TS ISO 17398
Safety colours and safety signs - Classification, performance and durability of safety signs
ISO 17398:2004 specifies requirements for a performance-related classification system for safety signs according to expected service environment, principal materials, photometric properties, means of illumination, fixing methods and surface. Performance criteria and test methods are specified in ISO 17398:2004 so that properties related to durability and expected service life can be characterized and specified at the time of the product’s delivery to the purchaser.
ISO 17398:2004 does not cover electrical power supplies, their components or electrically powered elements. It also does not cover properties of illuminating components, but the photometric properties for the particular types of safety signs are covered.
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About This Item
TS ISO 17398 is the Turkish edition of a standard concerned with how safety signs are classified and how their performance and durability characteristics are described. It provides a framework for defining more than just the appearance of a sign: the standard is about identifying how a safety sign is expected to behave over time in the environment where it will be used.
How safety signs are classified
The standard sets out a performance-related classification system for safety signs based on the expected service environment, principal materials, photometric properties, means of illumination, fixing methods and surface. In general technical terms, safety signs are used to communicate warnings, prohibitions, mandatory actions or emergency information, so the ability to remain legible and recognisable is essential. A classification scheme of this kind helps distinguish between signs that may look similar at first glance but are intended for very different installation conditions and service lives.
Performance, durability and what is outside the scope
ISO 17398:2004 specifies performance criteria and test methods so that durability and expected service life can be characterised and stated at the time of delivery to the purchaser. The inclusion of photometric properties is especially relevant where visibility, contrast or light-related behaviour affects the effectiveness of the sign. At the same time, the standard does not cover electrical power supplies, their components or electrically powered elements, and it also does not cover the properties of illuminating components themselves, although photometric properties for the particular types of safety signs are addressed.
- Focus: performance-based classification of safety signs
- Key factors: service environment, materials, photometric properties, illumination method, fixing and surface
- Outside scope: power supplies, their components and electrically powered elements
- General purpose: to characterise durability and expected service life at delivery
- Photometric behaviour is addressed, but illuminating components themselves are not covered
- Publication Date: 30.09.2021
- Standard Status: U (Yürürlükteki Standard/Standard)
- Publisher: TSE
- Document Language: en
- ICS Classification: 01.080.10 Enformasyon Sembolleri; 01.080.20 Özel Ekipmanlarda Kullanılan Grafik Semboller
- Pages: 31
- Source Standard: ISO 17398:2004
- International Equivalents: ISO 17398-EQV
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