS AND TEXT FIELDS CONFIGURATION ................................................................................................. 128
25.4 LABELS ......................................................................................................................................................................... 131
25.5 TEXT FIELDS .................................................................................................................................................................. 133
25.6 BAR GRAPHS ................................................................................................................................................................ 136
25.7 QUICK ACCESS KEYS CUSTOMIZATION ......................................................................................................................... 138
25.8 WEIGHING UNIT ACCESSIBILITY ................................................................................................................................... 139
25.9 START UNIT SELECTION ................................................................................................................................................ 140
25.10 BALANCE SETTINGS .................................................................................................................................................... 140
27.1 WIRELESS TERMINAL OPTION (10100-95) ................................................................................................................... 146
27.2 AMBIENT CONDITIONS ................................................................................................................................................ 147
27.3 ERROR MESSAGES ........................................................................................................................................................ 150
28.1 UMA/MASERIES BALANCES ......................................................................................................................................... 151
28.2 DIMENSIONS ................................................................................................................................................................ 151
28.3 CONNECTORS .............................................................................................................................................................. 152
28.4 RS232 AND IN/OUT CONNECTORS ............................................................................................................................... 152
28.5 WARRANTY CARD ........................................................................................................................................................ 153
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1. GENERAL INFORMATION
1.1 INTENDED USE
The balance precisely measures mass in laboratory conditions.
1.2 PRECAUTIONS
Prior to use, it is highly recommended that you carefully read this User Manual and operate
the balance as intended.
Do not operate the touch panel using sharp-edged tools (e.g., knife, screwdriver, etc.).  Place the load to be weighed in the center of balance’s weighing pan. Do not exceed the balance’s maximum capacity by placing loads that are too heavy in the
weighing pan.
Do not leave heavy loads on balance’s weighing pan for a long period of time. If a balance needs to be decommissioned, it should be done in accordance with legal
regulations.
Do not use the balance in areas where explosions occur. The balance series not designed
to operate in EX zones.
1.3 SUPERVISION OVER METROLOGICAL PARAMETERS
Metrological parameters of a balance need to be checked by an authorized user. Inspection frequency is qualified by the ambient conditions in which a balance is used, processes carried out and adopted quality management system.
1.4 WARRANTY CONDITIONS
A. Cole Parmer will exchange, replace or repair the existing balance for any damage that
appears to be faulty by production or by construction within the 3-year warranty period.
B. Warranty is voided if:
mechanical defects caused by inappropriate use:
• defects of thermal and chemical origin,
• defects caused by lightning, overvoltage in the power network
• defects caused by water damage
• or other random event
overloading the mechanical measuring system installing another version of the operating system utilizing the balance contrary to its intended use repairs carried out by non-authorized service centers removing or destroying protective stickers which secure the balance’s housing against
unauthorized access
C. Warranty card must be filled out for warranty to be valid.
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2. UNPACKING AND INSTALLATION
2.1 PLACE OF USE AND ASSEMBLING
The balance should be stored and used in locations free of vibrations and shakes, free of air
movement and dust.
Ambient air temperature should not exceed the range of: +10 °C ÷ +40 °C.  Ambient relative humidity should not exceed 80%.  During balance operation, ambient temperature in the weighing room should not change
rapidly.
The balance should be located on a stable wall console desk or a stable working table which
is not affected by vibrations and distant from heat sources.
Take special precaution when weighing magnetic objects, as part of the balance is a strong
magnet. Should such loads be weighed, use under-pan weighing option, which removes the
weighed load from area influenced by the balance’s magnet. The hook for under-pan weighing is installed in balance’s base.
Keep all package element should your device be transported in the future. Remember that
only original packaging can be used for shipping purposes. Prior to packing, uncouple any cables, remove any separable components (weighing pan, shields, inserts). Pack the device components into an original packaging. The original packaging protects the equipment against potential damage during transportation.
2.2 STANDARD DELIVERY COMPONENTS LIST
Balance and components shown in Section 2.4 depending on balance model Warranty Card USB
o User Manual o Balance USB Driver o RLAB Software o RLAB Software Manual
2.3 UNPACKING
Cut the adhesive tape. Take the device out of the packaging. Open the box, take the device components out of it (see image below)
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If there is a protective sticker on the base of the Anti-draft chamber, remove before fully assembling the device.
