Standartų projektų sąrašas

prEN ISO 21415-2 Viešoji apklausa

Komentavimo iki data 2025-09-25

Kviečiai ir kvietiniai miltai. Glitimo kiekis. 2 dalis. Šlapiojo glitimo ir glitimo indekso nustatymas mechaninėmis priemonėmis (ISO/DIS 21415-2:2025)

ISO 21415-2:2015 specifies a method for determining the content of wet gluten and the gluten index for wheat flours (Triticum aestivum L. and Triticum durum Desf.) by mechanical means. This method is directly applicable to flours. It also applies to common and durum wheat after grinding, if their particular size distribution meets the specification given in Table B.1.

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prEN IEC 63550-1:2025 Viešoji apklausa

Komentavimo iki data 2025-11-12

Puslaidininkiniai įtaisai. Neuromorfiniai įtaisai. 1 dalis. Memristorinių įtaisų pagrindinių charakteristikų įvertinimo metodas

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prEN IEC 61755-3-7:2025 Archyvuotas

Komentavimo iki data 2025-09-03

Skaiduliniai optiniai sujungimo įtaisai ir pasyvieji komponentai. Optiniai jungčių sietuvai. 3-7 dalis. Nepaslinktosios dispersijos vienmodžių fiziškai suliečiamų skaidulų jungčių parametrai. Nenusklembtos 2,5 mm ir 1,25 mm skersmens cilindrinės sudėtinės movinės jungtys, kurių skaidulą gaubia titanas

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prEN ISO 5667-15 Archyvuotas

Komentavimo iki data 2025-09-16

Vandens kokybė. Mėginių ėmimas. 15 dalis. Dumblo, nuosėdų ir skendinčiųjų medžiagų mėginių konservavimas ir tvarkymas (ISO/DIS 5667-15:2025)

This part of ISO 5667 specifies the general requirements on procedures for the preservation, handling and storage of samples of sewage and waterworks sludge, suspended matter, marine sediments and freshwater sediments for chemical, physical, radiochemical and/or biological examination in the laboratory. The procedures in this part of ISO 5667 are only applicable to wet samples of sludge, sediment and suspended matter. NOTE The storage conditions given do not necessarily apply for derived samples, for example sediment eluates or extracts. This document is not applicable to samples intended for biotesting with ecotoxicological or biological assays (which is specified in ISO 5667-16[5]) nor intended for microplastics (which is specified in ISO 5667-27[7]).

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EN ISO 10079-1:2022/prA1:2025 Viešoji apklausa

Komentavimo iki data 2025-10-14

Medicininė siurbimo įranga. 1 dalis. Elektrinė siurbimo įranga. 1 keitinys. Vandens įtekėjimas (ISO 10079-1:2022/DAmd1:2025)

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prEN 4500-002 Viešoji apklausa

Komentavimo iki data 2025-10-21

Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 002: Specific rules for aluminium, aluminium alloys and magnesium alloys

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prEN 18226 Viešoji apklausa

Komentavimo iki data 2025-11-11

Plunksnos ir pūkai. Bandymo metodai. Su kitomis medžiagomis sumaišytų plunksnų ir pūkų kiekybinės sudėties nustatymas

This document specifies a method for the determination of the composition of blends of feather and/or down mixed with other materials suitable for or constituting filled manufactured articles in order to label and/or mark it or to verify the denominations reported on the label. The determination is conditional upon the availability of a declaration of the composition of the non-plumage component.

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prEN IEC 61760-4:2025 Archyvuotas

Komentavimo iki data 2025-09-03

Paviršinio montavimo technologija. 4 dalis. Drėgmei jautrių įtaisų klasifikavimas, pakavimas, ženklinimas ir tvarkymas

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prEN ISO 17574 Viešoji apklausa

Komentavimo iki data 2025-09-21

Elektroninis mokesčių rinkimas. Saugumo apsaugos profilių gairės (ISO/DIS 17574:2025)

ISO/TS 17574:2017 provides guidelines for preparation and evaluation of security requirements specifications, referred to as Protection Profiles (PP) in ISO/IEC 15408 (all parts) and in ISO/IEC TR 15446. By Protection Profile (PP), it means a set of security requirements for a category of products or systems that meet specific needs. A typical example would be a PP for On-Board Equipment (OBE) to be used in an EFC system. However, the guidelines in this document are superseded if a Protection Profile already exists for the subsystem in consideration.

