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Figure 1 X{,{,{,13@c$3!+X  T +9 E/ECE/324 )Rev.1/Add.56/Rev.1 E/ECE/TRANS/505 ) Regulation No.57  s4X2page   9+ С    s42BRegulation No. 57ă 6UNIFORM PROVISIONS CONCERNING THE APPROVAL OF HEADLAMPS hFOR MOTOR CYCLES AND VEHICLES TREATED AS SUCH !CONTENTS  s4@2`m"#Pageă +b >uQ!+j U"r"#` ++REGULATION  s4` 2J1.ScopeZU"U"J1##5  s4 2J2.DefinitionsZU"U"J1##5  s4 2J3.Application for approval of a headlampZU"U"J1##6  s42J4.MarkingsZU"U"J1##7  s42J5.ApprovalZU"U"J1##8  s402J6.General specificationsZU"U"J1##9  s42J7.Special specificationsZU"U"J"#10  s4P2J8.Provisions concerning coloured lenses and filtersZU"U"J"#10  s42J9.Transitional provisionsZU"U"J"#11  s4p2J10.Conformity of productionZU"U"J"#12  s42J11.Penalties for nonconformity of productionZU"U"J"#13  s42J12.Modification and extension of approval of a type of headlampZU"U"J"#14  s4 2J13.Production definitely discontinuedZU"U"J"#14  s42J14.Names and addresses of technical services responsible for  s4x2Jconducting approval tests, and of administrative departmentsZU"U"J"#14 +j U"r"#` +W  U"#b++ ANNEXES:  s4!2WWAnnex 1   9Communication concerning the approval or extension or# WW   9refusal or withdrawal of approval or production WW   9definitely discontinued of a type of headlamp pursuant WW   9to Regulation No.57ZU"U"J"#15  s4%2WWAnnex 2   9Arrangements of approval marksZU"U"J"#17# ƃ GE.9523706 (E)"'{,'{,g."Ԍ s42~\[E/ECE/324 )Rev.1/Add.56/Rev.1 E/ECE/TRANS/505) Regulation No.57  s4X2page ~CONTENTS (continued)  s42`m"#Page  s4X2  s4 2WWAnnex 3   9Photometric testsZU"U"J"#19# ƃ  s42WWAnnex 4   9Tests for stability of photometric performance of# WW   9headlamps in operationZU"U"J"#21  s42WWAnnex 5   9Minimum requirements for conformity of production# WW   9control proceduresZU"U"J"#26  s4` 2WWAnnex 6   9Requirements for lamps incorporating lenses of# WW   9plastic material testing of lens or material WW   9samples and of complete lampsZU"U"J"#29  s4 2+W  U"#b+W  U"# ++WW   9Appendix 1 Chronological order of approval tests#  s4H 2WW   9Appendix 2 Method of measurement of the diffusion# WW   9and transmission of light  s42WW   9Appendix 3 Spray testing method#  s42WW   9Appendix 4 Adhesive tape adherence test#  s402WWAnnex 7   9Minimum requirements for sampling by an inspectorZU"U"J"#43# ƃ  s420 ă "{,'(gp"  s42+W  U"# +b >uQ!++BRegulation No. 57ă 6UNIFORM PROVISIONS CONCERNING THE APPROVAL OF HEADLAMPS hFOR MOTOR CYCLES AND VEHICLES TREATED AS SUCH  s42+b >uQ!+ ++1. 2SCOPE#  2 2This Regulation applies to the approval of headlamps using filament lamps and incorporating lenses of glass or plastic material*, which are provided for the equipment of motor cycles and vehicles treated as such.#  s4` 22. 2DEFINITIONS#  2For the purpose of this Regulation,#  s4 22.1. 2"Lens" means the outermost component of the headlamp (unit) which transmits light through the illuminating surface;#  s422.2. 2"Coating" means any product or products applied in one or more layers to the outer face of a lens;#  s4022.3. 2Headlamps of different "types" are headlamps which differ in such essential respects as:#  s422.3.1. 2the trade name or mark;#  s422.3.2. 2marking of the headlamp as defined in paragraph 4.1.4 below;#  s422.3.3. 2the characteristics of the optical system;#  s4822.3.4. 2the inclusion or the suppression of components capable of altering the optical effects by reflection, refraction or absorption and/or deformation during operation. A change in the colour of the beams emitted by headlamps whose other characteristics are not changed does not constitute a change of headlamp type. The same approval number shall accordingly be assigned to such headlamps.#  s4x22.3.5. 2the materials constituting the lenses and coating, if any.#  s4!2  * Nothing in this Regulation shall prevent a Party to the Agreement applying this Regulation from prohibiting the combination of a headlamp incorporating a lens of plastic material approved under this Regulation with a mechanical headlamp-cleaning device (with wipers). "H&{,'(g-"  s423. 2APPLICATION FOR APPROVAL OF A HEADLAMPmS s472ԍ Application for approval of a filament lamp, see Regulation No.37.m#  s423.1. The application for approval shall be submitted by the owner of the trade name or mark or by his duly accredited representative.#  s423.2. Every application for approval shall be accompanied by:#  s4x23.2.1. drawings in triplicate in sufficient detail to permit identification of the type and representing a frontal view of the headlamp, with details of lens ribbing if any, and the cross-section; the drawings shall indicate the space reserved for the approval mark;#  s4( 23.2.2. a brief technical description stating, in particular, the category or categories of the filament lamp provided (see annex3, paragraph6, to this Regulation);#  s4H 23.2.3. two samples of the type of headlamp with colourless lenses;7H 7S s4A2ԍ If it is intended to manufacture the headlamps with coloured lenses, two samples of coloured lenses shall be submitted in addition for testing of the colour only.#  s423.2.4. for the test of plastic material of which the lenses are made:#  s4h23.2.4.1. thirteen lenses;#  s423.2.4.1.1. six of these lenses may be replaced by six samples of material at least 60 x 80 mm in size, having a flat or convex outer surface and a substantially flat area (radius of curvature not less than 300 mm) in the middle measuring at least 15 x 15 mm;#  s423.2.4.1.2. every such lens or sample of material shall be produced by the method to be used in mass production;#  s4823.2.4.2. a reflector to which the lenses can be fitted in accordance with the manufacturer's instructions.#  s423.3. The materials making up the lenses and coatings, if any, shall be accompanied by the test report of the characteristics of these materials and coatings if they have already been tested.#  s423.4. The competent authority shall verify the existence of satisfactory arrangements for ensuring effective control of the conformity of production before type approval is granted.# " {,'(gp&"Ԍ s424. MARKINGS#  s424.1. Headlamps submitted for approval shall clearly, legibly and indelibly bear the following inscriptions:#   s424.1.1. the trade name or mark of the applicant;#  s4x24.1.2. externally and/or on the lens the indication of the exterior marking of the headlamp, visible when the headlamp is installed on the vehicle.#  All units meeting the requirements of this Regulation which are so designed that the filament of the passing beam shall not be lit simultaneously with that of any other lighting function with which it may be reciprocally incorporated shall be marked with an oblique stroke (/) placed behind the passing lamp symbol in the approval mark.#  s=P4.1.3. on the back of the headlamp the indication of the S1 and/or S2 category of the admitted filament lamp;#  s4s24.1.4. the markings are listed in the following table:# O ddx ! ddx O    l ":H Exterior marking of the headlampsl"[Indication of the category of filament lamp [  l "bMBk|" s=PXS1[ K  "bMBh" s=PXS2K[ v  "bMB|" s=9PS1/S2[   s424.1.5. On headlamps incorporating a lens of plastic material, the group of letters "PL" shall be affixed near the symbol prescribed in paragraphs 4.1.2. and 4.1.4. above;#  s424.2. Moreover, they shall comprise, on the lens and on the main  s42body,7 s42ԍ The reflector is being considered as main body. If the lens cannot be detached from the main body of the headlamp, a space on the lens shall be sufficient. spaces of sufficient size for the approval mark and theadditional symbols referred to in paragraph 4; these spacesshall be indicated on the drawings referred to in paragraph 3.2.1. above.# " {,'(gL'X"Ԍ s42 } x5. APPROVAL#  s425.1. If all the samples of a type of headlamp submitted pursuant to paragraph 3 above satisfy the requirements of this Regulation, approval shall be granted.#  s42x5.2. An approval number shall be assigned to each type approved. Its first two digits (at present 01 corresponding to the 01 series of amendments which entered into force on 28February1989) shall indicate the series of amendments incorporating the most recent major technical amendments made to the Regulation at the time of issue of the approval. The same Contracting Party shall not assign the same number to another type of headlamp, except in the case of an extension of the approval to a headlamp differing only in the colour of the light emitted.#  s4 25.3. Notice of approval or of extension or refusal of approval of a type of headlamp pursuant to this Regulation shall be communicated to the Parties to the 1958 Agreement applying this Regulation, by means of a form conforming to the model in annex1 to this Regulation.