Seaward Clare B255 Manuale utente
Clare B255
Power Tool &
Appliance Test Station
Operating Manual
Operating Manual
Clare B255 Power Tool & Appliance Test Station
Limited Warranty & Limitation of Liability
Seaward Electronic Ltd guarantees this product for a period of 1 year. The
period of warranty will be effective at the day of delivery.
(c) Copyright 2013
All rights reserved. Nothing from this edition may be multiplied, or made public
in any form or manner, either electronically, mechanically, by photocopying,
recording, or in any manner, without prior written consent from Seaward. This
also applies to accompanying drawings and diagrams.
E&OE
The information contained within this manual is given in good faith and is
provided for guidance only. Although all reasonable care has been taken to
ensure accuracy of the information, Seaward Electronic Ltd, their agents and
distributors, accept no responsibility for any errors or omissions within this
document, nor for any misinterpretations by the user. For clarification on any
part of this document please contact Seaward Electronic Ltd, or your local
agent, before operating the instrument.
Due to a policy of continuous development Seaward Electronic Ltd reserve
the right to alter or amend equipment specifications and descriptions outlined
in this publication without prior notice. No part of this publication shall be
deemed to form, or be part of, any contract for the equipment unless
specifically referred to as an inclusion within such contract.
Operating Manual
Clare B255 Power Tool & Appliance Test Station
Disposal of Old Product
This product has been designed and manufactured with high quality
materials and components that can be recycled and reused.
When the crossed out wheelie bin symbol is attached to a product it means
the product is covered by the European Directive 2012/19/EU.
Please familiarise yourself with the appropriate local separate collection
system for electrical and electronic products.
Please dispose of this product according to local regulations. Do not
dispose of this product along with normal waste material. The correct
disposal of this product will help prevent potential negative consequences
for the environment and human health.
User Note:
These Operating Instructions are intended for the use of
Competent Personnel.
Operating Manual
Clare B255 Power Tool & Appliance Test Station
1
Contents
Declaration of Conformity 3
2. General Guidance Notes 4
Safety 4
Installation and use of Test Equipment 5
Assessment of Test Area 5
Safe Application of Test Equipment 6
Maintenance 6
Summary of Safety Information 7
3. Environmental Conditions 8
4. Introduction to Safety Testing 9
Methods of Construction for Electrical Safety 9
Test Requirements to Determine Electrical Safety 10
Visual Inspection 10
Electrical Safety 10
Earth Bond Continuity 10
Electrical Insulation 11
Earth Leakage Current 11
Functional Operation 12
5. Introducing the B255 12
Facia Controls 13
Accessories 14
Rear Panel Connections 15
6. Set-Up Procedures 16
The Test Area 16
Instrument Wiring and Connections 17
Instrument Set-Up 18
Operating Manual
Clare B255 Power Tool & Appliance Test Station
2
7. Test Application 19
Visual Inspection 19
Casing 19
Supply Lead 19
Plugs and Fuses 19
Switches and Function Selectors 20
Electrical Safety Tests – General 20
Earthed (Class I) Equipment 20
Earth Test 20
Flash Test – Line+Neutral to Earth 21
Double Insulated (Class II) Equipment 23
Flash Test – Line+Neutral to Probe 23
Earth Leakage Test (Class 1 Earthed/Grounded Products) 24
Earth Leakage Test (Class 2 Double Insulated Products) 25
Typical Earth Leakage Values 25
Load (Run) Current Measurement 26
Fault Indication 27
8. Instrument Integrity 28
Calibration 28
Operational Checks 28
Check Procedure – Earth Continuity 28
Check Procedure – Flash Test Trips 29
9. Electrical Specification 30
10.Maintenance 31
11.Cleaning 31
12.Additional Information 32
Useful Reference Material 32
Useful Addresses 33
Training 33
Operating Manual
Clare B255 Power Tool & Appliance Test Station
3
DECLARATION OF CONFORMITY
As the manufacturer of the apparatus listed, declare under our sole
responsibility that the product:
B255
To which this declaration relates are in conformity with the relevant clauses of
the following standard:
BS EN 61010-1:2010
Safety requirements for electrical equipment for measurement, control,
and laboratory use – Part 1: General requirements.
BS EN 61326-1:2013
Electrical equipment for measurement, control and laboratory use-EMC
Requirements.
Performance: The instrument operates within specification when used under
the conditions in the above EMC and Safety Standards.
The product identified above conforms to the requirements of Council
Directive 2004/108/EC and 2006/95/EC.
This conformity is indicated by the symbol i.e. “Conformité Européenne”.
Seaward Electronic Ltd is registered under BS EN ISO9001:2000 Certificate
No: Q05356.
2.General Guidance Notes
Safety
The design of the B255 Portable Appliance Tester meets the European
Commission Directive No. 2006/95/EC, relating to the “Low Voltage
Directive”. This is in accordance with BS EN 61010-1: 2010 – Safety
requirements for electrical equipment for measurement control, and
laboratory use. This unit is also compliant with EN 50191 Draft.
