CAS CUW Series User manual

2

3
Notation Conventions
This instruction manual uses the following notation conventions to indicate
Safety Precautions and additional information.
Indicates a potentially hazardous situation that may
result in injury to personnel or equipment damage.
Provides additional information needed to properly
use the balance.
Other conventions used in this manual include:
Item Description
1,2,3.... Indicates the step number in a procedure or a sequence of changes in
the balance display.
[ ] key Indicates the operation key on the balance. See 2.2.
mass display Indicates that the balance is in the weighing mode and mass is
displayed in one of the weighing units.
These sections include information to make using the balance more
convenient.
NO.
Indicates the menu item to be selected.
The number in the is the number of the menu item on the
Menu Map.
See 7.2 “Menu Map”.

4
Safety Precautions
To ensure safe and proper operation of the balance, observe the following
precautions.
xDo not use the balance in hazardous areas.
This includes areas where the balance is expose to dust or flammable gases
and liquids.
xUse theAC adapter specified by Shimadzu.
To prevent electric shock, never disassemble the AC adapter.
The AC adapter is designed for indoor use. Do not use the AC adapter in
exterior environments or where it may be splashed by water.
Ensure that the power supply voltage meets the indicated range of the
AC adapter.
xHandle the balance carefully.
The balance is a precision instrument of solid design.
xDo not connect peripheral devices otherthan those recommended
by Shimadzu.
The balance may not operate properly if peripheral devices other than
those specified in this manual are used. The specifications of the RS-
232C/AUX connector are described in Appendix 4. Connect the peripheral
devices according to the methods described in this instruction manual.
xDo not disassemble the balance, accessories, orperipheral unit.

5
Declaration Of Conformity
CAS Corporation declares that the following products:
UW Series and UX Series Electronic Balances
conform to the following directives.
Directives
EMC directive 89/336/EEC amended by 92/31/EEC, 93/68/EEC
EN55022: 1994 / A1: 1995 / A2: 1997 (Class B)
EN55024: 1998
EN61000-3-2: 1995 /A1: 1998 /A2: 1998, EN61000-3-3: 1995
Low Voltage directive 73/23/EEC amended by 93/68/EEC
EN60950: 1992 /A1: 1993 /A2: 1993
Weighing Instruments Department
Analytical & Measuring Instruments Division
CAS CORPORATION
CAS BLDG., #440-1, SUNGNAE-DONG,
GANGDONG-GU, SEOUL, KOREA

6
CAS Balances and 21 CFR Part 11
21 CFR Part 11
21 CFR Part 11, Electronic Records, Electronic Signatures, Final
Rule (often referred to as Part 11) is the United States Food and
Drug Administration (FDA) regulation affecting computer resources
and electronic records that are used for any document that is
required to be kept and maintained by FDA regulations.
Requirements concerning computer resources security are key elements in Part 11.
The controls implemented as a result of security related requirements
are intended to result in trusted records.
CAS CLASS-Balance Agent
CAS provides a means for compliance with 21 CFR Part 11
with CAS CLASS-Balance Agent software, part of a comprehensive
laboratory data management system, CAS CLASS Agent.
Ask your CAS representative about it.
CAS WindowsDirect
When CAS balances are integrated with laboratory software by
means of our WindowsDirect function, no communication software is required
or used.
The CAS balance functions as a primary device in the system,
just as a keyboard, mouse or other data entry hardware does.
For this reason, system validation and compliance may be greatly
simplified with the use of CAS balances.
Two-way Communication
CAS balances have always been computer friendly and they
can be set up for bi-directional communication as part of a fully automated
production system or LIMS.
This manual includes the command codes and information needed
by programmers to integrate CAS balances with their software.

