KERN & Sohn GmbH
Ziegelei 1
D-72336 Balingen
E-Mail: info@kern-sohn.com
Tel: +49-[0]7433- 9933-0
Fax: +49-[0]7433-9933-149
Internet: www.kern-sohn.com
Operating instructions
Counting balance/counting system
KERN CFS/CCS
Version 2.0
08/2012
GB
CFS/CCS-BA-e-1220
GB
KERN CFS/CCS
Version 2.0 08/2012
Operating instructions Counting
balance/counting system
Contents
1 Technical data .......................................................................................... 4
1.1 KERN CFS .......................................................................................................................... 4
1.2 KERN CCS .......................................................................................................................... 7
2 Declaration of conformity ........................................................................ 8
3 Basic Information (General) .................................................................... 9
3.1 Proper use .......................................................................................................................... 9
3.2 Improper Use ...................................................................................................................... 9
3.3 Warranty ............................................................................................................................. 9
3.4 Monitoring of Test Resources ........................................................................................ 10
4 Basic Safety Precautions ...................................................................... 10
4.1 Pay attention to the instructions in the Operation Manual ......................................... 10
4.2 Personnel training ........................................................................................................... 10
5 Transport and storage ........................................................................... 10
5.1 Testing upon acceptance ............................................................................................... 10
5.2 Packaging / return transport........................................................................................... 10
6 Unpacking, Setup and Commissioning ................................................ 11
6.1 Installation Site, Location of Use ................................................................................... 11
6.2 Unpacking/installation .................................................................................................... 11
6.3 Transport Securing.......................................................................................................... 12
6.3.1 Counting balance ............................................................................................................... 13
6.3.2 Counting system ................................................................................................................ 15
6.3.3 Scope of delivery / serial accessories ................................................................................ 16
6.4 Overview of display ......................................................................................................... 17
6.4.1 Display weight .................................................................................................................... 18
6.4.2 Display average piece weight ............................................................................................ 18
6.4.3 Display quantity .................................................................................................................. 19
6.5 Keyboard overview .......................................................................................................... 20
6.6 Mains connection ............................................................................................................ 24
6.7 Rechargeable battery operation (optional) ................................................................... 24
6.8 Connection of peripheral devices .................................................................................. 24
6.9 Initial Commissioning ..................................................................................................... 24
7 Adjustment.............................................................................................. 25
7.1 Adjustment reference balance CFS 3K-5, CFS 6K0.1, CFS 15K0.2, CFS 30K0.5 ....... 25
7.2 Adjustment reference balance CFS 50K-3 models ....................................................... 27
7.3 Adjustment bulk material scales CFS 3K-5, CFS 6K0.1, CFS 15K0.2, CFS 30K0.5 ... 28
7.4 Adjustment bulk material scales CFS 50K-3 models ................................................... 29
8 Linearisation ........................................................................................... 30
8.1 Linearisation CFS 3K-5, CFS 6K0.1, CFS 15K0.2, CFS 30K0.5 models: .................... 30
8.1.1 Table Linearization points .................................................................................................. 31
8.2 Linearisation CFS 50K-3 models .................................................................................... 32
8.2.1 Table linearisation points CFS 50K-3 models.................................................................... 33
2 CFS/CCS-BA-e-1220
9 Basic Operation ...................................................................................... 34
9.1 Switching on/off ............................................................................................................... 34
9.2 Zeroing .............................................................................................................................. 34
9.3 Switch over balance/weighing bridge ............................................................................ 34
9.4 Weighing with tare ........................................................................................................... 36
9.4.1 Taring ................................................................................................................................. 36
9.4.2 Numeric entering of tare weight ......................................................................................... 36
10 Totalization ............................................................................................. 37