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prEN 1846-3 Viešoji apklausa

Komentavimo iki data 2025-10-14

Gaisrų gesinimo ir gelbėjimo tarnybų transporto priemonės. 3 dalis. Stacionarioji įranga. Sauga ir eksploatacinės charakteristikos

1.1 This document specifies the minimum requirements for safety and performance of some optional specific permanently installed equipment on firefighting and rescue service vehicles, operated by trained persons, as designated in EN 18461 and specified in EN 18462. NOTE 1 Categories and mass classes of the firefighting and rescue service vehicles are given in EN 18461. NOTE 2 Vehicle means terrestrial vehicles which can also drive on rails and amphibious vehicles. The permanently installed equipment covered by this document is given below: — water installation; — additive installation; — monitor; — equipment gantries; — demountable systems. This document applies also to the use of wireless control systems. For the purposes of this document, the normal ambient temperature range is 15 °C to + 40 °C. 1.2 This document does not apply to the following types of equipment: — all control systems outside of the cabin related to hook arm system; — provisions for nonfirefighting removable equipment driven by PTO. 1.3 This document applies to the technical requirements to minimise the hazards listed in Clause 4 which can arise during operational use, routine checking and maintenance of firefighting and rescue service vehicles. It does not cover the hazards generated by: — nonpermanently installed equipment i.e. portable equipment carried on the vehicle; — use in potentially explosive atmospheres; — commissioning and decommissioning; — noise (as permanently installed equipment cannot be operated separately from the vehicle, this hazard is covered in Part 2); — electromagnetic compatibility; — cyber security; — cyber safety. Additional measures not dealt with in this document can be necessary for specific use (e.g. fire in natural environment, flooding, etc.). 1.4 This document is not applicable to the equipment which is manufactured before its date of publication by CEN.

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prEN ISO 11704 Viešoji apklausa

Komentavimo iki data 2025-11-11

Vandens kokybė. Visuminis alfa ir visuminis beta aktyvumas. Tyrimo metodas naudojant blyksnių skystyje skaičiavimą (ISO/DIS 11704:2025)

This document specifies a method to measure gross alpha and gross beta activity concentration for alphaand beta-emitting radionuclides using Liquid Scintillation Counting (LSC). The method is applicable to all types of waters with a dry residue of less than 5 g·l-1and when no correction for colour quenching is necessary. The method is applicable to test samples non-saline waters following proper sampling, handling and preparation. Gross alpha and beta measurements do not provide the exact radioactive content of a sample but estimate activity based on standard calibration sources. These measurements, known as the alpha and beta index, serve as screening tools for an initial assessment of total radioactivity. The method covers non-volatile radionuclides below 80 °C, since some gaseous or volatile radionuclides (e.g. radon and radioiodine) can be lost during the source preparation. The method is applicable to test samples of drinking water, rain water, surface and ground water as well as cooling water, industrial water, domestic and industrial waste water after proper sampling and test sample preparation (filtration when necessary and taking into account the amount of dissolved material in the water). The detection limit depends on the sample volume, the instrument used, the background count rate, the detection efficiency and the counting time. The detection limit of the method described in this document, using currently available liquid scintillation apparatus, is approximately 20 mBq·kg-1(α) and 100 mBq·kg-1(β), which is lower than the WHO criteria for safe consumption of drinking water 500 mBq·kg-1(α) and 1 000 mBq·kg-1(β).[4] This value can typically be achieved with a counting time of 500 min for a test sample volume of 0,08 l. The method described in this document is applicable in the event of an emergency situation, because the results can be obtained in less than 4 h by directly measuring water test samples without any treatment.

