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本文(ANSI NEMA C78.1433-2001 Electric Lamps - Two-Inch (51 mm) Dichroic Coated Integral Reflector Rim Reference Tungsten Halogen Large Screen Projection Lamps with GX5.3 Bases (Replaces.pdf)为本站会员(lawfemale396)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ANSI NEMA C78.1433-2001 Electric Lamps - Two-Inch (51 mm) Dichroic Coated Integral Reflector Rim Reference Tungsten Halogen Large Screen Projection Lamps with GX5.3 Bases (Replaces.pdf

1、NEMA Standards PublicationNational Electrical Manufacturers Association$16,%DVHVANSI C78.1433-2001 Consolidation and Revision of ANSI C78.1409-1991, ANSI C78.1410-1991, ANSI C78.1411-1991and C78.1414-1988 Copyright 2001 by American National Standard Lighting Group- NEMA 1300 North 17thStreet Suite 1

2、847, Rosslyn, VA 22209 American National Standard Approved: November 1, 2001 Secretariat: ANSLG- National Electrical Manufacturers Association Electric Lamps Two-inch (51mm) Dichroic Coated Integral Reflector, Rim Reference, Tungsten Halogen Large Screen Projection Lamps with GX5.3 Bases An American

3、 National Standard implies a consensus of those substantially concerned with its scope and provisions. It is intended as a guide to aid the manufacturer, the consumer, and the general public. The existence of an American National Standard does not in any respect preclude anyone, whether he has appro

4、ved the standard or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the standards. Users are cautioned to obtain the latest editions. The American National Standards Institute does not develop standards and will in no circumstances give a

5、n interpretation of any American National Standard. Moreover, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the American National Standards Institute. CAUTION NOTICE: This American National Standard may be revised or withdrawn

6、at any time. The procedures of the American National Standards Institute require that action be taken periodically to reaffirm, revise, or withdraw this standard. Purchasers of American National Standards may receive current information on all standards by calling or writing the American National St

7、andards Institute. ANSI C78.1433-2001 Consolidation and Revision of ANSI C78.1409-1991, ANSI C78.1410-1991, ANSI C78.1411-1991and C78.1414-1988 Copyright 2001 by American National Standard Lighting Group- NEMA 1300 North 17th Street Suite 1847, Rosslyn, VA 22209 iiAmerican National Standard Approval

8、 of an American National Standard requires verification by ANSI that the requirements for due process, consensus, and other criteria for approval have been met by the standards developer. An American National Standard implies a consensus of those substantially concerned with its scope and provisions

9、. Consensus is established when, in the judgment of the ANSI Board of Standards Review, substantial agreement has been reached by directly and materially affected interests. Substantial agreement means much more than a simple majority, but not necessarily unanimity. Consensus requires that all views

10、 and objections be considered, and that a concerted effort be made toward their resolution. The existence of an American National Standard does not in any respect preclude anyone, whether s/he has approved the standard or not, from manufacturing, marketing, purchasing, or using products, processes,

11、or procedures not conforming to the standards. It is intended as a guide to aid the manufacturer, the consumer, and the general public. The American National Standards Institute does not develop standards and will in no circumstances give an interpretation of any American National Standard. Moreover

12、, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the American National Standards Institute. Requests for interpretations should be addressed to the Committee Secretariat referred to on the title page. CAUTION NOTICE: This Americ

13、an National Standard may be revised or withdrawn at any time. The procedures of the American National Standards Institute require that action be taken periodically to reaffirm, revise, or withdraw this standard. Purchasers of American National Standards may receive current information on all standar

14、ds by calling or writing the American National Standards Institute. Printed and distributed by: Information Handling Services/Global Engineering Documents 15 Inverness Way East, Englewood, CO 80112-5776 Under Contract with National Electrical Manufacturers Association Copyright 2001 by American Nati

15、onal Standard Lighting Group In Affiliation with National Electrical Manufacturers Association All rights reserved. No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without prior written permission of the publisher. Printed in the United Stat

16、es of America ANSI C78.1433-2001 Consolidation and Revision of ANSI C78.1409-1991, ANSI C78.1410-1991, ANSI C78.1411-1991and C78.1414-1988 Copyright 2001 by American National Standard Lighting Group- NEMA 1300 North 17th Street Suite 1847, Rosslyn, VA 22209 iiiTABLE OF CONTENTS Foreword .iv 1 Scope

17、1 2 Normative References .1 3 Ratings.2 4 Performance.2 5 Restrictions 3 6 Cautionary Notice3 7 Physical Characteristics.3 7.1 Base specifications .3 7.2 Dimensions .3 8 Test Procedures 3 8.1 Life 3 8.2 Illumination4 8.3 Seal temperature 5 8.4 Bulb temperature 5 FIGURES Figure 1 Working distance dim