2.4 BALANCE ASSEMBLY
Model: UMA-T-2, MA-T-2, MA-T-2, MA-T-2, MA-T-2 Components-
Installation-
1) Carefully unpack the balance and then remove the plastic, cardboard, and foil packaging together with the protective pieces. Gently place the balance in its intended final location.
2) Install components following the diagram below:
i. Anti-Draft Shield (1)
ii. Weighing Pan (2)
iii. Glass Lid (3)
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Model: MA-T-5.F Components-
Installation:
1) Carefully unpack the balance and remove the plastic, cardboard, and foil packaging together with the protective elements. Gently place the balance in its intended final location.
2) Install components following the diagram below:
i. Centering Ring
ii. Cross-shaped Holder OR Weighing Pan Holder
Model: MA-T-21.P Componets-
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Installation:
1) Carefully unpack the balance and remove the plastic, cardboard, and foil packaging together with the protective elements. Gently place the balance in its intended final location.
2) Install components following the above diagram:
i. Anti-Draft Shield (1)
ii. Weighing Pan (2) iii. Glass Vessel (3) iv. Evaporation Ring for Pipette Calibration (4)
v. Glass Lid with Opening (5)
vi. Additional Glass Lid (6)
3) When the balance is ready to use, put the glass vessel on the pan and when the indication says the load is stable, press <TARE>.
2.5 POWERING THE DEVICE
The balance should be plugged into the outlet using the power adapter that comes as standard equipment. Plug the power adapter into the socket located at the back of the balance’s housing.
●
On plugging the balance into a power outlet, the red ON/LOAD light
located on indicator’s housing will light up.
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Press the power button located on the upper left section of terminal’s overlay. Within a few seconds, the balance will start loading. The ON/LOAD light will flash while it loads.
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On completing the startup procedure, the home screen will appear.
2.6 BALANCE LEVELING
The balance features an AutoLEVEL System that continuously monitors the balance’s level status
during its operation, which is shown in the upper right corner of balance’s display. On detecting a change, the system indicates appropriate information on the display and/or signals an alarm. A new screen will appear for adjusting the plane of the scale.
Balance leveling procedure:
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3 BALANCE CONTROL
3.1 BALANCE KEYBOARD
3.2 BALANCE HOME SCREEN
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The main window of balance software can be divided into 4 sections:
The upper part of the touch panel displays the active working mode, the logged- in operator,
the date and time, if there is an active connection to a computer, and the current level status of a balance.
Below this is the weighing window indicating the measurement result and the current
measuring unit
Next is a gray workspace area containing additional data on weighing process and activities.
● Below the workspace there is a set of quick access keys, the quick access keys change depending on the Working Mode:
The quick access keys are the following for the Weighing Mode-
- Setup
- Adjustment
- Tare
- Database of Products
- Print Data from Header
- Print Data from Footer
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The balance’s main menu is divided into function groups. Each group comprises parameters
grouped by their reference. A description of each menu group is provided further in this user manual.
List of groups - Parameters
The balance’s main menu is accessed by pressing the <SETUP> function key or the < > quick access key located in the bottom toolbar of the balance’s display. This menu includes balance settings, functions, and profiles.
ADJUSTMENT
USERS
PROFILES
DATABASES
COMMUNICATION
PERIPHERALS
INPUTS/OUTPUTS
ACCESS LEVEL
OTHERS
UPDATE
INFORMATION ON
SYSTEM
MOVIES
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4 ADJUSTMENT
The balance features an automatic internal adjustment system that ensures measurement accuracy. The Adjustment menu contains functions for the balance adjustment process.
4.1 INTERNAL AUTOMATIC ADJUSTMENT
The internal adjustment process uses a weight built into the balance’s housing. The “Internal adjustment” function key activates the automatic adjustment process. On its completion, the display
shows a message box with the process status.
CAUTION
Balance adjustment requires stable measurement conditions (free from breezes and vibrations), and the adjustment process has to be carried out with an empty weighing pan.
Adjustment Procedure:
This menu option is used to select a factor for determining the start of the automatic adjustment process. Accessible options:
None – automatic adjustment disabled  Time – adjustment takes place in time intervals determined in the “Automatic adjustment
time” menu
Temperature – adjustment is triggered by temperature change only  Both – adjustment is triggered both by temperature changes and time intervals
CAUTION
Changing the settings of automatic adjustment is enabled only in balances that are not subject to conformity assessment or verification.
