Ohaus CKW30L71XW, CKW15L71XW, CKW6R71XW, CKW3R71XW Instruction Manual
CKW BASE
INSTRUCTION MANUAL
BASE CKW
MANUAL DE INSTRUCCIONES
BASE CKW
MANUEL D'INSTRUCTION
CKW-WÄGEBRÜCKE
BEDIENUNGSANLEITUNG
BASE CKW
MANUALE D’ISTRUZIONI
Ohaus Corporation, 19A Chapin Road, P.O. Box 2033, Pine Brook, NJ, 07058-2033
, USA
Declaration of Conformity
conformity with the following directives and standards when used in combination with a CE marked indicator produced by Ohaus Corporation.
Declaración de Conformidad. Nosotros, Ohaus Corporation, declaramos bajo nuestra exclusiva responsabilidad que los modelos de base de
balanzas marcados con CE a continuación se ajustan a las siguientes normas y directrices cuando se usan en combinación con un indicador marcado
CE, producido por Ohaus Corporation.
Déclaration de conformité
répertoriés ci-dessous sont conformes aux directives et aux normes lorsqu’ils sont utilisés avec un indicateur portant la maque CE et fabriqué par
Ohaus Corporation.
Konformitätserklärung Wir, Ohaus Corporation, erklären in alleiniger Verantwortung, dass die unten aufgeführten mit der CE-Marke versehenen
Waagenmodelle mit den nachfolgenden Richtlinien und Standards konform sind, wenn sie zusammen mit einem von der Ohaus Corporation hergestellten
mit der CE-Marke versehenen Indikator verwendet werden.
Dichiarazione di conformità Ohaus Corporation, dichiara, sotto la propria responsabilità, che i modelli di base per bilancia marcati CE sottoelencati sono
in conformità con le direttive e gli standard seguenti quando vengono utilizzati con un indicatore marcato CE prodotto da Ohaus Corporation.
Model/Type CKW3R, CKW6R, CKW15L, CKW30L
Modelo/Tipo CKW3R, CKW6R, CKW15L, CKW30L
Modèle/Type CKW3R, CKW6R, CKW15L, CKW30L
Modell/Typ CKW3R, CKW6R, CKW15L, CKW30L
Modello/Tipo CKW3R, CKW6R, CKW15L, CKW30L
EC Marking: EC Directive Applicable Standards
Marcado EC Directiva EC Normas aplicables
Marquage CE Directive CE Normes applicables
EC-Markierung EC Richtlinie Geltende Standards
Marcature EC Direttiva EC Standard applicabili
We, Ohaus Corporation, declare under our sole responsibility, that the CE marked scale base models listed below are in
Ohaus Corporation déclare et, ce faisant n’engage que la société, que les modèles de base de balance marqués CE et
EU 73/23/EEC
Low Voltage
Baja tensión
Basse tension
Niederspannung
Bassa tensione
EN60950-1: 2003
Date: October 1, 2004
89/336/EEC
Electromagnetic compatibility
Compatibilidad electromagnética
Compatibilité électromagnétique
Elektromagnetische Verträglichkeit
Compatibilità elettromagnetica
Ted Xia
President
Ohaus Corporation
Pine Brook, NJ USA
EN61326-1:1997 +A1:1998 +A2: 2001
Urs Muller
General Manager
Ohaus Europe
Greifensee, Switzerland
i
Compliance to the following standards is indicated by the corresponding marking on the product.
El cumplimiento con los siguientes estándares se indica mediante el correspondiente marcado sobre el
producto.
La conformité aux normes suivantes est indiquée par le marquage correspondant sur le produit.
Durch die entsprechende Markierung auf dem Produkt wird die Konformität mit den folgenden Normen
angezeigt.
La marcatura sul prodotto indica l’aderenza alle normative seguenti.
Marking
Marcado
Marquage
Markierung
Marcature
R
C
US
Standard
Estándar
Normes
Standards
Standard
UL60950-1 : 2003
AS/NZS4251.1, AS/NZS4252.1
NSF CRITERIA C-2-1983
NSF/ANSI /3-A 14159-1 - 2002
ISO 9001 Registration
In 1994, Ohaus Corporation, USA, was awarded a certificate of registration to ISO 9001 by Bureau Veritus Quality International (BVQI), confirming
that the Ohaus quality management system is compliant with the ISO 9001 standard’s requirements. On May 15, 2003, Ohaus Corporation, USA,
was re-registered to the ISO 9001:2000 standard.
