KERN & SOHN CXP User Manual
KERN & Sohn GmbH
Ziegelei 1
E-Mail: info@kern-sohn.com
Tel: +49-[0]7433- 9933-0
Internet: www.kern-sohn.com
Operating instruction
Counting scales
KERN CXB/CXP
Version 1.7
10/2014
GB
D-72336 Balingen
Fax: +49-[0]7433-9933-149
CXB/CXP-BA-e-1417
KERN CXB/CXP
Counting scales
GB
Version 1.7 10/2014
Operating instruction
Table of Contents
1 Technical data ................................................................................................ 4
2 Declaration of conformity ............................................................................. 7
3 Appliance overview ....................................................................................... 8
3.1 Overview of display ................................................................................................................ 10
3.1.1 Display weight ........................................................................................................................... 11
3.1.2 Display reference weight .......................................................................................................... 11
3.1.3 Display quantity ......................................................................................................................... 11
3.1.4 Battery charge status display .................................................................................................... 11
3.2 Keyboard overview ................................................................................................................. 12
4 Basic Information (General) ........................................................................ 14
4.1 Proper use ............................................................................................................................... 14
4.2 Improper Use........................................................................................................................... 14
4.3 Warranty .................................................................................................................................. 14
4.4 Monitoring of Test Resources ............................................................................................... 15
5 Basic Safety Precautions ............................................................................ 15
5.1 Pay attention to the instructions in the Operation Manual ................................................ 15
5.2 Personnel training .................................................................................................................. 15
6 Transport and storage ................................................................................. 15
6.1 Testing upon acceptance ...................................................................................................... 15
6.2 Packaging ................................................................................................................................ 15
7 Unpacking, Setup and Commissioning ..................................................... 16
7.1 Installation Site, Location of Use .......................................................................................... 16
7.2 Unpacking ............................................................................................................................... 16
7.2.1 Setup ........................................................................................................................................ 17
7.2.2 Scope of delivery ...................................................................................................................... 18
7.3 Mains connection ................................................................................................................... 18
7.4 Battery power supply ............................................................................................................. 18
7.5 Initial Commissioning ............................................................................................................ 18
7.5.1 Start-up ..................................................................................................................................... 19
7.5.2 Turn off – CXB models ............................................................................................................. 19
7.5.3 Turn off/standby mode – CXP models ..................................................................................... 19
7.5.4 Balance zero display ................................................................................................................. 19
7.5.5 Stability display ......................................................................................................................... 19
7.6 Adjustment with external weight .......................................................................................... 20
7.6.1 Adjustment of models CXP ...................................................................................................... 20
7.6.2 Adjustment of models CXB ...................................................................................................... 21
7.6.3 Adjustment of models CXB_M ................................................................................................. 23
8 Verification ................................................................................................... 24
8.1 Adjustment key and seals ...................................................................................................... 25
9 Parts counting .............................................................................................. 26
9.1 Determination of the reference weight by weighing ........................................................... 26
9.2 Numeric entering of the reference weight ........................................................................... 27
CXB/CXP-BA-e-1417 2
USER
9.3 Automatic reference optimization ......................................................................................... 27
9.4 Store/call reference weight .................................................................................................... 28
9.4.1 Save .......................................................................................................................................... 28
9.4.2 Call-up ...................................................................................................................................... 29
9.5 Count with tolerance control - Fill to target ......................................................................... 29
9.5.1 Set tolerance value for target number of pieces ....................................................................... 29
9.5.2 Set tolerance value for target weight ........................................................................................ 30
10 Taring ............................................................................................................ 31
10.1 Determination of the tare weight by weighing ..................................................................... 31
10.2 Numerical input of tare (PRE-TARE) ..................................................................................... 32
10.3 Numerical input of tare (PRE-TARE) ..................................................................................... 35
11 Add up........................................................................................................... 37
11.1 Add up “number parts" .......................................................................................................... 37
11.2 Add up “weight" ..................................................................................................................... 38
11.3 Delete stored values ............................................................................................................... 39
12 Application menu ......................................................................................... 39
12.1 Navigation in the menu .......................................................................................................... 39
12.2 Menu overview [
] ........................................................................................................... 40
13 Configurations menu ................................................................................... 41
13.1.1 Display background illumination ........................................................................................... 41
13.1.2 Setting the display speed ..................................................................................................... 42
14 Data output ................................................................................................... 43
14.1 RS 232C interface ................................................................................................................... 43
14.2 Description of interface ......................................................................................................... 44
14.2.1 Example: Setting an output format ....................................................................................... 48
15 Service, maintenance, disposal .................................................................. 49
15.1 Cleaning................................................................................................................................... 49
15.2 Service, maintenance ............................................................................................................. 49
15.3 Disposal ................................................................................................................................... 49
16 Instant help ................................................................................................... 50
17 Appendix ASCII CODE table ....................................................................... 51
CXB/CXP-BA-e-1417 3
1 Technical data
Weighing plate, stainless
CXB models:
KERN CXB 3K0.2 CXB 6K0.5 CXB 15K1 CXB 30 K2
Readability (d) 0.2 g 0.5 g 1 g 2 g
Weighing range (max) 3 kg 6 kg 15 kg 30 kg
Reproducibility 0.2 g 0.5 g 1 g 2 g
Linearity ± 0.4 g ± 1.0 g ± 2 g ± 4 g
Stabilization time 2 sec. 2 sec. 2 sec. 2 sec.