#  s4025.4. Every headlamp conforming to a type approved under this Regulation shall bear in the spaces referred to in paragraph4.2. above, in addition to the markings prescribed in paragraph 4.1.:#  s425.4.1. an international approval markL s4O2ԍ If different types of headlamps have an identical lens or an identical reflector, the lens and the reflector may bear the various approval marks of these types of headlamps, on condition that the approval number granted for the specific type submitted can be identified without ambiguity. L consisting of:#  s425.4.1.1. a circle surrounding the letter "E" followed by the distinguishing number of the country which has granted  s482approval; 8 s42ԍ 1 for Germany, 2 for France, 3 for Italy, 4 for the Netherlands, 5 for Sweden, 6 for Belgium, 7 for Hungary, 8 for the CzechRepublic, 9 for Spain, 10for Yugoslavia, 11 for the United Kingdom, 12 for Austria, 13 for Luxembourg, 14 for Switzerland, 15 (vacant), 16 for Norway, 17 for Finland, 18for Denmark, 19 for Romania, 20 for Poland, 21 for Portugal, 22 for the Russian Federation, 23 for Greece, 24 (vacant), 25 for Croatia, 26 for Slovenia, 27 for Slovakia, 28 for Belarus and 29 for Estonia. Subsequent numbers shall be assigned to other countries in the chronological order in which they ratify or accede to the Agreement concerning the Adoption of Uniform Conditions of Approval and Reciprocal Recognition of Approval for Motor Vehicle Equipment and Parts, and the number thus assigned shall be communicated by the Secretary-General of the UnitedNations to the Contracting Parties to the Agreement.# "8o/*+gX"  s425.4.1.2. an approval number.#  s4 25.4.2. In every case the relevant operating mode used during the test procedure according to paragraph 1.1.1.1. of annex 4 and the allowed voltage(s) according to paragraph 1.1.1.2. of annex 4 shall be stipulated on the approval certificates and on the notice transmitted to the countries which are Contracting Parties to the Agreement and which apply this Regulation.#  In the corresponding cases the device shall be marked as follows:#  On units meeting the requirements of this Regulation which are so designed that the filament of the passing beam shall not be lit simultaneously with that of any other lighting function with which it may be reciprocally incorporated, an oblique stroke (/) shall be placed behind the passing beam symbol in approval mark.#  s425.5. The markings according to paragraph5.4. shall be clearly legible and indelible.#  s425.6. Annex2 to this Regulation gives an example of the arrangement of the approval mark.#  s4P26. GENERAL SPECIFICATIONS#  s426.1. Each sample of a type of headlamp shall conform to the specifications set forth in this paragraph and in paragraph7 below and, if necessary, to those set forth in paragraph8.#  s426.2. Headlamps shall be so designed and constructed that, in normal use, despite the vibrations to which they may be subjected, their satisfactory operation continues to be ensured and they retain the characteristics prescribed by this Regulation.#  s426.2.1. Headlamps shall be fitted with a device enabling them to be so adjusted on the vehicles as to comply with the rules applicable to them. Such device need not be fitted on components in which the reflector and the diffusing lens cannot be separated, provided the use of such components is confined to vehicles on which the headlamps setting can be adjusted by other means. #  Where a headlamp providing a driving beam and a headlamp providing a passing beam, each equipped with its own lamp, are assembled to form a composite unit the adjusting device shall enable each optical system individually to be duly adjusted. #  s4H&26.2.2. However, these provisions shall not apply to headlamp assemblies whose reflectors are indivisible. For this type of assembly the requirements of paragraph 7.3. of the present Regulation shall"'o/*+g/X" +apply. Where more than one light source is used to provide the main beam, the combined functions shall be used to determine the  s=Pmaximum value of the illumination (Emax).# +  s4+26.3. The parts intended for holding the filament lamp in the reflector shall be so made that, even in darkness, the filament lamp can be mounted in no other position than the correct one.#  s4K26.4. Complementary tests shall be done according to the requirements of annex 4 to ensure that in use there is no excessive change in photometric performance.#  s4k 26.5. If the lens of the headlamp is of plastic material, tests shall be done according to the requirements of annex6.#  s4 27. SPECIAL SPECIFICATIONS#  s4S 27.1. The correct position of the lens in relation to the optical system shall be unequivocally marked and be locked against rotation in service.#  s4s27.2. For the measurement of the illumination produced by the headlamp, a measuring screen as described in annex3 of this  s=PRegulation and a standard filament lamp (S1 and/or S2, Regulation No.37) with a smooth and colourless bulb shall be used.#  The standard filament lamp shall be adjusted to the applicable reference luminous flux according to values prescribed for these lamps.#  s427.3. The passing beam shall have a cut-off sufficiently sharp in order that satisfactory aiming can practically be achieved with its aid. The "cut-off" must be as straight and horizontal as possible over a range of at least 5$ on either side of the linev-v (see annex3).#  When aimed according to annex3, the headlamps shall meet the requirements specified in it.#  s427.4. The beam pattern shall not present any lateral variations detrimental to good visibility.#  s4 27.5. The illumination of the screen mentioned in paragraph7.2. shall be measured by means of a photoelement having a useful area comprised within a square of 65mm side.#  s4$28. PROVISIONS CONCERNING COLOURED LENSES AND FILTERS#  s4%28.1. Approval may be obtained for headlamps emitting either colourless or selective yellow light with an uncoloured filament # "( o/*+g1X"Ԍ lamp. Expressed in CIE trichromatic coordinates, the corresponding colorimetric characteristics for yellow glasses or filters are as follows:#  s4 2+ + d++ Selective yellow filter (screen or lens)#  s42  3Limit towards redddy  0.138 + 0.58 x  s4@2  3Limit towards greenddy  1.29 x 0.1  s42  3Limit towards whiteddy  x + 0.966  s4` 2  3Limit towards spectral valueddy  x + 0.992  which can also be expressed as follows:#  s4 2  3dominant wave-lengthdd575 585 n m  s42  3purity factordd0.90 0.98  s42  3The transmission factor must be 9dd0.78#d  The transmission factor shall be determined by using a light source with a colour temperature of 2,856K. (Corresponding to illuminantA of the International Commission on Illumination (CIE)).#  s428.2. The filter must be part of the headlamp, and must be attached to it in such a way that the user cannot remove it either inadvertently or intentionally, with ordinary tools.#  s4828.3. Observation concerning colour#  Since any approval under this Regulation is granted, pursuant to paragraph8.1. above, for a type of headlamp emitting either colourless light or selective yellow light, article3 of the agreement to which the Regulation is annexed shall not prevent the Contracting Parties from prohibiting headlamps emitting a beam of uncoloured or selective yellow light on vehicles registered by them.#  s4 29. TRANSITIONAL PROVISIONS#  s4!29.1. As from the date of entry into force of the 01 series of amendments to this Regulation no Contracting Party applying it shall refuse to grant approvals under this Regulation as amended by the 01 series of amendments.#  s4%29.2. As from 24 months after the date of entry into force mentioned in paragraph 9.1. above, Contracting Parties applying this # "h) o/*+g1X"Ԍ Regulation shall grant approval only if the type of headlamp corresponds to the requirements of this Regulation as amended by the 01 series of amendments.#  s4 29.3. Existing MB-approvals granted under this Regulation before the date mentioned in paragraph 9.2. above shall remain valid.#  However, Contracting Parties applying this Regulation may prohibit the fitting of devices which do not meet the requirements of this Regulation as amended by the 01 series of amendments.#  s4` 29.3.1. On vehicles for which type approval or individual approval is granted more than 24 months after the date of entry into force mentioned in paragraph 9.1. above.#  s4 29.3.2. On vehicles first registered more than 5 years after the date of entry into force mentioned in paragraph 9.1. above.#  s4210. CONFORMITY OF PRODUCTION#  s4h210.1. Headlamps approved under this Regulation shall be so manufactured as to conform to the type approved by meeting the requirements set forth in paragraph7 above.