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prEN ISO 21388-1 Viešoji apklausa

Komentavimo iki data 2025-08-28

Akustika. Klausos aparatų pritaikymo valdymas. 1 dalis. Bendrasis procesas (ISO/DIS 21388-1:2025)

This document applies to hearing aid fitting management (HAFM) services offered by hearing aid professionals (HAP) when providing benefit for their clients. The provision of hearing aids relies on the knowledge and practices of a hearing aid professional, to ensure the proper fitting and adequate service in the interest of the client with hearing loss. This document specifies general processes of HAFM from the client profile to the follow-up through administering, organising and controlling hearing aid fitting through all stages. It also specifies important preconditions such as education, facilities and systems that are required to ensure proper services. The focus of this document is the services offered to the majority of adult clients with hearing impairment. It is recognized that certain populations with hearing loss such as children, persons with other disabilities or persons with implantable devices can require services outside the scope of this document. This document generally applies to air conduction hearing aids and for the most part also to bone conduction devices. Hearing loss can be a consequence of serious medical conditions. Hearing aid professionals are not in a position to diagnose or treat such conditions. When assisting clients seeking hearing rehabilitation without prior medical examination, hearing aid professionals are expected to be observant of symptoms of such conditions and refer to proper medical care. Further to the main body of the document, which specifies the HAFM requirements and processes, several informative annexes are provided. Appropriate education of hearing aid professionals is vital for exercising HAFM. Annex A defines the competencies required for the HAFM processes. Annex B offers a recommended curriculum for the education of hearing aid professionals. Annex C is an example of an appropriate fitting room. Annex D gives guidance on the referral of clients for medical or other specialist examination and treatment. Annex E is a recommendation for important information to be exchanged with the client during the process of HAFM. Annex F is a comprehensive terminology list offering definitions of the most current terms related to HAFM. It is the intention that these annexes be helpful to those who wish to deliver HAFM of the highest quality.

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prEN ISO 11135 Viešoji apklausa

Komentavimo iki data 2025-08-28

Sveikatos priežiūros gaminių sterilizavimas. Etileno oksidas. Medicinos priemonių sterilizavimo proceso kūrimo, validavimo ir einamosios kontrolės reikalavimai (ISO/DIS 11135:2025)

ISO 11135:2014 specifies requirements for the development, validation and routine control of an ethylene oxide sterilization process for medical devices in both the industrial and health care facility settings, and it acknowledges the similarities and differences between the two applications.

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prEN IEC 63584-210:2025 Viešoji apklausa

Komentavimo iki data 2025-08-27

Atvirasis įkrovimo prieigų protokolas 2.1 (paspartintas procesas)

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prEN IEC 60974-1:2025 Viešoji apklausa

Komentavimo iki data 2025-08-27

Lankinio suvirinimo įranga. 1 dalis. Suvirinimo srovės šaltiniai

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prEN IEC 60034-8:2025 Viešoji apklausa

Komentavimo iki data 2025-08-27

Sukiosios elektros mašinos. 8 dalis. Gnybtų žymenys ir sukimosi kryptis

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prEN IEC 60068-3-6:2025 Viešoji apklausa

Komentavimo iki data 2025-08-08

Aplinkos poveikio bandymai. 3-6 dalis. Lydimieji dokumentai ir nurodymai. Temperatūros ir drėgmės kamerų charakteristikų patvirtinimas

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EN 60531:2000/prAB:2025 Viešoji apklausa

Komentavimo iki data 2025-08-27

Buitiniai elektriniai akumuliaciniai patalpų šildytuvai. Eksploatacinių charakteristikų matavimo metodai

Applies to electric storage heaters intended to heat the room in which they are located. It defines the main performance characteristics and describes methods for measuring these characteristics. It does not apply to heating appliances incorporated in the building structure, to central heating systems or to floor heating appliances.

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EN 60675:1995/prAB:2025 Viešoji apklausa

Komentavimo iki data 2025-08-27

Tiesioginio veikimo buitiniai elektriniai patalpų šildytuvai. Eksploatacinių charakteristikų matavimo metodai

Applies to electric direct-acting room heaters. They may be portable, stationary, fixed or built-in. It defines the main performance characteristics and the methods for measuring these characteristics. For thermal-storage room heaters, see IEC 60531.

