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Affichage 21 - 30 de 1113
Low-voltage surge protective devices - Part 03: SPD Testing Guide
IEC TR 61643-03:2024 applies to SPD testing in accordance with the IEC 61643-x1 series and for SPD coordination and system level immunity purposes. It aims to provide guidance and helpful information for correct test execution and accurate interpretation of measurement results. It is also intended to further enhance repeatability and comparability throughout different test laboratories and to…
Éditeur :
IEC
Statut :
Publié
Date de publication :
2024-07-04
Code(s) de l'ICS :
29.240.01; 29.240.10
Radiological protection — Criteria and performance limits for the periodic evaluation of dosimetry s...
This document specifies the dosimetric and organizational criteria and the test procedures to be used for the periodic verification of the performance of dosimetry services supplying personal and/or area, i.e. workplace and/or environmental, dosemeters used for individual (personal) and/or area, i.e. workplace and/or environmental monitoring. NOTE            The quality of a supplier of a…
Éditeur :
ISO
Statut :
Publié
Date de publication :
2024-06-30
Code(s) de l'ICS :
13.280
Pelton hydraulic turbines - Model acceptance tests
IEC 63461:2024 applies to laboratory model tests of any type of Pelton hydraulic turbine with unit power greater than 5 MW. It contains the rules governing test conduct and provides measures to be taken if any phase of the tests is disputed. The main objectives of this document are: - to define the terms and quantities used; - to specify methods of testing and of measuring the quantities…
Éditeur :
IEC
Statut :
Publié
Date de publication :
2024-06-27
Code(s) de l'ICS :
27.140
Protective clothing against heat and flame — Part 1: Test method for complete garments — Measurement...
This document specifies the overall requirements, equipment and calculation methods to provide results that can be used for evaluating the performance of complete garments or protective clothing ensembles exposed to short duration flame engulfment. This test method establishes a rating system to characterize the thermal protection provided by single-layer and multi-layer garments made of flame…
Éditeur :
ISO
Statut :
Publié
Date de publication :
2024-06-11
Code(s) de l'ICS :
13.340.10
Reference materials — Requirements and recommendations for use
This document describes good practice in using reference materials (RMs), and certified reference materials (CRMs) in particular, in measurement processes. These uses include: —           the assessment of precision and trueness of measurement methods; —           quality control; —           assigning values to materials; —           calibration; —           establishing conventional scales.…
Éditeur :
ISO
Statut :
Publié
Date de publication :
2024-06-02
Code(s) de l'ICS :
71.040.30
Fans — Determination of airflow propelled through an open personnel door by a positive pressure vent...
This document establishes a uniform method of laboratory testing for the determination of airflow propelled through an open personnel door by a positive pressure ventilator. NOTE            The test described by this document is not entirely in accordance with ISO 5801, though it references several subclauses of ISO 5801 (such as the measurement of pressure and airflow). This document does not…
Éditeur :
ISO
Statut :
Publié
Date de publication :
2024-05-07
Code(s) de l'ICS :
23.120
Standard for Exhaust Hoods for Commercial Cooking Equipment
Scope 1.1 These requirements cover Type I commercial kitchen exhaust hoods intended for placement over commercial cooking equipment. Exhaust hoods with and without exhaust dampers are covered by these requirements. 1.2 Exhaust hoods with and without exhaust fire actuated fire dampers are covered by these requirements. 1.3 Exhaust hoods are evaluated relative to minimum exhaust air flow…
Éditeur :
ULC
Statut :
Norme
Date de publication :
2024-04-28
Code(s) de l'ICS :
97.040.20
Rubber, vulcanized — Determination of adhesion to wire cord
This document specifies two methods for determining the adhesion strength of vulcanized rubber to wire cord which is embedded in the rubber. The two methods do not necessarily give the same results. They are applicable primarily to test pieces prepared in the laboratory under standard conditions and used for the development and control of materials and processes utilized in the manufacture of…
Éditeur :
ISO
Statut :
Publié
Date de publication :
2024-04-08
Code(s) de l'ICS :
83.060
Electronic displays - Part 2-7 : Measurements of optical characteristics - Tiled displays
IEC 62977-2-7:2024 specifies standard measuring conditions and measurement methods for determining the optical characteristics of tiled displays which consist of multiple display modules in order to form one screen. These methods apply to emissive and transmissive direct view flat displays that render real 2D images with all modules lying in the same plane. The methods are applicable in…
Éditeur :
IEC
Statut :
Publié
Date de publication :
2024-03-21
Code(s) de l'ICS :
31.120; 31.260
Rubber, vulcanized or thermoplastic — Determination of stress relaxation in compression — Part 1: Te...
This document specifies two procedures for determining the decrease in counterforce exerted by a test piece of vulcanized or thermoplastic rubber which has been compressed to a constant deformation and maintained thus at a predetermined test temperature. The counterforce can be determined either by means of a continuous-measurement system or by a discontinuous-measurement one. Two test methods…
Éditeur :
ISO
Statut :
Publié
Date de publication :
2024-03-07
Code(s) de l'ICS :
83.060