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prEN IEC 60695-1-14:2025 Naujas

Komentavimo iki data 2025-11-19

Gaisrinio pavojingumo bandymai. 1-14 dalis. Nurodymai dėl žemosios įtampos elektrotechninių gaminių skirtingų galios ir energijos lygių, susijusių su užsidegimo ir gaisro tikimybe

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prEN 50270:2025 Archyvuotas

Komentavimo iki data 2025-09-12

Elektromagnetinis suderinamumas. Elektriniai aparatai degiosioms ir nuodingosioms dujoms bei deguoniui aptikti ir matuoti

This document specifies requirements for the electromagnetic compatibility (EMC) for electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen which are subject to the performance standards for gas detection apparatus, for example EN 45544 (all parts), EN 50104, EN 50194 (all parts), EN 50291 (all parts), EN 50379 (all parts), EN 50543, EN 50545 1, EN 60079 29 1 or EN 60079 29 4. NOTE For the purpose of this standard, the word ‘toxic’ covers ‘very toxic’, ‘toxic’, ‘harmful’, ‘corrosive‘, ‘irritating‘, ‘sensitizing‘, ‘carcinogenic‘, ‘mutagenic‘ and ‘teratogenic‘. This document applies to apparatus intended for use in residential, commercial and light-industrial environments as well as to apparatus intended for use in industrial environments, and includes AC-, DC- or battery powered apparatus. This document is also applicable to apparatus which is intended for use in hazardous areas which could contain explosive or potentially explosive atmospheres. It covers only normal operation and does not cover safety requirements related to EMC phenomena. This document is a product standard which is based on the product family standard EN 61326 1. prEN 50270:2019 takes precedence over the product family standard and over generic standards. This document applies to electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen that include functions specified by the manufacturer as being safety functions and can include functions specified as not being safety functions. All performance standards for the detection and measurement of combustible gases, toxic gases or oxygen include the minimum requirements for functional safety specified in EN 50271. There are also gas detectors and gas detection systems which are intended to be used with safety integrity levels SIL 1 to SIL 3 according to EN 50402 and EN 61508 (all parts). For functional safety in industrial applications, this document has taken into account those aspects of EN 61326 3 2 relating to the measuring and warning function of the apparatus defined as safety function. This standard specifies requirements for immunity tests in relation to continuous and transient, conducted and radiated disturbances, including electrostatic discharges, and also for emission tests. The test requirements are specified for each port considered. Apparatus falling within the scope of this document are classified as follows by the following types. — Type 1: apparatus intended for use in residential, commercial and light-industrial environments, as described in EN 61000 6 1 and EN 61000 6 3. — Type 2: apparatus intended for use in industrial environments, as described in EN 61000 6 2 and EN 61000 6 4. Type 1 apparatus for which the manufacturer claims a safety integrity level should be considered as type 2 apparatus with regard to immunity requirements. This document does not apply to any of the following: — apparatus intended for the detection of dusts or mists in air; — scientific or laboratory based apparatus used only for analysis or measurement; — apparatus used exclusively for process measurement purposes; — apparatus for medical purposes; — apparatus used for breath alcohol measurement — apparatus intended for the direct measurement of automotive exhaust gases.

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prEN ISO 18090-1 Archyvuotas

Komentavimo iki data 2025-09-04

Radiacinė sauga. Pamatinės pulsuojamosios spinduliuotės charakteristikos. 1 dalis. Fotoninė spinduliuotė (ISO/DIS 18090-1:2025)

