Normy

Obsah

ČSN EN IEC 63356-2 ed. 2 Norma specifikuje konstrukční parametry a konstrukční hodnoty LED světelného zdroje nebo souvise-jící charakteristiky rozhraní. Nevztahuje se na zaměnitelnost výrobků od různých výrobců LED světel-ných zdrojů. Patice a objímky pro zdroje světla specifikované v souboru IEC 60061 nespadají do oblasti působnosti tohoto dokumentu. Kritéria shody týkající se parametrů v tomto dokumentu jsou pokryta v IEC 62031, IEC 63554 a IEC 63555.

Obsah

ČSN ISO 12856-3 Tento dokument specifikuje obecné požadavky na drážní pražce z polymerních kompozitních materiálů. Je využitelný pro příčné a výhybkové pražce a mostnice, které mají být použity v jakýchkoliv kolejích (železničních i městských drah) s kolejovým ložem nebo bez něj.

Obsah

ČSN ISO 12856-2 Tento dokument specifikuje různé metody zkoušek vlastností polymerních kompozitních a vyztužených polymerních kompozitních příčných a výhybkových pražců a mostnic pro použití v koleji. Je využitelný pro příčné a výhybkové pražce a mostnice, které mají být použity v koleji s kolejovým ložem nebo bez něj.

Obsah

ČSN EN ISO 18562-1 This document specifies: - the general principles governing the biological evaluation within a risk management process of the gas pathways of a medical device, its parts or accessories, which are intended to provide respiratory care or supply substances via the respiratory tract to a patient in all environments; - the general categorization of gas pathways based on the nature and duration of their contact with the gas stream; - the evaluation of existing relevant data from all sources; - the identification of gaps in the available data set on the basis of a risk analysis; - the identification of additional data sets necessary to analyse the biological safety of the gas pathway; - the assessment of the biological safety of the gas pathway. This document covers general principles regarding biocompatibility assessment of medical device materials, which make up the gas pathway, in normal use and normal condition. This document does not cover biological hazards arising from mechanical damage. The other parts of ISO 18562 cover specific tests that address potentially hazardous substances that are added to the respirable gas stream and establish acceptance criteria for these substances. This document addresses potential contamination of the gas stream arising from the gas pathways within the medical device, which might then be conducted to the patient. This document applies over the expected lifetime of the medical device when operated according to the instructions for use. This includes degradation arising from exposure to environmental conditions as well as cleaning, disinfection and sterilisation (i.e. processing). It also includes user action or inaction (omission) that leads to an unintended or unexpected outcome (result) (i.e. use error). It does not include conscious/intentional action or inaction that violates the instructions for use and is beyond reasonable risk control by the manufacturer (i.e. abnormal use). This document does not address biological evaluation of the surfaces of medical devices that have direct contact with the patient or user. The requirements for direct contact surfaces are found in the ISO 10993 series. Medical devices, parts or accessories containing gas pathways that are addressed by this document include, but are not limited to, ventilators, anaesthesia workstations (including gas mixers), breathing systems, oxygen conserving equipment, oxygen concentrators, nebulizers, low-pressure hose assemblies, humidifiers, heat and moisture exchangers, respiratory gas monitors, respiration monitors, masks, medical respiratory personal protective equipment[23][25][28-30], mouth pieces, resuscitators, breathing tubes, breathing system filters and Y-pieces as well as any breathing accessories intended to be used with such medical devices. The enclosed chamber of an incubator, including the mattress, and the inner surface of an oxygen hood are considered to be gas pathways and are also addressed by this document. This document does not address contamination already present in the gas supplied from the gas sources while medical devices are in normal use. EXAMPLE Contamination arriving at the medical device from gas sources such as medical gas pipeline systems (including the non-return valves in the pipeline outlets), outlets of pressure regulators connected or integral to a medical gas cylinder, or room air taken into the medical device is not addressed by ISO 18562 (all parts).