7
Notation Conventions
Safety Precautions
1. Introduction.................................................................................................................................11
2. Name and Function of Components........................................................12
2.1 Components........................................................................................................12
2.2 Key Panel and Operation...................................................................................14
2.3 Balance Display and Function ..........................................................................15
3. Specifications.........................................................................................................16
4. Installation..............................................................................................................17
4.1 Choosing the Installation Site............................................................................17
4.2 Unpacking and Delivery Inspection .................................................................19
4.3 Installation ..........................................................................................................22
4.4 Turning ON the Power.......................................................................................27
4.5 Span Calibration.................................................................................................28
5. Basic Operation...................................................................................................30
5.1 Weighing.............................................................................................................30
5.2 Changing the Unit Display................................................................................31
6. WindowsDirect Function...............................................................................32
6.1 Introduction: Experience it!...............................................................................32
6.2 Set Up WindowsDirect......................................................................................32
6.2.1 Setting Up the Balance ..........................................................................32
6.2.2 Cable Connection...................................................................................33
6.2.3 Setting Up the Computer.......................................................................33
6.2.4 Start and Checking Operation...............................................................35
6.3 Troubleshooting .................................................................................................36

8
7. Menu Item Selection............................................................................................. 38
7.1 What is the Menu? ............................................................................................. 38
7.2 Menu Map.......................................................................................................... 38
7.3 Menu Item Selection Procedure........................................................................ 39
7.4 Setting Numeric Values .....................................................................................41
7.5 Related Useful Functions .................................................................................. 42
7.5.1 Last Menu Recall................................................................................... 42
7.5.2 Returning to the Default Settings (menu reset).................................... 42
7.5.3 Menu Lock............................................................................................. 43
8. Built-in Clock Set-up........................................................................................ 44
8.1 Date..................................................................................................................... 44
8.2 Date Output Style............................................................................................... 44
8.3 Time .................................................................................................................... 45
8.4 Setting Display During Stand-by...................................................................... 45
9. Display Selection................................................................................................. 46
9.1 Bar graph display ............................................................................................... 46
9.2 Changing the Minimum Display Digit (10d:1d) ............................................. 46
10. Calibration........................................................................................................... 47
10.1 What is calibration? ......................................................................................... 47
10.2 Calibration Execution...................................................................................... 48
10.2.1 Span Calibration Using the Built-in Weight (UW Series Only)....... 48
10.2.2 Calibration Check Using the Built-in Weight (UW Series Only) .... 49
10.2.3 Span Calibration Using External Weights ......................................... 50
10.2.4 Calibration Check Using External Weights ....................................... 51
10.3 Calibration Setting ........................................................................................... 52
10.3.1 Selecting the Calibration Type............................................................ 52
10.3.2 PSC Fully-automatic Calibration (UW series only).......................... 52
10.3.3 Clock-CAL Fully-automatic Calibration (UW series only) ............. 53
10.3.4 PCAL: Calibration of the Built-in Weight (UW series only) ........... 54
10.3.5 PCAL Password Setting (UW series only)........................................ 55
10.4 For GLP/GMP/ISO Conformance ................................................................. 56
10.4.1 Calibration Report Setting................................................................... 56
10.4.2 Balance ID Setting............................................................................... 56

9
11. Environment............................................................................................................57
11.1 Overview ..........................................................................................................57
11.2 Stability and Response (Averaging)................................................................57
11.3 Stability Detection Settings .............................................................................58
11.3.1 What is Stability Detection?................................................................58
11.3.2 Stability Detection Band......................................................................59
11.3.3 Timing of Stability Mark Illumination and Linked Operation..........60
11.4 Tracking ............................................................................................................60
12. Units.........................................................................................................................61
12.1 Unit Display Set-up .........................................................................................61
12.2 Percentage (%) Conversion.............................................................................62
13. Enhancing Productivity...............................................................................63
13.1 Checkweighing and Target Display................................................................63
13.1.1 Checkweighing (Comparator) Display Type 1..................................64
13.1.2 Checkweighing (Comparator) Display Type 2..................................64
13.1.3 Target Mode .........................................................................................65
13.2 Piece Counting (PCS)......................................................................................66
13.3 Auto Print..........................................................................................................67
13.4 Auto Zero..........................................................................................................69
13.5 Zero Range .......................................................................................................70
13.6 Taring/Printing at Stability...............................................................................71
13.7 Pretaring Value .................................................................................................72
14.Application Functions...................................................................................73
14.1 Solid Specific Gravity Measurement..............................................................73
14.2 Liquid Density Measurement..........................................................................75
14.3 Peak Hold .........................................................................................................77
14.4 Interval Timer...................................................................................................79
14.5 Add-on Mode ...................................................................................................80
14.6 Animal Weighing .............................................................................................82
14.7 Formulation Mode ...........................................................................................85

