Seaward Clare B255 Manuale utente

Clare B255

Power Tool &

Appliance Test Station

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.

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

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

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

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

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

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

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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