OHAUS ANALYTICAL Plus Series User manual

Instruction Manual
ANALYTICAL
Plus
Electronic Balances
Models
AP110, AP210, AP310, AP250D,
AP110E, AP210E, AP310E and
AP250E
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The exclamation
pointwithinthetri-
angle is a warning
signalertingyouof
important instruc-
tions accompany-
ing the product.
NOTE: THIS EQUIPMENT HAS BEEN TESTED AND FOUND TO COMPLY WITH THE LIMITS FOR
A CLASS A DIGITAL DEVICE, PURSUANT TO PART 15 OF THE FCC RULES.
THESE LIMITS ARE DESIGNED TO PROVIDE REASONABLE PROTECTION AGAINST HARMFUL
INTERFERENCE WHEN THE EQUIPMENT IS OPERATED IN A COMMERCIAL ENVIRONMENT.
THIS EQUIPMENT GENERATES, USES, AND CAN RADIATE RADIO FREQUENCY ENERGY AND,
IF NOT INSTALLED AND USED IN ACCORDANCE WITH THE INSTRUCTION MANUAL, MAY
CAUSE HARMFUL INTERFERENCE TO RADIO COMMUNICATIONS. OPERATION OF THIS EQUIP-
MENT IN A RESIDENTIAL AREA IS LIKELY TO CAUSE HARMFUL INTERFERENCE IN WHICH
CASE THE USER WILL BE REQUIRED TO CORRECT THE INTERFERENCE AT HIS OWN EX-
PENSE.
THIS DIGITAL APPARATUS DOES NOT EXCEED THE CLASS A LIMITS FOR RADIO NOISE
EMISSIONS FROM DIGITAL APPARATUS AS SET OUT IN THE INTERFERENCE-CAUSING EQUIP-
MENT STANDARD ENTITLED “DIGITAL APPARATUS”, ICES-003 OF THE DEPARTMENT OF
COMMUNICATIONS.
CET APPAREIL NUMERIQUE RESPECTE LES LIMITES DE BRUITS RADIOELECTRIQUES
APPLICABLES AUX APPAREILS NUMERIQUES DE CLASSE A PRESCRITES DANS LA NORME
SUR LE MATERIEL BROUILLEUR: “APPAREILS NUMERIQUES”, NMB-003 EDICTEE PAR LE
MINISTRE DES COMMUNICATIONS.
Unauthorized changes or modifications to this equipment are not permitted.
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TABLE OF CONTENTS
INTRODUCTION ............................................................................................................. 1
DESCRIPTION ................................................................................................................ 1
FEATURES ..................................................................................................................... 1
UNPACKING ................................................................................................................... 2
INSTALLATION ............................................................................................................... 3
Environment ............................................................................................................. 3
Weigh Below Hook ................................................................................................... 3
Leveling the Balance ................................................................................................ 4
Installing the Pan Assembly ..................................................................................... 4
In-Service Cover....................................................................................................... 4
RS232 Interface ....................................................................................................... 5
Hardware .............................................................................................................. 5
Output Formats..................................................................................................... 5
RS232 Commands ................................................................................................... 5
Connecting Power .................................................................................................... 8
Spare Fuse............................................................................................................... 8
Self Test ................................................................................................................... 8
OPERATION ................................................................................................................... 9
Switch Functions ...................................................................................................... 9
Symbols Used for Operation of the Balance .......................................................... 10
Navigating the Menus............................................................................................. 11
Operational Guide/Index ........................................................................................ 12
Turning the Balance On ......................................................................................... 13
Display Indications ................................................................................................. 13
Stabilization ............................................................................................................ 14
Auto Range (AP250D and E Only)......................................................................... 14
Weighing ................................................................................................................ 14
Taring ..................................................................................................................... 14
Percent Weighing ................................................................................................... 15
Parts Counting........................................................................................................ 16
Check Weighing ..................................................................................................... 17
Animal Weighing .................................................................................................... 18
Fill Guide ................................................................................................................ 19
Reference Weight ............................................................................................... 19
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ii
Reference Number ............................................................................................. 20
High Point............................................................................................................... 20
Printing Data........................................................................................................... 21
Time and Date .................................................................................................... 21
List ...................................................................................................................... 22
Automatic Calibration Printout ............................................................................ 23
User Calibration Printout .................................................................................... 23
Calibration Test Printout ..................................................................................... 23
Statistics Printout ................................................................................................ 24
Sampling............................................................................................................. 24
Percent Weighing ............................................................................................... 25
Parts Counting .................................................................................................... 25
Check Weighing ................................................................................................. 26
FillGuideTM........................................................................................................... 26
MENUS.......................................................................................................................... 27
MENU LOCK-OUT PROTECTION................................................................................ 28
CALIBRATION MENU ................................................................................................... 29
Calibration Menu Protection ................................................................................... 29