4.2 EXTERNAL ADJUSTMENT
External adjustment is done using an external weight with appropriate accuracy and mass for the
balance’s maximum capacity and readability. The process is semiautomatic; the process phases below are indicated on balance’s display.
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CAUTION
External adjustment is available only in balances that are not subject to conformity assessment (verification).
Process course:
Enter the Adjustment submenu and select External adjustment>.
The balance will display the following message box:
If there is a load on balance’s weighing pan, unload it.
Press the > key. The balance determines the start mass, which is indicated by “Start mass determination” on the display.
On determining the start mass, the balance displays a new message box:
Place the indicated weight or standard on the balance’s weighing pan and press the > key
On completing the adjustment procedure, the following is displayed:
Confirm by pressing >, and the balance will return to weighing mode.
4.3 USER ADJUSTMENT
User adjustment can be done with an optional standard, whose mass ranges between
0.15 Max and Max. The adjustment procedure is compatible with the external adjustment process, but before beginning, a message box opens for entering the mass of the standard to be used for adjustment.
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CAUTION:
User adjustment is available only in balances that are not subject to conformity assessment or verification.
To start user adjustment, enter the Adjustment submenu and select User adjustment>. Then follow the commands indicated on balance’s display.
4.4 ADJUSTMENT TEST
The Adjustment test function enables users to compare the result of internal automatic adjustment
with the value of the internal weight saved in the balance’s factory parameters. This can determine
a balance’s sensitivity drift over time.
5 WEIGHING MODE
Load an object on the balance weighing pan. The stabilization of weighing result is indicated by a stability marker visible on the left side of balance display, read the measurement result.
5.1 GOOD WEIGHING PRACTICE
To ensure long lasting use of a balance with correct and reliable measurements of weighed loads, follow the procedures below:
Start the balance with no load on the weighing pan.  Load the weighing pan carefully and avoid dropping it:
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Place weighed load in the center of the weighing pan:
Avoid side loading, in particular side shocks:
5.2 UNITS
To change the weighing unit, press the weighing unit icon visible next to the value of measurement result, or by clicking the key (if displayed in an information section). Clicking the unit triggers its replacement, the clicked unit is replaced with the unit that is next on the list of available units.
Another option for unit replacement is selecting a particular unit out of the unit’s list, to view the list
click key (if displayed in an information section).
Units List:
Unit
Denotation
gram
[g]
milligram
[mg]
kilogram
[kg]
carat
[ct]
pound
[lb]
ounce
[oz]
ounce Troy
[ozt]
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pennyweight
[dwt]
Taele Hong Kong
[tlh]
Taele Singapore
[tls]
Taele Taiwan
[tlt]
Momme
[mom]
Grain
[gr]
Newton
[N]
Tical
[ti]
5.3 USER-DEFINED UNIT
A user can customize the start unit, supplementary unit, and two custom measuring units in their profile.
A custom measuring unit features:
• A multiplier
• A name (3 characters)
If a custom unit is designed, then its name is added to the list of accessible measuring units. This menu additionally enables the value of gravitational acceleration force for the balance’s place
of use to be entered. This is obligatory should the balance be used to determine mass in [N].
5.4 BALANCE ZEROING
To zero out the mass indication, press the > key.
The mass indication on the display should equal zero, and precise zero and stability symbol should appear.
The zeroing process determines a new zero point to be recognized by the balance as precise zero. Zeroing is possible only when the display indicates that the balance is stable.
CAUTION
Zeroing the display indication is possible only within ±2% of the instrument’s maximum
capacity. If the zeroed value is above ±2% of the maximum capacity, then the error message “Err2” will appear.
5.5 BALANCE TARING
To determine the net weight of an object, place its container or packaging on the balance’s weighing pan. When the measurement result is stable, press the > key.
The display should indicate mass equal to zero and the symbols NET and When the object and its packaging are removed from the instrument’s weighing pan, the display will indicate the sum of the total tared mass with a minus sign.
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The balance also enables a tare value to be assigned to a product in a database. Then, when the product is selected from the database, the data on the tare value for the specific product is automatically uploaded.
CAUTION
Tareing negative values is impossible and the balance will respond with an error message. If this happens, zero out the balance and repeat the tareing procedure.
Manual tare determination
● Press the quick access key > to open the numeric keyboard on the display.