Registro ISO 9001
En 1994, Bureau Veritus Quality International (BVQI) le otorgó a Ohaus Corporation, EE.UU., un certificado de registro ISO 9001 el cual confirma
que el sistema administrativo de calidad de Ohaus cumple con los requerimientos del estándar ISO 9001. En mayo 15 del 2003, Ohaus
Corporation, EE.UU., fue registrada nuevamente al estándar ISO 9001:2000.
Enregistrement ISO 9001
En 1994, le Bureau Veritus Quality International (BVQI) a octroyé la certification d’enregistrement ISO 9001 à Ohaus Corporation, États-Unis
d’Amérique, confirmant que le système de gestion de la qualité Ohaus était conforme aux conditions normalisées de l’ISO 9001. Le 15 mai 2003,
Ohaus Corporation, États-Unis d’Amérique, a été ré-enregistrée à la norme ISO 9001:2000.
Registrierung nach ISO 9001
Im Jahr 1994 wurde der Ohaus Corporation, USA, ein Zertifikat der Registrierung nach ISO 9001 vom Bureau Veritus Quality International (BVQI)
verliehen, in dem bestätigt wird, dass das Ohaus-Qualitätsmanagementsystem den Anforderungen der Norm ISO 9001 entspricht. Am 15. Mai
2003 wurde die Ohaus Corporation, USA, gemäß der Norm ISO 9001:2000 neu registriert.
Registrazione ISO 9001
Nel 1994, Ohaus Corporation, USA, ha ricevuto il certificato di registrazione ISO 9001 da Bureau Veritus Quality International (BVQI), come
conferma che il sistema di gestione della qualità Ohaus risponde alle caratteristiche standard di ISO 9001. Il 15 Maggio 2003, Ohaus
Corporation, USA, è stata riregistrata per la normativa ISO 9001:2000.
ii
CHECKWEIGH BASE EN-1
1. INTRODUCTION
Thank you for purchasing a CKW Series product from Ohaus. Behind your purchase stands OHAUS, a leading
manufacturer of precision Moisture Analyzers, Balances, Scales and Indicators. An Aftermarket Department with
trained technicians is dedicated to provide you with the fastest service possible in the event your purchase
requires servicing. OHAUS also has a Customer Service Department to answer any inquiries regarding
applications and accessories.
This manual covers installation, operation and maintenance instructions for the Ohaus CKW Base. Please read
this manual completely before installation and operation.
1.1. General Description
The Ohaus CKW Series is available as stand-alone scale bases or as complete weighing systems with the CKW55 Indicator. The CKW Base is engineered for static checkweighing operations that also accommodates all
types of weighing applications—from general purpose to washdown. With its easy-to-clean design to minimize
food traps, food safety certification and rigid stainless steel construction, the CKW Base is ideally suited for years
of use in harsh environments, and other wet-environment applications where sanitary requirements are high.
1.2 Features
• 4 Capacity Models: 3kg/6lb, 6kg/15lb, 15kg/30lb, 30kg/60lb
• 2 weighing pan sizes: 254 x 254mm (10" x 10") and 305 x 305mm (12" x 12")
• Resolutions: Maximum 1:6000 to 1:7500, Type-approved 1:3000
• Food Safety Certifications: NSF, USDA / AMS
• Supports HACCP compliance
• Stainless steel frame, pan and load cell (IP67 dust and water ingress protected)
• Adjustable non-slip rubber leveling feet with externally visible level indicator
• 6 rubber load pads and 6 down-stops for heavy-duty protection against shock and overload
• Manufactured under an ISO 9001 compliant quality system
1.3 Safety Precautions
For safe and dependable operation of this product, please comply with the following precautions:
• Operate the base only under ambient conditions specified in these instructions
• Ensure that the load cell cable does not pose an obstruction or tripping hazard
• Do not operate the base in hazardous environments or unstable locations
• Do not drop loads on the base
• Do not lift the base by the top plate; always lift from the bottom plate when moving the base
• Service should only be performed by authorized personnel
EN-2 CHECKWEIGH BASE
2. INSTALLATION
2.1 Unpacking
Unpack and inspect the product to make sure that all components have been included. The CKW Base package
includes the following:
• CKW Base • Weighing Pan • Warranty Card • Instruction Manual
When purchased as a complete CKW scale, will also include:
• CKW-55 Indicator • Column Assembly
Check to ensure the product was not damaged during shipping. Immediately inform your OHAUS dealer in the
unlikely event that you find damaged or missing parts.