Auto Calibration...................................................................................................... 29
User Calibration...................................................................................................... 30
Cal Test .................................................................................................................. 31
Cal End................................................................................................................... 31
USER MENU ................................................................................................................. 32
User Menu Protection............................................................................................. 32
Reset ...................................................................................................................... 32
Averaging Level...................................................................................................... 33
Stability Range ....................................................................................................... 33
Auto-Zero ............................................................................................................... 34
Dual Range Function.............................................................................................. 34
Exiting User Menu .................................................................................................. 34
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SETUP MENU ............................................................................................................... 35
Setup Menu Protection........................................................................................... 36
Reset ...................................................................................................................... 36
Type Approved/LFT................................................................................................ 37
Unit Selection ......................................................................................................... 37
Functions................................................................................................................ 38
Statistics ................................................................................................................. 39
Net.......................................................................................................................... 40
Custom Unit or Volume Selection .......................................................................... 40
Good Laboratory Practices..................................................................................... 42
Parts Counting Error............................................................................................... 43
Check Weighing Options........................................................................................ 43
Sample Displays..................................................................................................... 44
Animal Weighing Options ....................................................................................... 46
Fill Option ............................................................................................................... 46
Time ....................................................................................................................... 47
Adjust ..................................................................................................................... 48
Date........................................................................................................................ 49
Lockswitch.............................................................................................................. 50
List.......................................................................................................................... 50
Exit Setup Menu ..................................................................................................... 50
PRINT MENU ................................................................................................................ 51
Print Menu Protection............................................................................................. 51
Reset ...................................................................................................................... 52
Communication ...................................................................................................... 52
Baud Rate........................................................................................................... 53
Data Bits ............................................................................................................. 53
Parity................................................................................................................... 54
Stop Bits ............................................................................................................. 54
Good Laboratory Practices (GLP) .......................................................................... 54
Print Options........................................................................................................... 55
Auto Print Feature .............................................................................................. 55
Initialize............................................................................................................... 56
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Print Stable Data Only ........................................................................................ 57
Print Numeric Data Only ..................................................................................... 57
Time.................................................................................................................... 58
Date .................................................................................................................... 58
Reference ........................................................................................................... 58
Difference ........................................................................................................... 59
List ...................................................................................................................... 59
CARE AND MAINTENANCE......................................................................................... 60
TROUBLESHOOTING .................................................................................................. 60
Error Codes List ..................................................................................................... 61
SERVICE INFORMATION............................................................................................. 63
REPLACEMENT PARTS............................................................................................... 63
ACCESSORIES............................................................................................................. 63
SPECIFICATIONS......................................................................................................... 64
DECLARATION OF CONFORMITY.............................................................................. 65
LIMITED WARRANTY................................................................................................... 69
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1
INTRODUCTION
INTRODUCTION
This manual covers Installation, Operation and Troubleshooting for the Ohaus ANALYTI-
CALPlusSeries ofElectronicbalances,ModelsAP110,AP210,AP310, AP250D,AP110E,
AP210E, AP310E and AP250E. Suffixes after the basic model number are: D = Moveable
FineRangeTMandE=TypeApproved withCEconformanceand bearofficialmarkings(Max,
Min,Class,etc.)onaserialnumberplatelocatedonthesideofthebalance.Toensureproper
operation of the balance, please read this manual completely.