#  s4210.2. In order to verify that the requirements of paragraph10.1. are met, suitable controls of the production shall be carried out.#  s4210.3. The holder of the approval shall in particular:#  s4p210.3.1. ensure the existence of procedures for the effective control of the quality of products;#  s4210.3.2. have access to the control equipment necessary for checking the conformity to each approved type;#  s4 210.3.3. ensure that data of test results are recorded and that related documents shall remain available for a period to be determined in accordance with the administrative service;#  s4@210.3.4. analyse the results of each type of test in order to verify and ensure the stability of the product characteristics, making allowance for variation of an industrial production;#  s4`"210.3.5. ensure that, for each type of product, at least the tests prescribed in annex5 to this Regulation are carried out;#  s4$210.3.6. ensure that any collecting of samples giving evidence of non-conformity with the type of test considered shall give rise # "h) o/*+g1X"Ԍ to another sampling and another test. All the necessary steps shall be taken to reestablish the conformity of the corresponding production.#  s4 210.4. The competent authority which has granted type approval may at any time verify the conformity control methods applicable to each production unit.#  s4@210.4.1. In every inspection, the test books and production survey records shall be presented to the visiting inspector.#  s4210.4.2. The inspector may take samples at random to be tested in the manufacturer's laboratory. The minimum number of samples may be determined in the light of the results of the manufacturer's own checks.#  s4 210.4.3. When the quality level appears unsatisfactory or when it seems necessary to verify the validity of the tests carried out in the application of paragraph10.4.2. above, the inspector shall select samples, to be sent to the technical service which has conducted the type approval tests, using the criteria of annex7.#  s4210.4.4. The competent authority may carry out any test prescribed in this Regulation. These tests will be on samples selected at random without causing distortion of the manufacturer's delivery commitments and in accordance with the criteria of annex 7.#  s4210.4.5. The competent authority shall strive to obtain a frequency of inspection of once every two years. However, this is at the discretion of the competent authority and their confidence in the arrangements for ensuring effective control of the conformity of production. In the case where negative results are recorded, the competent authority shall ensure that all necessary steps are taken to reestablish the conformity of production as rapidly as possible.#  s4210.5. Headlamps with apparent defects are disregarded.#  s4x211. PENALTIES FOR NON-CONFORMITY OF PRODUCTION#  s4 211.1. The approval granted in respect of a type of headlamp pursuant to this Regulation may be withdrawn if the requirements set forth above are not met or if a headlamp bearing the approval mark does not conform to the type approved.#  s4#211.2. If a Contracting Party to the Agreement applying this Regulation withdraws an approval it has previously granted, it shall forthwith so notify the other Contracting Parties applying this Regulation, by means of a communication form conforming to the model in annex 1 to this Regulation.# "0* o/*+g2X"Ԍ s4212. MODIFICATION AND EXTENSION OF APPROVAL OF A TYPE OF HEADLAMP#  s4212.1. Every modification of the type of headlamp shall be notified to the administrative department which approved the type of headlamp. The department may then either:#  s4212.1.1. Consider that the modifications made are unlikely to have an appreciable adverse effect and that in any case the headlamp still complies with the requirements; or #  s4212.1.2. Require a further test report from the technical service responsible for conducting the tests.#  s4( 212.2. Confirmation or refusal of approval, specifying the alterations shall be communicated by the procedure specified in paragraph5.3 above to the Parties to the Agreement applying this Regulation.#  s4212.3. The competent authority issuing the extension of approval shall assign a series number for such an extension and inform thereof the other Parties to the 1958 Agreement applying this Regulation by means of a communication form conforming to the model in annex 1 to this Regulation.#  s4213. PRODUCTION DEFINITELY DISCONTINUED#  If the holder of the approval completely ceases to manufacture a type of headlamp approved in accordance with this Regulation, he shall so inform the authority which granted the approval. Upon receiving the relevant communication that authority shall inform thereof the other Parties to the 1958 Agreement applying this Regulation by means of a communication form conforming to the model in annex 1 to this Regulation.#  s4214. NAMES AND ADDRESSES OF TECHNICAL SERVICES RESPONSIBLE FOR CONDUCTING APPROVAL TESTS AND OF ADMINISTRATIVE DEPARTMENTS#  The Parties to the 1958 Agreement applying this Regulation shall communicate to the United Nations Secretariat the names and addresses of the technical services responsible for conducting approval tests and of the administrative departments which grant approval and to which forms certifying approval or extension or refusal or withdrawal of approval, issued in other countries, are to be sent.#  s4#2 ă "$ o/*+g,X"  s42l\O+ d+P++2E/ECE/324 )Rev.1/Add.56/Rev.1 2E/ECE/TRANS/505) 2Regulation No. 57 2page  2Annex 1 lk OqE/ECE/324 )Rev.1/Add.56/Rev.1 E/ECE/TRANS/505) Regulation No. 57 page  Annex 1 k+ d+b >uQ!++6Annex 1ă yA9 q o ddjy [(maximum format: A4 (210 x 297 mm)) COMMUNICATION `Q#;Issued by: Name of administration: `# ....................... `#....................... `#.......................  s4 2concerning: 2/ APPROVAL GRANTED bb APPROVAL EXTENDED bb APPROVAL REFUSED bb APPROVAL WITHDRAWN bb PRODUCTION DEFINITELY DISCONTINUED of a type of headlamp pursuant to Regulation No. 57 Approval No. ... Extension No. ...  s4P21.bbTrade name or mark of the headlamp: .....................................  s422.bbManufacturer's name for the type of headlamp: ...........................  s4p23.bbManufacturer's name and address: ........................................  s424.bbIf applicable, name and address of the manufacturer's bbrepresentative: .........................................................  s4X25.bbSubmitted for approval on: ..............................................  s426.bbTechnical service responsible for conducting approval tests: ............  s4x27.bbDate of report issued by that service: ..................................  s4 28.bbNumber of report issued by that service: ................................  s4!29.bbConcise description: 7bb- Category as described by the relevant marking:#b  s4#2bb MB, MB/ , MB PL, MB/PL 2/  s=%P7bb- Category of filament lamp: S1, S2, S1/S2 2/,#b  s4S&27bb7 Colour of light emitted: white/selective yellow 2/#  s4'210.bbPosition of the approval mark: .......................................... X(o/**//0X3@Lq A9 jXԌ s4211.bbReason(s) for extension (if applicable): ............................... bb.........................................................................  s4X212.bbApproval granted/refused, extended/withdrawn: 2/ ........................  s4213.bbPlace: ..................................................................  s4x214.7bbDate: ...................................................................#b  s4215.bbSignature: ..............................................................  s424416.7bbThe list of documents deposited with the Administrative Service which has granted approval is annexed to this communication and may be obtained on request.#b  s4 2 ă  s4 2 (    s4"2bb1/ Distinguishing number of the country which has granted/extended/refused/withdrawn approval (see approval provisions in the Regulation).  s4&2bb2/ Strike out what does not apply."&o/**//)X"  s42lORY~+b >uQ!+P++2E/ECE/324 )Rev.1/Add.56/Rev.1 2E/ECE/TRANS/505) 2Regulation No. 57 2page  2Annex 2 lkOSY~E/ECE/324 )Rev.1/Add.56/Rev.1 E/ECE/TRANS/505) Regulation No. 57 page  Annex 2 k6Annex 2ă yARRANGEMENTS OF APPROVAL MARKS ya (_ ( 8bdd y bbThe headlamp bearing the above approval mark has been approved in the Netherlands (E 4) under approval number 012439. The approval number indicates that the approval was granted in accordance with the requirements of this Regulation as amended by the 01 series of amendments.  s42Note bbThe approval number must be placed close to the circle and either above or below the "E" or to left or right of that letter. The digits of the approval number must be on the same side of the "E" and face in the same direction. The use of Roman numerals as approval numbers should be avoided so as to prevent any confusion with other symbols. 