Save the packaging material. Re-pack the product using original packaging materials to ensure safe storage or
transport.
2.2 Assembly
2.2.1 Weighing Pan
Place the weighing pan securely over the rubber load pads on the top plate of the base (first ensure that all load
pads are seated fully in their respective mounting holes).
2.2.2 Wiring Connections
Connect the load cell cable to an indicator using the wiring codes in Tables 2-1 and 2-2 below. Refer to the
indicator manual for information about load cell connections, setup and calibration.
Note: When purchased as a CKW scale, the base is already pre-wired to the CKW-55 Indicator.
TABLE 2-1. FOUR WIRE LOAD CELL CONNECTION
(CKW3R, 6R and 15L)
Function Wire Color Function Wire Color
+ Excitation Green + Excitation Green
- Excitation Black - Excitation Black
+ Signal Red + Signal Red
- Signal White - Signal White
TABLE 2-2. SIX WIRE LOAD CELL CONNECTION
(CKW30L only)
+ Sense Blue
- Sense Brown
Shield Yellow
CHECKWEIGH BASE EN-3
2.3 Selecting the Location
To ensure accuracy, proper performance and safety, locate and operate the base on a stable, level surface.
Avoid locations with rapid temperature changes or excessive dust, air currents, vibrations, electromagnetic fields
or heat.
Level the base by adjusting the four leveling feet until the bubble in the level indicator (located at the rear of the
base) is centered. A wrench may be needed to loosen the locking nut above each leveling foot. When the base
is level, retighten the locking nuts up against the base to lock each foot into place.
Note: Ensure that the base is level each time its location is changed.
CORRECTCORRECT
CORRECT
CORRECTCORRECT
INCORRECT INCORRECT
INCORRECT
INCORRECT INCORRECT
3.MAINTENANCE
3.1 Cleaning
• The base components should be kept clean and free of excessive material build up.
• Avoid directly spraying the load cell with high-pressure water jets
• Water with a mild detergent may be used to clean the external and internal surfaces—do not use acids,
alkalis, strong solvents or abrasive materials and chemicals
• The pan extends past the bottom plate to minimize entry of water or foreign material into the frame. As
necessary, remove the pan to wipe or wash down the internal surfaces of the base.
• Removable components such as the weighing pan, leveling feet and rubber load pads (including column
and CKW-55 Indicator when purchased as a scale system) may be removed and cleaned accordingly
3.2 Troubleshooting
Aside from installing components (Section 2.2) and leveling adjustments (Section 2.3), the CKW Base does not
require any other adjustments as shipped from the factory.
Operational difficulties that may be encountered can often be traced to simple causes such as:
• Loose or incorrect wiring connections
• Obstructions to the weighing pan or base frame
• Unstable environments
• Incorrect calibration or setup of the indicator
If operational difficulties remain unresolved, contact your dealer or an authorized Ohaus Service Agent. Repairs
should be made by authorized service personnel only.
For service assistance in the United States and Canada, you may call Ohaus Corporation toll free at (800) 5260659 from 8 AM to 5 PM Eastern Time. An Ohaus Product Service Specialist will be available to help you.
EN-4 CHECKWEIGH BASE
4. TECHNICAL DATA
4.1 Drawings
Base Shown With CKW Indicator and Column.
When purchased as a CKW scale, the column
is already preassembled to the base.
Figure 4-1. CKW Base Overall Dimensions.
4.2 Overall Dimensions
TABLE 4-1. DIMENSIONS.
Base A B C D E
Pan Depth Pan Width Height From Pan Height of Pan Depth Including
to Surface of Table* Level Indicator
CKW3R, CKW6R 254 mm 254 mm 84 mm 57.5 mm 284.5 mm
10 in. 10 in. 3.3 in. 2.26 in. 11.20 in.