ISO/TS 18090-1:2015 is directly applicable to pulsed X-radiation with pulse duration of 0,1 ms up to 10 s. This covers the whole range used in medical diagnostics at the time of publication. Some specifications may also be applicable for much shorter pulses; one example is the air kerma of one pulse. Such a pulse may be produced, e.g. by X-ray flash units or high-intensity femtosecond-lasers. Other specifications are not applicable for much shorter pulses; one example is the time-dependent behaviour of the air kerma rate. This may not be measurable for technical reasons as no suitable instrument is available, e.g. for pulses produced by a femtosecond-laser. ISO/TS 18090-1:2015 specifies the characteristics of reference pulsed radiation for calibrating and testing radiation protection dosemeters and dose rate meters with respect to their response to pulsed radiation. The radiation characteristics includes the following: a) time-dependent behaviour of the air kerma rate of the pulse; b) time-dependent behaviour of the X-ray tube high voltage during the pulse; c) uniformity of the air kerma rate within a cross-sectional area of the radiation beam; d) air kerma of one radiation pulse; e) air kerma rate of the radiation pulse; f) repetition frequency. ISO/TS 18090-1:2015 does not define new radiation qualities. Instead, it uses those radiation qualities specified in existing ISO and IEC standards. This part of ISO/TS 18090 gives the link between the parameters for pulsed radiation and the parameters for continuous radiation specifying the radiation qualities. It does not specify specific values or series of values for the pulsed radiation field but specifies only those limits for the relevant pulsed radiation parameters that are required for calibrating dosemeters and dose rate meters and for determining their response depending on the said parameters. The pulse parameters with respect to the phantom-related quantities were determined using conversion coefficients according to ISO 4037 (all parts). This is possible as the radiation qualities specified in existing ISO and IEC standards are used. A given reference pulsed X-ray facility is characterized by the parameter ranges over which the full specifications and requirements according to this part of ISO/TS 18090 are met. Therefore, not all reference pulsed X-ray facilities can produce pulses covering the same parameter ranges.

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prEN 50121-3-2:2025 Viešoji apklausa

Komentavimo iki data 2025-10-08

Geležinkelio taikmenys. Elektromagnetinis suderinamumas. 3-2 dalis. Riedmenys. Aparatai

This document applies to emission and immunity aspects of EMC for electrical and electronic apparatus intended for use on railway rolling stock. prEN 50121 3 2:2025 applies for the integration of apparatus on rolling stock. The test frequency range defined in this document is considered to ensure the electromagnetic compatibility of the apparatus in the whole frequency range from 0 Hz (DC) to 400 GHz. The application of tests depends on the particular apparatus, its configuration, its ports, its technology and its operating conditions. This document takes into account the internal environment of the railway rolling stock and the external environment of the railway, and interference to the apparatus from equipment such as hand-held radio-transmitters. This document does not apply to transient emissions when starting or stopping the apparatus. The objective of this document is to define limits and test methods for electromagnetic emissions and immunity test requirements in relation to conducted and radiated disturbances. These limits and tests represent essential electromagnetic compatibility requirements. Emission requirements have been selected so as to ensure that disturbances generated by the apparatus operated normally on railway rolling stock do not exceed a level which could prevent other apparatus from operating as intended. Likewise, the immunity requirements have been selected so as to ensure an adequate level of immunity for rolling stock apparatus. Test requirements are specified for each port considered. AC and DC traction power ports (see Table A.2) are not covered in this document.

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prEN ISO 16911-1 Viešoji apklausa

Komentavimo iki data 2025-10-14

Stacionariųjų šaltinių išmetamieji teršalai. Rankinis ir automatinis tekėjimo greičio ir tūrio srauto kanaluose nustatymas. 1 dalis. Rankinis pamatinis metodas (ISO/DIS 16911-1:2025)

This document specifies a method for periodic determination of the axial velocity and volume flow rate of gas within emissions ducts and stacks. It is applicable for use in circular or rectangular ducts with measurement locations meeting the requirements of ISO 15259. Minimum and maximum duct sizes are driven by practical considerations of the measurement devices described within this document. NOTE ISO 15259 is identical to EN 15259[12]. This document requires all flow measurements to have demonstrable metrological traceability to national or international primary standards. This document applies to a range of monitoring objectives with different uncertainty requirements, ranging from very stringent (Emission Trading Schemes and calibration of automated flow measuring systems) to less demanding (support of isokinetic sampling). The level of quality control within this document is determined by the uncertainty requirements of the monitoring objective. Monitoring objectives are grouped based on the required quality control. The document specifies which requirements and performance characteristics apply to specified measurement objectives and application areas. The methods specified in this document can be used as a standard reference method, if the user demonstrates that the performance characteristics of the methods are equal to or better than the performance criteria specified in this document and that the expanded uncertainty of the measurement results obtained by the methods, expressed with a level of confidence of 95 %, is determined and reported. The results for each method defined in this document have different uncertainties within a range of 1 % to 10 % at flow velocities of 20 m/s. Other methods can be used provided that the user can demonstrate equivalence, e.g. based on the principles of EN 14793[11].

