Seaward Clare B255 Operating Manual
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Seaward Clare B255 Operating Manual

Power tool & appliance test station
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Clare B255
Power Tool &
Appliance Test Station
Operating Manual

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Summary of Contents for Seaward Clare B255

  • Page 1 Clare B255 Power Tool & Appliance Test Station Operating Manual...
  • Page 3 Clare B255 Power Tool & Appliance Test Station Operating Manual 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.
  • Page 4 Clare B255 Power Tool & Appliance Test Station Operating Manual 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 .

  • Page 5: Table Of Contents

    Clare B255 Power Tool & Appliance Test Station Operating Manual Contents Declaration of Conformity 2. General Guidance Notes Safety Installation and use of Test Equipment Assessment of Test Area Safe Application of Test Equipment Maintenance Summary of Safety Information 3. Environmental Conditions 4.
  • Page 6 Clare B255 Power Tool & Appliance Test Station Operating Manual 7. Test Application Visual Inspection Casing Supply Lead Plugs and Fuses Switches and Function Selectors Electrical Safety Tests – General Earthed (Class I) Equipment Earth Test Flash Test – Line+Neutral to Earth Double Insulated (Class II) Equipment Flash Test –...

  • Page 7: Declaration Of Conformity

    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.

  • Page 8: General Guidance Notes

    Clare B255 Power Tool & Appliance Test Station Operating Manual 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.

  • Page 9: Installation And Use Of Test Equipment

    Clare B255 Power Tool & Appliance Test Station Operating Manual 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.

  • Page 10: Safe Application Of Test Equipment

    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.

  • Page 11: Summary Of Safety Information

    The equipment contains parts that are specific to the equipment only, therefore, order spare parts from the address on the previous page. Seaward Electronic Ltd strictly forbid any use of spare parts, other than those acquired from the original manufacturer.

  • Page 12: Environmental Conditions

    Clare B255 Power Tool & Appliance Test Station Operating Manual 3.Environmental Conditions The B255 has been designed to perform tests and measurements in a dry environment. Maximum barometric elevation at which measurements can be recorded is 2000m. Contamination degree 2 according to IEC 61010-1.

  • Page 13: Introduction To Safety Testing

    Clare B255 Power Tool & Appliance Test Station Operating Manual 4.Introduction to Safety Testing Under the requirements of the Health and Safety at Work Acts it is the responsibility of the ‘supplier’ of electrical equipment to ensure that it is electrically safe.

  • Page 14: Test Requirements To Determine Electrical Safety

    Clare B255 Power Tool & Appliance Test Station Operating Manual Test Requirements to Determine Electrical Safety The most appropriate way of verifying Electrical Safety is to carry out a series of routine Safety Tests that both reflect those tests used in the manufacturing process and, particularly in the Hire Industry, take into account the effects of normal wear and tear.

  • Page 15: Electrical Insulation

    Clare B255 Power Tool & Appliance Test Station Operating Manual Electrical Insulation To check the insulation, between the ‘live’ conductors (Line and Neutral) and all exposed metal surfaces, a high voltage a.c. Flash Test is applied. The voltage will depend on the construction class of the tool or appliance –...

  • Page 16: Functional Operation

    Clare B255 Power Tool & Appliance Test Station Operating Manual Functional Operation Having established that the tool or appliance offers adequate protection to the user it is also necessary to ensure that it operates correctly in all available modes. Although many tools and appliances can be seen to be working correctly, in that they turn in the right direction or blow and suck when required etc.

  • Page 17: Facia Controls

    Clare B255 Power Tool & Appliance Test Station Operating Manual Facia Controls 1. Display Meter – multi-scale meter to show Earth Circuit Resistance, Load Current and Leakage Current values. 2. Set Inf. Control – used for setting the full scale (INF.) indication of the meter to compensate for mains fluctuations or differences from location to location.

  • Page 18: Accessories

    Clare B255 Power Tool & Appliance Test Station Operating Manual Accessories 1. Mains Lead – fitted with a standard BS1363 square pin 13A plug top for connection to an Earthed supply outlet. It is also recommended that the outlet is fitted with an RCD protection device.

  • Page 19: Rear Panel Connections

    Clare B255 Power Tool & Appliance Test Station Operating Manual FIG.3 Rear Panel Connectors Rear Panel Connections The various connectors shown in the illustration opposite are numbered, where appropriate, to correspond with the accessories described on the preceding pages – other connectors are described below.

  • Page 20: Set-Up Procedures

    Clare B255 Power Tool & Appliance Test Station Operating Manual 6.Set-Up Procedures RCD protect supply outlet Earth-free partition walls Storage for test leads Insulated bench top and flooring Access barrier with guard switch FIG.4 Suggested Test Area The Test Area Appliance testing can be hazardous and various common sense precautions must be observed.

  • Page 21: Instrument Wiring And Connections

    Clare B255 Power Tool & Appliance Test Station Operating Manual It is recommended that the supply sockets in workshops and especially those used in any ‘test area’, are protected by an Earth Leakage Circuit Breaker. Ensure that the person responsible for testing is competent and fully trained...

  • Page 22: Instrument Set-Up

    Clare B255 Power Tool & Appliance Test Station Operating Manual Instrument Set-Up Ensure that the rotary Test Selector switch is set to either STANDBY position. Connect the supply lead into the Supply socket on the back of the instrument and connect to an Earthed, 230V 50Hz, supply outlet. It is recommended that the outlet to be used is protected with an Earth Leakage Circuit Breaker.