10.1 Manual totalizing .............................................................................................................. 37
10.1.1 Manual totalizing CFS 3K-5, CFS 6K0.1, CFS 15K0.2, CFS 30K0.5 models .................... 37
10.1.2 Manual Adding CFS 50K-3 models .................................................................................... 39
10.2 Automatic adding-up ....................................................................................................... 42
11 Counting ................................................................................................. 43
11.1 Determination of the average piece weight by weighing ............................................. 44
11.1.1 CFS 3K-5, CFS 6K0.1, CFS 15K0.2, CFS 30K0.5 models: ............................................... 44
11.1.2 CFS 50K-3 models: ............................................................................................................ 45
11.2 Numeric input of the average piece weight ................................................................... 46
11.3 Automatic reference optimization .................................................................................. 46
11.4 Counting with counting system...................................................................................... 47
12 Weighing to a certain target weight /target quantity and tolerance
control 48
12.1 Tolerance control in weighing mode ............................................................................. 48
12.2 Tolerance control in counting mode .............................................................................. 51
12.2.1 Delete limit values: ............................................................................................................. 54
12.3 Store data .......................................................................................................................... 54
12.3.1 Store in indirect memories ................................................................................................. 54
12.3.2 Call up stored values .......................................................................................................... 59
12.3.3 Printing ............................................................................................................................... 61
12.4 Storing into indirect memory locations (only CFS 50K-3 models) .............................. 62
12.4.1 Save ................................................................................................................................... 62
12.4.2 Calling up ........................................................................................................................... 63
13 Menu ........................................................................................................ 64
13.1 Navigation in the menu .................................................................................................... 64
13.2 Menu overview ................................................................................................................. 65
14 Configuration bulk material balance / technical parameters ............. 68
15 Second balance interface ...................................................................... 76
16 RS 232C interface ................................................................................... 76
16.1 Pin allocation of balance output bushing: .................................................................... 76
16.2 Technical data .................................................................................................................. 77
16.3 Remote control instructions ........................................................................................... 78
16.3.1 Control commands ............................................................................................................. 78
16.3.2 Printing commands ............................................................................................................ 78
17 Service, maintenance, disposal ............................................................ 79
17.1 Clean .................................................................................................................................. 79
17.2 Service, maintenance....................................................................................................... 79
17.3 Disposal ............................................................................................................................ 79
18 Instant help ............................................................................................. 80
18.1 Error messages ................................................................................................................ 81
CFS/CCS-BA-e-1220 3
KERN
CFS 3K-5
CFS 6K0.1
Readability (d)
0.01 g
0.1 g
Weighing range (max)
3 kg
6 kg
Reproducibility
0.02 g
0.1 g
Linearity
± 0.04 g
± 0.2 g
Stabilization time
2 s
Weighing Units
kg, lb
Recommended adjusting
weight (not supplied)
2 kg (F1) + 1 kg (F1)
6 kg (F2)
Warm-up time
2 h
Minimum unit weight at
piece count
10 mg
100 mg
Reference unit weights at
piece counting
freely selectable
Net weight (kg)
3.8 kg
Permissible ambient
condition
0° C to 40° C
Humidity of air
max. 80 % relative (not condensing)
Weighing plate, stainless
steel
300 x 225 mm
294 x 225 mm
Dimensions of the housing
(B x D x H)
320 x 350 x 125 mm
Mains connection
Mains adapter 230 V AC, 50 Hz; 12 V DC balance, 500
mA
Rechargeable battery
(optional)
Operating duration approx. 70 h / loading time approx.
12 hours
1 Technical data
1.1 KERN CFS
4 CFS/CCS-BA-e-1220
KERN
CFS 15K0.2
CFS 30K0.5
Readability (d)
0.2 g
0.5 g
Weighing range (max)
15 kg
30 kg
Reproducibility
0.2 g
0.5 g
Linearity
± 0.4 g
± 1 g
Stabilization time
2 s
Weighing Units
kg, lb
Recommended adjusting
weight (not supplied)
15 kg (F2)
30 kg (F2)
Warm-up time
2 h
Minimum unit weight at
piece count
200 mg
500 mg
Reference unit weights at
piece counting
freely selectable
Net weight (kg)
3.8 kg
Permissible ambient
condition
0° C to 40° C
Humidity of air
max. 80 % relative (not condensing)
Weighing plate, stainless
steel
294 x 225 mm
Dimensions of the housing
(B x D x H)
320 x 350 x 125 mm
Mains connection
Mains adapter 230 V AC, 50 Hz; 12 V DC balance, 500 mA
Rechargeable battery
(optional)
Operating duration approx. 70 h / loading time approx.