18、ension for projection lamps2 Figure 2 Typical photocell location for large screen photometry4 Figure A1 Large screen projection lamp systems A-3 ANNEXES Annex A (Informative) A-3 Annex B (Informative) A-7 ANSI C78.1433-2001 Consolidation and Revision of ANSI C78.1409-1991, ANSI C78.1410-1991, ANSI C

19、78.1411-1991and C78.1414-1988 Copyright 2001 by American National Standard Lighting Group- NEMA 1300 North 17th Street Suite 1847, Rosslyn, VA 22209 ivFOREWORD (This Foreword is not part of ANSI C78.1433-2001) Suggestions for improvement of this standard will be welcome. They should be sent to the S

20、ecretariat, C78 Committee, National Electrical Manufacturers Association, 1300 North 17th Street, Suite 1847, Rosslyn, VA 22209. This standard was processed and approved for submittal to ANSI by Accredited Standards Committee on Electric lamps, C78, and its subcommittee, C78-1. Approval of the stand

21、ard does not necessarily imply that all committee members voted for its approval. Information concerning the approval of this standard is based on the documents listed in the table below: CDV RV C78(1)/3967 C78(1)/3968v2 At the time of publications the C78 committee consisted of the following member

22、s: Al Rousseau, Chair C78 Bernie Rachel, Technical Coordinator Randolph N. Roy, Secretariat Ken Denton, Consulting Editor Organization Represented: Name of Representative: Advance Transformer Company Norman Grimshaw Edison Electric Institute William Maguire (Delegate) GE Lighting Edward Yandek Illum

23、inating Engineering Society Rita M. Harrold Intertek Testing Services, Inc. David Ellis MagneTek Michael A. Stein National Electrical Manufacturers Association William Buckson (Delegate) Don Miletich (Alternate Delegate) Fred Carpenter (Alternate Delegate) OSRAM SYLVANIA INC. Peter Bleasby Philips L

24、ighting Company Al Rousseau Underwriters Laboratories, Inc. David Belt At the time of publications the C78-1 Sub-committee consisted of the following members: Bernie Rachel, Chair C78-1 Organization Represented: Name of Representative: GE Lighting Bernie Rachel OSRAM SYLVANIA INC. David Mullen James

25、 Oetken (Alt.) Philips Lighting Company Al Rousseau Duane Will (Alt.) Alejandro Seyffert (Alt.) Underwriters Laboratories, Inc. David Belt Ken Kempel (Alt.) ANSI C78.1433-2001 Consolidation and Revision of ANSI C78.1409-1991, ANSI C78.1410-1991, ANSI C78.1411-1991and C78.1414-1988 Copyright 2001 by

26、American National Standard Lighting Group- NEMA 1300 North 17th Street Suite 1847, Rosslyn, VA 22209 5American National Standard Two-inch (51mm) Dichroic Coated Integral Reflector, Rim Reference, Tungsten Halogen Large Screen Projection Lamps with GX5.3 Bases 1 Scope This standard consolidates previ

27、ous standards for certain low voltage two-inch (51mm) dichroic coated integral reflector, rim reference tungsten halogen lamp types with GX5.3 bases designed for large screen projection systems and used in 8mm projection, 16mm projection, slide projector, photo enlarger, and printing applications. T

28、he lamp types contained in this standard are not to be considered as interchangeable although they will all physically fit into two-inch integral rim reference centering systems and common GX5.3 lampholders. Photometry performance of each lamp depends upon the photometry appraisal system for which i

29、t was designed as well as the system in which the lamp is used. Photometry appraisal and end use systems may or may not be the same. Two-inch (51mm) integral reflector, rim reference tungsten halogen lamps with GX5.3 bases having ANSI lamp designations, DDM, EJL, ELB, and ELC are included in this St

30、andard. 2 Normative References The following standards contain provisions which through reference in this text constitute provisions of this American National Standard. At the time of publication of this Standard edition dates of normative reference standards were valid. However, all reference stand

31、ards are subject to revision, and parties to agreements based on this American National Standard are encouraged to determine and apply the most recent editions of the normative reference standards listed below. ANSI C78.1413-2001, Two-inch (51mm) Integral Reflector, Rim Reference Projection Lamp Dim

32、ensions and Centering Systems ANSI C78.1450-1983 (R1994), Incandescent Projection Lamps, Method for Life Testing ANSI C81.61-1990, Electrical Lamp Bases ANSI IT7.201-1991, Slide Projectors and Filmstrip Projectors - Illumination Tests ISO 11315-1 1997, Photography Projection in Indoor Rooms, Part 1;

33、 Screen Illumination Test for Still Projectors ANSI/IEC C78.682-1997, Standard Method of Measuring the Pinch Temperature of Quartz Tungsten Halogen Lamps Other standards, not referred to in the text of this standard but may still provide additional relevant information, are listed in Annex B as info