7bb7 Identification of a headlamp meeting the requirements of# 7bb7 Regulation No. 57. The headlamp is so designed, that the# 7bb7 filament of the passing beam#  s4 2bbcan be lit together>> shall not be lit together 7bb7 simultaneously with driving beam and/or another reciprocally incorporated lighting function.# X(#o/**//0*X3@` $a(_ X y0  Aw dd>0 y bbThe headlamp bearing the above approval mark is a headlamp incorporating a lens of plastic material which has been approved in the Netherlands (E 4) under approval number of 01 2440. The approval number indicates that the approval was granted in accordance with the requirements of this Regulation, as amended by the 01 series of amendments. bbIt is so designed, that the filament of the passing beam can be lit together simultaneously with the driving beam and/or another reciprocally incorporated lighting function.  s4P2 ă Xo/**//0X3@Af >X  s42lRYp_~+b >uQ!+P++2E/ECE/324 )Rev.1/Add.56/Rev.1 2E/ECE/TRANS/505) 2Regulation No. 57 2page  2Annex 3 lkSYq_~E/ECE/324 )Rev.1/Add.56/Rev.1 E/ECE/TRANS/505) Regulation No. 57 page  Annex 3 k+b >uQ!+ mP!++6Annex 3ă BPHOTOMETRIC TESTS  s4 21. For aiming, the aiming screen shall be located at a distance of at least 10m in front of the headlamp, the hh line shall be horizontal. For measurement, the photoelement shall be located at a distance of 25m in front of the headlamp and perpendicular to the line joining the filament of the filament lamp and the point HV.#  s422. Laterally, the headlamp shall be so aimed that the beam centre  s4` 2of the driving beam is on the vertical line vv.#  s4 23. Vertically, the headlamp shall be so aimed that the "cutoff" of the passing beam is situated 250 mm below the line hh.#  s4H 24. The headlamp when aimed according to paragraphs 2 and 3 above,  s42similar to the conditions of the driving beam, shall meet the following conditions:#  s4h24.1. the luminous centre of the driving beam shall be situated not more than 0.6$ above or below the line hh.#  s424.2. the illumination of the drivingbeam shall attain its maximum value E max. in the centre of the entire beam pattern and decrease laterally;#  s424.3. the maximum illumination (E max) of the driving beam shall be at least 32 lux;#  s4824.3.1. 32 lux for class MB headlamps;#  s424.4. the illumination produced by the driving beam shall meet the following values:#  s4 24.4.1. the point of intersection (HV) of lines hh and vv shall be situated within the isolux 90 per cent of maximum illumination;#  s4x24.4.2. starting from point HV, horizontally to the right and left, the illumination of the driving beam shall be not less than 12lux for class MBheadlamps up to a distance of 1.125m and not less than 3 lux to a distance of 2.25 m.# "`"o/**//@)X"  s424.5. the illumination produced by the passing beam shall meet the following values:# J ! ddx  A ddxX ] J [ P  | "Measuring point| Class MB headlampP P X Any point on and above the line hh|   0.7 luxP P  Any point on the line 50L50R except 50 V*H|   1.5 luxP P  Point 50 V|   3 luxP P H Any point on the line 25L25R|   3 luxP `   |  Any point in zone IVH    1.5 lux`    s4 2  * intensity 50 R = 0.25 minimum.#  s4 2  50 V5  s4h 25. MEASURING AND AIMING SCREEN  (dimensions in mm for 25 m distance) y822^= #dd8y  s=( P6. For the filament lamps, categories S1 or S2 according to RegulationNo. 37 shall be used.#  s4"2 ă XS#o/**//)< 3@j$&2X  s42lp_"h+ mP!+P++2E/ECE/324 )Rev.1/Add.56/Rev.1 2E/ECE/TRANS/505) 2Regulation No. 57 2page  2Annex 4 lkq_#hE/ECE/324 )Rev.1/Add.56/Rev.1 E/ECE/TRANS/505) Regulation No. 57 page  Annex 4 k6Annex 4ă )TESTS FOR STABILITY OF PHOTOMETRIC PERFORMANCE OF HEADLAMPS IN OPERATION TESTS ON COMPLETE HEADLAMPS + mP!+b >uQ!++bbOnce the photometric values have been measured according to the  s=@Pprescriptions of this Regulation, in points for Emax for driving beam and HV, 50 R, 50 L, B 50 for passing beam a complete headlamp sample shall be tested for stability of photometric performance in operation. 'Complete headlamp' shall be understood to mean the complete lamp itself including those surrounding body parts and lamps which could influence its thermal dissipation.  s4 2+b >uQ!+ ++1. TEST FOR STABILITY OF PHOTOMETRIC PERFORMANCE  The tests shall be carried out in a dry and still atmosphere at  s4S 2an ambient temperature of 23$C + 5$C, the complete headlamps being mounted on a base representing the correct installation on the vehicle.#  s4s21.1.  Clean headlamp#  The headlamp shall be operated for 12 hours as described in subparagraph 1.1.1. and checked as prescribed in subparagraph1.1.2.#  s4#21.1.1.  Test procedure#  The headlamp shall be operated for a period according to the specified time, so that:#  s4 21.1.1.1. (a) in the case where only one lighting function (driving or passing beam) is to be approved, the corresponding filament is lit for  s42the prescribed time, 2/#  s4+2 (b) in the case of a reciprocally incorporated passing lamp and driving lamp (dual filament lamp or two filament lamps):#  s42 .  If the applicant declares that the headlamp is to be used with a  s4K2single filament lit 7KbJ s4!2ԍ Should two or more lamp filaments be simultaneously lit when headlamp flashing is used, this shall not be considered as being normal use of the filaments simultaneously. at a time, the test shall be carried out # "!o/**//x(< "Ԍ s42 in accordance with this condition, activating obJ s472ԍ When the tested headlamp is grouped and/or reciprocally incorporated with signalling lamps, the latter shall be lit for the duration of the test. each specified function successively for half the time specified in paragraph 1.1.:#  s4 2 . In all other cases 1/ 2/, the headlamp, shall be subjected to the following cycle until the time specified is reached:#      15 minutes, passing-beam filament lit#       5 minutes, all filaments lit.#   s42 (c) in the case of grouped lighting functions all the individual functions shall be lit simultaneously for the time specified for individual lighting functions (a) also taking into account the use of reciprocally incorporated lighting functions (b), according to the manufacturer's specifications.#  s4 21.1.1.2. Test voltage    The voltage shall be adjusted so as to supply 90% of the maximum wattage specified for filament lamps of category S in the Regulation No. 37.#    The applied wattage shall in all cases comply with the corresponding value of a filament lamp of 12 V rated voltage, except if the applicant for approval specifies that the headlamp may be used at a different voltage.#  s421.1.2.  Test results  s421.1.2.1. Visual inspection#    Once the headlamp has been stabilized to the ambient temperature, the headlamp lens and the external lens, if any, shall be cleaned with a clean, damp cotton cloth. It shall then be inspected visually; no distortion, deformation, cracking or change in colour of either the headlamp lens or the external lens, if any, shall be noticeable.#  s421.1.2.2. Photometric test    To comply with the requirements of this Regulation, the photometric values shall be verified in the following points:#   Passing beam:   50 R, 50 L, B 50 HV "H&o/**//-< "Ԍ    Driving beam:  s=P  Point of Emax    Another aiming may be carried out to allow for any deformation of the headlamp base due to heat (the change of the position of the cut-off line is covered in paragraph 2 of this annex).#    A 10% discrepancy between the photometric characteristics and the values measured prior to the test is permissible including the tolerances of the photometric procedure.#  s4k 21.2.  Dirty headlamp    After being tested as specified in subparagraph 1.1. above, the headlamp shall be operated for one hour as described in subparagraph 1.1.1., after being prepared as prescribed in subparagraph 1.2.1., and checked as prescribed in subparagraph1.1.2.#  s421.2.1.  Preparation of the headlamp  s4;21.2.1.1. Test mixture    The mixture of water and a polluting agent to be applied to the headlamp shall be composed of nine parts (by weight) of silica sand with a grain size distributed between 0 and 100 % m, one part (by weight) of vegetal carbon dust of a grain size  s42distributed between 0 and 100 % m, 0.2 part (by weight) of NaCMC X s4"2ԍ NaCMC represents the sodium salt of carboxymethylcellulose, customarily referred to as CMC. The NaCMC used in the dirt mixture shall have a degree of substitution (DS) of 0.60.7 and a viscosity of 200300 cP for a 2% solution at 20$C. and an appropriate quantity of distilled water, the conductivity of which is lower than 1 mS/m for the purpose of this test.#    The mixture must not be more than 14 days old.#  s421.2.1.2.  