● Type in the desired tare mass and press the > key.
● The balance will return to weighing mode, and the display will show the entered tare
value with the minus sign.
Deleting tare
The tare value indicated on the balance’s display can be deleted by pressing the <ZERO> key on the balance’s front panel or by using the programmable function key
<Deactivate tare>.
PROCEDURE 1 for removing the tared load from balance's weighing pan
● Press the <ZERO> key.
● The NET marker will disappear, and a new zero point is determined.
PROCEDURE 2 for when the tarred load in on balance’s weighing pan
● Press the <ZERO> key.
● The NET marker will disappear, and a new zero point is determined.
● If the tare value exceeds 2% of balance’s maximum capacity, the display will show the error message –Err– (forbidden operation).
PROCEDURE 3 for when the tared load is on the balance’s weighing pan or when removing the
tared load
● Press the programmable key Deactivate tare>.
● The NET marker will disappear.
● The display indicates the tare value.
● Press the Restore tare> key to restore the last tare value.
5.6 WEIGH MODE SETTINGS
The balance allows setup of operating parameters (filters, value release and autozero function, deleting the last digit and other settings) separately for each working mode.
It enables customizing the instrument and utilizing its properties depending on your needs and expectations, or on specific requirements for selected working mode; as a result, the device operation is quick and easy.
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Procedure
1. Touch the gray workspace area of the screen.
2. The display will show a menu: Settings, Keys, Information, Printouts, Profile.
3. Press one of available submenu options and select the setting to be changed. Settings - additional options related to weighing mode Keys - quick access keys
definitions
Information - additional data on weighing process that can be displayed on the home
screen
Printouts - selection of printout type  Profile - selection of profile active during balance operation
The Settings menu contains supplementary data on weighing process, such as:
Tare mode
●
SINGLE
Stores the mass value in the balance’s memory when the TARE key is pressed once;
pressing it a second time determines a new tare value. Selecting a product or packaging with an assigned tare value automatically deleted the previously assigned tare value.
●
SUM OF ACTIVE Totals the applied tare values for a product or packaging selected from a corresponding
database. The tare value can be increased by manually entering it using balance’s number
pad. When the tare value for a product or packaging has been determined, the manually entered tare value is deactivated.
●
SUM OF ALL Totals all introduced tare values.
●
AUTOTARE Tares the first stable measurement result. The NET symbol flashes on the display. The operator can then determine the net mass of the weighed load. On removing the load from balance’s weighing pan, and as the display returns to autozero, the software automatically deactivates tare value.
Automatic footer printout
Accessible options:
MODE - No – manual footer printout
Sum of measurements – print a footer when it exceeds the mass value set in the
Threshold parameter Number of measurements – print a footer when carrying out a predefined batch of measurements set in the Threshold parameter
THRESHOLD – set the value of threshold determining footer printout.
For “Sum of measurements,” the value is determined by measuring unit [g]; for “Number of
measurements,” the value is not measurable and is determined by the number of
measurements in the batch.
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Printout mode / printout release
●
Function key PRINT/printout release (manual operation)
• Never– printout deactivated
• First stable – the first stable measurement is printed
• Each stable– all stable measurements are set for printing
• Each– printout of all measurements (stable and unstable). For verified balances, only stable measurement results are printable (setting “Each stable”)
●
AUTOMATIC MODE
• Never– printout deactivated
• First stable – the first stable measurement result is recorded, and the record of the
following measurement result takes place only on unloading the weighing pan,
returning of the mass indication below the set threshold’s value, and placing another load on the balance’s weighing pan
• Last stable – the last stable measurement recorded is accepted before taking the
load off the weighing pan. The measurement is recorded on removing the load from
the balance’s weighing pan and returning the mass indication below the set threshold’s value
●
THRESHOLD
• The mass value is obligatory for an automatic printout. Set in grams.
Printout
Type of printout related to a working mode. Printout takes place on pressing <PRINT> key on balance’s overlay.
Accessible options:
●
STANDARD PRINTOUT Available printout content: HEADER, WEIGHING DATA, and FOOTER. Printout components marked as YES in the menu are printed when the printout activating function key is pressed.
●
NONSTANDARD PRINTOUT The database of printouts allows the selection one of the available nonstandard printouts visible in the PRINTOUTS menu. Operators can also design a unique printout, which is automatically added to the databases.