DESCRIPTION
The Ohaus ANALYTICAL Plus Series balances are high precision weighing instruments,
designed to be versatile, accurate, easy to operate and will provide years of service with
virtually no maintenance. The Analytical Plus series is constructed using a die-cast
aluminumbasefinishedwithadurablecorrosionresistantepoxypowderpaint.Theweighing
area is protected from air currents by a draft shield. It contains solid-state precision
electronics PC boards, and a seven and a half, 0.5 inch digit, Vacuum Fluorescent display.
Each balance operates through a series of menus which enhances operation. A built in
lockswitch prevents preset settings from being changed.
FEATURES
AnalyticalPlusbalancescontain fourmaindisplaymenuswhichenableyoutocalibrateand
configure the balance for specific operating requirements. MENU When
ON
TARE
switch is
pressed and released with MENU displayed, allows access to the calibration, user, setup
and print menus.
CALIBRATION Menu- Allows thebalance to becalibrated byusingeither Auto,Useror
Test calibration methods. The test function is used to verify the last calibration.
USER Menu - Allows the balance to be set for environmental conditions. Reset,
averaging level, stability range and auto-zero functions can be set.
SETUP Menu - Allows the balance to be customized for specific weighing functions.
PRINT Menu-Allows the selection of parametersunderwhich the balance willinterface
to a computer or a printer.
Eachofthesemenuscontainselectableparameterswhichcanbeenteredviathefrontpanel
switches. Storing of the parameters is accomplished by selecting at the completion of all
selections in a particular menu. For a detailed description of each feature, refer to the
individual menus in this manual.
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2
INSTALLATION
UNPACKING
Your ANALYTICAL Plus
balance was shipped with the following items:
•Pan assembly (including pan, shield, ring and assembly instructions)
•In-service cover
•AC power cord
•Spare fuse
•Instruction manual
•Warranty card
Remove the contents from the carton and carefully remove all packing material. It is
recommended to save the carton and packing material for storing and/or transporting the
balance. Verify that all of the components have been included and there has been no
damage during shipment.
Pan
Ring
Shield
In-Service Cover
ANALYTICAL
Plus
BALANCE
REAR VIEW
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INSTALLATION
INSTALLATION
Environment
The balance should always be used in an environment which is free from excessive air
currents, corrosives, vibration, and temperature or humidity extremes. These factors will
affect displayed weight readings.
DO NOT install the balance:
•next to open windows or doors causing drafts or rapid temperature changes.
•near air conditioning or heat vents.
•near vibrating, rotating or reciprocating equipment.
•near magnetic fields or devices that may generate magnetic fields (i.e. motors, alterna-
tors, etc.)
•on an unlevel work surface.
Install the balance in the location where it will be used before proceeding.
Weigh Below Hook
Aweighbelowhookisprovidedinsidethe
bottom cover under the protective plate
shown in the illustration.
To access the weigh below hook, care-
fully turn the balance on it's side, loosen
the screw which secures the cover plate,
rotate the plate to clear the hole, then
secure the plate in that position. Return
the balance to an upright position. Mount
the balance on a stable, level elevated
platform and install a hook.
Weigh Below
Hook Cover
Plate
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INSTALLATION
Leveling the Balance
Thebalanceisequippedwithalevelindicatoron
the floor of the weighing chamber and two
adjustable leveling feet at the rear. Adjust the
leveling feet until the bubble appears in the
center circle of the level indicator.
Level
Indicator
Leveling
Feet
Installing the Pan Assembly
1. Place the shield onto the keyed bushing
andpress it downinto place.Thebent tabs
mustbefacingupwardandtheshieldshould
be flat against the chamber floor.
2. Placetheringovertheshield.Theliponthe
bottom of the ring should fit against the
shield to keep it from moving.
3. Insert the pan in the load receiver hole,
matching the key on the pan shaft with the
slot in the hole. Gently press the pan down
into place.
Ring
Pan
Keyed
Bushing
Shield
In-Service Cover
Place the cover snugly over the display unit.
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5
INSTALLATION
PRINT *
TARE *
1 5 V dc (5 mA max.)
2 Data Out (TXD)
3 Data In (RXD)
4* Tare (External signal)
5 Clear To Send (CTS)
6 Data Terminal Ready (DTR)
7 Ground
8 Request To Send (RTS)
9* Print (External signal)
* External PRINT and/or TARE
switches may be installed as
showninthediagram.Momentary
contact switches must be used.
