GB
KERN PCB
Version 1.0 12/2006
Operating Manual
Precision balance
Table of Contents
1 Technical data_________________________________________________ 36
2 Declaration of conformity _______________________________________ 40
3 Basic Information (General) ______________________________________ 41
3.1 Proper use ________________________________________________ 41
3.2 Improper Use ______________________________________________ 41
3.3 Warranty__________________________________________________ 41
3.4 Monitoring of Test Resources ________________________________ 42
4 Basic Safety Precautions________________________________________ 42
4.1 Pay attention to the instructions in the Operation Manual _________ 42
4.2 Personnel training__________________________________________ 42
5 Transport and storage __________________________________________ 42
5.1 Testing upon acceptance ____________________________________ 42
5.2 Packaging_________________________________________________ 42
6 Unpacking, Setup and Commissioning ____________________________ 43
6.1 Installation Site, Location of Use______________________________ 43
6.2 Unpacking ________________________________________________ 43
6.2.1 Setup ___________________________________________________ 43
6.2.2 Scope of delivery __________________________________________ 44
6.3 Mains connection __________________________________________ 44
6.4 Operation using a (rechargeable) battery (optional) ______________ 44
6.5 Connection of peripheral devices _____________________________ 45
6.6 Initial Commissioning _______________________________________ 45
6.7 Adjustment________________________________________________ 45
6.8 Adjustment________________________________________________ 45
6.9 Underfloor weighing ________________________________________ 46
7 Operation_____________________________________________________ 47
7.1 Overview of display_________________________________________ 47
7.2 Weighing__________________________________________________ 47
7.3 Taring ____________________________________________________ 48
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PCB-BA-defsi-0610
7.4 PRE-Tare function __________________________________________ 48
7.5 Plus/minus weighings_______________________________________ 48
7.6 Parts counting _____________________________________________ 49
7.7 Net-total weighings _________________________________________ 50
7.8 Percent weighings__________________________________________ 50
7.9 Weighing units (Unit)________________________________________ 51
7.10 Display background illumination______________________________ 53
7.11 Animal weighing function____________________________________ 54
8 Settings ______________________________________________________ 55
8.1 Call-up menu structure ______________________________________ 55
8.2 Leave menu structure _______________________________________ 56
8.3 Dosing and Zero-tracking____________________________________ 56
8.4 Selection of the adjustment weight ____________________________ 57
8.5 Interface RS232C___________________________________________ 58
8.5.1 Data transfer mode ________________________________________ 58
8.5.2 Baud rate ________________________________________________ 58
8.6 Selection printed edition_____________________________________ 59
8.7 Reset to factory setting______________________________________ 60
9 Data output RS 232 C ___________________________________________ 61
9.1 Technical data _____________________________________________ 61
9.2 Pin allocation of the balance output socket (front view)___________ 61
9.3 Explanation of the data transfer _______________________________ 61
9.3.1 Pr PC ___________________________________________________ 61
9.3.2 AU Pr___________________________________________________ 61
9.3.3 AU PC__________________________________________________ 62
9.3.4 rE Cr ___________________________________________________ 62
9.4 Output on bar code printer___________________________________ 63
10 Service, maintenance, disposal_________________________________ 64
10.1 Cleaning __________________________________________________ 64
10.2 Service, maintenance _______________________________________ 64
10.3 Disposal __________________________________________________ 64
11 Instant help _________________________________________________ 65
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1 Technical data
KERN PCB 40-3 PCB 60-3 PCB 100-3 PCB 200-2
Readability (d) 0.001 g 0.001 g 0.001 g 0.01 g
Weighing range (max) 40 g 60 g 100 g 200 g
Taring range (subtractive) 40 g 60 g 100 g 200 g
Reproducibility 0.001 g 0.001 g 0.001 g 0.01 g
Linearity ± 0.003 g ± 0.003 g ± 0.003 g ± 0.02 g
Minimum unit weight at
piece counting
Warm-up time 2 hours 2 hours 2 hours 30 minutes
Reference quantities at
piece counting
Weighing Units
Recommended adjustment
weight, not added (class)
Stabilization time (typical) 3 sec.
Operating temperature + 5° C .... + 35° C
Humidity of air max. 80 % (not condensing)
Housing (B x D x H) mm 163 x 245 x 79
0.002 g 0.002 g 0.002 g 0.02 g
5, 10, 25, 50
Details „Weighing units“ chapter 7.9
40g (F1) 50g (F2) 100 g (F1) 200 g (M1)
Weighing plate mm Ø 81 Ø 81 Ø 81 Ø 105
Weight kg (net) 1.3 1.3 1.3 1.3
Underfloor weighing Standard
Flush-mounted hook -
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PCB-BA-defsi-0610
KERN PCB 400-1 PCB 400-2 PCB 600-2 PCB 800-2
Readability (d) 0.1 g 0.01 g 0.01 g 0.01 g
Weighing range (max) 400 g 400 g 600 g 800 g
Taring range (subtractive) 400 g 400 g 600 g 800 g
Reproducibility 0.1 g 0.01 g 0.01 g 0.01 g
Linearity ± 0.2 g ± 0.03 g ± 0.03 g ± 0.03 g
Minimum unit weight at
piece counting
Warm-up time 10 minutes 2 hours 2 hours 2 hours
Reference quantities at
piece counting
Weighing Units
Recommended adjustment
weight, not added (class)
Stabilization time (typical) 3 sec.