Application of the test mixture to the headlamp#    The test mixture shall be uniformly applied to the entire light emitting surface of the headlamp and then left to dry. This procedure shall be repeated until the illumination value has dropped to 15-20% of the values measured for each following point under the conditions described in this annex:#  s= P   Point of Emax in driving beam, photometric distribution for a driving/passing lamp,# "v".+)+))< "Ԍ s=P   Point of Emax in driving beam, photometric distribution for a driving lamp only,#  s4c2   B 50 and 50 V ocX s42ԍ 50 V is situated 375 mm below HV on the vertical line vv on the screen at 25 m distance. for a passing lamp only.#  s421.2.1.3. Measuring equipment#    The measuring equipment shall be equivalent to that used during headlamp approval tests. A standard (reference) filament lamp shall be used for the photometric verification.#  s42x2.   TEST FOR CHANGE IN VERTICAL POSITION OF THE CUT-OFF LINE UNDER THE INFLUENCE OF HEAT#  This test consists of verifying that the vertical drift of the cut-off line under the influence of heat does not exceed a specified value for an operating passing lamp.# x  The headlamp tested in accordance with paragraph 1., shall be subjected to the test described in 2.1., without being removed from or readjusted in relation to its test fixture.#  s4;22.1. Test  The test shall be carried out in a dry and still atmosphere at  s42an ambient temperature of 23$C + 5$C.#  Using a mass production filament lamp which has been aged for at least one hour the headlamp shall be operated on passing beam without being dismounted from or readjusted in relation to its test fixture. (For the purpose of this test, the voltage shall be adjusted as specified in paragraph 1.1.1.2.). The position of the cut-off line in its horizontal part (between the vertical lines passing through point 50 L and 50 R) shall be verified 3  s=Pminutes (r3) and 60 minutes (r60) respectively after operation.#  The measurement of the variation in the cut-off line position as described above shall be carried out by any method giving acceptable accuracy and reproducible results.#  s4V22.2.  Test results  s4 22.2.1. The result in milliradians (mrad) shall be considered as acceptable for a passing lamp, only when the absolute value #  s=v"P  rI = (r3 - r60) recorded on the headlamp is not more than  s=I#P1.0mrad ( rI  1.0 mrad).# "$.+)+)+< "Ԍ s422.2.2. However, if this value is more than 1.0 mrad but not more than  s=P1.5 mrad (1.0 mrad <  rI  1.5 mrad) a second headlamp shall be tested as described in 2.1 after being subjected three consecutive times to the cycle as described below, in order to stabilize the position of mechanical parts of the headlamp on a base representative of the correct installation on the vehicle:#   Operation of the passing lamp for one hour, (the voltage shall be adjusted as specified in paragraph 1.1.1.2.),#   Period of rest for one hour.#   The headlamp type shall be considered as acceptable if the mean#  s=3 P  value of the absolute values  rI measured on the first sample  s= P  and  rII measured on the second sample is not more than 1.0 mrad:#   !2 Gdddddddddz<({  r sub I~ +~  r sub II} over 2~~ <=~~ 1.0~ mrad) d6X@8;@d6X@8;@d6X@8;@(.21.N0)rookIroo_IImrad $++##i ++SS!!S$ "!S "!S $!S  s42++SS++## ăX.+)+)(< 3S/!X  s42l"hX+ +P++2E/ECE/324 )Rev.1/Add.56/Rev.1 2E/ECE/TRANS/505) 2Regulation No. 57 2page  2Annex 5 lk#hXE/ECE/324 )Rev.1/Add.56/Rev.1 E/ECE/TRANS/505) Regulation No. 57 page  Annex 5 k6Annex 5ă LMINIMUM REQUIREMENTS FOR CONFORMITY OF PRODUCTION CONTROL PROCEDURES  s4 21.  GENERAL#  s421.1.  The conformity requirements shall be considered satisfied from a mechanical and geometric standpoint, if the differences do not exceed inevitable manufacturing deviations within the requirements of this Regulation.#  s421.2.  With respect to photometric performances, the conformity of massproduced headlamps shall not be contested if, when testing photometric performances of any headlamp chosen at random and equipped with a standard filament lamp:#  s4 21.2.1. no measured value deviates unfavourably by more than 20% from the values prescribed in this Regulation. For value in zone III, the maximum unfavourable deviation may be respectively:#    0.3 lux equivalent 20%#     0.45 lux equivalent 30%     s421.2.2. and if for the driving beam, HV being situated within the isolux  s=P0.75 Emax, a tolerance of + 20% for maximum values and 20% for minimum values is observed for the photometric values at any measuring point specified in Annex 3, paragraphs 4.3 and 4.4 of this Regulation.#  s421.2.3. If the results of the tests described above do not meet the requirements, tests on the headlamp shall be repeated, using another standard filament lamp.#  s421.3.  With respect to the verification of the change in vertical position of the cutoff line under the influence of heat, the following procedure shall be applied:#   One of the sampled headlamps shall be tested according to the procedure described in paragraph 2.1. of Annex4 after being subjected three consecutive times to the cycle described in paragraph2.2.2. of Annex4.#   The headlamp shall be considered as acceptable if r does not exceed 1.5mrad.#   If this value exceeds 1.5mrad but is not more than 2.0mrad, a second headlamp shall be subjected to the test, after which the mean of the absolute values recorded on both samples shall not exceed 1.5mrad.# "S&.+)+).< "Ԍ s421.4.  The chromaticity coordinates shall be complied with when the headlamp is equipped with a filament lamp set to StandardA colour temperature.#   The photometric performance of a headlamp emitting selective yellow light when equipped with a colourless filament lamp shall be the values contained in this Regulation multiplied by0.84.#  s4@22.  MINIMUM REQUIREMENTS FOR VERIFICATION OF CONFORMITY BY THE MANUFACTURER#   For each type of headlamp the holder of the approval mark shall carry out at least the following tests, at appropriate intervals. The tests shall be carried out in accordance with the provisions of this Regulation.#   If any sampling shows nonconformity with regard to the type of test concerned, further samples shall be taken and tested. The manufacturer shall take steps to ensure the conformity of the production concerned.#  s4h22.1.  Nature of tests#   Tests of conformity in this Regulation shall cover the photometric characteristics and the verification of the change in vertical position of the cutoff line under the influence of heat.#  s422.2.  Methods used in tests#  s4p22.2.1. Tests shall generally be carried out in accordance with the methods set out in this Regulation.#  s422.2.2. In any test of conformity carried out by the manufacturer, equivalent methods may be used with the consent of the competent authority responsible for approval tests. The manufacturer is responsible for proving that the applied methods are equivalent to those laid down in this Regulation.#  s4x22.2.3. The application of paragraphs 2.2.1. and 2.2.2. requires regular calibration of test apparatus and its correlation with measurements made by a competent authority.#  s4!22.2.4. In all cases, the reference methods shall be those of this Regulation, particularly for the purpose of administrative verification and sampling.# "#.+)+) +< "Ԍ s42x2.3.  Nature of sampling#   Samples of headlamps shall be selected at random from the production of a uniform batch. A uniform batch means a set of headlamps of the same type, defined according to the production methods of the manufacturer.# x   The assessment shall in general cover series production from individual factories. However, a manufacturer may group together records concerning the same type from several factories, provided these operate under the same quality system and quality management.#  s4( 22.4.  Measured and recorded photometric characteristics#   The sampled headlamp shall be subjected to photometric measurements at the points provided for in the Regulation, the#  s=H P  reading being limited to points Emax, HV 4X01Í/ Í/+4X01Í/ Í/+7H X s42ԍ When the driving beam is reciprocally incorporated with the passing beam, HV in the case of the driving beam shall be the same measuring point as in the case of the passing beam. , in the case of the driving beam, and to points HV, 50R, 50 L in the case of the passing beam (see figure in Annex3).#  s4s22.5.  Criteria governing acceptability#   The manufacturer is responsible for carrying out a statistical study of the test results and for defining, in agreement with the competent authority, criteria governing the acceptability of his products, in order to meet the specifications laid down for the verification of conformity of products in paragraph10.1. of this Regulation.