Standartų projektų sąrašas

prEN IEC 62031:2025 Naujas

Komentavimo iki data 2025-06-04

Šviesos diodų (LED) moduliai. Saugos reikalavimai

Peržiūrėti metaduomenis

EN 62061:2021/prA1:2025 Naujas

Komentavimo iki data 2025-06-04

Mašinų sauga. Su sauga susijusių valdymo sistemų funkcinė sauga

Peržiūrėti metaduomenis

prEN 1568-4 Naujas

Komentavimo iki data 2025-06-03

Gaisro gesinimo medžiagos. Putų koncentratai. 4 dalis. Mažo plėtimosi putų koncentratų, naudojamų susimaišančių su vandeniu skysčių paviršiams padengti, techniniai reikalavimai

This European Standard specifies requirements for chemical and physical properties, and minimum performance requirements of low expansion foams suitable for surface application to water-miscible liquids. Requirements are also specified for marking. IMPORTANT - The fire performance is tested using acetone and isopropanol as the fuel, which also forms the basis for the performance classification. However, there are a large number of water-miscible liquids which have more or less different properties to acetone and isopropanol. It has been shown by tests using other fuels that the performance of various foams can differ considerably. Examples of such fuel is Methyl Ethyl Ketone (MEK). It is therefore essential that the user checks for any unfavourable or unacceptable loss of efficiency when the foam is used against fires in any other water-miscible fuels than acetone and isopropanol respectively. The fire test conditions and procedure given in H.2 can be used in order to achieve results comparative with acetone and isopropanol respectively and related requirements. It is also essential for the user to note that other fuel depths and methods of application than those specified in H.2 can cause considerable loss of efficiency and these matters should be carefully considered by the user when assessing the suitability for particular applications. WARNING - Any type approval according to this standard is invalidated by any change in composition of the approved product. NOTE Some concentrates conforming to this part of the EN 1568 series can also conform to other parts and therefore can also be suitable for application as medium and/or high expansion foams.

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prEN 15848 Naujas

Komentavimo iki data 2025-06-08

Pastatų įrenginiai vandeniui ruošti. Reguliuojamosios chemikalų dozavimo sistemos. Eksploataciniai, saugos ir bandymų reikalavimai

This document specifies definitions, principles of construction (but not dimensions) and design, requirements on performance and operation as well as methods for testing the performance of adjustable chemical dosing systems for conditioning water intended for human consumption inside buildings (see [1]) which are permanently connected to the mains supply.

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prEN 16715 Naujas

Komentavimo iki data 2025-06-03

Skystieji naftos produktai. Vidutinių distiliacinių degalų užsidegimo vėlavimo trukmės ir išvestinio cetaninio skaičiaus nustatymas. Užsidegimo ir degimo vėlavimo trukmės nustatymas, naudojant pastovaus tūrio degimo kamerą su tiesioginiu degalų įpurškimu

This document specifies a test method for the quantitative determination of ignition and combustion delays of middle distillate fuels intended for use in compression ignition engines. The method utilizes a constant volume combustion chamber with direct fuel injection into heated, compressed synthetic air. A dynamic pressure wave is produced from the combustion of the product under test. An equation is given to calculate the derived cetane number (DCN) from the ignition and combustion delays determined from the dynamic pressure curve. This document is applicable to middle distillate fuels, fatty acid methyl esters (FAME) and blends of diesel fuels and FAME. The method is also applicable to middle distillate fuels of non-petroleum origin, oil-sands based fuels, blends of fuel containing biodiesel material, diesel fuel oils containing cetane number improver additives and low-sulphur diesel fuel oils. However, users applying this document especially to unconventional distillate fuels are warned that the relationship between derived cetane number and combustion behaviour in real engines is not yet fully understood. This document covers the ignition delay range from 2,6 ms to 3,9 ms and combustion delay from 3,78 ms to 6,56 ms (62,78 DCN to 39,44 DCN). NOTE The combustion analyser can measure shorter or longer ignition and combustion delays, but precision is not known. WARNING - The use of this document can involve hazardous materials, operations and equipment. This document does not purport to address all of the safety problems associated with its use. It is the responsibility of users of this document to take appropriate measures to ensure the safety and health of personnel prior to application of the document, and fulfil statutory and regulatory requirements for this purpose.

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prEN ISO 10322 Naujas

Komentavimo iki data 2025-06-03

Oftalmologinė optika. Akinių lęšių pusgaminiai (ISO/DIS 10322:2025)

ISO 10322-1:2016 specifies requirements for the optical and geometrical properties of all semi-finished single-vision and multifocal spectacle lens blanks.