Field: T CR LF
Length: 1 1 1
TARE COMMAND
RS232 INTERFACE
ANALYTICAL
Plusbalances areequipped witha bi-directionalRS232compatibleinterface
for communication with printers and computers. When the balance is connected directly to
a printer, displayed data can be output at any time by simply pressing PRINT, or by using
the Auto Print feature.
Connecting the balance to a computer enables you to operate the balance from the
computer,aswellasreceivedatasuchasdisplayedweight,weighingmode,stabilitystatus,
etc.
The following sections describe the hardware and software provided with the balance.
Hardware
On the rear of the balance, a 9-pin subminia-
ture“D”connectorisprovidedforinterfacingto
otherdevices.Thepinoutandpinconnections
are shown in the adjacent illustration.
Thebalancewillnotoutputanydataunlesspin
5(CTS)isheldinanONstate(+3to+15Vdc).
Interfaces not utilizing the CTS handshake
may tie pin 5 to pin 6 to defeat it.
Output Formats
Data output can be initiated in one of three
ways:1)BypressingPRINT;2)UsingtheAuto
Print feature; 3) Sending a print command
(“P”) from a computer.
The output format is illustrated in the RS232
command table which follows.
RS232 Commands
Allcommunicationisaccomplishedusingstan-
dardASCIIformat.Onlythecharactersshown
inthe followingtableareacknowledgedbythe
balance. Any other commands, control char-
actersorspacesareignored.Commandssent
to the balance must be terminated with a
carriagereturn(CR)orcarriagereturn-lineline
feed (CRLF). For example, a tare command
should appear as shown in the adjacent dia-
gram. Data output by the balance is always
terminated with a carriage return - line feed
(CRLF).
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INSTALLATION
hhmmss TIME Set current time to “hh: mm: ss”, hh is between 0 - 23.
TIME Print current time.
mmddyy DATE Set current date “mmddyy”.
DATE Print current date.
%Print current % ref.
#Print current ref., any function.
AC Abort calibration /Test.
CStart an auto calibration.
EGo to initial state of current function.
FPrint current function.
MSame as mode button.
xD Set 1 second print delay (set x = 0 for OFF, or x = 1 for ON).
ID Print current ID string.
xxxxID Enter ID string (xxxx limit to 8 characters).
RS232 COMMAND TABLE
Field: Mode Stab CR LF
Length: 5 1 1 1
blank if stable
“? ”if unstable
Command
Character Description
? Print current unit.
0 = minimum level
1=
2 = maximum level
xI Set averaging level to “x”, where x = 0, 1, 2
Grams, Dwt, Carat, Oz Av, Oz t, Grain, Tael 1,
Tael 2, Tael 3, Momme, Custom Unit
xM Places balance in mode “x”, where x = 1 to 11
(see table).
If unit is not already enabled,
command will be ignored.
1 = grams
2 = pennyweight
3 = carats
4 = avoidupois ounces
5 = troy ounces
6 = grains
7 = taels
8 = mommes
11 = custom unit
PPrint display data
When “numeric only”displaydata is
selected for output in the RS232 menu,
the Mode field is not output.
Field: Weight Mode Stab CR LF
Length: 10 1 5 1 1 1
Same as ?
command
Displayed weight sent right justified
w/lead zero blanking.
Nine characters include:
decimal point (1)
weight (7 max))
polarity (1): blank if positive
“- ”if negative
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INSTALLATION
Command
Character Description
xS Set stable data only printing (set x = 0 for OFF, or x = 1 for ON.
TSame effect as pressing on tare button.
VPrint EPROM version
x# Set current ref., any function, CW takes two reference separated by a space.
x% Doanloads reference weight “x”for percent mode. “x”must be in grams. Command is
ignored if percent mode is disabled. If percent mode is enabled, balance will automatically
switch to percent mode display.
xF Set current function to “x”. x = 0 to 6. Setup menu must be unlocked.
