IEC 60188 pdf download

IEC 60188 pdf download.High-pressure mercury vapour lamps – Performance specifications
1 General
1.1 Scope
This standard specifies the performance requirements for high-pressure mercury vapour lamps for general lighting purposes, with or without a red correcting fluorescent coating. For some of the requirements given in this standard, reference is made to “the relevant lamp data sheet”. For some lamps these data sheets are contained in this standard. For other lamps, falling under the scope of this standard, the relevant data are supplied by the lamp manufacturer or responsible vendor. The requirements of this standard relate only to type testing. NOTE The requirements and tolerances permitted by this standard correspond to testing of a type test sample submitted by the manufacturer for that purpose. In principle this type test sample should consist of units having characteristics typical of the manufacturer’s production and being as close to the production centre point values as possible. It may be expected with the tolerances given in the standard that products manufactured in accordance with the type test sample will comply with the standard for the majority of production. Due to the production spread however, it is inevitable that there will sometimes be products outside the specified tolerances. For guidance on sampling plans and procedures for inspection by attributes, see IEC 60410.
1.2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to or revisions of, these publications do not apply. However, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent edition of the normative document indicated below. For undated references, the latest edition of the normative document referred to applies. Members of IEC and ISO maintain registers of currently valid International Standards. IEC 60050(845), International Electrotechnical Vocabulary (IEV) – Chapter 845: Lighting IEC 60061-1, Lamp caps and holders together with gauges for the control of interchangeability and safety – Part 1: Lamp caps IEC 60923, Auxiliaries for lamps – Ballasts for discharge lamps (excluding tubular fluorescent lamps) – Performance requirements IEC 62035, Discharge lamps (excluding fluorescent lamps) – Safety specifications
1.3 Definitions
For the purposes of this International Standard, the following terms and definitions, as well as others given in IEC 60050(845), apply 1.3.1 high pressure mercury (vapour) lamp high intensity discharge lamp in which the major portion of the light is produced, directly or indirectly, by radiation from mercury operating at a partial pressure in excess of 100 kilo- pascals NOTE This term covers clear, phosphor coated (mercury fluorescent) and blended lamps. In a fluorescent mercury discharge lamp, the light is produced partly by the mercury vapour and partly by a layer of phosphors excited by the ultraviolet radiation of the discharge. [IEV 845-07-20] 1.3.2 nominal value approximate quantity value used to designate or identify a lamp 1.3.3 rated value quantity value for a characteristic of a lamp for specified operating conditions. The value and the conditions are specified in this standard, or assigned by the manufacturer or responsible vendor 1.3.4 lamp starting voltage r.m.s. voltage at lamp terminals at which the lamp starts 1.3.5 minimum open circuit voltage for stable operation minimum open circuit voltage to be provided by an inductive ballast for stable operation of the lamp 1.3.6 initial readings starting and warm-up characteristics of a lamp, measured before ageing, and the electrical and photometric characteristics of a lamp, measured at the end of the ageing period 1.3.7 red ratio ratio of the luminous flux emitted by the lamp in the red portion of the visible spectrum to the total luminous flux of the lamp. For the purposes of this standard, the red portion is defined by the part of the visible spectrum comprising the wavelengths above 600 nm 1.3.8 reference ballast special inductive type ballast, designed for the purpose of providing comparison standards for use in testing ballasts, for the selection of reference lamps and for testing regular production lamps under standardised conditions.