Recommended adjustment
weight, not added (class)
Weighing unit g g g g
Minimum piece weight 0.1 g 0.2 g 0.5 g 1 g
Warming up time (operat-
ing temperature)
Reference quantity freely selectable
Net weight (kg) 4 kg
Permissible ambient
condition
Humidity of air 15% - 85% (non-condensing)
steel
Dimensions of the housing
(B x D x H)
Mains connection Mains adapter 230 V, 50/60 Hz ; 9 V DC balance, 800 mA
3 kg (M1) 5 kg (M1) 15 kg (M1) 30 kg (M1)
30 min
-10° C to 40° C
300 x 225 mm
300 x 330 x 110 mm
Rechargeable battery Without backlight display:
Service life c. 200 hours / loading time ca. 8 hrs.
With backlight display:
Operating time ca. 60h. / loading time ca. 8 hrs.
CXB/CXP-BA-e-1417 4
KERN
CXB
3K1NM
CXB
6K2NM
CXB
15K5NM
CXB
30K10NM
Weighing plate, stainless
Readability (d) 1 g 2 g 5 g 10 g
Weighing range (Max) 3 kg 6 kg 15 kg 30 kg
Minimum load (Min) 20 g 40 g 100 g 200 g
Verification value (e) 1 g 2 g 5 g 10 g
Reproducibility 1 g 2 g 5 g 10 g
Linearity 2 g 4 g 10 g 20 g
Verification class III III III III
Stabilization time 2 sec. 2 sec. 2 sec. 2 sec.
Recommended adjustment
weight, not added (class)
Weighing unit kg kg kg kg
Minimum piece weight 100 mg 200 mg 500 mg 1 g
Warming up time (operat-
ing temperature)
Reference quantity freely selectable
Net weight (kg) 4 kg
Permissible ambient
condition
Allowable air humidity 15% - 85% (non-condensing)
steel
Dimensions of the housing
plastic material (B x D x H)
Voltage 220-240 V, 50/60 Hz;
3 kg (M1) 6 kg (M1) 15 kg (M1) 30 kg (M1)
10 min
-10° C bis 40° C
300 x 225 mm
300 x 330 x 110
Rechargeable battery Without backlight display:
CXB/CXP-BA-e-1417 5
Service life ca. 200Std. / loading time ca. 8 Std.
with back light:
Operating time ca. 60Std. / loading time ca. 8 Std.
CXP models:
Weighing plate, stainless
KERN CXP 30K2 CXP 75K5 CXP 150K10
Readability (d) 2 g 5 g 10 g
Weighing range (max) 30 kg 75 kg 150 kg
Reproducibility 2 g 5 g 10 g
Linearity ± 4 g ± 10 g ± 20 g
Stabilization time 2 sec. 2 sec. 2 sec.
Recommended adjustment
weight, not added (class)
Weighing unit g g g
Minimum piece weight 0.5 g 1 g 2.5 g
Warming up time (operat-
ing temperature)
Reference quantity freely selectable
Net weight (kg) 8.9 kg
Permissible ambient
condition
Allowable air humidity 15 % - 85 % (non-condensing)
steel
Dimensions of the housing
plastic material (B x D x H)
Voltage 230 V (AC)
20 kg (M1) 50 kg (M1) 100 kg (M1)
30 min
-10° C to 40° C
400 x 300 mm
400 x 300 x 100 mm (platform)
290 x 140 mm (terminal)
Rechargeable battery Without backlight display:
Service life c. 200 hours / loading t ime ca. 16 hrs.
With backlight display:
Operating time ca. 60h. / loading time ca. 16 hrs.
with backlight + RS 232:
Operating time ca. 56h. / loading time ca. 16 hrs.
Data interface RS 232C
CXB/CXP-BA-e-1417 6
KERN & Sohn GmbH
D-72322 Balingen-Frommern
E-Mail: info@kern-sohn.de
Tel: 0049-[0]7433- 9933-0
Internet: www.kern-sohn.de
D
Konformitätserklärung
Wir er klären hiermit, dass das Produk t, 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 conf orms
with the following standards.