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EN 17860-2:2024/prA1 Viešoji apklausa

Komentavimo iki data 2025-11-11

Krovininiai dviračiai. 2 dalis. Lengvieji vienos vėžės krovininiai dviračiai. Mechaniniai aspektai

This document is applicable to single track carrier cycles with or without electric assistance and a maximum gross vehicle weight of: - 300 kg in case the manufacturer defines the carrier cycle to be intended for both private and commercial use; or - 250 kg in case the manufacturer defines the carrier cycle to be intended for solely private use. NOTE Requirements for electrical power assisted carrier cycles are be covered in part 5 of this standard series.

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ISO/DIS 18980 Viešoji apklausa

Komentavimo iki data 2025-11-15

Turizmas ir susijusios paslaugos. Turizmas apsistojant kempinguose. Kempingų įrangos ir paslaugų reikalavimai bei rekomendacijos

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prEN ISO 19014-4 Archyvuotas

Komentavimo iki data 2025-09-17

Žemės darbų mašinos. Funkcinė sauga. 4 dalis. Su sauga susijusių valdymo sistemos dalių programinės įrangos projektavimas bei įvertinimas ir duomenų perdavimas joms (ISO/DIS 19014-4:2025)

This document specifies general principles for software development and signal transmission requirements of safety-related parts of machine-control systems (MCS) in earth-moving machinery (EMM) and its equipment, as defined in ISO 6165. In addition, this document addresses the significant hazards as defined in ISO 12100 related to the software embedded within the machine control system. The significant hazards being addressed are the incorrect machine control system output responses from machine control system inputs. Cyber security is out of the scope of this document. NOTE For guidance on cybersecurity, see an appropriate security standard. This document is not applicable to EMM manufactured before the date of its publication.

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prEN 378-2 Archyvuotas

Komentavimo iki data 2025-09-09

Šaldymo sistemos ir šilumos siurbliai. Saugos ir aplinkosauginiai reikalavimai. 2 dalis. Projektavimas, gamyba, bandymai, ženklinimas ir dokumentai

This document specifies the requirements for the safety of persons and property, provides guidance for the protection of the environment and establishes procedures for the operation, maintenance and repair of refrigerating systems and the recovery of refrigerants. The term “refrigerating system” used in this document includes heat pumps. This Part 2 of this standard is applicable to the design, construction and installation of refrigerating systems including piping, components and materials. It includes ancillary equipment not covered in EN 378 1, EN 378 3 or prEN 378 5 which is directly associated with these systems. It also specifies requirements for testing, commissioning, marking and documentation. Requirements for secondary heat transfer circuits are excluded except for any protection requirements associated with the refrigerating system. Ancillary equipment includes, for example, fans, fan motors, electrical motors and transmission assemblies for open compressor systems. This document applies to: a) refrigerating systems, stationary or mobile, of all sizes except to vehicle air conditioning systems covered by a specific product standard, e.g. ISO 13043:2011 [1]; b) secondary cooling or heating systems; c) the location of the refrigerating systems; d) replaced parts and added components after adoption of this document if they are not identical in function and in the capacity. Systems using refrigerants other than those listed in prEN 378 5 are not covered by this document. This document does not apply to goods in storage. This document is not applicable to refrigerating systems which were manufactured before the date of its publication as a European Standard except for extensions and modifications to the system which were implemented after publication. This document is applicable to new refrigerating systems, extensions or modifications of already existing systems, and for existing stationary systems, being transferred to and operated on another site. This document also applies in the case of the conversion of a system to another refrigerant type. Designation, classification, and selected properties of the refrigerant such as: — refrigerant number, e.g. R717; — safety classes A1, A2L, A2, A3, B1, B2L, B2, B3; — lower flammability limits (LFL) are specified in prEN 378 5.