12 hours
CFS/CCS-BA-e-1220 5
KERN
CFS 50K-3
Readability (d)
1 g
Weighing range (max)
50 kg
Reproducibility
1 g
Linearity
± 2 g
Stabilization time
2 s
Weighing Units
kg, lb
Recommended adjusting
weight (not supplied)
50 kg (F2)
Warm-up time
2 h
Minimum unit weight at
piece count
1 g
Reference unit weights at
piece counting
freely selectable
Net weight (kg)
3.8 kg
Permissible ambient
condition
0° C to 40° C
Humidity of air
max. 80 % relative (not condensing)
Weighing plate, stainless
steel
(B x D x H)
370 x 240 x 20 mm
Dimensions of the housing
(B x D x H)
370 x 360 x 125 mm
Mains connection
Mains adapter 230 V AC, 50 Hz; 12 V DC balance, 500
mA
Rechargeable battery
(optional)
Operating duration approx. 70 h / loading time approx.
14 hours
6 CFS/CCS-BA-e-1220
Dimensions of models
CFS 3K-5
CFS 6K0.1
CFS 15K0.2
CFS 30K0.5
Dimensions of models
CFS 50K-3
Counting
system
KERN
Bulk material
balance
KERN
Weighing
range
(Max)
kg
Readabili
ty (d)
g
Weighing
plate
stainless
steel
mm
Recommended
adjustment
weight, not
added, kg (class)
CCS 30K0.1
KFP 30V20M
30
10
400x300x78
30 (M2)
CCS 60K0.1
KFP 60V20M
60
20
400x300x78
50 (M2)
CCS 60K0.1L
KFP 60V20LM
60
20
500x400x79
50 (M2)
CCS 150K0.1
KFP150V20M
150
50
500x400x79
150 (M3)
CCS 150K0.1L
KFP 150V20LM
150
50
650x500x115
150 (M3)
CCS 300K0.1
KFP300V20M
300
100
650x500x115
300 (M3)
1.2 KERN CCS
CFS/CCS-BA-e-1220 7
KERN & Sohn GmbH
D-72322 Balingen-Frommern
Postbox 4052
E-Mail: info@kern-sohn.de
Tel: 0049-[0]7433- 9933-0
Fax: 0049-[0]7433-9933-149
Internet: www.kern-sohn.de
D
Konformitätserklärung
Wir erklären hiermit, dass das Produkt, auf das sich diese Erklärung bezieht,
mit den nachstehenden Normen übereinstimmt.
GB
Declaration of
conformity
We hereby declare that the product to which this declaration refers conforms
with the following standards.
CZ
Prohlášení o
shode
Tímto prohlašujeme, že výrobek, kterého se toto prohlášení týká, je v souladu
s níže uvedenými normami.
E
Declaración de
conformidad
Manifestamos en la presente que el producto al que se refiere esta
declaración está de acuerdo con las normas siguientes
F
Déclaration de
conformité
Nous déclarons avec cela responsabilité que le produit, auquel se rapporte la
présente déclaration, est conforme aux normes citées ci-après.
I
Dichiarazione di
conformitá
Dichiariamo con ciò che il prodotto al quale la presente dichiarazione si
riferisce è conforme alle norme di seguito citate.
NL
Conformiteitverklaring
Wij verklaren hiermede dat het product, waarop deze verklaring betrekking
heeft, met de hierna vermelde normen overeenstemt.
P
Declaração de
conformidade
Declaramos por meio da presente que o produto no qual se refere esta
declaração, corresponde às normas seguintes.
PL
Deklaracja
zgodności
Niniejszym oświadczamy, że produkt, którego niniejsze oświadczenie dotyczy,
jest zgodny z poniższymi normami.
RUS
Заявление о
соответствии
Мы заявляем, что продукт, к которому относится данная декларация,
соответствует перечисленным ниже нормам.
Mark applied
EU Directive
Standards
2004/108/EC
EMC
EN 61000-6-1 :2007
EN 61000-6-3 :2007
EN 61000-3-3 : 1995+A1 :2001+A2 :2005
EN 61000-3-2 :2006
Date: 14.07.2010
Signature:
KERN & Sohn GmbH
Management
KERN & Sohn GmbH, Ziegelei 1, D-72336 Balingen, Tel. +49-[0]7433/9933-0,Fax +49-[0]7433/9933-149
2 Declaration of conformity
Declaration of conformity
EC-Konformitätserklärung EC-Declaration of -Conformity
EC- Déclaration de conformité EC-Declaración de Conformidad
EC-Dichiarazione di conformità EC-Conformiteitverklaring
EC- Declaração de conformidade EC- Prohlášení o shode
EC-Deklaracja zgodności EC-Заявление о соответствии
Electronic Scale: KERN CFS
8 CFS/CCS-BA-e-1220
3 Basic Information (General)
3.1 Proper use
The balance you purchased is intended to determine the weighing value of material
to be weighed. It is intended to be used as a “non-automatic balcance”, i.e. the
material to be weighed is manually and carefully placed in the centre of the
weighing pan.. As soon as a stable weighing value is reached the weighing value
can be read.