10
15. Connecting Peripheral Instruments..................................................... 87
15.1 Electronic Printer ............................................................................................. 87
15.2 Personal Computer - RS-232C -..................................................................... 88
15.2.1 Connecting the Cable .......................................................................... 88
15.2.2 Data Format ......................................................................................... 89
15.2.3 Using Command Codes...................................................................... 91
15.2.4 Multi-Connection Mode ..................................................................... 96
15.3 Communication Setting................................................................................... 99
15.3.1 Overview.............................................................................................. 99
15.3.2 Handshaking ........................................................................................ 99
15.3.3 Format ................................................................................................100
15.3.4 Communication Speed......................................................................100
15.3.5 Parity / Bit Length .............................................................................100
15.3.6 Stop Bit............................................................................................... 100
15.3.7 Delimiter ............................................................................................101
15.4 Decimal Point Symbol in Output Data ........................................................101
16. Maintenance and Transportation........................................................102
16.1 Maintenance...................................................................................................102
16.2 Moving the Balance.......................................................................................102
17. Troubleshooting.............................................................................................. 103
17.1 General Display .............................................................................................103
17.2 Error Display..................................................................................................104
17.3 Troubleshooting .............................................................................................105
17.4 LCD (Liquid Crystal Display) Check . ........................................................ 105
Appendices................................................................................................................106
A-1. Menu Map...................................................................................................... 106
A-2. Standard Accessories and Maintenance Parts List ...................................... 111
A-3. Optional Accessories List.............................................................................. 112
A-4. Specifications of Connectors ........................................................................ 113
A-5. Table of Unit Conversion Constants ............................................................ 114
A-6. Performance Checks ..................................................................................... 115
A-7. Below-Weigh Hook Dimensions ................................................................. 116
A-8. Notes on WindowsDirect.............................................................................. 117
A-9. Index............................................................................................................... 119

11
1. Introduction
CAS UW/UX series of toploading balances are a product of our 80 year history of
developing and manufacturing weighing instruments.
CAS UW/UX series of toploading balances utilize the patented CAS UniBloc
sensor, introduced in 1989, to achieve high performance, fast response, and durability.
Available features include multiple units of measure, piece counting, checkweighing
functions, auto print, and GLP/GMP/ISO output including date and time data from a
built-in clock.
The new series also features CAS’s WindowsDirect communication, requiring no
software installation
to quickly integrate balances with lab or business software. This function eliminates data
input errors and offers extensive flexibility for application development without
compromising compliance or data security.
The UW series balance incorporates a motor-driven built-in calibration weight that can
automatically calibrate sensitivity without the use of external weights.
Read this manual carefully before using this instrument and keep it with the balance for
future reference.
This manual refers to the different types of UW and UX series (UW/UX series) balances
as follows:
H type : UW/UX H
S type : UW/UX S
Where : represents the figure indicating the capacity, H indicates
high resolution and S indicates standard resolution.
The type of balance is classified as “large pan” or “small pan” depending on the capacity.
The small pan models with minimum display of 0.001g come with a standard windbreak.
Accordingly, the models are classified into the following three groups in “4. Installation”.
a. Large pan models: Capacity 2200g or higher
b. Small pan models: Capacity 820g or lower
(minimum display 0.01g)
c. Small pan models: Capacity 820g or lower
(minimum display 0.001g, windbreak standard)
Microsoft® and Windows® are registered trademarks of Microsoft Corporation.
Names of companies and products are trademarks or registered trademarks of the companies.
Copyright 2002 byⓒCAS CORPORATION, SEOUL KOREA

12
2. Name and Function of Components
2.1 Components
a. Large pan model
b. Small pan model (minimum display 0.01g)

13
c. Small pan model (minimum display 0.001g, windbreak standard)
a, b, c. common