0 = None
1 = Percent
2 = Parts Counting
3 = Check Weighing
4 = Animal Weighing
5 = Fill Guide
6 = High Point
xZ Set Auto Zero to “x”. x = 0 for OFF, x = 1 for ON
xSL Set stability level. User menu must be unlocked. x = 0 to 3
ZZero request (Gross tare) if Net/Gross enabled.
nnnA Set Auto Print feature to “nnn”(see table).
nnn = 0 Turns feature OFF
nnn = S Output on stability
nnn = C Output is continuous
nnn = 1-256 Sets Auto Print interval
Esc L Prints listing of Setup and Print menu settings.
Esc R Resets Setup and Print menus to factory defaults.
CAUTION: This will reset RS232 configuration.
Esc S Save current settings.
Field: Model # 1 EPROM # CR LF
Length: 6 16 1 1
Balance Model “98101-xx Sr#x.xx”
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INSTALLATION
115V
230V
s R 3.1
c h e c · ·
Connecting Power
1. Before connecting the power cord, check
that the line voltage switch located at the
rear of the balance is set correctly for your
location. If not, use a small screwdriver to
set the switch correctly.
2. Makesurethedoorstotheweighingcham-
ber are closed.
2. Connect the power cord receptacle to the
plug on the rear of the balance.
3. Plug the power cord only into a convenient
grounded AC outlet. The balance signals
one long beep to indicate power has been
applied.
Spare Fuse
A spare fuse is provided in the fuse holder as
shown in the diagram. All models use a
T 160 mA/250 V fuse.
Self Test
When power is applied to the balance, it begins
a self test cycle. During this time, the display
cycles as shown.
NOTE: Sr shown in the display is the software
revision and may be different in your balance.
Aftertheselftestiscompleted,thedisplayturns
off. Allow the balance to stabilize for about 2
hours before using it.
For 100-120 V∼
For 220 240 V∼
Active Fuse
Spare Fuse
Fuse Holder
Line
Voltage
Switch
Power
Connection
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OPERATION
Press and Release:
Turns on the balance if it is off, zeros the balance. In the menu
system, this button is used to accept a choice or enter a submenu.
Press and Release:
Turns the balance off.
Press and Release:
Selects weighing units functions or options. In menus, changes to
next step or value.
Press and Release:
Sends weight data, statistical data, GLP data to computer/printer. In
menus, allows returning to a previous menu step.
Before using the balance, carefully review the Symbols Used for Operation of the Balance
shownon page10, Navigatingthe Menuson page11and OperationalGuide/Index onpage
12.
Please read the entire manual as there are many features which can be enabled. The
balance is shipped from the factory ready to operate with default settings as shown in the
menus.
The balance is a high precision instrument and will give you years of service if kept clean
and handled carefully. If you have any problems operating the instrument or require
additional information, please feel free to contact our Customer Service Department at
(800) 526-0659.
OPERATION
Switch Functions
PRINT
MODE
OFF
ON
TARE
OFF
ON
TARE
MODE
PRINT
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10
OPERATION
Symbols Used for Operation of the Balance
Thisinstructionmanualusescertainsymbolstoexplainvariousoperationalproceduresand
actions that occur. Examples of the symbols used are shown as follows:
Pushbutton Switches:
ON
TARE
= NORMAL PRESS AND RELEASE
ON
TARE
= MULTIPLE PRESS
ON
TARE
= PRESS AND HOLD FOR DESIRED DISPLAY
Display Area:
DISPLAY AREA - AS A RESULT OF USER ACTION
DISPLAY AREA - AUTO CHANGE OCCURS
DISPLAY AREA -SWITCHES BACK AND FORTH
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11
OPERATION
Each menu contains selections (submenus) which can be set for specific operations.
The
MODE
buttonisusedtoadvancethoughthesubmenuselections.The
ON
TARE
buttonenters
or accepts the submenu selection and returns to the beginning of the submenu selection.
The
PRINT
button is used to backup in the submenu if a change is desired.
The following sample illustrates the USER menu and submenu items
Navigating the Menus
There are four menus used in the balance:
CALIBRATION USER SETUP PRINT
Toenterthemenus,the
ON
TARE
buttonispressedandhelduntil MENU isdisplayed. When
released, CAL is displayed which is the Calibration menu.
When in the menus, repeated pressing of
MODE
advances through the
menus. CALIBRATION USER SETUP PRINT END MENU
RULES: Use
MODE
button to advance.