3.2 Improper Use
Do not use balance for dynamic weighings. In the event that small quantities are
removed or added to the material to be weighed, incorrect weighing results can be
displayed due to the “stability compensation“. (Example: Slowly draining fluids from
a container on the balance.)
Do not leave permanent load on the weighing pan. This may damage the
measuring system.
Impacts and overloading exceeding the stated maximum load (max) of the balance,
minus a possibly existing tare load, must be strictly avoided. Balance may be
damage by this.
Never operate balance in explosive environment. The serial version is not explosion
protected.
The structure of the balance may not be modified. This may lead to incorrect
weighing results, safety-related faults and destruction of the balance.
The balance may only be used according to the described conditions. Other areas
of use must be released by KERN in writing.
3.3 Warranty
Warranty claims shall be voided in case
Our conditions in the operation manual are ignored
The appliance is used outside the described uses
The appliance is modified or opened
Mechanical damage or damage by media, liquids, natural wear and tear
The appliance is improperly set up or incorrectly electrically connected
The measuring system is overloaded
CFS/CCS-BA-e-1220 9
Carefully read this operation manual before setup and
commissioning, even if you are already familiar with KERN balances.
All language versions contain a non-binding translation.
The original German is binding.
Keep all parts of the original packaging for a possibly required
return.
Only use original packaging for returning.
Prior to dispatch disconnect all cables and remove loose/mobile
parts.
Reattach possibly supplied transport securing devices.
Secure all parts such as the glass wind screen, the weighing
platform, power unit etc. against shifting and damage.
3.4 Monitoring of Test Resources
In the framework of quality assurance the measuring-related properties of the
balance and, if applicable, the testing weight, must be checked regularly. The
responsible user must define a suitable interval as well as type and scope of this
test. Information is available on KERN’s home page (www.kern-sohn.com with
regard to the monitoring of balance test substances and the test weights required
for this. In KERN's accredited DKD calibration laboratory test weights and balances
may be calibrated (return to the national standard) fast and at moderate cost.
4 Basic Safety Precautions
4.1 Pay attention to the instructions in the Operation Manual
4.2 Personnel training
The appliance may only be operated and maintained by trained personnel.
5 Transport and storage
5.1 Testing upon acceptance
When receiving the appliance, please check packaging immediately, and the
appliance itself when unpacking for possible visible damage.
5.2 Packaging / return transport
10 CFS/CCS-BA-e-1220
6 Unpacking, Setup and Commissioning
6.1 Installation Site, Location of Use
The balances are designed in a way that reliable weighing results are achieved in
common conditions of use.
You will work accurately and fast, if you select the right location for your balance.
Therefore, observe the following for the installation site:
Place the balance on a firm, level surface;
Avoid extreme heat as well as temperature fluctuation caused by installing
next to a radiator or in the direct sunlight;
Protect the balance against direct draughts due to open windows and doors;
Avoid jarring during weighing;
Protect the balance against high humidity, vapours and dust;
Do not expose the device to extreme dampness for longer periods of time.
Non-permitted condensation (condensation of air humidity on the appliance)
may occur if a cold appliance is taken to a considerably warmer
environment. In this case, acclimatize the disconnected appliance for ca. 2
hours at room temperature.
Avoid static charge of goods to be weighed or weighing container.
Major display deviations (incorrect weighing results) may be experienced should
electromagnetic fields (e.g. due to mobile phones or radio equipment), static
electricity accumulations or instable power supply occur. Change location or
remove source of interference.
6.2 Unpacking/installation
Carefully remove the balance from the packaging, remove plastic cover and setup
balance at the intended workstation.
Level balance with foot screws until the air bubble of the water balance is in the
prescribed circle.
When using as counting system balance and weighing bridge must be levelled.