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prEN IEC 61853-2:2025 Viešoji apklausa

Komentavimo iki data 2025-08-27

Fotovoltinių modulių eksploatacinių charakteristikų bandymai ir energiniai parametrai. 2 dalis. Spektrinio jautrio, kritimo kampo ir nominaliosios modulių veikimo temperatūros matavimai

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prEN 319 401 V3.2.0 (2025-06) Viešoji apklausa

Komentavimo iki data 2025-08-31

Electronic Signatures and Trust Infrastructures (ESI); General Policy Requirements for Trust Service Providers

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prEN 300 440-2 V3.1.0 (2025-06) Viešoji apklausa

Komentavimo iki data 2025-08-31

Trumpojo nuotolio įtaisai, veikiantys 40–260 GHz dažnių diapazone. Prieigos prie radijo ryšio spektro darnusis standartas. 2 dalis. Vietai sekti skirta nustatymo radijo bangomis įranga, veikianti 2,4–2,4835 Ghz dažnių diapazone

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prEN 18207 Viešoji apklausa

Komentavimo iki data 2025-08-26

Dumbliai ir jų produktai. Urono rūgščių kiekio rudadumblainiuose ir alginatiniuose produktuose nustatymas

This document specifies a method for the quantitative determination of total uronic acids by High-Performance Anion Exchange Chromatography coupled with Pulsed Amperometric Detection (HPAEC-PAD) after acid hydrolysis of the samples. It provides a single analysis method for determining mannuronic, glucuronic, and guluronic acids in brown seaweed and alginate products.

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prEN 18206 Viešoji apklausa

Komentavimo iki data 2025-08-26

Dumbliai ir jų produktai. Ėminių ėmimo ir analizės metodai. Beta karoteno, fukoksantino ir liuteino kiekio mikrodumbliuose nustatymas

This European standard specifies a laboratory method for the determination of the carotenoid content in microalgae. The method is based on the development of the chlorophyll a standard, which resulted in prEN 18034. This method has been validated for the microalgae species Nannochloropsis and Phaodactlylum. This standard is only validated for fucoxanthin, beta carotene and lutein content, but could be used for other carotenoids as well. Given small adaptations to be able to measure smaller concentrations, this method could also be used for macro algae. This standard is developed in CEN/TC 454/WG 6 Product test methods.

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prEN 18204 Viešoji apklausa

Komentavimo iki data 2025-08-26

Dumbliai ir jų produktai. Fikocianino kiekio Arthrospira (Spirulina) nustatymas

This document specifies a laboratory method for the quantification of phycocyanin content in the genus Arthrospira (Spirulina) by a spectrophotometric method.

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prEN ISO/ASTM 52946 Viešoji apklausa

Komentavimo iki data 2025-08-26

Adityvioji gamyba naudojant metalus. Lydymas miltelių sluoksnyje. Nerūdijančiojo plieno lydinių medžiagų savybės (ISO/ASTM DIS 52946:2025)

This document covers additively manufactured stainless steel components using full-melt powder bed fusion such as electron beam melting and laser melting. The components produced by these processes are used typically in applications that require mechanical properties similar to machined forgings and wrought products. Components manufactured to this specification are often, but not necessarily, post processed via machining, grinding, electrical discharge machining (EDM), polishing, and so forth to achieve desired surface finish and critical dimensions. This document is intended for the use of mechanical engineers to size equipment, purchasers or producers, of additively manufactured components for defining the requirements and ensuring component properties. This document does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this document to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

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prEN ISO 19424 Viešoji apklausa

Komentavimo iki data 2025-08-26

Maisto šaldymo spintos. Šiluminės ir energinės charakteristikos, eksploataciniai duomenys, bandymo aplinkos sąlygos ir susiję bandymo metodai (ISO/DIS 19424:2025)