#   The criteria governing the acceptability shall be such that, with a confidence level of 95%, the minimum probability of passing a spot check in accordance with Annex7 (first sampling) would be 0.95.#  s4c2 ă "k".+)+)h)< "  s42lX+ +P++2E/ECE/324 )Rev.1/Add.56/Rev.1 2E/ECE/TRANS/505) 2Regulation No. 57 2page  2Annex 6 lkXE/ECE/324 )Rev.1/Add.56/Rev.1 E/ECE/TRANS/505) Regulation No. 57 page  Annex 6 k6Annex 6ă REQUIREMENTS FOR LAMPS INCORPORATING LENSES OF PLASTIC MATERIAL r TESTING OF LENS OR MATERIAL SAMPLES AND OF COMPLETE LAMPS  s421.  GENERAL SPECIFICATIONS  s4x21.1. The samples supplied pursuant to paragraph 3.2.4 of this Regulation shall satisfy the specifications indicated in paragraphs 2.1. to 2.5. below.#  s421.2 The two samples of complete lamps supplied pursuant to paragraph3.2.3. of this Regulation and incorporating lenses of plastic material shall, with regard to the lens material, satisfy the specifications indicated in paragraph 2.6. below.#  s4 21.3. The samples of lenses of plastic material or samples of material shall be subjected, with the reflector to which they are intended to be fitted (where applicable), to approval tests in the chronological order indicated in table A reproduced in appendix 1 to this annex.#  s4021.4. However, if the lamp manufacturer can prove that the product has already passed the tests prescribed in paragraphs 2.1.2.5. below, or the equivalent tests pursuant to another Regulation, those tests need not be repeated; only the tests prescribed in appendix 1, table B, shall be mandatory.#  s422.  TESTS  s4p22.1.  Resistance to temperature changes  s422.1.1. Tests  Three new samples (lenses) shall be subjected to five cycles of temperature and humidity (RH = relative humidity) change in accordance with the following programme:#  s42  3 hours at 40$ C + 2$ C and 8595% RH;  s4@2  1 hour at 23$ C + 5$ C and 6075% RH;  s4 2  15 hours at 30$ C + 2$ C;  s4`"2  1 hour at 23$ C + 5$ C and 6075% RH;  s4#2  3 hours at 80$ C + 2$ C;  s4%2  1 hour at 23$ C + 5$ C and 6075% RH;   "'.+)+).< "Ԍ s42 Before this test, the samples shall be kept at 23$ C + 5$ C and 60-75% RH for at least four hours.#  s4X2  Note:+ + ++] ZThe periods of one hour at 23$ C + 5$ C shall include the periods of transition from one temperature to another which are needed in order to avoid thermal shock effects.#  s4x22.1.2. Photometric measurements  s422.1.2.1. Method  Photometric measurements shall be carried out on the samples before and after the test.#  These measurements shall be made using a standard lamp, at the following points:#  B 50 and 50 V for the passing beam of a passing lamp or a passing/driving lamp;#  sCd Emax for the driving beam of a driving lamp or a passing/driving lamp.#  s4 22.1.2.2. Results  The variation between the photometric values measured on each sample before and after the test shall not exceed 10% including the tolerances of the photometric procedure.#  s422.2. Resistance to atmospheric and chemical agents  s4J22.2.1. Resistance to atmospheric agents  Three new samples (lenses or samples of material) shall be exposed to radiation from a source having a spectral energy distribution similar to that of a black body at a temperature between 5,500K and6,000K. Appropriate filters shall be placed between the source and the samples so as to reduce as far as possible radiations with wave lengths smaller than 295 nm and greater than 2,500 nm. The samples shall be exposed to an  s=R2energetic illumination of 1,200W/m2Ġ+Ġ200W/m2 for a period such that the luminous energy that they receive is equal to  s= 24,500MJ/m2Ġ+Ġ200MJ/m2. Within the enclosure, the temperature measured on the black panel placed on a level with the samples  s4"2shall be 50$ C + 5$ C. In order to ensure a regular exposure, the samples shall revolve around the source of radiation at a speed between 1 and 5 1/min.# "8'.+)+)l/< "Ԍ The samples shall be sprayed with distilled water of  s42conductivity lower than 1 mS/m at a temperature of 23$ C + 5$ C, in accordance with the following cycle:#   Zspraying: 5 minutes;   Zdrying: 25 minutes.  s4x22.2.2. Resistance to chemical agents  After the test described in paragraph 2.2.1. above and the measurement described in paragraph 2.2.3.1. below have been carried out, the outer face of the said three samples shall be treated as described in paragraph 2.2.2.2. with the mixture defined in paragraph 2.2.2.1. below.#  s4 22.2.2.1. Test mixture  The test mixture shall be composed of 61.5% nheptane, 12.5%toluene, 7.5% ethyl tetrachloride, 12.5% trichloroethylene and 6% xylene (volume per cent).#  s4h22.2.2.2. Application of the test mixture  Soak a piece of cotton cloth (as per ISO 105) until saturation with the mixture defined in paragraph 2.2.2.1. above and, within 10seconds, apply it for 10 minutes to the outer face of the  s=P2sample at a pressure of 50 N/cm2, corresponding to an effort of 100 N applied on a test surface of 14 x 14 mm.#  During this 10minute period, the cloth pad shall be soaked again with the mixture so that the composition of the liquid applied is continuously identical with that of the test mixture prescribed.#  During the period of application, it is permissible to compensate the pressure applied to the sample in order to prevent it from causing cracks.#  s422.2.2.3. Cleaning  At the end of the application of the test mixture, the samples shall be dried in the open air and then washed with the solution described in paragraph 2.3. (Resistance to detergents)  s4!223$C+Ġ5$C.#  Afterwards the samples shall be carefully rinsed with distilled  s4#2water containing not more than 0.2% impurities at 23$C+Ġ5$C and then wiped off with a soft cloth.# "%.+)+)(-< "Ԍ s422.2.3. Results  s422.2.3.1. After the test of resistance to atmospheric agents, the outer face of the samples shall be free from cracks, scratches, chipping and deformation, and the mean variation in transmission#  g<  t = T2 T3, measured on the three samples according to the  s=P  Z T2  procedure described in appendix 2 to this annex shall not exceed 0.020#  ggP ( tm < 0.020).  s4 22.2.3.2. After the test of resistance to chemical agents, the samples shall not bear any traces of chemical staining likely to cause a variation of flux diffusion, whose mean variation#  g <  d = T5 T4, measured on the three samples according to the  s=P  T2  procedure described in appendix 2 to this annex shall not exceed 0.020#  gZP ( dm < 0.020).  s4v22.3. Resistance to detergents and hydrocarbons  s422.3.1. Resistance to detergents  The outer face of three samples (lenses or samples of material)  s4^2shall be heated to 50$ C + 5$ C and then immersed for five  s4&2minutes in a mixture maintained at 23$ C + 5$ C and composed of 99 parts distilled water containing not more than 0.02% impurities and one part alkylaryl sulphonate.#  At the end of the test, the samples shall be dried #  s42 at 50$ C + 5$ C. The surface of the samples shall be cleaned with a moist cloth.#  s4f22.3.2. Resistance to hydrocarbons  The outer face of these three samples shall then be lightly rubbed for one minute with a cotton cloth soaked in a mixture composed of 70% nheptane and 30% toluene (volume per cent), and shall then be dried in the open air.# "#.+)+))< "Ԍ s422.3.3. Results  After the above two tests have been performed successively, the mean value of the variation in transmission#  g <  t = T2 T3, measured on the three samples according to the  s=tP  T2  procedure described in appendix 2 to this annex shall not exceed 0.010#  gP ( tm < 0.010).  s422.4. Resistance to mechanical deterioration  s4 22.4.1. Mechanical deterioration method  The outer face of the three new samples (lenses) shall be subjected to the uniform mechanical deterioration test by the method described in appendix 3 to this annex.#  s4322.4.2. Results  After this test, the variations:  gS< in transmission:    t = T2 T3,  s=P  T2  gB< and in diffusion:  d = T5 T4,  s=P  Z T2  ] Z#  shall be measured according to the procedure described in appendix2 in the area specified in paragraph 3.2.4.1.1. of this Regulation. The mean value of the three samples shall be such  gPthat:  tm < 0.100;#  gP  Z dm < 0.050.  s422.5. Test of adherence of coatings, if any#  s422.5.1. Preparation of the sample  A surface of 20 mm x 20 mm in area of the coating of a lens shall be cut with a razor blade or a needle into a grid of squares approximately 2 mm x 2 mm. The pressure on the blade or needle shall be sufficient to cut at least the coating.# "9$ .+)+)+< "Ԍ s42x2.5.2. Description of the test  Use an adhesive tape with a force adhesion of 2 N/(cm of width)  s4X2+Ġ20% measured under the standardized conditions specified in appendix 4 to this annex. This adhesive tape, which shall be at least 25 mm wide, shall be pressed for at least five minutes to the xsurface prepared as prescribed in paragraph 2.5.1.