Normy

Obsah

ČSN EN ISO 21606 This document has been developed as a result of the difficulty often encountered by clinicians in making meaningful comparisons between elastomeric auxiliaries using the information currently available from manufacturers and suppliers. NOTE - Auxiliaries include orthodontic elastics, orthodontic elastomeric chains, orthodontic thread, orthodontic elastomeric ligatures and orthodontic elastomeric separators. Specific qualitative and quantitative requirements for freedom from biological hazards are not included in this document, but it is recommended that in assessing possible biological hazards reference should be made to ISO 10993-1 and ISO 7405.

Obsah

ČSN ETSI EN 301 489-19 V2.2.1 The present document covers the assessment of Receive Only Mobile Earth Stations (ROMES) and Global Navigation Satellite System (GNSS) receivers in respect of electromagnetic compatibility. ROMES operate in the Land Mobile Satellite Service (LMSS) space to earth bands, 1 518 MHz to 1 559 MHz, allocated by the ITU Radio Regulations [i.3]. ROMES operate as part of a satellite system providing one way data communications. Global Navigation Satellite System (GNSS) receivers operate in either or both of the space to earth RNSS frequency bands of 1 164 MHz to 1 300 MHz and 1 559 MHz to 1 610 MHz defined as "A radiodetermination-satellite service used for the purpose of radionavigation" (article 1.43 of ITU Radio Regulations [i.3]) with the ability to receive any GNSS (e.g. Galileo, Global Positioning System (GPS), BeiDou (BDS), GLObal NAvigation Satellite System (GLONASS), Space Based Augmentation Systems (SBAS)). Technical specifications related to the antenna port and emissions from the enclosure port of ROMES and GNSS are not included in the present document. Such technical specifications are found in the relevant product standards for the effective use of the radio spectrum in table 1. Emissions requirements in the present document are specified for frequencies above 9 kHz. The present document specifies the applicable test conditions, performance assessment and performance criteria for ROMES, GNSS and associated ancillary equipment. ROMESs and GNSS can have several configurations, including: - vehicular equipment; - portable equipment; - fixed equipment; - a number of modules including a display/control interface to the user. The performance criteria used in the present document require that the satellite communications system of which the ROMES and GNSS is a part provides reliable delivery of data or messages. The environmental classification and the emission and immunity requirements used in the present document are as stated in ETSI EN 301 489-1 [1], except for any special conditions included in the present document. NOTE: The relationship between the present document and essential requirements of article 3.1(b) of Directive 2014/53/EU [i.1] is given in annex A.

Obsah

ČSN P ISO/TS 20684-6 Zařízení na infrastruktuře, jako je dopravní signalizace, dopravní značky, meteostanice, dopravní senzory, zařízení na infrastruktuře pro kooperativní ITS (C-ITS) apod., jsou klíčovou součástí inteligentních dopravních systémů (ITS). Tato zařízení vyžadují častou výměnu informací s jinými externími subjekty (nadřazenými systémy). Zařízení na infrastruktuře mohou být poměrně složitá, což vyžaduje normalizaci mnoha datových konceptů pro výměnu dat. Proto je soubor ISO 20684 rozdělen do několika samostatných částí. Tento dokument uvádí potřeby uživatelů, konstrukční prvky a požadavky na zařízení potřebné k vydání SNMP příkazu set-request v odpovědi na aktivaci spouštěče. To umožňuje nadřazenému systému nakonfigurovat zařízení na infrastruktuře k zasílání jednoduchých odpovědí na situace na infrastruktuře.

Obsah

ČSN EN IEC 61400-12 This part of IEC 61400 defines procedures for assessing the power performance characteristics of wind turbines. This document provides a general introduction to the available options for power performance measurement and the contributing evaluations which are further detailed in the other parts of the IEC 61400-12 series. Although this document (along with other parts of the IEC 61400-12 series) also defines the specifications of the meteorological variables (and in particular wind speed) required for the power performance evaluation, the methods and procedures for measuring or otherwise acquiring the wind speed data are defined in the IEC 61400-50 wind measurement series.

Obsah

ČSN EN IEC 61753-089-02 Norma obsahuje minimální počáteční zkušební a měřicí požadavky a přísnosti, kterým musí vyhovět optické vláknové pigtailované zařízení širokého vlnového multiplexu (WWDM) pro monitorování pasivních optických sítí (PON), s použitím optického reflektometru v časové oblasti (OTDR), aby mohlo být zařazeno jako vyhovující požadavkům kategorie C (vnitřní řízené prostředí) jak definuje příloha A v IEC 61753-1:2018. WWDM je definováno v IEC 62074-1. Norma obsahuje normativní přílohu A, která stanovuje požadavek na počet vzorků.