This standard specifies requirements for the thermal and energy performance of refrigerated food lockers, in given environmental conditions and intended for the temporary cold storage of chilled or frozen pre-ordered or pre-selected foodstuff until the final collection by the consumer. The standard also covers construction characteristics relevant for the thermal and energy performance. This standards specifies tests conditions and methods for checking the requirements to be satisfied, as well as classification of refrigerated lockers, their marking and the list of characteristics to be declared by the manufacturer. This standard is not applicable to refrigerated vending machines, It is also not applicable for commercial beverage coolers covered by ISO 22044, ice cream freezers covered by ISO 22043 and refrigerated display cabinets covered by ISO 23953 as well as to cabinets intended for storage or cabinets intended for use, for instance, in catering or non-retail refrigerated applications. The standard does not cover any safety aspects. The standard is not intended to specify the correct and/or hygienically safe storage temperatures for a specific foodstuff.

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prEN 18235-1 Viešoji apklausa

Komentavimo iki data 2025-08-26

Patikimos duomenų operacijos. 1 dalis. Terminija, sąvokos ir mechanizmai

This document provides terminology, concepts and a description of mechanisms in the field of data exchange focusing on trusted data transactions. Those elements can be used in the development of standards in support of trusted data transactions and constitute a basis to identify key dimensions and criteria that contribute to the trust in a data transaction between interested parties. Therefore, those elements constitute a foundational understanding on which trusted data transactions can be based, independently of any architectural choices or technical implementation.

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prEN ISO 13680 Viešoji apklausa

Komentavimo iki data 2025-08-31

Naftos ir dujų pramonė, įskaitant mažesnio anglies dioksido pėdsako energijos gamybą. Besiūliai korozijai atsparių lydinių gaminiai, skirti naudoti kaip apsauginės kolonos, vamzdžiai, movų ruošiniai ir pagalbinių reikmenų medžiaga. Techninės tiekimo sąlygos (ISO 13680:2024)

This document specifies the technical delivery conditions for corrosion-resistant alloy seamless tubular products for casing, tubing, coupling stock and accessory material (including coupling stock and accessory material from bar) for two product specification levels:  PSL-1, which is the basis of this document;  PSL-2, which provides additional requirements for a product that is intended to be both corrosion and cracking resistant for the environments and qualification method specified in Annex G and in the ISO 15156 series. At the option of the manufacturer, PSL-2 products can be provided in lieu of PSL-1. NOTE 1 The corrosion-resistant alloys included in this document are special alloys in accordance with ISO 4948-1 and ISO 4948-2. NOTE 2 For the purpose of this document, NACE MR0175 is equivalent to the ISO 15156 series. NOTE 3 Accessory products can be manufactured from coupling stock and tubular material, or from solid bar stock or from bored and heat heat-treated bar stock as covered in Annex F. This document contains no provisions relating to the connection of individual lengths of pipe. This document contains provisions relating to marking of tubing and casing after threading. This document is applicable to the following five groups of products: a) group 1, which is composed of stainless alloys with a martensitic or martensitic/ferritic structure; b) group 2, which is composed of stainless alloys with a ferritic-austenitic structure, such as duplex and super-duplex stainless alloy; c) group 3, which is composed of stainless alloys with an austenitic structure (iron base); d) group 4, which is composed of nickel-based alloys with an austenitic structure (nickel base); e) group 5, which is composed of bar only (Annex F) in age-hardened (AH) nickel-based alloys with austenitic structure. NOTE 4 Not all PSL-1 categories and grades can be made cracking resistant in accordance with the ISO 15156 series and are, therefore, not included in PSL-2.

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prEN 15721 Viešoji apklausa

Komentavimo iki data 2025-08-26

Etanolis kaip benzino kompaundavimo komponentas. Aukštesniųjų alkoholių, metanolio ir kitų priemaišų nustatymas. Dujų chromatografijos metodas