CKW15L 305 mm 305 mm 84 mm 57.5 mm 284.5 mm
12 in. 12 in. 3.3 in. 2.26 in. 11.20 in.
CKW30L 305 mm 305 mm 92 mm 69.5 mm 335.5 mm
12 in. 12 in. 3.6 in. 2.74 in. 13.21 in.
* For leveling purposes, the feet may be extended up to an additional 11 mm (0.43 in.).
CHECKWEIGH BASE EN-5
4.3 Technical Specifications
BASE CKW3R CKW6R CKW15L CKW30L
Capacity (max) x Readability (d) 3 kg x 0.0005 kg 6 kg x 0.001 kg 15 kg x 0.002 kg 30 kg x 0.005 kg
6 lb x 0.001 lb 15 lb x 0.002 lb 30 lb x 0.005 lb 60 lb x 0.01 lb
Maximum Resolution 1:6000 1:7500 1:7500 1:6000
Capacity (max) x Approved Readability (e) 3 kg x 0.001 kg 6 kg x 0.002 kg 15 kg x 0.005 kg 30 kg x 0.01 kg
6 lb x 0.002 lb 5 lb x 0.005 lb 30 lb x 0.01 lb 60 lb x 0.02 lb
Approved Resolution (n max) 1:3000 1:3000 1:3000 1:3000
Linearity 1d 1d 1d 1d
Repeatability (standard deviation) 1d 1d 1d 1d
Pan Dimensions (W x D x H) 254 x 254 x 57.5 mm 305 x 305 x 57.5 mm 305 x 305 x 69.5 mm
10” x 10" x 2.26 in. 12" x12" x 2.26 in. 12" x 12" x 2.74 in.
Construction 304 Stainless Steel with Non-slip Rubber Leveling Feet
Leveling Component Externally Visible Level Indicator and Adjustable Leveling Feet
Load Cell Capacity 6 kg 10 kg 30 kg 50 kg
Load Cell Cable 1m / 3ft. L x 4-wire 1m / 3ft. L x 4-wire 1m / 3ft. L x 4-wire 2m / 6ft. L x 6-wire
Load Cell Type 350 ohm, full bridge, Stainless steel
Load Cell Excitation 5 to 15V DC/AC
Load Cell Rated Output 2 mV/V
Load Cell Protection IP67
Operating Temperature Range -10°C to 40°C / 14°F to 104°F
Relative Humidity 10% to 90%, non-condensing
Height above sea level Up to 4000 m
Safe Overload Capacity 150% of rated capacity
Product Weight 5.1 kg / 11.24 lb 6.2 kg / 13.67 lb 8.3 kg / 18.30 lb 9.3 kg / 20.50 lb
Shipping Weight 7 kg / 15.43 lb 8.1 kg / 17.86 lb 10.3 kg / 22.71 lb 11.3 kg / 24.91 lb
Food Safety Certifications NSF, USDA / AMS
Legal For Trade/Type Approval • OIML: R60/2000-NL-02.14 / TC6046 r1 – 6, 10, 30 kg load cell
R60/2000-NL1-03.24 / TC6120 r1 – 50 kg load cell
EN-6 CHECKWEIGH BASE
4.4 User-Replaceable Parts and Accessories
Part Number Description
71170884 Pan, for CKW3R
71170885 Pan, for CKW6R
71170886 Pan, for CKW15L
71170887 Pan, for CKW30L
71170888 Rubber Load Pad, for Pan Support (Set of 6)
71170881 Leveling Foot (with locking nut)
71170126 Level Indicator Assembly (with mounting hardware)
71128010 Cable Clamp
71167972
71154565
71154566
80251060
Notes: 1All column kits listed above are of stainless steel construction. The CKW-55 Column Kit maintains the food use
sanitary ratings.
2
All CW-11 Column Kits require the Column Adapter Kit for proper connection to a CKW Base.
3
If a column is later removed from the base, the original four bolts will need to be reinstalled at their original
positions. This is required to maintain proper sanitary operation of the CKW base.