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EN ISO 1942:2020/prA1 Naujas

Komentavimo iki data 2025-06-03

Odontologija. Aiškinamasis žodynas. 1 keitinys. Bandymų tipų apibrėžtys, naudojamos rengiant standartus (ISO 1942:2020/DAM 1:2025)

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prEN 18171 Naujas

Komentavimo iki data 2025-06-03

Geležinkelio taikmenys. Geležinkelio riedmenys. Prekinių vagonų skaitmeninė automatinė sankaba. Eksploatacinių charakteristikų reikalavimai, specifinė sąsajos geometrija ir bandymo metodas

This European Standard specifies the requirements for the digital automatic coupler (DAC) for freight compliant with the Technical Specification relating to the subsystem ‘rolling stock — freight wagons’ of the rail system in the European Union Commission Regulation (EU) No 321/2013 of 13 March 2013 and repealing Decision 2006/861/EC and EU regulation 2019/776. Commission Regulation (EU) No 1302/2014 of 18 November 2014 concerning a technical specification for interoperability relating to the ‘rolling stock — locomotives and passenger rolling stock’. This standard specifies the minimum interface requirements to allow automatic coupling (mechanical and pneumatic) of two digital automatic couplers. The standard further specifies the mechanical interfaces needed for the interoperability of electrical couplers. It does not cover the electrical contacts needed. The standard covers the requirements for DACs integrated into locomotives. Coupler-to-coupler interfaces for the Hybrid coupler solutions will be covered in this standard. All non-mechanical interfaces such as the digital and electrical requirements needed for the DAC are defined in the scope of CENELEC/TC9X/WG 15-10.

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prEN ISO 11979-4 Viešoji apklausa

Komentavimo iki data 2025-05-05

Oftalmologiniai implantai. Intraokuliniai lęšiai. 4 dalis. Ženklinimas ir informacija (ISO/DIS 11979-4:2025)

ISO 11979-4:2008 specifies the labelling requirements for intraocular lenses (IOLs) and the information to be provided within or on the packaging.

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prEN ISO 23402-1 Viešoji apklausa

Komentavimo iki data 2025-05-29

Odontologija. Nešiojamoji odontologijos įranga, skirta naudoti ne sveikatos priežiūros įstaigose. 1 dalis. Bendrieji reikalavimai (ISO 23402-1:2025)

This document specifies general requirements and test methods for portable dental equipment for use in non-permanent healthcare environments. Portable dental equipment within the scope of this document includes portable dental units, portable patient chairs, portable operator's stools, portable operating lights, portable suction source equipment, portable air compressors and other portable dental equipment in instances where these devices are designed and constructed to be transported for use in non-permanent healthcare environments. NOTE Particular requirements for specific types of portable dental equipment for use in non-permanent healthcare environments are specified in subsequent parts of this document. This document does not apply to stationary dental equipment, wearable equipment (such as headlamps and loupes), mobile dental equipment or portable dental equipment that is not intended to be used in non-permanent healthcare environments or not designed to be disassembled, folded or packed for human transport between non-permanent healthcare environments. Also, requirements for stationary dental equipment that can be installed in a dental mobile medical facility (e.g. vehicular or containerized mobile dental clinic) are not considered in this document.

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prEN ISO 10993-11 Viešoji apklausa

Komentavimo iki data 2025-05-29

Biologinis medicinos priemonių įvertinimas. 11 dalis. Sisteminio toksiškumo tyrimai (ISO 10993-11:2025)

ISO 10993-11:2017 specifies requirements and gives guidance on procedures to be followed in the evaluation of the potential for medical device materials to cause adverse systemic reactions.

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prEN ISO 12052 Viešoji apklausa

Komentavimo iki data 2025-05-29

Sveikatos informatika. Skaitmeninių vaizdų sudarymas ir perdavimas medicinoje (DICOM), įskaitant darbo eigos ir duomenų valdymą (ISO 12052:2025)

ISO 12052:2017, within the field of health informatics, addresses the exchange of digital images and information related to the production and management of those images, between both medical imaging equipment and systems concerned with the management and communication of that information. ISO 12052:2017 facilitates interoperability of medical imaging equipment by specifying: - for network communications, a set of protocols to be followed by devices claiming conformance to this document; - the syntax and semantics of Commands and associated information which can be exchanged using these protocols; - for media communication, a set of media storage services to be followed by devices claiming conformance to this document, as well as a File Format and a medical directory structure to facilitate access to the images and related information stored on interchange media; - information that is to be supplied with an implementation for which conformance to this document is claimed. ISO 12052:2017 does not specify: - the implementation details of any features of the DICOM standard on a device claiming conformance; - the overall set of features and functions to be expected from a system implemented by integrating a group of devices each claiming conformance to this document; - a testing/validation procedure to assess an implementation's conformance to this document. ISO 12052:2017 pertains to the field of medical informatics. Within that field, it addresses the exchange of digital information between medical imaging equipment and other systems. Because such equipment may interoperate with other medical devices and information systems, the scope of this document needs to overlap with other areas of medical informatics. However, this document does not address the full breadth of this field. ISO 12052:2017 has been developed with an emphasis on diagnostic medical imaging as practiced in radiology, cardiology, pathology, dentistry, ophthalmology and related disciplines, and image-based therapies such as interventional radiology, radiotherapy and surgery. However, it is also applicable to a wide range of image and non-image related information exchanged in clinical, research, veterinary, and other medical environments. ISO 12052:2017 facilitates interoperability of systems claiming conformance in a multi-vendor environment, but does not, by itself, guarantee interoperability.

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prEN IEC 60335-2-32:2025/prAA:2025 Viešoji apklausa