Use
ON
TARE
button to enter or accept submenu.
Use
PRINT
button to backup.
After selections are made, always exit menus through END MENU to
store settings.
NOTE:
Each menu is constructed
in the form of a loop.
Advancing from one
submenu item to the next
by using the
MODE
button
will eventually return to
the beginning of the menu
* Only on AP250D Models.
STABILTY
AL
RESET
USER
END USER
DUAL
AUTO ZERO
ON
OFF
ON
OFF
YES
NO
0
1
2
0
1
2
3
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12
OPERATION
FUNCTION TO OPERATE SETUP
(See pages) (See pages)
1. Turning the Balance ON 13 ----
2. Weighing (grams) 14 ----
3. Taring 14 ----
4. Percent Weighing 15 38
5. Parts Counting 16 38, 43
6. Check weighing 17 38, 43
7. Animal Weighing 18 38, 46
8. Fill Guide 19 38, 46
9. High Point 20 38
10. Printing Data 21 to 26 50, 51, 55 to 59
11. List 22 50, 59
12. Menu Lockout 28 ----
13. Calibration 29 to 31 ----
14. Net/Gross Weighing ---- 40
15. Custom Units ---- 40
16. GLP ---- 42, 54
17. Time ---- 47, 48
18. Date ---- 49
19. Lockswitch ---- 50
20. Legal for Trade ---- 35, 37
21. Changing Units ---- 37
22. Statistics ---- 39
23. Averaging Level ---- 32, 33
24. Stability ---- 32, 33
25. Auto Zero ---- 32, 34
26. Dual Range (AP250D) ---- 32, 34
27. Reset User ---- 32
28. Reset Setup ---- 36
29. Reset Print ---- 52
30. Communications ---- 52 to 54
Operational Guide/Index
The Operational Guide/Index lists the pages for all balance operations and options. After
settings are made, exit menus to save settings.
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OPERATION
Turning the Balance ON
1. After the Self Test in the Installation Section is completed (power applied to the
balance), make sure the pan on the balance is clear, then, close the chamber doors.
2.
ON
TARE
Display Indications
The following table describes each of the display indicators.
DISPLAY INDICATORS
ap25FD
sR3.1
˛
g
s
0.00000
gI
grams check weighing limits
pennyweight custom unit/volume
carats net indicator
ounces parts counting
troy ounces percent weighing
grains stability indicator
taels gross (total) indicator
mommes fill guide
user calibration indicator center of zero
capacity guide
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14
OPERATION
Stabilization
Before initally using the balance, allow time for it to adjust to its new environment. The
balanceonlyrequirestobepluggedintowarmup.Recommendedwarmupperiodistwenty
(20) minutes. The balance is powered whenever it is plugged into a power source.
Auto Range (AP250D and E Only)
ModesAP250DandEofferbothafinerange(0.01mgreadabilityfrom0to52g)andacoarse
range (0.1 mg over 52 g). When first turned on, the balance is in the fine range. It remains
in this range until the weight on the pan exceeds 52 g. When weight on the pan is greater
than 52 g, the balance switches to the coarse range.
If weight on the pan falls below 52 g, it automatically switches back to the fine range.
Weighing
1.
ON
TARE
to rezero the display.
2. Place the object(s) or material to be weighed on the pan.
3. Wait for the stability indicator to appear before reading the weight.
STABILITY INDICATOR CAPACITY GUIDE
NOTE: The capacity guide (bars) indicates the percentage of the current weight to the
balance capacity. The example above illustrates a 200 gram weight, (balance full capacity
210 grams).
Taring
When weighing material or objects that must be held in a container, taring stores the
container weight in the balance’s memory, separate from the weight of the material in the
container.
1. Place an empty container on the pan. Its weight is displayed.
2.
ON
TARE
,the displayblanksuntilstableweight readingsare received,thenindicates
zero. The container’s weight is stored in memory.
3. Add material to the container. As material is added, its net weight is displayed.
4. Removingthecontainerandmaterialfromthepanwillcausethebalancetodisplaythe
container’s weight as a negative number.
5.
ON
TARE
resets the balance to zero.
IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I
s
200.0000
g
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This manual suits for next models
8
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