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1、BRITISH STANDARD BS ISO 17514:2004 Time-measuring instruments Photoluminescent deposits Test methods and requirements ICS 39.040.01 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:40:15 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 17514:2004 This British Standard was published under
2、 the authority of the Standards Policy and Strategy Committee on 7 January 2005 BSI 7 January 2005 ISBN 0 580 45193 3 National foreword This British Standard reproduces verbatim ISO 17514:2004 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Tec
3、hnical Committee STI/53, Jewellery, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the B
4、SI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for
5、 its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK inte
6、rests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii and iii, a blank page, pages 1 to 5 and a back cover. The BSI copyright notice displayed
7、in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:40:15 GMT+00:00 2006, Uncontrolled Copy, (c) BSI NITENRATIONAL TSDNAARD OSI 41571 iFtsr deoitin 24000-21-1 Reference numbe
8、r ISO 17514:2004(E) Time-measuring instruments Photoluminescent deposits Test methods and requirements Instruments de mesure du temps Dpts photoluminescents Mthodes dessai et exigences INTERNATIONAL STANDARD ISO 17514 First edition 2004-12-01 Refecnern eumreb OSI 57141002:)E(4 OSI 2004 emiTem-gnirus
9、a tsnimuretns Phulotomeniped tnecsostis T ets htemdodna s uqernemerist snItruemstn ed emruse t udepms pDst ohplotuimencstnes htMedod sseaste i exinegecs BS ISO 17514:2004 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:40:15 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii BS ISO 17514:2004 L
10、icensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:40:15 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iii Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is
11、 normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part
12、 in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to pr
13、epare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that
14、 some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 17514 was prepared by Technical Committee ISO/TC 114, Horology, Subcommittee SC 5, Luminescence. BS ISO 17514:2004 Licensed Copy: sheffield
15、un sheffieldun, na, Mon Nov 27 08:40:15 GMT+00:00 2006, Uncontrolled Copy, (c) BSI blank Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:40:15 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ANRETNIITOTS LANDNADRAISO 15714002:4)E( 1 Time-measuring instruments Photoluminescent deposits Test meth
16、ods and requirements 1Scope This International Standard specifies the test methods of various aspects of the photoluminescent deposits applied to time-measuring instruments, together with the requirements related to them. 2Normative references The following referenced documents are indispensable for
17、 the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 3157:1991, Radioluminescence for time measurement instruments Specifications 3Terms and definitions F
18、or the purposes of this document, the following terms and definitions apply. 3.1 photoluminescent deposit non-radioactive substance applied to a support, which is able to accumulate energy and release it as light 3.2 luminance ratio of the light intensity to the surface unit of emission for a remote
19、 observer NOTEThis is expressed as nanocandelas per square centimetre (). 3.3 luminance degradation coefficient decrease of luminance as a function of time 3.4 legibility ability of the luminescent item to be seen distinctly 3.5 legibility limit minimum luminous intensity with which the luminescent
20、item can be seen distinctly 3.6 luminous intensity the light intensity for a remote observer NOTEThis is expressed in ncd. ncd/cm2 BS ISO 17514:2004 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:40:15 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 2 4Test methods and requirements 4.1Tests on
21、 sample 4.1.1Test sample of the photoluminescent deposit shall be applied evenly to a surface area of at the end of a white-coated metallic support. The white colour shall be the safety white No. 9003 of the RAL (Reichsausschuss fr Lieferbedingungen) colour range. 4.1.2Colours The standardized colou
22、rs shall be those defined in 4.2.1 of ISO 3157:1991. Checking of colour shall be done by visual examination in daylight, not in direct sunlight. Measurements according to CIE 1976 L*a*b* are a possible alternative. 4.1.3Luminous intensity and luminance Luminous intensity of the test sample shall be
23、checked according to the following procedures: a)Store the test sample at ambient temperature for at least in the dark. b)Irradiate the test sample under the D65 light source at for or for , and then store it in the dark. c)Measure the luminous intensity of the test sample , and after its storage. I