1
4
2.2 Key Panel and Operation
Functions of the keys
During Weighing
Key Press Once and Release Press and Hold for About 3 Seconds
[POWER] Switches between the operation and standby
modes.
Exits the application function and returns to
the mass display.
[CAL] Enters span calibration or menu item
selection. (*1)
Displays the last menu item that was set.
(Last menu recall)
[O/T] Tares the balance. (Displays zero.)(*2) (*5) Displays the Pretare value.
[UNIT] Changes the weighing unit or selects
specific gravity measurement. (*3)
Switches between the 1d and 10d
display. (*4)
[PRINT] Sends the displayed value to a peripheral
device.
Sends the date and time to a peripheral
device.
＊1 This key is used to set values when percent (%), number (PCS), solid specific gravity
(??d), or liquid specific gravity (▼d) are displayed.
＊2 When a Pretare value is set, zero is not displayed and [- Pretare value] is displayed.
＊3 Units other than “g” must be set up before they can be used for measurement. Only gram
(g), percent (%), and piece counting (PCS) are set-up before shipment. To set up other
units or specific gravity measurement, refer to section 12., or 14.1, 14.2.
＊4 When the unit is set to 10d, the resolution of the minimum display is decreased by one
decimal place.
＊5 In Pouring mode (See 11.2), the right-most part of [O/T] key marked with a circle
functions as the switch for environmental condition setting. Otherwise this part functions
the same way as the other parts of [O/T] key.
During Weighing
Key Press Once and Release Press and Hold for About 3 Seconds
[POWER] Returns to the previous menu level Returns to the mass display.
[CAL] Moves to the next menu item. Displays the last menu item that was set.
(Last Menu Recall)
[O/T] Selects or sets the currently displayed menu item,
or enter into the displayed menu. No operation.
[UNIT] Increases the numeric value of the blinking digit by 1. No operation.
[PRINT] Moves to the next digit during numeric value entry. No operation.

15
2.3 Balance Display and Function
Display Name Description
Stability mark Indicates that the weighed value is stable. (*1) In menu item selection,
indicates currently selected item.
Tare symbol Indicates that a Pretare value has been set.
Weight symbol Illuminates during span calibration. In menu selection, indicates setting
related to calibration. Blinks before automatic span calibration starts.
Number symbol Indicates numeric value entry.
Menu symbol Indicates that the menu lock is on. Illuminates during menu item selection.
Asterisk Indicates that the displayed numeric value is not a mass value.
Communication
symbol
Illuminates during communication to external equipment through the
RS-232C or DATA I/O connector. In menu selection, indicates setting
related to communication.
Battery symbol When the balance is operated with the optional battery pack, this symbo
illuminates to indicate that the battery voltage has dropped.
Inverse triangle
symbol
Indicates the set-up of solid specific gravity measurement. Used as a
substitute for the decimal point.
Zero symbol Indicates the set-up of Auto Zero function.
Animal symbol Indicates the set-up of Animal Weighing function.
Add-on symbol Indicates the set-up of Add-on mode or Formulation mode.
Memory symbol Indicates the set-up of Formulation mode.
Auto Print
symbol Indicates the set-up of Auto Print function.
Stand-by
symbol
Illuminates when the balance power is in the standby mode.
Also illuminates when the application function has entered the standby mode.
＊1 Stability mark
The displayed value may change while the stability symbol remains illuminated if the
load is changing slowly or if the stability detection band has been set to a large value.