CZ
Prohlášení o
shode
Tímto prohlašujem e, 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 respons abilité 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 dichiar azione 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.
EU Directive
Standards
2004/108/EC
EN55011: 2007 +A2: 2007
EN 61000-3-3:1995+A1: 2001+A2:2005
2006/95/EC
EN 61010-1:2001
Signature
Datum
08.04.2013
Ort der Ausstellung
Place of issue
72336 Balingen
Albert Sauter
KERN & Sohn GmbH
Geschäftsführer
Managing director
KERN & Sohn GmbH, Ziegelei 1, D-72336 Balingen, Tel. +49-[0]7433/9933-0
Fax +49-[0]7433/9933-149, E-Mail: info@kern-sohn.com, Internet: www.kern-sohn.com
2 Declaration of c onformity
Postfach 4052
Fax: 0049-[0]7433-9933-149
Declaration of conformity
EC-Konformitätserklärung EC-Declaration of -Conformity
Déclaration de conformité EC-Declaración de Conformidad
ECEC-Dichiarazione di conformità EC-Conformiteitverklaring
EC- Declaração de conformidade EC- Prohlášení o shode
EC-Deklaracja zgodności EC-Заявление о соответствии
Electronic Balan ce: KERN CXB/RXB/CXP
EN61000-6-2:2005
EN61000-3-2:2006
Date
CXB/CXP-BA-e-1417 7
Signatur
1
3
4
2
3 Appliance overview
CXB models:
1. Bubble level
2. Battery compartment
3. Mains cable connection
4. ON/OFF switch
CXB/CXP-BA-e-1417 8
3
2
1
CXP models:
1. ON/OFF switch
2. Mains cable connection
3. RS 232 interface
4. Bubble level
CXB/CXP-BA-e-1417 9
Loading status display
Weight
Reference weight
Loading status display
Pieces
Weight
Reference weight
Pieces
3.1 Overview of display
CXB models:
CXP models:
CXB/CXP-BA-e-1417 10
3.1.1 Display weight
Here, the weight of your goods is displayed.
Overlay indicates:
a
PRE-
TARE
3.1.2 Display reference weight
The reference weight of a sample is shown here. This value is either entered by user
of calculated by balance.
Overlay indicates:
3.1.3 Display quantity
Here, all the parts placed on balance are immediately displayed by number.
Zeroing display
Tare in memory
Battery very low
Placed number of pieces insufficient for reference calculation
Placed reference weight insufficient for reference calculation
Overlay indicates:
M+
3.1.4 Battery charge status display
red
green
Data in summation memory
Stability display
Battery is almost discharged
Battery is completely discharged
CXB/CXP-BA-e-1417 11
3.2 Keyboard overview
CXB models:
CXP models:
CXB/CXP-BA-e-1417 12
Choice Function
• Number keys
-
• Delete key
• Call counting with tolerance control
• Store reference weights in memory
• Call stored reference weights
• Addition in total memory
• Call up total memory
CXB models
CXP models
• Delete summation memory
• Enter reference weight through weighing
• Display reference weight stored last
• Enter target number of pieces
• Numeric entry reference weight
• Display reference weight stored last
• Enter target weight
• Zeroing key
• Back to weighing mode
• Taring key
• Enter numerical tare
• ON/OFF standby
• Taring key
• Enter numerical tare
CXB/CXP-BA-e-1417 13
4 Basic Information (General)
4.1 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.
4.2 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.
4.3 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
CXB/CXP-BA-e-1417 14
4.4 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.
5 Basic Safety Precautions
5.1 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.
5.2 Personnel training
The appliance may only be operated and maintained by trained personnel.
6 Transport and stora ge
6.1 Testing upon acceptance
When receiving the appliance, please check packaging immediately, and the appliance itself when unpacking for possible visible damage.
6.2 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.
CXB/CXP-BA-e-1417 15
7 Unpacking, Setup and Commissioning
7.1 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.
7.2 Unpacking
Carefully remove the balance from the packaging, remove plastic cover and setup
balance at the intended workstation.
CXB/CXP-BA-e-1417 16
1
Weighing plate
6
Platform
2
Cantilever
7
Display part
3
Screws (x 2)
8
Support
4
Spring
9
Screws (x 4)
5
Substructure
10
Allen keys
7.2.1 Setup
Level balance with foot screws until the air bubble of the water balance is in the prescribed circle.
Models CXP:
A) Insert screw (3) in eye of spring (4) and screw it down.
Screw down second screw (3) as well.
B) Push the holder (8) into the guide rail of the display part (7).
Attach the display part (7) to the weighing balance, using the four screws (9). Use an
Allen key (10) to tighten the screws.
CXB/CXP-BA-e-1417 17
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