1,3
1,2,3
1,2,3
2,3
Column Kit, for CKW-55, 229mm / 9" Fixed Height (All CKW Base models)
Column Kit, for CW-11, 350mm / 13.75" Fixed Height (All CKW Base models)
Column Kit, for CW-11, 680mm / 26.75" Fixed Height (CKW30L Base models only)
Column Adapter Kit, for connecting CW-11 column kits to CKW Bases
CHECKWEIGH BASE EN-7
LIMITED WARRANTY
Ohaus products are warranted against defects in materials and workmanship from the date of delivery
through the duration of the warranty period. During the warranty period Ohaus will repair, or, at its option,
replace any component(s) that proves to be defective at no charge, provided that the product is returned,
freight prepaid, to Ohaus.
This warranty does not apply if the product has been damaged by accident or misuse, exposed to
radioactive or corrosive materials, has foreign material penetrating to the inside of the product, or as a result
of service or modification by other than Ohaus. In lieu of a properly returned warranty registration card, the
warranty period shall begin on the date of shipment to the authorized dealer. No other express or implied
warranty is given by Ohaus Corporation. Ohaus Corporation shall not be liable for any consequential
damages.
As warranty legislation differs from state to state and country to country, please contact Ohaus or your local
Ohaus dealer for further details.
BASE PARA REVISIÓN DE PESOS ES-1
1. INTRODUCCIÓN
Gracias por comprar un producto de la serie CKW de Ohaus. Respaldando su compra se encuentra OHAUS,
compañía líder en la fabricación de aparatos de precisión tales como analizadores de humedad, balanzas,
básculas e indicadores. Contamos con un Departamento de Posventa que cuenta con técnicos entrenados,
dedicado a suministrarle el servicio más rápido posible en caso de que su compra requiera mantenimiento.
OHAUS también cuenta con un Departamento de Servicio al Cliente para responder a cualquier duda que pueda
tener con respecto a aplicaciones y accesorios.
Este manual incluye las instrucciones de instalación, manejo y mantenimiento para la base CKW de Ohaus.
Por favor lea este manual en su totalidad antes de instalar y manejar el aparato.
1.1. Descripción general
La Serie CKW de Ohaus viene disponible como bases independientes para básculas o como sistemas
completos de pesaje, con el indicador CKW-55. La base CKW está diseñada para operaciones de pesaje
estático, acomodando todo tipo de aplicaciones de pesaje, desde pesaje de tipo general hasta pesaje sujeto a
lavado. Con su diseño fácil de limpiar, que minimiza la acumulación de alimentos, certificación de seguridad
para alimentos y una sólida construcción en acero inoxidable, la base CKW es idealmente apropiada para
años de uso en ambientes adversos y otro tipo de aplicaciones en ambientes húmedos donde los
requerimientos de higiene son altos.
1.2 Características
• 4 Modelos de diferentes capacidades: 3kg/6lb, 6kg/15lb, 15kg/30lb, 30kg/60lb
• 2 Tamaños de bandejas para pesaje: 254 x 254mm (10" x 10") y 305 x 305mm (12" x 12")
• Resoluciones: máximo 1:6000 a 1:7500, tipo aprobado 1:3000
• Certificaciones de seguridad para alimentos: NSF, USDA / AMS
• Permite el cumplimiento de las normas HACCP
• Marco, bandeja y celda de carga de acero inoxidable (protección contra ingreso de polvo y
agua categoría IP67)
• Pies de nivelación ajustables, de caucho antideslizante, con indicador de nivel visible desde afuera
• 6 Almohadillas de carga de caucho y 6 topes para protección de grueso calibre contra golpes y
sobrecarga
• Fabricada según las normas de calidad ISO 9001
1.3 Precauciones de seguridad
Para un manejo seguro y confiable de este producto, por favor observar las siguientes precauciones:
• Usar la base sólo bajo las condiciones ambientales especificadas en estas instrucciones
• Asegurar que el cable de la celda de carga no represente una obstrucción o un peligro de tropiezo
• No usar la base en ambientes peligrosos o lugares inestables
• No dejar caer cargas sobre la base
• No levantar la base tomándola de la placa superior; cuando la mueva levántela siempre de
la placa inferior
• El mantenimiento sólo debe ser realizado por personal autorizado
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