24、f the time required for reaching the legibility limit or the luminance degradation coefficient is needed, the curve may be extrapolated down to a luminance of . A photometer shall be used for the measurement. Throughout the test periods b) and c), the ambient temperature shall be and the relative hu
25、midity shall be . 4.1.4Ageing resistance Ageing resistance of the test sample shall be checked according to the following procedures: a)Measure the luminous intensity of the test sample according to 4.1.3. b)Expose the test sample to UV light, humidity and temperature as described in 4.4.2 of ISO 31
26、57:1991. The duration of the exposure shall be extended to . c)Visually inspect the test sample; no discoloration, crack, damage, breakage or exfoliation shall be allowed. d)Measure again the luminous intensity (according to 4.1.3) after of storage in the dark. The luminous intensity loss shall be l
27、ess than . 4.1.5High/low temperature resistance High/low temperature resistance of the test sample shall be checked according to the following procedures: a)Measure the luminous intensity of the test sample according to 4.1.3. b)Store the test sample in the dark at and relative humidity for . c)Stor
28、e the test sample in the dark at for ; the time to pass from to shall be at least . (301)mg(10,03)cm2 8 h 200 lx30 min400 lx20 min 30 min 90 min180 min 40 ncd/cm2 (232) C (5015)% 48 h 24 h 10 % (805) C (5015) %1 h (205) C 1 h(805) C (205) C 30 min BS ISO 17514:2004 Licensed Copy: sheffieldun sheffie
29、ldun, na, Mon Nov 27 08:40:15 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 3 d)Visually inspect the test sample; no discoloration, crack, damage, breakage or exfoliation shall be allowed. e)Measure again the luminous intensity (according to 4.1.3). The luminous intensity loss shall be less than . 4.2T
30、est on components 4.2.1General While the test is intended to be carried out for a set of components, it may be carried out for only one component or for a set of components or for a complete time-measuring instrument. 4.2.2Legibility Legibility of a photoluminescent deposit-coated component shall be
31、 checked according to the following procedures: a)Store the photoluminescent deposit-coated component at ambient temperatures for at least in the dark. b)Irradiate the photoluminescent deposit-coated component under the D65 light source at for or at for , and then store it in the dark. c)Visually in
32、spect the photoluminescent deposit-coated component for its legibility in the darkroom after a storage, then every hour. The legibility criteria shall be: 1)Hour and minute hands shall be clearly identified (seen and distinguished). 2)The 12 oclock direction on the dial shall be clearly identified (
33、seen and distinguished). The legibility limit shall comply with the luminous intensity measured by ncd specified in d), e) and f) of 3.2.1 of ISO 3157:1991 after the prescribed time. Throughout the test periods b) and c), the ambient temperature shall be and the relative humidity shall be . Legibili
34、ty can depend on visual acuity of the inspector. In this case, a photometer shall be used for the measurement. It is recommended that the inspector enter the dark room at least before attempting the visual inspection. Recommended distances necessary for visual inspection are for watches, for table c
35、locks and for wall clocks. 4.2.3Adhesion Adhesion of the photoluminescent deposit on the components shall be checked through visual inspections before and after the test to be run according to 4.5.1 and 4.5.2 of ISO 3157:1991. There shall be no cracks, damages, breakage or exfoliation in the photolu
36、minescent deposit. NOTEThe adhesive tape test described in ASTM D3359-97 is often used as a practical adhesion test. 4.2.4Test on empty cavities The tests defined in 4.1.4 and 4.1.5 may be used in some specific cases, particularly when the photoluminescent deposits fill empty cavities. 10 % 8 h 200
37、lx30 min 400 lx20 min 3 h (232) C (5015)% 10 min 25 cm50 cm 150 cm BS ISO 17514:2004 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:40:15 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 4 Annex A (informative) Test report The test report should include at least the following information: a)ide
38、ntification of the sample, including origin, date of receipt and form; b)sampling method; c)reference to this International Standard; d)measurement values and observations; e)any deviation from the test procedures, if necessary; f)any unusual events observed during the inspection; g)date of the test
39、; h)signature of the operator. BS ISO 17514:2004 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 08:40:15 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 5 Bibliography 1ASTM D3359-97, Standard test methods for measuring adhesion by tape test BS ISO 17514:2004 Licensed Copy: sheffieldun sheffieldu
40、n, na, Mon Nov 27 08:40:15 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 17514:2004 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at t
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