#  Then the end of the adhesive tape shall be loaded in such a way that the force of adhesion to the surface considered is balanced by a force perpendicular to that surface. At this stage, the  s42tape shall be torn off at a constant speed of 1.5 m/s + 0.2 m/s.#  s4( 22.5.3. Results  There shall be no appreciable impairment of the gridded area. Impairments at the intersections between squares or at the edges of the cuts shall be permitted, provided that the impaired area does not exceed 15 per cent of the gridded surface.#  s422.6. Tests of the complete lamp incorporating a lens of plastic !!!! s4h2material#  s422.6.1. Resistance to mechanical deterioration of the lens surface  s422.6.1.1. Tests  The lens of lamp sample No. 1 shall be subjected to the test described in paragraph 2.4.1. above.#  s4p22.6.1.2. Results  After the test, the results of photometric measurements carried out on the lamp in accordance with this Regulation shall not exceed by more than 30% the maximum values prescribed at pointB50 and not be more than 10% below the minimum values prescribed at point 50 V.#  s422.6.2. Test of adherence of coatings, if any  The lens of lamp sample No. 2 shall be subjected to the test described in paragraph 2.5. above.#  s4!23. VERIFICATION OF THE CONFORMITY OF PRODUCTION  s4(#23.1. With regard to the materials used for the manufacture of lenses, the lamps of a series shall be recognized as complying with this Regulation if:# "'!.+)+).< "Ԍ s423.1.1. After the test for resistance to chemical agents and the test for resistance to detergents and hydrocarbons, the outer face of the samples exhibits no cracks, chipping or deformation visible to the naked eye (see paras. 2.2.2., 2.3.1. and 2.3.2.);#  s423.1.2. After the test described in paragraph 2.6.1.1., the photometric values at the points of measurement considered in paragraph2.6.1.2. are within the limits prescribed for conformity of production by this Regulation.#  s423.2. If the test results fail to satisfy the requirements, the tests shall be repeated on another sample of headlamps selected at random.# " ".+)+) < "  s42y)W%+ +P++2E/ECE/324 )Rev.1/Add.56/Rev.1 2E/ECE/TRANS/505) 2Regulation No. 57 2page  2Annex 6 Appendix 1 yx*W%E/ECE/324 )Rev.1/Add.56/Rev.1 E/ECE/TRANS/505) Regulation No. 57 page  Annex 6 Appendix 1 x+ +b >uQ!++Annex 6 Appendix 1ă Z VCHRONOLOGICAL ORDER OF APPROVAL TESTS  s4 2A.7bbTests on plastic materials (lenses or samples of material supplied pursuant to paragraph3.2.4. of this Regulation).#b  A ddxX ] a+//vx# ""w"""w"(ww (`     ( FlF #Samples| Lenses or samples of materiall"Lenses*   N x* Fl|F  Testsh"f1|"2|"/3| 4| 5| 6| 7 | 8 | 9 | 10 | 11 | 12| 13"N   " F|lF  1.1* | Limited photometry (para. 2.1.2.) l" l" l"4 l  l  l  l   l   l   l X  l X  l X l "   " FlXF  1.1.10 h Temperature change (para. 2.1.1.) X" X" X"4 X  X  X  X   X   X   X X  X X  X X X "   " 1.1.26h Limited photometry (para. 2.1.2.)X"X"X"4X X X X  X  X  X X X X X XX " >  " FXhF  1.2.1<h Transmission measurement<h"fX<h"X<h"/X<h X<h X<h X<h X <h X <h X <h  <h  <h <h "> > " 1.2.2zh Diffusion measurementzh"fXzh"Xzh"/Xzh zh zh zh X zh X zh X zh  zh  zh zh ">  <" FhXF  1.3h Atmospheric agents (para. 2.2.1.)X"fXX"XX"/XX X X X  X  X  X  X  X X " > z" FXhF  1.3.1h Transmission measurementh"fXh"Xh"/Xh h h h  h  h  h  h  h h ">  " FhXF  1.4h Chemicals agents (para. 2.2.2.)X"fXX"XX"/XX X X X  X  X  X  X  X X " > " FXhF  1.4.1h Diffusion measurementh"fXh"Xh"/Xh h h h  h  h  h  h  h h "> > " 1.5@h Detergents (para. 2.3.1.)@h"@h"@h"4@h X@h X@h X@h  @h  @h  @h  @h  @h @h ">  " FhXF  1.6~h Hydrocarbons (para. 2.3.2.)FX"FX"FX"4FX XFX XFX XFX  FX  FX  FX  FX  FX FX " > @" FXhF  1.6.1h Transmission measurementh"h"h"4h Xh Xh Xh  h  h  h  h  h h ">  F" FhXF  1.7h Deterioration (para. 2.4.1.)X"X"X"4X X X X X X X X X X  X  X X " > " FXhF  1.7.1h Transmission measurementh"h"h"4h h h h X h X h X h  h  h h "> > " 1.7.2!h Diffusion measurement!h"!h"!h"4!h !h !h !h X !h X !h X !h  !h  !h !h "> N  " Fh|F  1.8T"| Adherence (para. 2.5.)T"|"T"|"T"|"4T"| T"| T"| T"|  T"|  T"|  T"|  T"|  T"| T"| XN  !|"T"#.+)+)'4&"  s42B.7bbTests on complete lamps (supplied pursuant to paragraph3.2.3. of this Regulation).#b a+//vx# ""w"""w"(ww  b//vX$b ^ NN  ! | "  ~TestsM|"Complete lampN  N X"h"_Sample No.N N "h"1B|".2N N   2.1|  Deterioration (para. 2.6.1.1.)|"X|"3 N  >B |h  2.2h  Photometry (para. 2.6.1.2.)h"Xh"3 >N  h|  2.3 |  Adherence (para. 2.6.2.) |" |".XN | " $.+)+) ( "  s42y)a`-+b >uQ!+P++2E/ECE/324 )Rev.1/Add.56/Rev.1 2E/ECE/TRANS/505) 2Regulation No. 57 2page  2Annex 6 Appendix 2 yx*b`-E/ECE/324 )Rev.1/Add.56/Rev.1 E/ECE/TRANS/505) Regulation No. 57 page  Annex 6 Appendix 2 x b Annex 6 Appendix 2ă +b >uQ!+ ++ METHOD OF MEASUREMENT OF THE DIFFUSION AND TRANSMISSION OF LIGHT  s4 21. 2EQUIPMENT (see figure)  2The beam of a collimator K with a half divergence#  s=x2 2  Ġ=17.4x10é4Ġrd is limited by a diaphragm DT with an #  z  2 2  s42 2opening of 6mm against which the sample stand is placed.#  s=EP 2A convergent achromatic lens L2, corrected for spherical  s= Paberrations, links the diaphragm DT with the receiver R; the  s= Pdiameter of the lens L2 shall be such that it does not diaphragm the light diffused by the sample in a cone with a half top angle of /2 = 14-.#  g P 2An annular diaphragm DD with angles  o = 1- and  max = 12- is#  r  +s 2 " 2  s=P 2placed in an image focal plane of the lens L2.#  2The nontransparent central part of the diaphragm is necessary in order to eliminate the light arriving directly from the light source. It shall be possible to remove the central part of the diaphragm from the light beam in such a manner that it returns exactly to its original position.#  s=P 2The distance L2 DT and the focal length F2Ġt' s=&P For L2 it is recommended to use a focal distance of about 80mm.t of the lens L2 shall  s=Pbe so chosen that the image of DT completely covers the receiver R.#  2When the initial incident flux is referred to 1,000 units, the absolute precision of each reading shall be better than 1 unit.#  s4}22. 2MEASUREMENTS 2The following readings shall be taken: #H H@;@# ^ b//vX$b ^   //% < ^ N    "< Readingy"With sampley With central  k7yFpart of DD;"XQuantity represented    " k7cFR 4T1  no "2no Incident flux in initial reading D; h " k7 FR T2  yes (before test)I!h"2noI!h Flux transmitted by the new material in a  k+ (field of 24$ CD4 " k7a!FR T3!  yes (after test)}"h"2no}"h Flux transmitted by the tested material  k+!(in a field of 24$ C44I!" k7"FR T4/#  yes (before test)#h".yes#h Flux diffused by the new material4D }" h| " k7#FR T5s$  yes (after test)$|".yes$| Flux diffused by the tested materialD #|"$%@-?(?(//-V,"  s42##d6X@8;z@# b} + Pls note graph to be inserted here. +y(5++/G3dd| &y$++##++###c$$X#&{,$'$'//$V,3c/$&+|X  s424yaf+ +P++pE/ECE/324 )Rev.1/Add.56/Rev.1 pE/ECE/TRANS/505) pRegulation No. 57 ppage  pAnnex 6 Appendix 3 yxbgE/ECE/324 )Rev.1/Add.56/Rev.1 E/ECE/TRANS/505) Regulation No. 57 page  Annex 6 Appendix 3 x+ + mP!++Annex 6 Appendix 3ă SPRAY TESTING METHOD  s4 21. 2Test equipment  s421.1. 2Spray gun  2The spray gun used shall be equipped with a nozzle 1.3 mm in  s42diameter allowing a liquid flow rate of 0.24 + 0.02 1/minute at an operating pressure of 6.0 bars 0, + 0.5 bar.#  2Under these operation conditions the fan pattern obtained shall  s4( 2be 170mm+Ġ50mm in diameter on the surface exposed to  s4 2deterioration, at a distance of 380 mm + 10mm from the nozzle.#  s4 21.2. 2Test mixture# 2The test mixture shall be composed of:  2 eSilica sand of hardness 7 on the Mohr scale, with a grain size between 0 and 0.2 mm and an almost normal distribution, with an angular factor of 1.8 to 2;#  s=2 2 eWater of hardness not exceeding 205 g/m3 for a mixture comprising 25g of sand per litre of water.#  s4#22. 2Test  2The outer surface of the lamp lenses shall be subjected once or more than once to the action of the sand jet produced as described above. The jet shall be sprayed almost perpendicular to the surface to be tested.#  2The deterioration shall be checked by means of one or more samples of glass placed as a reference near the lenses to be tested. The mixture shall be sprayed until the variation in the diffusion of light on the sample or samples measured by the method described in appendix 2, is such that:#  gK< 2 e d = T5 T4 = 0.0250 + 0.0025#  s= P 2 e T2#  2Several reference samples may be used to check that the whole surface to be tested has deteriorated homogeneously.# "$'{,$'$'//+V,"  s42yf7+ mP!+P++pE/ECE/324 )Rev.1/Add.56/Rev.1 pE/ECE/TRANS/505) pRegulation No. 57 ppage  pAnnex 6 Appendix 4 yxg8E/ECE/324 )Rev.1/Add.56/Rev.1 E/ECE/TRANS/505) Regulation No. 57 page  Annex 6 Appendix 4 xAnnex 6 Appendix 4ă ADHESIVE TAPE ADHERENCE TEST  s4 21. 