16
3. Specifications
UWSeriesModel UW220H UW420H UW620H UW2200H UW4200H UW6200H UW420S UW820S UW4200S UW8200S
Capacity 220g 420g 620g 2200g 4200g 6200g 420g 820g 4200g 8200g
Minimum display 0.001g 0.001g 0.001g 0.01g 0.01g 0.01g 0.01g 0.01g 0.1g 0.1g
Calibration range
with external weights
100-
220g
100-
420g
100-
620g
1000-
2200g
1000-
4200g
1000-
6200g
100-
420g
100-
820g
1000-
4200g
1000-
8200g
Repeatability (σ) ≤0.001g ≤0.01g ≤0.008g ≤0.08g
Linearity ±0.002g ±0.02g ±0.01g ±0.1g
Response time (s) 1.5-2.5 0.7-1.2
Ambient temperature (°C) 5-40
Temperature coefficient of
sensitivity
(ppm/°C) (10 - 30°C)
±3 ±5
Pan size (mm) approx. 108×105 170×180 108×105 170×180
Main body dimensions
(mm) approx. 190W×317D×78H
Weight (kg) approx. 3.4 4.6 3.4 4.6
Display LCD with backlight
Power requirements DC, 10 to 15.5V, 500mA (plug polarity: center negative)
Data I/O RS-232C
WindowsDirect
PSC
Clock-CAL
GLP/GMP/ISO conformance
Features
Analog display, % display, PCS, User unit, Animal weighing, Specific gravity measurement S/W, Checkweighing
UXSeriesModel UX220H UX420H UX620H UX2200H UX4200H UX6200H UX420S UX820S UX4200S UX8200S
Capacity 220g 420g 620g 2200g 4200g 6200g 420g 820g 4200g 8200g
Minimum display 0.001g 0.001g 0.001g 0.01g 0.01g 0.01g 0.01g 0.01g 0.1g 0.1g
Calibration range
with external weights
100-
220g
100-
420g
100-
620g
1000-
2200g
1000-
4200g
1000-
6200g
100-
420g
100-
820g
1000-
4200g
1000-
8200g
Repeatability (σ) ≤0.001g ≤0.01g ≤0.008g ≤0.08g
Linearity ±0.002g ±0.02g ±0.01g ±0.1g
Response time (s) 1.5-2.5 0.7-1.2
Ambient temperature (°C) 5-40
Temperature coefficient of
sensitivity
(ppm/°C) (10 - 30°C)
±3 ±5
Pan size (mm) approx. 108 × 105 170 × 180 108 × 105 170 × 180
Main body dimensions
(mm) approx. 190W × 317D × 78H
Weight (kg) approx. 2.7 2.9 2.7 2.9
Display LCD with backlight
Power requirements DC, 10 to 15.5V, 500mA (plug polarity: center negative)
Data I/O RS-232C
WindowsDirect
GLP/GMP/ISO conformance
Features
Analog display, % display, PCS, User unit, Animal weighing, Specific gravity measurement S/W, Checkweighing

1
7
4. Installation
4.1 Choosing the Installation Site
(1) Power supply
xSelect an installation site that is near a power source to ensure that the attached
AC adapter is used properly. If this is not possible, an optional battery pack is available
as a special accessory.
xVerify that the supply power voltage conforms to that indicated on the AC adapter.
(2) Installation site
Avoid sites where the balance will be exposed to the following:

1
8
xCorrosive or flammable gasses
xDust, wind, electromagnetic waves, or magnetic fields
Large capacity balances should be installed on a sturdy floor and table that can support
the total load of the balance AND object to be weighed.

19
4.2 Unpacking and Delivery Inspection
Unpack and remove all the items from the delivery box. Check if all the listed items are
present and nothing has been damaged. Contact your local distributor in case of damaged
or missing items.
Standard packed item and quantity
Type a. Large pan model b. Small pan model (Minimum display
0.01g)
c. Small pan model
(Minimum display
0.001g)
Model
(UW/UX is “UW or UX”.
Additional suffix may
appear after H or S on
your balance.)
UW/UX2200H,
UW/UX4200H,
UW/UX6200H,
UW/UX4200S,
UW/UX8200S
UW/UX420S,
UW/UX820S
UW/UX220H,
UW/UX420H,
UW/UX620H
Balance main body 1 1 1
Pan supporter cap 4 4 4
Pan 1 1 1
AC adapter 1 1 1
Protective in-use cover 1 1 1
Main 0 0 1
Lid 0 0 1
Windbreak
set Fixing
knob 0 0 2
Rubber cap 0 2 (installed on balance
main body)
2 (installed on balance
main body)
Stainless screw 0 2 2
Instruction manual
(incl. explanatory
operation sheet) 1 1 1

20
a. Large pan model
b. Small pan model (minimum display 0.01g)

21
c. Small pan model (minimum display 0.001g)