AIR BOUYANCY COMPENSATION
Parameters allowing the user to switch on the correction and enter data relating to density of the sample and to density of the air.
Caution: Function operates only for weighing mode.
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5 WORKING MODES- GENERAL INFORMATION
The balances feature the following working modes:
Weighing
The weight of a load is determined through an indirect measurement. A balance measures gravitational force that attracts the load. The result is processed to a digital format and displayed in a form of measurement result.
Parts counting
Based on a determined mass of a single part, it is possible to count several parts, assuming that the mass of a single part is determined with sufficient accuracy and that the following parts are equal in mass.
Checkweighing
Control of sample mass with applied thresholds. The user specifies the value of low threshold (LO) and high threshold (HI).
Dosing
The user specifies the sample’s target mass to be obtained by
pouring.
Percent Weighing
Control of percent ratio of a sample in relation to a reference standard. Obtained data provides a percent ratio on how the test sample differs from the accepted standard.
Density
Based on Archimedes principle, a balance determines density of solids and liquids. This mode requires the optional density determination kit.
Animal Weighing
Mass measurement takes place by using filters that dampen animal moves on a weighing pan, thus enabling obtaining a correct measurement result.
Formulation
By adding a sequence of ingredients, a user can prepare a mixture or formulation. Before mixing, the balance’s software requires designing a formulation by specifying its ingredients and their mass.
Statistics
Completed measurements are used to calculate statistical data, such as Min, Max, deviation, etc.
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Pipette calibration
Calibration of pipettes according to procedures listed in ISO 8655 or according to user requirements.
Differential Weighing
Analysis of a mass sample’s change over time.
Statistical Quality Control
This working mode is intended to carry out different types of product packing processes and is aimed at monitoring and/or controlling the packing process. It detects excess or lack of product quantity in a package.
Control of Prepacked Goods
This working mode is intended for CPG (Control of Prepacked Goods) processes in accordance with the regulation on prepacked goods. (mode not available in balance’s standard version)
Mass Control
This working mode is intended to carrying out quick statistical control of samples in accordance with the requirements on a quality system and/or internal standards. (mode not available in balance’s standard version)
The settings of separate working modes include special functions specific to a mode. They enable adapting a mode’s operation to a user’s individual needs. The special settings are activated on selecting a corresponding profile. A detailed description of special functions is provided while presenting each of working modes.
6.1 WORKING MODE SELECTION
Changing working mode:
●
Press the name of the active working mode, displayed in the left corner of the upper bar.
●
A list of available working modes is displayed.
●
Press the name of the desired working mode.
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6.2 PARAMETER RELATED TO WORKING MODES
Each working mode has programmable parameters determining its function. To change these settings:
1. Press the gray workspace area.
2. The below menu is displayed:
Settings - additional options related to a working mode  Keys - defining quick access keys  Information - selecting information displayed in the workspace  Printouts - selecting type and content of a printout  Profile - selecting a profile to be active during balance’s operation
3. Press the desired menu item and select the area for modification.
6.3 QUICK ACCESS KEYS
A user can define up to seven quick access keys, which are displayed in the bottom bar.
On assigning a function to a specific key, a corresponding soft key appears in the bottom navigation bar of the main screen.
This quick access key can be customized for a user’s most often used functions and processes.
7 PARTS COUNTING
The Parts counting working mode determines the quantity of small parts or objects each with equal mass. Counting is based on the mass of a single part, which is:
Determined by a reference quantity of parts  Acquired from a database of products, or  Entered manually as a numeric value.
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Working mode activating procedure
While in the main window, press the > soft key in the upper bar of the display, which
opens the Working modes submenu.
Select the Parts counting> mode. The software automatically returns to the main
screen and displays the symbol in the upper bar.
The gray workspace contains the following data:
Gross  Standard mass  Low threshold  High threshold  Target value
On selecting the parts counting mode, the display contains the following quick access keys in the bottom bar:
1. Setup – access to balance’s menu
2. Print header – print data declared in the header
3. Print footer – print data declared in the footer
4. Database of products – selection of products from corresponding database
5. Give mass of 1 part – editing field for entering the mass of a single part
6. Set mass of 1 part – set mass of a single part from optional number of parts, e.g., from 10 pcs, 20 pcs, 75 pcs, etc.
7.1 ADDITIONAL SETTINGS FOR PARTS COUNTING MODE
The additional settings allow the working mode to be adjusted for the user’s needs and requirements.