The user MUST follow the remainder of this section on safety, installation,
guidance and maintenance to guarantee safe operation and to maintain the
equipment in a safe condition.
When connected to the mains supply, internal terminals of the equipment may
be live and the opening of covers or removal of parts is likely to expose live
parts. The user must disconnect the equipment from ALL voltage sources
before any adjustment, replacement, maintenance or repair.
The user must not use makeshift fuses or short-circuit fuse holders.
The user should carry out manual handling of test equipment in accordance
with regulatory guidance notes. That is those supplied by the Health & Safety
Executive or Croner’s and the Health & Safety at Work Act.
Operating Manual
Clare B255 Power Tool & Appliance Test Station
4
Any interruption of the protective earth conductor (mains
input earth) inside or outside the equipment is likely to make
the equipment dangerous. The user must not intentionally
interrupt the protective earth conductor.
Caution, risk of electric shock. Indicates instructions must be
followed to avoid danger to persons.
Caution, risk of danger. The operating instructions must be
adhered in order to avoid danger.
Do not touch equipment under test during tests!
Always use B255 with accessories and cable assemblies
provided.
If the B255 is used in a manner not specified by this document
then the protection provided by the equipment may be
impaired.
Operating Manual
Clare B255 Power Tool & Appliance Test Station
5
Installation and use of Test Equipment
Electrical safety tests (particularly Flash Tests) are required to comply with
Legislative Documents on electrical and electronic product testing which may
encroach the EMC (Electromagnetic Compatibility) requirements. This
standard came into effect on 1st January 1996.
The design of the test equipment will minimise the effects of electromagnetic
disturbances, but some interference may result from particular applications
dependent on the type of product being tested.
Therefore, the user is responsible for installing and using the test equipment
according to the manufacturers’ instructions. The user of the test equipment
is responsible for detecting electromagnetic disturbances and must resolve
the situation with the technical assistance of the manufacturer. In some cases
it may involve constructing an electromagnetic screen (Faraday cage)
enclosing the test equipment and test pieces complete with associated input
filters. The user should achieve a reduction in electromagnetic disturbances to
a point where they are no longer troublesome.
Assessment of Test Area
Before installing the test equipment the user shall make an assessment of
potential electromagnetic disturbance problems in the surrounding area and
take the following points into account -
• Supply cables (other than those supplying the test equipment), control
cables, signalling and telephone cables. These can be above, below or
adjacent to the test equipment.
• Radio and television transmitters and receivers within a distance of 30
metres;
• Computer and other control equipment within a distance of 10 metres;
• Safety critical equipment (i.e. the guarding of industrial machinery);
• The health of people in the surrounding area. Of approximately 2-3 metres
(that is the use of hearing aids, pacemakers, etc.);
• Delicate electronic equipment used for calibration or measurement.
The size of the surrounding area to be considered will depend on the overall
structure of the building and other activities taking place. It is important to
note that the surrounding area may well extend beyond the boundaries of the
premises.
Position the equipment with adequate ventilation and easy access to all sides
of the equipment for maintenance purposes. Generally this means not
enclosing the equipment (unless specifically designed so) or burying it under
other test equipment.
Operating Manual
Clare B255 Power Tool & Appliance Test Station
6
Safe Application of Test Equipment
Any person operating electrical test equipment should be 18 years or over and
should have had adequate training in the use of the particular piece of
equipment. The degree of training should be appropriate for the competence
and experience of the operator.
Position the test equipment in a clearly defined test area with access limited
to the operator only. Construct all test benches of insulated material,
preferably wood. Use steel benches covered in insulating material under
certain circumstances only.
The item under test must be on an insulated surface (where possible, as with
large or unwieldy items this may not be possible).
This instrument incorporates an ac Flash trip device that defaults to 5mA. The
trip mechanism operates within 10 milliseconds to safeguard the operator and
make the flash test non-lethal and non-destructive.
Maintenance
Seaward Electronic Ltd supplies a guarantee against defective material and
faulty manufacture for a twelve month period from the date of delivery.
Prior to despatch the equipment undergoes careful inspection and
comprehensive testing. Report any defect discovered with the equipment in
respect of materials or workmanship within the guarantee period. We
undertake to put right the defect at our expense subject to our standard
conditions of sale.
Our responsibility is limited, in all cases, to the cost of making good the defect
in the equipment. This does not apply to defects caused by abnormal
conditions of working, accident, misuse, neglect or wear and tear.
The item under test must not be touched whilst the flash tests
are applied.
Do not touch or come into contact with the instrument case
or any other Earthed metalwork (for example conduit or metal
trunking, etc.) whilst applying the safety tests. The operator
should also be on an insulated surface such as British
Standard approved rubber matting or nail free duckboard.
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