Obsah

ČSN EN ISO 10101-3 This document specifies a coulometric procedure for the determination of water content by the Karl Fischer method. The method is applicable to natural gas and other gases which do not react with Karl Fischer (KF) reagents. It applies to water concentrations between 5 mg/m3 and 5 000 mg/m3. Volumes are expressed at temperature of 273,15 K (0 °C) and a pressure of 101,325 kPa (1 atm).

Obsah

ČSN EN ISO 12625-4 This document specifies a test method for the determination of the tensile strength, stretch at maximum force and tensile energy absorption of tissue paper and tissue products. It uses a tensile-testing apparatus operating with a constant rate of elongation. It also specifies the method of calculating the tensile index and the tensile energy absorption index.

Obsah

ČSN EN ISO 19650-4 This document specifies the detailed process and criteria for decision makings when executing an information exchange as specified by the ISO 19650 series to ensure the quality of the resulting project information model or asset information model. It details the implementation of the concepts in ISO 19650-1 and is applicable to any information exchange within the delivery stages covered by ISO 19650-2 and operational trigger events covered by ISO 19650-3. This document is applicable to assets of all sizes and all levels of complexity. This includes portfolios of buildings, campuses, infrastructure networks, individual buildings and pieces of infrastructure. The requirements in this document should be applied in a way that is appropriate to the scale and complexity of the asset. This document makes use of the phrase "shall consider". This phrase is used to introduce a list of items that the person in question is required to think about carefully in connection with the primary requirement described in the subclause. The amount of thought involved, the time taken to complete it, and the need for supporting evidence depend on the complexity of the asset, the experience of the person(s) involved, and the requirements of any national policy on introducing building information modelling. On a relatively small or straightforward asset, it can be possible to complete, or dismiss as not relevant, some of these "shall consider" items very quickly. One way to help identify which of the "shall consider" statements are relevant can be to review each statement and create templates for assets of different sizes and complexity.

Obsah

ČSN EN 17681-2 This document specifies a test method (using gas chromatography, GC) for detection and quantification of selected extractable perfluorinated and polyfluorinated substances in textile materials (fibres, yarns, fabrics) and coated fabrics. NOTE 1 - CEN/TR 16741 defines which materials are applicable to this determination. A test method (using liquid chromatography, LC) for detection and quantification of selected extractable perfluorinated and polyfluorinated substances is specified in EN 17681-1. NOTE 2 - Both this document and EN 17681-1 are needed for PFOA related substances. Classes of regulated compounds are listed in Table 2. Classes of other non-regulated compounds that can be determined by this document are defined in Annex C, Table C.1. This document is also applicable for further PFAS substances provided that the method is validated with the additional compounds. NOTE 3 - Commission Delegated Regulation (EU) 2020/784 amending Annex I to the POP Regulation (EU) 2019/1021 as regards the listing of perfluorooctanoic acid (PFOA), its salts and PFOA-related compounds defines among other that "'.PFOA-related compounds' means the following: . any substances that degrade to PFOA, including any substances (including salts and polymers) having a linear or branched perfluoroheptyl group with the moiety (C7F15)C as one of the structural elements." To determine whether these are intentionally present it could be necessary to introduce an alkaline hydrolysis method to remove the side-chain from the polymer. According to Commission Regulation (EU) 2021/1297 [7], this applies similarly to C9-C14 PFCAs-related compounds. A future revision of this document will address this aspect.

Obsah

ČSN EN ISO 9333 This document specifies the requirements and test methods for dental brazing materials suitable for use in metallic restorations. Brazing materials with silver as the main component are excluded from this document.

Obsah

ČSN ISO 28000 Tento dokument specifikuje požadavky na systém managementu bezpečnosti, včetně aspektů týkajících se dodavatelského řetězce. Tento dokument je použitelný pro organizace všech typů a velikostí (např. komerční podniky, vládní nebo jiné veřejné agentury a neziskové organizace), které hodlají stanovit, zavést, udržovat a zlepšovat systém managementu bezpečnosti. Poskytuje ucelený a společný přístup a není specifický pro dané odvětví nebo sektor. Tento dokument může být používán po celou dobu existence organizace a může být aplikován na jakoukoliv činnost, interní i externí, na všech úrovních.

Obsah

ČSN P ISO/TS 14074 Tento dokument specifikuje doplňkové zásady, požadavky a směrnice pro normalizaci, vážení a interpretaci k těm, které jsou uvedeny v ISO 14040 a ISO 14044. Tento dokument je použitelný pro jakékoliv posuzování životního cyklu a studii kvantifikace stopy. Tento dokument nespecifikuje složení týmů pro vážení ani multikriteriální analýzu. Cílem tohoto dokumentu není doporučovat nebo vyžadovat konkrétní přístup nebo metodu vážení nebo upředňostňovat jeden přístup nebo metodu vážení před jiným, protože jsou založeny na volbách hodnot. Organizace mají flexibilitu implementovat posuzování životního cyklu v souladu se zamýšlenou aplikací a požadavky organizace.