wolf safety wolflite h-251mk2 ex certtificate

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  • 7/25/2019 Wolf Safety Wolflite H-251MK2 EX Certtificate

    1/18

    British Approvals

    Service

    for

    Electrical

    Equipment

    in

    Flammable

    Atmospheres

    BASEEFA

    JUN

    98I

    Certificate of

    Assurance

    THIS IS

    TO CERTIFY

    THAT

    A

    r{CIr,FlrrE

    NO 251

    MARK

    manufactured

    by

    TIIE WOIF SAFEIY IAMP CO LTD

    of

    Sheffield

    designed

    and

    constructed

    in

    accordance with the

    Specification

    set out

    in

    the First

    Schedule and

    the

    documents

    therein

    referred to,

    has been

    found

    -tg

    comply with the requirements

    of

    RS

    5501

    :

    Part,

    6

    : 1977

    EN50

    019

    and

    SFA 3009 z 1972

    This Certi f icate

    also applies to:

    1) other

    apparatus conforming to the

    specification

    set out in the

    First Schedule

    2) other apparatus conforming to the

    specification

    set out

    in

    the

    First

    Schedule,

    but having

    any

    variation

    specified

    in the

    Second Schedule

    This Certificate

    is

    granted

    subject

    to the

    general

    conditions applicable

    to

    the

    Approval

    Service

    and any

    special

    conditions

    as may

    be

    prescribed.

    This Certificate

    does not necessarily indicate that the apparatus

    may

    lawfully

    be used in

    particular

    industries

    or circumstances because

    such

    usage may

    be subject

    to

    statutory

    requirements.

    Code : EEx

    es

    II

    T3

    I|5

    Test Relnrt:

    BA^SEEFA

    o

    79

    (e)

    56

    and

    No

    81(e) 45

    and

    Mdendum

    to

    81(e)45

    dated 7 April

    Iget-and

    addendr:m

    to TR

    81

    (e)

    45

    dated Igfta\t

    1981

    Fi le :

    SFAI3/63/0I

    /

    n

    I ,

    K r ,

    :

    i \ l J \

    n "

    to ,J . t \ - .

    t

    CERTIFICATE

    NO:

    38/0L/02

    -.-_.---=--

    B HILL

    Director

    x 81142

    dated

    18 I'lay 1981

  • 7/25/2019 Wolf Safety Wolflite H-251MK2 EX Certtificate

    2/18

    Certificate

    of Assurance

    First

    NUMBER

    Ex 81142

    DATED 18 May1e81

    Schedule

    Sheet L of 2

    APPART{ruS

    [15

    JUN

    esl

    A

    VOLFLITE ITANDIAMP

    0

    251 MARK

    is

    a lanp

    in

    a

    plastic

    enclosure

    with rechargeable

    batteries.

    It is

    suitable

    for

    carrying

    by hand.

    The

    general

    arrangernent

    of the lanp

    is

    shown

    on drawing

    No

    S-25L-292-L.

    the

    batteries

    for

    the

    lanp

    are

    two 5

    amgnre,/hour

    sealed

    lead

    acid batteries,

    which

    may

    be

    either:

    Chloride

    Qrclon

    t14n X001

    or

    C'eneral

    Electric

    tlpe

    G80250.

    'Ihese

    batteries

    are

    contained in

    their

    o ,rn rnoulded

    case

    shown

    on drawing

    No l{-251-292-6,

    wtrich allows

    the

    batteries

    to be

    removed

    as one

    unit for

    replacement

    or

    recharging.

    The

    body shown

    on

    drawing No Ivt-251-292-3

    and

    the lens

    ring

    shown

    on drawing

    No

    M-25I-292-4

    are moulded

    in

    a

    poly-

    propylene

    and

    trnlyethylene

    co;nlymer

    tlpe

    g{tv1213.

    After

    releasing

    a locking

    screw

    with

    the strncial

    tool

    provided,

    wktich

    locks

    the switch

    in

    the OFF

    trnsition,

    the

    lens ring

    nay

    be

    unscrewed

    from

    the body

    to

    prmit

    removal

    of

    the

    batteries or bulb and replacement. Ttre lanp is intended to

    be

    oSnned

    only

    in

    a non hazardous

    area, and

    not left

    open

    longer

    than

    is

    required

    to

    change

    a battery

    or bu1b.

    Ttre

    plastic

    reflector

    and lens

    ring

    wtrich

    may

    be made

    of

    trnlycarbonate

    or toughened

    glass,

    are clamtrnd

    tight

    against

    a

    gasket

    in the lens

    ring

    by the

    reflector

    retaining

    ring,

    which

    screws

    into

    the lens ring.

    the

    pre-focus

    bulb

    rated

    at 3.6,

    3.8 or 4

    volts I anp

    is

    pressed

    into

    the back

    of

    the

    reflector

    by

    a

    spring

    loaded

    bulb

    cover

    which screws

    into

    the

    back

    of the

    reflector,

    thus

    forming

    a further

    enclosure

    of IP54

    within

    the main IP54

    enclosure

    for

    the back

    of the

    bulb.

    A battery

    retainer

    prevents

    the batteries

    from

    coming

    forward

    and damaging

    tLre bulb holder fixing in ttre

    reflector.

    Ttre

    circuit includes

    a L.25

    amp

    ceramic

    body

    mineral

    filfed

    cartridge fuse.

    The

    srritch

    is a hermetically

    sealed

    reed switch

    otrnrated

    from

    a sliding

    magnet

    assembly

    external

    to the

    main

    enclosure, mounted

    conveniently

    below

    the

    carrying handle,

    rrtttich

    affords it

    protect.ion

    from

    impact.

    The

    reed

    switch

    wtrich

    is hermetically

    sealed

    in

    glass

    is

    protected

    by

    Spcial Protection,

    under

    trnragraph

    5.2 of

    SFA

    3009 z L972.

  • 7/25/2019 Wolf Safety Wolflite H-251MK2 EX Certtificate

    3/18

    t

    0

    JUN

    voz

    BASEEFA

    British Approvals Service

    for

    Electrical Equipment

    in

    Flammable

    Atmospheres

    Certificate

    of

    Assurance

    THIS IS 10

    CERTIFY

    lMT

    CffifIFICAf,E IiD

    S