Operating temperature + 5° C .... + 35° C
Humidity of air max. 80 % (not condensing)
Housing (B x D x H) mm 163 x 245 x 79
0.2 g 0.02 g 0.02 g 0.02 g
5, 10, 25, 50
Details „Weighing units“ chapter 7.9
400g (M2) 400g (F2) 500 g (F2) 700 g (F1)
Weighing plate mm 130 x 130 Ø 105 Ø 105 Ø 105
Weight kg (net) 1.3 1.3 1.3 1.3
Underfloor weighing Standard
Flush-mounted hook -
PCB-BA-defsi-0610
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KERN PCB 1000-1 PCB 1000-2 PCB 2000-1 PCB 4000-0
Readability (d) 0.1 g 0.01 g 0.1 g 1 g
Weighing range (max) 1,000 g 1,000 g 2,000 g 4,000 g
Taring range (subtractive) 1,000 g 1,000 g 2,000 g 4,000 g
Reproducibility 0.1 g 0.01 g 0.1 g 1 g
Linearity ± 0.2 g ± 0.03 g ± 0.2 g ± 2.0 g
Minimum unit weight at
piece counting
Warm-up time 30 minutes 2 hours 30 minutes 10 minutes
Reference quantities at
piece counting
Weighing Units
Recommended adjustment
weight, not added (class)
Stabilization time (typical) 3 sec.
Operating temperature + 5° C .... + 35° C
Humidity of air max. 80 % (not condensing)
Housing (B x D x H) mm 163 x 245 x 79
0.2 g 0.02 g 0.2 g 2.0 g
5, 10, 25, 50
Details „Weighing units“ chapter 7.9
1,000g
(M1)
1,000g (F1)
2,000 g
(M1)
4,000 g (M2)
Weighing plate mm 130 x 130 Ø 105 130 x 130 150 x 170
Weight kg (net) 1.3 1.3 1.3 1.3
Underfloor weighing Standard
Flush-mounted hook -
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PCB-BA-defsi-0610
KERN PCB 4000-1 PCB 6000-0 PCB 6000-1 PCB 8000-1
Readability (d) 0.1 g 1 g 0.1 g 0.1 g
Weighing range (max) 4,000 g 6,000 g 6,000 g 8,000 g
Taring range (subtractive) 4,000 g 6,000 g 6,000 g 8,000 g
Reproducibility 0.1 g 1 g 0.1 g 0.1 g
Linearity ± 0.3 g ± 2 g ± 0.3 g ± 0.3 g
Minimum unit weight at piece
count
Warm-up time 2 hours 2 hours 2 hours 2 hours
Reference unit weights at piece
count
Weighing Units
Recommended adjustment
weight, not added (class)
Stabilization time (typical) 3 sec.
Operating temperature + 5° C .... + 35° C
Humidity of air max. 80 % (not condensing)
Housing (B x D x H) mm 163 x 245 x 79
0.2g 2 g 0.2 g 0.2 g
5, 10, 25, 50
Details „Weighing units“ chapter 7.9
4,000 g
(F2)
5,000 g (M2) 5,000 g (F2) 7,000 g (F1)
Weighing plate mm 150 x 170 150 x 170 150 x 170 150 x 170
Weight kg (net) 1.3 1.3 1.3 1.3
Underfloor weighing Standard
Flush-mounted hook -
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2 Declaration of conformity
KERN & Sohn GmbH
D-72322 Balingen-Frommern
Postbox 4052
email: info@kern-sohn.de
Phone: 0049-[0]7433- 9933-0
Fax: 0049-[0]7433-9933-149
Internet: www.kern-sohn.de
Declaration of conformity
Declaration of conformity for apparatus with CE mark
Konformitätserklärung für Geräte mit CE-Zeichen
Déclaration de conformité pour appareils portant la marque CE
Declaración de conformidad para aparatos con marca CE
Dichiarazione di conformità per apparecchi contrassegnati con la marcatura CE
English
Deutsch
Français
Español
Italiano
We hereby declare that the product to which this declaration refers conforms to the
following standards.
Wir erklären hiermit, dass das Produkt, auf das sich diese Erklärung bezieht, mit den
nachstehenden Normen übereinstimmt.
Nous déclarons avec cela responsabilité que le produit, auquel se rapporte la présente
déclaration, est conforme aux normes citées ci-après.
Manifestamos en la presente que el producto al que se refiere esta declaración está de
acuerdo con las normas siguientes
Dichiariamo con ciò che il prodotto al quale la presente dichiarazione si riferisce è
conforme alle norme di seguito citate.
Electronic Balance: KERN PCB
Mark applied EU Directive Standards
89/336EEC EMC EN 55022 : 1998+A1 : 2000
Date: 15.12.2006 Signature:
Gottl. KERN & Sohn GmbH, Ziegelei 1, D-72336 Balingen, Tel. +49-[0]7433/9933-0,Fax +49-[0]7433/9933-149
EN 61000-3-2 : 2000
EN 61000-3-3 : 1995+A1 : 2001
EN 55024 : 1998+A1 : 2001
Gottl. KERN & Sohn GmbH
Management
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PCB-BA-defsi-0610
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“ balance, i.e. the
material to be weighed is manually and carefully placed in the centre of the weighing
plate. 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“ in the balance. (Example: Slowly
draining fluids from a container on the balance.)
Do not leave permanent load on the weighing plate. 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 and damage caused by media, liquids,
natural wear and tear
• The appliance is improperly set up or incorrectly electrically connected
• The measuring system is overloaded
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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
Carefully read this operation manual before setup and commissioning, even if you
are already familiar with KERN balances.
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
Keep all parts of the original packaging in case you need to return the appliance.
Only use original packaging for returning.
Before sending, disconnect all connected cables and loose/movable parts.
Attach possibly existing transport safeguards. Secure all parts, e.g. weighing plate,
power unit etc., to prevent slipping and damage.
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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
Carefully remove the balance from the packaging, remove plastic cover and setup
balance at the intended workstation.
6.2.1 Setup
The balance must be installed in a way that the weighing plate is exactly in horizontal
position.
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