CFS/CCS-BA-e-1220 11
Ensure that transport guard has been removed
(only existing in 6 kg models)
1
6.3 Transport Securing
To loosen the transport guard screw out transport screw [1] anticlockwise.
For transportation carefully screw-in transport screw clockwise till to the stopper
and then fix it using locknut.
12 CFS/CCS-BA-e-1220
6.3.1 Counting balance
(CFS 3K-5, CFS 6K0.1, CFS 15K0.2, CFS 30K0.5 models)
KERN CFS
1. Weighing plate / rechargeable battery compartment (under
weighing plate)
2. Bubble level
3. RS 232 interface
4. Second balance interface
5. Footscrews
6. ON/OFF switch
7. Mains adapter connection
CFS/CCS-BA-e-1220 13
KERN CFS
(CFS 50K-3 models)
1. Weighing plate
2. Bubble level
3. RS 232 interface
4. Second balance interface
5. Footscrews
6. Mains adapter connection
7. ON/OFF switch
14 CFS/CCS-BA-e-1220
Bulk material balance KERN KFP
Reference balance KERN CFS
Reference scales Models CFS 50K-3
Bulk material balance KERN KFP
Reference balance KERN CFS
In factory the counting system KERN CCS is preconfigured in a way that no
more changes will be necessary.
When connecting a weighing bridge (not preconfigured by KERN) the
following must be observed:
Connect weighing bridge with a suitable cable via the second-balance
interface.
Allocation of the interface connection see chapter 16.
Configure weighing bridge, see chapter 14
Adjust balance / weighing bridge, see chapter 7
6.3.2 Counting system
KERN CCS
Reference balance CFS 3K-5, CFS 6K0.1, CFS 15K0.2, CFS 30K0.5 models:
CFS/CCS-BA-e-1220 15
KERN CFS
KERN CCS
Scales (s. Chap. 6.3.1)
Reference balance KERN CFS, see chap.
6.3.1
Power cable
Bulk material balance KERN KFP, see chap.
6.3.2
Protective cover
Operating instructions KERN CFS/CCS
Operating instructions
Operating instructions KERN KFP
6.3.3 Scope of delivery / serial accessories
16 CFS/CCS-BA-e-1220
Weight
Average piece weight
Quantity
Weight
Average piece weight
Quantity
6.4 Overview of display
CFS 3K-5, CFS 6K0.1, CFS 15K0.2, CFS 30K0.5 models:
CFS 50K-3 models:
CFS/CCS-BA-e-1220 17
The arrows [] above the symbols show:
Storage battery status display
NET
Net weight
Stability display
Zeroing display
lb/kg
Current weighing unit
The arrows [] above the symbols show:
Number of parts placed on balance
too small
Piece below minimum weight of piece
M+
Data in summation memory
1 2
Active balance:
1. Reference balance KERN CFS
2. Bulk material balance KERN KFP
6.4.1 Display weight
Here the weight of your goods is displayed in [kg].
6.4.2 Display average piece weight
Here the average reference weight of a sample is displayed in [g]. This value is
either numerically entered by user or calculated by weighing on balance.
18 CFS/CCS-BA-e-1220
The arrows [] above the symbols show:
Tolerance control in counting mode
Tolerance control in weighing mode
+
Goods to be weighed above tolerance limit
TOL
Goods to be weighed within tolerance range
-
Goods to be weighed below tolerance limit
6.4.3 Display quantity
Here the current piece quantity (PCS = pieces) or in totalizing mode the sum
Sum of the placed parts is displayed, see chapter 10
CFS/CCS-BA-e-1220 19
Selection
Function in Weighing mode
Function in Menu
…..
Numeric keys
Decimal point
At numeric input digit
selection to the left
Delete key
Addition in summation
memory
Display total weight
/number of weighings / total
quantity
At numeric input digit
selection to the right
Data output
(menu setting
see chapter 13.2)
Set or call-up PLU,
see chap. 12.3
Tolerance control,
see chap. 11
Call up menu
Switch-over balance,
see chap. 9.3
Input of the average piece
weight by weighing, see
chap. 11.1
6.5 Keyboard overview
CFS 3K-5, CFS 6K0.1, CFS 15K0.2, CFS 30K0.5 models:
20 CFS/CCS-BA-e-1220
Numeric input of the
average piece weight see
chapter 11.2
Function /parameter
selection
Switch-over weighing unit
Taring key
Confirm
Zeroing key
Back to menu/weighing
mode
CFS/CCS-BA-e-1220 21
Selection
Function in Weighing mode
Function in Menu
…..