2PURPOSE  2This method allows to determine under standard conditions the linear force of adhesion of an adhesive tape to a glass plate.#  s422. 2PRINCIPLE  2Measurement of the force necessary to unstick an adhesive tape from a glass plate at an angle of 90-.#  s4 23. 2SPECIFIED ATMOSPHERIC CONDITIONS  s4 2 2The ambient conditions shall be at 23-C + 5-C and 65 + 15% relative humidity (RH).#  s424. 2TEST PIECES  2Before the test, the sample roll of adhesive tape shall be conditioned for 24hours in the specified atmosphere (see para.3above).#  2Five test pieces each 400mm long shall be tested from each roll. Thesetest pieces shall be taken from the roll after the first three turns were discarded.#  s425. 2PROCEDURE  2The test shall be under the ambient conditions specified in paragraph3.#  2Take the five test pieces while unrolling the tape radially at a speed ofapproximately 300mm/s, then apply them within 15seconds in the following manner:#  2Apply the tape to the glass plate progressively with a slight lengthwiserubbing movement of the finger, without excessive pressure, in such a manner as to leave no air bubble between the tape and the glass plate.#  2Leave the assembly in the specified atmospheric conditions for 10minutes.#  2Unstick about 25mm of the test piece from the plate in a plane perpendicular to the axis of the test piece.# "%({,$'$'//-V,"Ԍ 2Fix the plate and fold back the free end of the tape at 90-. Apply force in such a manner that the separation line between the tape and the plate is perpendicular to this force and perpendicular to the plate.#  s42 2Pull to unstick at a speed of 300mm/s + 30mm/s and record the force required.#  s4@26. 2RESULTS#  2The five values obtained shall be arranged in order and the median value taken as the result of the measurement. This value shall be expressed in Newtons percentimetre of width of the tape.#  s4 20 ă" ){,$'$'//V,"  s42l7+ mP!+P++pE/ECE/324 )Rev.1/Add.56/Rev.1 pE/ECE/TRANS/505) pRegulation No. 57 ppage  pAnnex 7 lk8E/ECE/324 )Rev.1/Add.56/Rev.1 E/ECE/TRANS/505) Regulation No. 57 page  Annex 7 k6&Annex 7ă  TMINIMUM REQUIREMENTS FOR SAMPLING BY AN INSPECTOR  s4 21. 2GENERAL#  s421.1. 2The conformity requirements shall be considered satisfied from a mechanical and a geometric standpoint, in accordance with the requirements of this Regulation, if any, if the differences do not exceed inevitable manufacturing deviations.#  s421.2. 2With respect to photometric performance, the conformity of mass-produced headlamps shall not be contested if, when testing photometric performances of any headlamp chosen at random and equipped with a standard filament lamp;#  s4 2+ mP!+ mP!++1.2.1. 2no measured value deviates unfavourably by more than 20% from the values prescribed in this Regulation.#  2For Zone III the maximum deviation may be respectively:#  2 emm0.3 lux equivalent 20%  2 emm0.45 lux equivalent 30%  s421.2.2. 2and if, for the driving beam, HV being situated within the  s=Pisolux 0.75 Emax, a tolerance of +20% for maximum values and 20% for minimum values is observed for the photometric values at any measuring point specified in Annex 3, paragraphs4.3. and 4.4. of this Regulation. #  s421.2.3. 2If the results of the tests described above do not meet the requirements, tests on the headlamp shall be repeated using another standard filament lamp.#  s421.2.4. 2Headlamps with apparent defects are disregarded.#  s4c21.3. 2The chromaticity coordinates shall be complied with when the headlamp is equipped with a filament lamp set to Standard A colour temperature.#  2The photometric performance of a headlamp emitting selective yellow light when equipped with a colourless filament lamp shall be multiplied by 0.84.#  s4!22. 2FIRST SAMPLING#  2In the first sampling four headlamps are selected at random. The first sample of two is marked A, the second sample of two is markedB.# "%*{,$'$'//(-V,"Ԍ s422.1. 2The conformity is not contested#  s422.1.1. 2Following the sampling procedure shown in Figure1 of this Annex the conformity of massproduced headlamps shall not be contested if the deviation of the measured values of the headlamps in the unfavourable directions are:#  s4x22.1.1.1. 2sample A#  s42 2A1: eone headlamps 0%#  s42 2 eone headlamp not more than 20%  s4` 2 2A2: eboth headlamps more than  0%  2 e  s4 2 2but not more thans 20%  2go to sample B  s4H 22.1.1.2. 2sample B  s42 2B1: both headlampss 0%  s4h22.2. 2The conformity is contested#  s422.2.1. 2Following the sampling procedure shown in Figure1 of this Annex the conformity of massproduced headlamps shall be contested and the manufacturer requested to make his production meet the requirements (alignment) if the deviations of the measured values of the headlamps are:#  s422.2.1.1. 2sample A#  s482 2A3: eone headlamp not more than20%#  s42 2 eone headlamp more thans20%  s42 2 ebut not more thans30%  s4X22.2.1.2. 2sample B#  s42 2B2: ein the case of A2  s42 2 eone headlamp more thans 0%  s4x2 2 ebut not more thans20%  s4@2 2 eone headlamp not more than20%  s4 2 2B3: ein the case of A2  s4!2 2 eone headlamp s 0%  s4`"2 2 eone headlamp more thans20%  s4(#2 2 ebut not more than s30% "#+{,$'$'// +V,"Ԍ s422.3. 2Approval withdrawn#  2Conformity shall be contested and paragraph 11 applied if, following the sampling procedure in Figure1 of this Annex, the deviations of the measured values of the headlamps are:#  s422.3.1. 2sample A#  s4@2 2A4: eone headlamp not more than20%  s42 2 eone headlamp more thans30%  s42 2A5: eboth headlamps more than20%  s4( 22.3.2. 2sample B  s4 2 2B4: ein the case of A2  s4 2 2 eone headlamp more thans 0%  s4H 2 2 ebut not more thans20%  s42 2 eone headlamp more thans20%  s42 2B5: ein the case of A2  s4h2 2 eboth headlamps more than20%  s42 2B6: ein the case of A2  s42 2 eone headlamps 0%  s42 2 eone headlamp more than 30%  s423. 2REPEATED SAMPLING  2In the cases of A3, B2, B3 a repeated sampling, third sampleC of two headlamps and fourth sample D of two headlamps, selected from stock manufactured after alignment, is necessary within two months time after the notification.#  s423.1. 2The conformity is not contested#  s4 23.1.1. 2Following the sampling procedure shown in Figure1 of this Annex the conformity of massproduced headlamps shall not be contested if the deviations of the measured values of the headlamps are:#  s4@23.1.1.1. 2sample C  s4 2 2C1: eone headlamps 0%  s4!2 2 eone headlamp not more than20%  s4(#2 2C2: eboth headlamps more than 0%  s4#2 2 ebut not more thans20%  2 ego to sample D "%,{,$'$'//-V,"Ԍ s423.1.1.2. 2sample D#  s42 2D1: ein the case of C2  s4X2 2 eboth headlampss 0%   s423.2. 2The conformity is contested#  s4x23.2.1. 2Following the sampling procedure shown in Figure1 of this Annex the conformity of massproduced headlamps shall be contested and the manufacturer requested to make his production meet the requirements (alignment) if the deviations of the measured values of the headlamps are:#  s4( 23.2.1.1. 2sample D#  s4 2 2D2: ein the case of C2  s4 2 2 eone headlamp more thans 0%  s4H 2 2 ebut not more thans20%  s42 2 eone headlamp not more than20%  s423.3. 2Approval withdrawn#  2Conformity shall be contested and paragraph 11 applied if, following the sampling procedure in Figure1 of this Annex, the deviations of the measured values of the headlamps are:#  s4P23.3.1. 2sample C#  s42 2C3: eone headlamp not more than20%  s42 2 eone headlamp more thans20%  s4p2 2C4: eboth headlamps more than20%  s423.3.2. 2sample D  s42 2D3: ein the case of C2  s4X2 2 eone headlamp 0 or more than 0%  s4 2 2 eone headlamp more thans20%  s424. 2CHANGE OF THE VERTICAL POSITION OF THE CUTOFF LINE  2With respect to the verification of the change in vertical positions of the cutoff line under the influence of heat, the following procedure shall be applied:#  2One of the headlamps of sampleA after sampling procedure in Figure1 of this Annex shall be tested according to the procedure described in paragraph 2.1. of Annex4 after being subjected three consecutive times to the cycle described in paragraph2.2.2. of Annex4.# "H&-{,$'$'//-V,"Ԍ 2The headlamp shall be considered as acceptable if r does not exceed 1.5mrad.#  2If this value exceeds 1.5 mrad but is not more than 2.0mrad, the second headlamp of sampleA shall be subjected to the test after which the mean of the absolute values recorded in both samples shall not exceed 1.5mrad. However, if this value of 1.5mrad on sampleA is not complied with, the two headlamps of sampleB shall be subjected to the same procedure and the value of r for each of them shall not exceed 1.5mrad.# ".{,$'$'//` V," y( -++/;]dd /y$++##++##c$$