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prEN 50121-2:2025 Viešoji apklausa

Komentavimo iki data 2025-10-08

Geležinkelio taikmenys. Elektromagnetinis suderinamumas. 2 dalis. Visos geležinkelio sistemos spinduliavimas į aplinką

This document is intended to define the electromagnetic environment of the whole railway system including urban mass transit and light rail systems. It describes the measurement method to verify the emissions and gives the cartography values of the fields most frequently encountered. This document specifies the emission limits of the whole railway system to the outside world. The emission parameters refer to the particular measuring points defined in Clause 5. Also, the zones above and below the railway system can be affected by electromagnetic emissions and particular cases need to be considered individually. For existing railway systems, it is assumed that compliance with the emission requirements of prEN 50121-3-1:2025, prEN 50121-3-2:2025, prEN 50121-4:2025 and prEN 50121-5:2025 will ensure the compliance with the emission values given in this part. This document gives emission limits for newly built railway systems (not yet in operation) with different characteristics (e.g. higher design speed of the line, static switching components) in comparison with existing railway systems.

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prEN IEC 61010-2-011:2025 Viešoji apklausa

Komentavimo iki data 2025-10-22

Saugos reikalavimai, keliami elektrinei matavimo, valdymo ir laboratorinei įrangai. 2-011 dalis. Ypatingieji reikalavimai, keliami šaldymo įrangai

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prEN ISO 787-24 Viešoji apklausa

Komentavimo iki data 2025-11-13

Bendrieji pigmentų ir užpildų tyrimo metodai. 24 dalis. Spalvotųjų pigmentų santykinio spalvinimo stiprio ir santykinės baltų pigmentų išsklaidymo gebos nustatymas. Fotometriniai metodai (ISO/DIS 787-24:2025)

The method specified provide an instrumental alternative to those described in ISO 787/16 and ISO 787/17. Equal masses of a coloured material are separately dispersed in the same mass of the same white pigment paste. The reflectivity of each dispersion is measured photometrically. From the corresponding values of K/S the relative tinting strength is given. For measurement of the relative scattering power equal masses of a white test material and an agreed reference pigment are separately dispersed in the same mass of the same black pigment paste. The reflectivity of each dispersion is measured photometrically at 550 nm. From the corresponding values of K/S the relative scattering power is given.

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prEN ISO 28300 Viešoji apklausa

Komentavimo iki data 2025-11-16

Atmosferinio slėgio ir mažaslėgių talpyklų ventiliacija (ISO/DIS 28300:2025)

ISO 28300:2008 covers the normal and emergency vapour venting requirements for aboveground liquid petroleum or petroleum products storage tanks and aboveground and underground refrigerated storage tanks designed as atmospheric storage tanks or low-pressure storage tanks. Discussed in ISO 28300:2008 are the causes of overpressure and vacuum; determination of venting requirements; means of venting; selection, and installation of venting devices; and testing and marking of relief devices. ISO 28300:2008 is intended for tanks containing petroleum and petroleum products but it can also be applied to tanks containing other liquids; however, it is necessary to use sound engineering analysis and judgment whenever ISO 28300:2008 is applied to other liquids. ISO 28300:2008 does not apply to external floating-roof tanks.

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prEN ISO 19014-3 Archyvuotas

Komentavimo iki data 2025-09-17

Žemės darbų mašinos. Funkcinė sauga. 3 dalis. Elektroninių ir elektrinių komponentų, naudojamų su sauga susijusiose valdymo sistemos dalyse, aplinkosauginės charakteristikos ir bandymo reikalavimai (ISO/DIS 19014-3:2025)

This document specifies the minimum requirements for environmental testing of electronic and electrical components identified as safety-related parts of the control system (SRP/CS) used on earth-moving machinery (EMM) as defined in ISO 6165 and their attachments.

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