This document specifies a gas chromatographic method for ethanol, in which higher alcohols (propan-1-ol, butan-1-ol, butan-2-ol, 2-methylpropan-1-ol (iso-butanol), 2-methylbutan-1-ol, and 3-methylbutan-1-ol) from (0,1 up to 2,5) mass percentage, methanol from (0,1 up to 3) mass percentage and other impurities, in the range from (0,1 up to 2) mass percentage are determined. Impurities are all the compounds not attributed to the groups of higher alcohols or methanol. NOTE 1 The European ethanol blending component specification [1] sets a limit for the combined result of ethanol + higher alcohols, not the ethanol content itself. The method is developed for non-denatured ethanol samples. With sufficient attention to correct separation of the higher alcohols and other components, determination of hydrocarbons in ethanol that contains denaturants as per EN 15376[1] is possible. Water, if present in the sample, is not included in this analysis, because a signal for water is not visible in the chromatogram. Therefore, if "alcohol content" is called up in a specification, water needs to be considered separately in the calculations. NOTE 2 For the purposes of this document, the term “% (m/m)” is used to represent the mass percentage or mass fraction (ω).

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prEN 3613 Viešoji apklausa

Komentavimo iki data 2025-08-26

Aerospace series - Bolts, normal hexagonal head, relieved shank, long thread, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), silver plated - Classification: 1 275 MPa/650 °C

This document specifies the characteristics of bolts normal hexagonal head with relieved shank and long thread in heat resisting nickel base alloy NI-PH2601 (Inconel 718), for aerospace applications. Classification: 1 275 MPa /650 °C

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EN 15016-2:2023/prA1 Viešoji apklausa

Komentavimo iki data 2025-08-26

Geležinkelio taikmenys. Techniniai dokumentai. 2 dalis. Dalių sąrašai

This document specifies the preparation and reproduction of design parts lists. This document defines the basic principles and structure of design parts lists. This document is applicable to all design parts lists for railway applications.

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prEN ISO 17249 Viešoji apklausa

Komentavimo iki data 2025-08-26

Saugioji avalynė, skirta rankinių grandininių pjūklų naudotojams (ISO/DIS 17249:2024)

This International Standard specifies requirements for safety footwear for users of handheld chain saws. It also specifies requirements for footwear for users of handheld chain saws equipped with customized insocks, customized footwear with resistance to chain saw cutting or individual manufactured customized footwear with resistance to chain saw cutting. Special risks are covered by complementary job-related standards (e.g. electrically insulating footwear, protection against molten metal splash)

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EN ISO 21805:2023/prA1 Viešoji apklausa

Komentavimo iki data 2025-08-26

Įtaisų, padedančių išlaikyti dujinėmis gaisro gesinimo sistemomis apsaugotų atitvarų konstrukcinį vientisumą, projektavimo, parinkimo ir įrengimo nurodymai ir rekomendacijos. 1 keitinys (ISO 21805:2023/DAM 1:2025)

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prEN ISO 16994 Viešoji apklausa

Komentavimo iki data 2025-08-26

Kietasis biokuras ir pirogeninės medžio anglys. Sieros ir chloro kiekio nustatymas (ISO/DIS 16994:2025)

ISO 16994:2016 describes methods for the determination of the total sulfur and total chlorine content in solid biofuels. It specifies two methods for decomposition of the fuel and different analytical techniques for the quantification of the elements in the decomposition solutions. The use of automatic equipment is also included in ISO 16994:2016, provided that a validation is carried out as specified and that the performance characteristics are similar to those of the method described in ISO 16994:2016.

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prEN ISO 23611-1 Viešoji apklausa

Komentavimo iki data 2025-08-26

Dirvožemio kokybė. Dirvožemio bestuburių ėminių ėmimas. 1 dalis. Rankinis sliekų rūšiavimas ir jų išvarymas (ISO/DIS 23611-1:2025)

This document specifies a method for sampling and handling earthworms from field soils as a prerequisite for using these animals as bioindicators (e.g. to assess the quality of a soil as a habitat for organisms). This document applies to all terrestrial biotopes in which earthworms occur. The sampling design of field studies in general is given in ISO 18400‑101 and guidance on the determination of effects of pollutants on earthworms in field situations is given in ISO 11268‑3. These aspects can vary according to the national requirements or the climatic/regional conditions of the site to be sampled (see also Annex C). This document is not applicable for semi-terrestrial soils and it can be difficult to use under extreme climatic or geographical conditions (e.g. in high mountains). Methods for some other soil organism groups, such as collembolans, are covered in other parts of ISO 23611.

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