Obsah

ČSN ETSI EN 303 760 V1.1.1 Tento dokument uvádí návod a opatření pro dosažení interoperability inteligentních aplikací a výrobků IoT na sémantické úrovni v souladu s rámcem SAREF. Obsahuje ustanovení o využívání SAREF, odkazuje na relevantní existující technické zprávy a technické specifikace a stanovuje metodiku, kterou je třeba dodržovat pro prokazování shody se SAREF podle stávající normy EN SAREF. Dále popisuje, jak volitelně přispívat k novému rozšíření SAREF (pokud to, co uživatelé potřebují, není dosud v rámci SAREF). Tento dokument oslovuje strany zapojené do vývoje a výroby inteligentních aplikací a výrobků IoT, které by mohly převzít různé role v jejich organizaci, jako jsou například: - vedoucí pracovníci a vlastníci výrobků, kteří rozhodují o investování do výrobku kompatibilního se SAREF; - vývojáři, kteří budou zavádět výrobek kompatibilní se SAREF jako neontologičtí odborníci nebo dokonce ontologičtí odborníci. Různé role naznačují různé záměry a očekávání při čtení tohoto dokumentu podle jejich úkolů v organizaci. Tento dokument to bere v úvahu svou implementovanou strukturou. Kapitola 4 uvádí návod, jak procházet tento dokument kvůli posouzení, které kapitoly by mohly být zásadní pro zvláštní roli uživatele a které by se mohly vynechat. Tento dokument je členěn do 8 kapitol a obsahuje 7 informativních příloh.

Obsah

ČSN EN 88-3+A1 EN 13611:2019, Clause 1 applies with the following modification and addition: Modification: The 1st paragraph of EN 13611:2019, Clause 1 is replaced by: This document specifies the safety, design, construction, and performance requirements and testing for electronic pressure and/or flow rate regulators for burners and appliances burning one or more gaseous fuels, hereafter referred to as "regulators". This document is applicable to regulators with declared maximum inlet pressures up to and including 500 kPa and of nominal connection sizes up to and including DN 250. Addition: This document is applicable to: - regulators which use auxiliary energy; - regulators, which function by controlling a gas outlet pressure or a gas flow rate; - regulators with a modular structure specified as a unit; - regulators intended for gas appliances to be installed indoor or in the open air and exposed to the environment. This document is not applicable to: - regulators connected directly to a gas distribution network or to a container that maintains a standard distribution pressure. The 4th paragraph of EN 13611:2019, Clause 1 is removed.

Obsah

ČSN EN 12953-9 This document specifies requirements for limiters which are incorporated into safety systems for shell boilers as specified in EN 12953-1:2012. The design requirements and examination of the limiters are covered in this document. NOTE - See Annex E for determination of the characteristic data for use in protective circuits with a safety integrity level (SIL) rating. The requirements for limiters with regard to the safety integrity level (SIL), for example, in accordance with EN 61508 are not covered in this document.

Obsah

ČSN EN 17339 This document specifies minimum requirements for the materials, design, construction, type testing and routine manufacturing inspections of composite gas cylinders and tubes for compressed hydrogen. NOTE 1 - Unless specified in the text, for the purposes of this document, the word "cylinder" includes tubes. This document applies to: - fully wrapped composite cylinders (Type 3 and Type 4); - hoop wrapped cylinders (Type 2); with carbon fibres, intended to be permanently mounted in a frame (e.g. bundle or trailer) with a test pressure of not less than 300 bar, with: - non-metallic liners (Type 4) or seamless metallic liners (for Type 2 and Type 3); - a maximum water capacity of 3 000 l; - a maximum working pressure of 1 000 bar; - the product of working pressure times water capacity (p x V) not exceeding 1 000 000 bar.l. NOTE 2 - A glass fibre protective layer is sometimes applied to the external surface of the cylinder.

Obsah

ČSN EN ISO 24664 This document describes the calculation of: - mass flow for sizing pressure relief devices for parts of refrigerating systems; - discharge capacities for pressure relief valves and other pressure relief devices in refrigerating systems including the necessary data for sizing these when relieving to atmosphere or to part of the refrigerating system at lower pressure; - the pressure loss in the inlet and outlet lines of pressure relief valves and other pressure relief devices and includes the necessary data. This document specifies the requirements for selection of pressure relief devices to prevent excessive pressure due to internal and external heat sources, the sources of increasing pressure (e.g. compressor, heaters, etc.) and thermal expansion of trapped liquid. NOTE - The term "refrigerating system" used in this document includes heat pumps.

Obsah

ČSN EN 15430-1 This document specifies a protocol for downloading data from the control box of the equipment to an in-vehicle board computer to ensure interchangeability between a vehicle and different equipment that the same vehicle can carry. It specifies the interface connection as well as variables, records and reports which permit the protocol to cover applications with the greatest possible variety of equipment for performing winter maintenance and road service area maintenance.

Obsah

ČSN EN 4869-001 This document specifies the general characteristics, the conditions for qualification, acceptance and quality assurance, as well as the test programs and groups for threaded ring coupling circular connectors with expanded beam termini, intended for use in a temperature range from -55 °C to 125 °C continuous.

Obsah

ČSN EN IEC 60747-16-9 Norma uvádí terminologii, základní jmenovité údaje, charakteristiky a měřicí metody mikrovlnných integrovaných obvodů - fázové posunovače.