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Safety of household and similar electrical appliances. Part 2-56. Particular requirements for projectors and similar appliances
Deals with the safety of electric projectors and similar appliances for household and similar purposes, their rated voltage being not more than 250 V. Covers appliances not intended for normal household use, but which nevertheless may be a source of dang
Household and similar electrical appliances - Safety Part 2-56: Particular requirements for projectors and similar appliances
Household and similar electrical appliances - Safety - Part 2-56 : particular requirements for projectors and similar appliances.
Deals with the safety of electric projectors and similar appliances, their rated voltage being not more than 250 V, for household and similar purposes. Some example of appliances that are within the scope of this standard are effects projectors, film-strip projectors, microscope projectors, motion-picture projectors, overhead projectors, photographic enlargers, still view and photo-reproduction appliances.This standard however, in general, does not take into account the use of appliances by- persons (including children) whose *physical, sensory or mental capabilities; or *lack of experience and knowledgeprevent them from using the appliance safely without s
Household and similar electrical appliances - Safety - Part 2-56: Particular requirements for projectors and similar appliances
This standard deals with the safety of electric projectors and similar appliances for household and similar purposes, their rated voltage being not more than 250 V.
Household and similar electrical appliances - Safety - Part 2-56: Particular requirements for projectors and similar appliances
To be read in conjunction with BS EN 60335-1
Specification for safety of household and similar electrical appliances - Particular requirements for projectors and similar appliances
This clause of Part 1 is replaced by the following. This International Standard deals with the safety of electric projectors and similar appliances for household and similar purposes, their rated voltage being not more than 250 V. NOTE 101 Examples of appliances that are within the scope of this standard are effects projectors; film-strip projectors; film viewers; microscope projectors; motion-picture projectors; opaque projectors (episcopes); opaque-transparency projectors (epidiascopes); overhead projectors; photographic enlargers; photo-reproduction appliances; slide projectors (diascopes); slide-sorting appliances, still viewers. Appliances may incorporate sound amplifiers. Appliances not intended for normal household use, but which nevertheless may be a source of danger to the public, such as appliances intended for use by laymen in schools, offices, shops and similar locations are within the scope of this standard. As far as practicable, this standard deals with the common hazards presented by appliances which are encountered by all persons in and around the home. However, in general, it does not take into account - the use of appliances by young children or infirm persons without supervision; - playing with the appliance by young children. NOTES 102 Attention is drawn to the fact that - for appliances intended to be used in vehicles or on board ships or aircraft, additional requirements may be necessary; - in many countries additional requirements are specified by the national health authorities, the national authorities responsible for the protection of labour, and similar authorities. IEC 60598-1 is applicable as far as is reasonable.
Household and similar electrical appliances - Safety Part 2-56: Particular requirements for projectors and similar appliances
Deals with the safety of electric projectors and similar appliances, their rated voltage being not more than 250 V, for household and similar purposes. Some example of appliances that are within the scope of this standard are effects projectors, film-str
Household and similar electrical appliances - Safety - Part 2-56: Particular requirements for projectors and similar appliances
Настоящий стандарт устанавливает требования безопасности и методы испытаний электрических проекторов и аналогичных приборов бытового и
Safety of household and similar electrical appliances. Particular requirements for projectors and similar appliances
The document applies for screens for all kinds of front projection (for still picture, motion-picture, video and LCD projection).
Projection of still pictures and motion pictures - Part 2: Screens
The document applies for the measurement and transmittance characteristics of screens for still- and motion pictures.
Projection of still pictures and motion-pictures - Part 4: Reflection and transmittance characteristics of screens; characteristic values, screen types, measurement
The document applies for the conditions for projection and viewing for all kinds of projection.
Projection of still pictures and motion-pictures - Part 1: Conditions for projection and viewing for all kinds of projection
The document applies for light measurements on projection units (microfilm readers).
Projection of still pictures and motion-pictures; light measurements of projection units
The document applies for light measurements for all kinds of projection for optical still- and motion-picture projection and video projection.
Projection of still pictures and motion-pictures; light measurements of projection systems with projector and separate projection screen
Amends clauses 9.1, 9.5, 9.5.5, 9.10.1.
Luminaires; part 2: particular requirements; section 9: photo and film luminaires (non-professional); amendment 1
Projection of still pictures and motion-pictures in educational and amateur use; graphical symbols
Projection of still pictures and motion-pictures in educational and amateur use; safety requirements for screens Projection fixe et cinématographique, destinée à l'enseignement et aux amateurs; prescriptions de sécurité des écrans de projectionDiese Norm
Projection of still pictures and motion-pictures in educational and amateur use; safety requirements for screens
Настоящий стандарт распространяется на любительские кинопроекторы, предназначенные для показа фильмов форматов 8-мм и 8-мм типа С
Projectors for 8-mm films. Parameters
Objective lenses. Method for determining the photographic resolving power
Настоящий стандарт распространяется на объективы различного назначения и устанавливает три метода измерения фокусного расстояния в зав
Objective lenses. Method of measuring the focal length
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