Numeric keys
Indirect memories
(s. chap. 12.3.1)
Decimal point
Delete key
Addition in summation
memory
Printout
Display total weight
/number of weighings / total
quantity
Call up delete memory
Data output
(menu setting see
chapter 13.2)
…..
Direct memory locations
(s. chap. 12.4)
Modelle CFS 50K-3
22 CFS/CCS-BA-e-1220
Tolerance control,
see chap. 12
Call up menu
Select memory locations
Switch-over balance,
see chap. 9.3
At numeric input digit
selection to the left
Input of the average piece
weight by weighing, see
chap. 11.1
Function /parameter
selection
Numeric input of the
average piece weight see
chapter 11.2
Switch-over weighing unit
Taring key
Confirm
Zeroing key
At numeric input digit
selection to the right
Back to menu
or in weighting mode
CFS/CCS-BA-e-1220 23
red:
Voltage has dropped below prescribed minimum. Connect mains
adapter to load the rechargeable battery.
green:
Battery is completely discharged
yellow:
Battery very low. Connect mains adapter as soon as possible to load the
rechargeable battery.
6.6 Mains connection
Power is supplied via the external mains adapter. The stated voltage value must be
the same as the local voltage.
Only use original KERN mains adapters. Using other makes requires consent by
KERN.
6.7 Rechargeable battery operation (optional)
The rechargeable battery is charged via the delivered power cable.
Before the first use, the rechargeable battery should be charged by connecting it to
the mains power cable for at least 15 hours. The operation time of the rechargeable
battery is approx. 70 hours. When connecting a second balance, the operation time
will be reduced. The charging period for total charge is c. 12 hours
To save the rechargeable battery, in the menu (see chap.12.2) the automatic
switch-off function [„ “ „ „] can be activated, switch-off time selectable
after 0, 3, 5, 15, 30 minutes.
If an arrow appears on the weight display above the battery symbol or
"bat lo" when turning on the balance, this is an indication that the capacity of the
rechargeable battery will soon be exhausted. The balance will be ready to operate
for about another 10 hrs., then it will switch off automatically. Connect the power
cable as soon as possible to load the rechargeable battery.
The LED display informs you during loading about the loading status of the
rechargeable battery.
6.8 Connection of peripheral devices
Before connecting or disconnecting of additional devices (printer, PC) to the data
interface, always disconnect the balance from the power supply.
With your balance, only use accessories and peripheral devices by KERN, as they
are ideally tuned to your balance.
6.9 Initial Commissioning
In order to obtain exact results with the electronic balances, your balance must
have reached the operating temperature (see warming up time chap. 1).
During this warming up time the balance must be connected to the power supply
(mains, accumulator or battery).
The accuracy of the balance depends on the local acceleration of gravity.
Strictly observe hints in chapter Adjustment.
24 CFS/CCS-BA-e-1220
Information about test weights you will find in the internet under
http://www.kern-sohn.com
In order to avoid errors at the piece quantity determination, both balances
must be adjusted with the same acceleration due to gravity.
In case of non-compliance counting errors will result!
Operation
Display
Switch-on balance and during the selftest press
.
Use the numeric keys to enter password:
Input the standard password „0000“
Confirm input by .
When using as counting system, the bulk material
balance as well as the reference balance must be
adjusted. The adjustment process must be carried
out on both balances.
Select bulk material or reference balance via .
The appeared [] displays the current balance.
Acknowledge with .
7 Adjustment
As the acceleration value due to gravity is not the same at every location on earth,
each balance must be coordinated - in compliance with the underlying physical
weighing principle - to the existing acceleration due to gravity at its place of location
(only if the balance has not already been adjusted to the location in the factory).
This adjustment process must be carried out for the first commissioning, after each
change of location as well as in case of fluctuating environment temperature. To
receive accurate measuring values it is also recommended to adjust the balance
periodically in weighing operation.
Procedure when adjusting:
Observe stable environmental conditions. A warming up time (see chapter 1) is
required for stabilization. Ensure that there are no objects on the weighing pan.
7.1 Adjustment reference balance CFS 3K-5, CFS 6K0.1, CFS 15K0.2, CFS
30K0.5
CFS/CCS-BA-e-1220 25
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