Performance and construction of electric circulating fans and regulators
Applies to fans for household and similar purposes and to fans for use in ships of electric motor directly driven fans and their associated regulators intended for use on single-phase a.c. and d.c. circuits not exceeding 250 V. This publication supersedes IEC 60174, 60175, 60176, 60307, 60385 and 60385A. The contents of the corrigendum of January 1992 have been included in this copy.
Hearing aids. Part 10: Guide to hearing aid standards
Provides a guide to appropriate IEC publications related to hearing aids. Includes a glossary of terms and the scope of each publication. The particular measurement needs are indicated. A method of classifying hearing aids is given based upon maximum saturation sound pressure level. This publication has the status of a technical report.
Appareils de correction auditive. Dixième partie: Guide relatif aux normes concernant les appareils ...
Fournit un guide permettant d'orienter le lecteur vers les différentes publications de la CEI traitant des appareils de correction auditive. Comporte un glossaire de termes et le domaine d'application de chaque publication ainsi que l'indication des mesures particulières nécessaires. Donne également une classification des appareils de correction auditive basée sur le niveau maximal…
Recommended Practice for the Prediction of Sound Levels Received at a Distance from an Industrial P...
1. Scope
1.1 This Standard provides a procedure to predict the sound level received at a distance from an industrial plant that is due to sound from the plant.
Notes:
(1) It is envisaged that this method will be used to predict sound levels (Leq, Lmax, etc) from the industrial plant being considered at the property line or at nearby residences.
(2) This procedure only predicts…
The "Think Canadian" program, originally known as "Shop
Canadian", has the following objective, i.e., to increase
consumer awareness of the value of Canadian-made goods.
This Guide establishes rules for the presentation of translations of ISO publications into languages other than the official ISO languages. It applies to translations of draft International Standards, International Standards, Technical Reports, Guides, other copyrighted ISO publications. It does not apply to translations of International Standards which are published in the form of national…
Radio interference characteristics of overhead power lines and high-voltage equipment. Part 3: Code ...
This publication forms a "a code of good practice" to reduce to a
minimum the production of radio noise by power lines and equipment.
It provides information to follow both when
designing various fittings and components and when stringing the
conductors and installing the hardware of the line.
It also describes methods of detecting and locating defects
resulting in unusually high…
Methods of measurement for radio transmitters. Part 10: Methods of measurement for television transm...
Applies to television transmitters and transposers operating in accordance with television systems for monochrome and colour transmission employing 625 or 525 lines as described in CCIR publications. Deals with the application of insertion test signal measurement to television transmitters and transposers. This method of measurement is useful for checking the line time performance of the…
Méthodes de mesure applicables aux émetteurs radioélectriques. Dixième partie: Méthodes de mesure ap...
S'applique aux émetteurs et réémetteurs de télévision qui fonctionnent conformément aux normes utilisées par la télévision en noir et blanc, et en couleur, à 525 ou 625 lignes, décrites dans les publications du CCIR. Traite de l'application, aux émetteurs et réémetteurs de télévision, de la méthode utilisant les signaux d'insertion. Cette méthode est utile pour le contrôle de la…