  • Page 23: Test Application

    Clare B255 Power Tool & Appliance Test Station Operating Manual 7.Test Application Output box must be plugged into the equipment before use. The output box is required to enable equipment test functionality. Before use confirm that the internal part of the interlock system functions correctly;...

  • Page 24: Switches And Function Selectors

    Clare B255 Power Tool & Appliance Test Station Operating Manual Switches and Function Selectors Ensure that all switches, including rotary selector devices, operate smoothly and in the expected manner. Set supply switches to the ON position in preparation for the Safety Test.

  • Page 25: Flash Test - Line+Neutral To Earth

    Clare B255 Power Tool & Appliance Test Station Operating Manual Readings in the red zone usually mean that the Earth wiring of the product is faulty and should be investigated further. Similarly, if the recorded readings show an increase in value from one routine test to the next, it may indicate a loose connection, corroded terminals or partially broken Earth wire.
  • Page 26 Clare B255 Power Tool & Appliance Test Station Operating Manual b) A flash-over has occurred between the Earth path and one or other of the Line and Neutral paths; c) The presence of a high leakage suppression filter or high brightness neon in the supply circuit gives rise to a total leakage current in excess of the nominal 5mA at test voltage.

  • Page 27: Double Insulated (Class Ii) Equipment

    Clare B255 Power Tool & Appliance Test Station Operating Manual Double Insulated (Class II) Equipment This test requires the use of the safety Flash Test probe. This has a retractable tip which is exposed by depressing the red button on the handle.

  • Page 28: Earth Leakage Test (Class 1 Earthed/Grounded Products)

    Clare B255 Power Tool & Appliance Test Station Operating Manual Earth Leakage Test (Class 1 Earthed/Grounded Products) This test is intended as an alternative to the relevant Flash Test for equipment fitted with contactor, relay or low voltage ‘electronic’ start switching devices (often referred to as ‘dead mans handles’), i.e.

  • Page 29: Earth Leakage Test (Class 2 Double Insulated Products)

    Clare B255 Power Tool & Appliance Test Station Operating Manual Earth Leakage Test (Class 2 Double Insulated Products) This test is intended as an alternative to the relevant Flash Test for equipment fitted with contactor, relay or low voltage ‘electronic’ start switching devices (often referred to as ‘dead mans handles’), i.e.

  • Page 30: Load (Run) Current Measurement

    Clare B255 Power Tool & Appliance Test Station Operating Manual Load (Run) Current Measurement It is advisable to only apply a Load Test if the product has successfully undergone a Safety Test first. Check that the product to be tested is connected to the correct test output socket for the supply voltage required –...

  • Page 31: Fault Indication

    Clare B255 Power Tool & Appliance Test Station Operating Manual Fault Indication A zero current reading and non-operation of the product may indicate an open circuit Line or Neutral path – release the test button first and check that switches on the product operate correctly.

  • Page 32: Instrument Integrity

    Operating Manual 8.Instrument Integrity Calibration Regulatory authorities require that test instruments are re-calibrated at least annually. Seaward Electronic Ltd offer a full calibration service for this instrument, although any other suitably approved test establishment can be used. Operational Checks As well as the instrument undergoing annual, or more frequent, re-calibration...

  • Page 33: Check Procedure - Flash Test Trips

    Clare B255 Power Tool & Appliance Test Station Operating Manual Check Procedure - Flash Test Trips Electric shock risk. Do not touch B255 and Y250 during flash tests. With the clip lead still attached across the simulator terminals, select 500v Flash and depress the Test button.

  • Page 34: Electrical Specification

    Clare B255 Power Tool & Appliance Test Station Operating Manual 9.Electrical Specification Earth Continuity Test: Display Range: 0Ω to Infinity (INF.) Measured Range: 0 to 1Ω Accuracy: +/-10% of the reading Duration: Unlimited Recommended Duration: up to 5 seconds with 2 minute intervals Test Current: up to 25A into 0.1Ω...

  • Page 35: Maintenance

    Clare B255 Power Tool & Appliance Test Station Operating Manual 10.Maintenance Under no circumstances should the enclosure covers be removed. Ensure the B255 is kept dry with no surface moisture on either the enclosure or cable assemblies. The B255 enclosure should be regularly inspected to ensure no deep scratches or physical damage has occurred.

  • Page 36: Additional Information

    Clare B255 Power Tool & Appliance Test Station Operating Manual 12.Additional Information Useful Reference Material The following short list of British Standards, Legislative Documents and Guidance Notes is intended as a pointer to reference material that will assist in a greater understanding of the whys and wherefores of Electrical Safety Testing.

  • Page 37: Useful Addresses

    Training The Seaward Training Department have formulated a variety of courses covering all aspects of Electrical Safety Testing – from choosing the right equipment, to safe test areas, to meaningful test application etc.
  • Page 38 Thank you for reading this data sheet. For pricing or for further information, please contact us at our UK Office, using the details below. UK Office Keison Products, P.O. Box 2124, Chelmsford, Essex, CM1 3UP, England. Tel: +44 (0)330 088 0560 Fax: +44 (0)1245 808399 Email: sales@keison.co.uk...

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