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Procedure:
Press the gray workspace. The menu shows: Settings, Keys, Information, Printout, and Profile. Press the <Settings> key. The display indicates functions related to weighing and parts counting modes.
Parts counting mode features the following optional functions:
ACAI, Automatic Accuracy Correction YES: mass of a single part is updated during counting process NO: mass of a single part is not updated
Means of operation of ACAI function:
1. When adding parts, the number of parts on the weighing pan has to be greater than
it was previously.
2. When adding parts, the number of parts on the weighing pan must be less than twice
the amount that was shown on the display before adding more.
3. The current quantity of parts must be within the 0.3 tolerance of the total value.
4. The measurement result has to be stabilized.
Minimum reference mass: 1 unit, 2 units, 5 units, 10 units—this is the minimum mass value of a single part. Unless this condition is met, the counting process cannot start.
Result control:
YES—print and save only those measurements included within the low and high
thresholds.
NO—all measurements are printed and saved.
Other functions of the Settings menu:
Tare mode Automatic footer printout Printout mode/Value release Printouts
7.2 PARTS COUNTING – QUICK ACCESS KEYS
Each working mode features a set of default quick access keys that are automatically displayed on mode activation. The set of keys can be modified by assigning other quick access keys to the bottom bar of the display. This process requires the appropriate operator’s access level.
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The user may additionally select special keys enabling quick access to the function for single part weight determination, where the weight is determined by means of a standard comprising:
5 pieces 10 pieces 20 pieces 50 pieces
7.3 SETTING STANDARD OR REFERENCE MASS BY ENTERING DETERMINED PART MASS Procedure:
Press the Give mass of 1 part> key, which opens the Reference mass editing
window with an onscreen keyboard.
Enter the value of a single part and accept it by pressing . The balance returns to
the Parts counting working mode with the automatic accuracy correction function enabled.
Caution: If the single part mass is determined as lower than 0.1 of balance’s reading unit, the balance displays the message “Value too low”.
7.4 SETTING STANDARD OR REFERENCE MASS BY WEIGHING Procedure:
Place a container on the weighing pan and tare its mass. Press Set mass of 1 part>, which opens the Reference quantity editing window with
an onscreen keyboard.
Insert desired value (the number of parts) and accept by pressing , which displays
a command: “Load: xx parts” where xx denotes the set value of the parts.
Load the requested number of parts on the weighing pan. On stabilization of
measurement result, ( symbol visible on the display), accept the mass by pressing
>.
The software automatically recalculates the mass of a single part, moves to
< parts counting> mode, and displays the number of parts loaded on the weighing pan with unit pcs.
CAUTION!
●
The total mass of all parts loaded on the weighing pan must not exceed the maximum capacity (weighing range) of the balance.
●
The total mass of all parts loaded on the weighing pan must not be lower than the value declared in parameter “Minimal reference mass.” If this condition is not met, the balance displays the message “Too low sample mass.”
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●
The mass of a single part must not be lower than 0.1 of the balance’s reading unit. If this
condition is not met, the balance displays the message “Too low part mass.”
7.5 ACQUIRING PART MASS FROM A DATABASE
A product record in the database has set of information that identifies it. One identifier is mass, which is used during the part counting process.
Procedure:
When in the Parts counting working mode, press Products database> key, and then select the desired product from the displayed list.
Enter standard (reference) mass in memory
To add a standard (reference) mass of a single part to the database of products:
Press <Setup> followed by <Database>. In the Database of Products, press <Products>. Press the name of a product and edit data in field 5 Mass. Return to Parts counting mode.
If there are no data in the database:
Press <Setup> key followed by <Database>. In the Database of Products, press Add>.
Accept the process of adding a new record in the database. Fill in the field referring to the product, including field 5 Mass. Return to Parts counting mode.
7.6 UPDATING PART MASS IN THE DATABASE
The predetermined mass of a single part can be assigned to a product in the database. This option is applied while using the ACAI (Automatic Accuracy Correction) function to determine part mass with high accuracy.
Procedure:
Determine the mass of a single part. Press the Database> key.
Press and hold the name of the product whose mass is to be updated. A contextual menu is displayed. Select <Assign standard> and the reference mass is saved in a product record under
entry “Mass.”
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