34、rmative references. ANSI C78.1433-2001 Consolidation and Revision of ANSI C78.1409-1991, ANSI C78.1410-1991, ANSI C78.1411-1991and C78.1414-1988 Copyright 2001 by American National Standard Lighting Group- NEMA 1300 North 17th Street Suite 1847, Rosslyn, VA 22209 63 Ratings Lamp ratings are given in

35、 Table 1. See Figure 1 for definition of working distance. Table 1 - Lamp Ratings ANSI Designation Volts Watts Life, hours Working Distance, mm Correlated Color Temperature, K DDM 19 80 50 140 3350 EJL 24 200 50 31.7 3400 ELB 30 80 15 29 3400 ELC 24 250 40 31.7 3400 LightOpticalaxisWorkingDistanceFi

36、lm PlaneFigure 1 - Working Distance Dimension for Projection Lamps 4 Performance Typical beam photometry performance characteristics are given in Table 2. Typical set-ups for large screen photometry appraisal of these lamps are provided in Annex A including an optional set-up for ELC. Table 2 Perfor

37、mance Characteristics ANSI Designation Nominal Screen Illumination, Screen Lumens Nominal Average Corner-to-Center Ratio, % DDM 500 25 EJL 800 85 ELB 420 50 ELC 900 75 ANSI C78.1433-2001 Consolidation and Revision of ANSI C78.1409-1991, ANSI C78.1410-1991, ANSI C78.1411-1991and C78.1414-1988 Copyrig

38、ht 2001 by American National Standard Lighting Group- NEMA 1300 North 17th Street Suite 1847, Rosslyn, VA 22209 75 Restrictions Operating Position Base down to horizontal Temperature Limits 400C maximum on seals 250C minimum on bulb Temperature limits apply to lamp operating temperatures in end user

39、 applications Protective Shield See Cautionary Notice 6 Cautionary Notice To assure maximum safety during handling and use of the subject lamps, the following notices should be observed: 1. Tungsten-halogen lamps operate at high temperature and at internal gas pressures above atmospheric pressure. C

40、onsequently, a lamp could shatter. Certain lamps may also emit some amount of ultraviolet radiation. Therefore a suitable protective shield, screening technique, or both shall be used with the luminaire to protect people and surroundings from both hazards. 2. Always read and observe the information

41、contained in the lamp manufacturers caution notice. 7 Physical Characteristics 7.1 Base Specifications GX5.3; see ANSI C81.61. 7.2 Dimensions General dimensions for these lamp types are provided in ANSI C78.1413. 8 Test Procedures 8.1 Life Open rack, horizontal burning position with cooling to maint

42、ain temperature limits in accordance with ANSI C78.1450. ANSI C78.1433-2001 Consolidation and Revision of ANSI C78.1409-1991, ANSI C78.1410-1991, ANSI C78.1411-1991and C78.1414-1988 Copyright 2001 by American National Standard Lighting Group- NEMA 1300 North 17th Street Suite 1847, Rosslyn, VA 22209

43、 88.2 Illumination See ANSI IT7.201, Slide Projectors and Filmstrip Projectors-Illumination Test, or ISO 11315-1, Photography Projection in Indoor Rooms, Part 1; Screen Illumination Test for Still Projectors. Illumination from large screen projection lamps in this standard is typically measured usin

44、g large screen photometry appraisal with lamps placed in aperture and lens systems that simulate projectors. See Figure A1 in Annex A for typical projection systems used for screen photometry of lamps in this standard. Light from lamps converges and passes through a rectangular aperture and projecti

45、on lens, and is formed into a rectangular image proportional in size to the aperture. A condenser lens may also be used between the lamp and aperture. This image is projected onto a large screen equipped with photocells for measurement of both light intensity and uniformity with the distance from th

46、e lamp to screen determined by the desired image size on the screen. Light Cellsw3Corner Cells3h6ww265 wh5 h6h2h6wFigure 2 Typical Photocell Location for Large Screen Photometry A typical image screen, as shown in Figure 2, has thirteen photocells that measure light intensity in lux or lumens per sq

47、uare meter. Light intensity is measured by the nine light cells in centers of nine equal area elements with area elements and photocell location determined by the screen width and height. Total light intensity in screen lumens is the average light intensity at each light photocell multiplied by the

48、total screen area in square meters. Thus total light in screen lumens is independentANSI C78.1433-2001 Consolidation and Revision of ANSI C78.1409-1991, ANSI C78.1410-1991, ANSI C78.1411-1991and C78.1414-1988 Copyright 2001 by American National Standard Lighting Group- NEMA 1300 North 17th Street Su

49、ite 1847, Rosslyn, VA 22209 9of screen image size or distance from the test lamp but will be affected by projection systems used. Uniformity in terms of corner-to-center ratio is measured by the center light cell and the four corner cells. Corner cell location, also determined by screen width and height, may vary among different set-ups. All lamp performance characteristics in Table 2, projection systems, and large screen photometry set-ups are typical but may vary among different lamp manufacturers. 8.3 Seal Temperature Measurement

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