Announcements

Introducing the Engineering Workplace
Mark up any standard, right in the browser. Highlight clauses, sketch redlines, drop text notes, and add comments to your highlights — autosaved, page-accurate, restored every time you reopen the document.
On a team subscription, publish annotations to your colleagues in one click. Keep work-in-progress private, share the finished review.

Stop buying standards one at a time
Ongoing access to entire body catalogues - or focused ICS scopes - for a flat monthly or annual price. Unlimited reads, multi-seat for the whole team, volume discounts that scale.
Includes the Engineering Workplace markup tools on every standard, so reviews and audits become a team activity.

Need a standard once? Rent it. Need an answer? Ask the AI.
Read any standard for the period you actually need — a fraction of the purchase price, full in-browser access, no commitment.
Add the optional AI Chat to ask questions about the standard in plain English and get answers grounded in the document. Find the right clause in seconds, not minutes.
Standards Packages
iTeh together with SIST has developed and compiled a comprehensive collection of standard packages to support your standard requirements. Our packages cover an array of content that includes quality management, risk management, road vehicles, machine safety, and much more. With over 200 packages to choose from, you are sure to find a collection to suit your standard needs.
Latest Posts
Latest Standards
This document presents Part 2 of the European Technical Specification known as “NeTEx”. NeTEx provides a framework for specifying communications and data exchange protocols for organisations wishing to exchange scheduled Information relating to public transport operations. As defined by Transmodel, 'Public transport' has to be understood as services advertised and available for use by the general public carried out by any means of transport.
This Technical Specification is made up of six parts defining a single European Standard, which provides a complete exchange format for public transport networks, timetable description and fare information.
Part 1 is the description of the public transport network topology exchange format. It also contains use case shared with part 2, and modelling rules and the description of a framework shared by all parts.
Part 2 is the description of the scheduled timetables exchange format.
Part 3 is the description of the fare information exchange format.
Part 4 is the description of the European passenger information profile.
Part 5 is the description of the alternative modes exchange format.
Part 6 is the description of the European passenger information accessibility profile.
Part 1 is fully standalone, and parts 2, 3, 4, 5 and 6 rely on Part 1 and possibly any previous part..
The XML schema can be downloaded from http://netex-cen.eu (or directly from https://github.com/NeTEx-CEN/NeTEx), along with available guidance on its use, example XML files, and case studies of national and local deployments.
This document is highly technical, and a special care has been taken to keep the text readable. In particular a set of formatting conventions is followed that enhances the usual CEN writing rules in order to distinguish references to elements of the formal models within text:
Transmodel terms and NeTEx conceptual model elements are in capital letters (JOURNEY PATTERN for example).
NeTEx physical model names are in bold italic font and use CamelCase style with no spaces (JourneyPattern, for example).
NeTEx physical model attribute types are in italic font and use CamelCase style with no spaces (TypeOfEntity, for example).
- Technical specification326 pagesEnglish languagee-Library read for1 day
- Amendment40 pagesEnglish and French languagee-Library read for1 day
This document is a profile of CEN/TS 16614 series. It focuses on information relevant to feed passenger information services and excludes operational and fares information.
NeTEx is dedicated to the exchange of scheduled data (network, timetable and fare information) based on Transmodel V6 (EN 12986) and SIRI (CEN/TS 15531-4/5 and EN 15531-1/2/3) and supports information exchange of relevance to public transport services for passenger information and AVMS systems.
As for most data exchange standards, defining subsets of data and dedicated rules for some specific use case is of great help for implementers and for the overall interoperability. This subset is usually called profile and this profile targets passenger information as only use case.
- Technical specification272 pagesEnglish languagee-Library read for1 day
This document establishes a framework and specifies electronic fee collection (EFC) functions for the personalization process of on-board equipment (OBE) used for EFC.
The personalization process takes place within the domain of the entity that is responsible for the application in the OBE.
This document is applicable to the EFC interface, e.g. using dedicated short-range communication or integrated circuit(s) card, between the personalization equipment (PE) and OBE as shown in Figure 1.
This document does not cover the following:
whether the personalization functionality resides completely in the PE or whether this functionality instead resides in a central system, where the PE is more or less “transparent”;
the exact application command or message structures for the EFC personalization functionality (these are dependent on the communication media and are described in subsequent parts of the ISO 21719 series);
the test procedures for evaluation of an implementation for conformity to the requirements in this document;
setting-up of operating organizations (e.g. toll service provider, personalization agent, trusted third party).
NOTE Some of the issues listed above are subject to separate documents prepared by ISO/TC 204, CEN/TC 278 and the European Telecommunications Standards Institute – Electromagnetic compatibility and Radio Spectrum Matters (ETSI ERM).
- Standard16 pagesEnglish languagee-Library read for1 day
- Amendment11 pagesEnglish languagee-Library read for1 day
IEC 61757:2026 defines, classifies, and provides a framework of generic tests or measurement methods for characterizing and specifying fibre optic sensors, including their specific components and subassemblies. The requirements of this document apply to all related fibre optic sensor standards that are part of the IEC 61757 series. Other parts of the IEC 61757 series contain requirements that are specific to sensors that measure particular quantities, and to a particular style or variant of such a fibre optic sensor. This second edition cancels and replaces the first edition published in 2018. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) expansion of the list of metrological parameters;
b) updates of the terms and definitions;
c) updates of the normative references and bibliography;
d) updates of the technical descriptions in Annex A.
- Standard47 pagesEnglish languagee-Library read for1 day
Within the field of health informatics, the DICOM (digital imaging and communication in medicine) standard 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, such as Picture Archiving anc Communication System (PACS), Hospital Information System (HIS) and Radiology Information System (RIS).
This document is equivalent to part 1 of DICOM. As such, it normatively describes the content of DICOM (Clause 6) and the requirements to make a claim of conformance (Clause 5).
The DICOM standard is applicable to 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. It is also applicable to a wide range of image and non-image related information exchanged in clinical, research, veterinary, and other medical environments.
- Standard26 pagesEnglish languagee-Library read for1 day
This document specifies the dimensions of empty paper sacks and specifies a method of measuring those dimensions.
- Standard17 pagesEnglish languagee-Library read for1 day
The present document specifies technical requirements, limits and test methods for Tilted Level Probing Radar (LPR) equipment using a downward tilted orientation of the LPR antenna in the three tilting ranges ±15°, ±30° and ±45° in relation to the strictly vertical downward direction and operating in the frequency range 75 GHz to 85 GHz in outdoor as well as indoor environments. Tilted LPR equipment in the scope of the present document consist of a combined transmitter and receiver and are equipped with an integral or dedicated antenna provided also by the equipment manufacturer. Equipment intended to be equipped with antennas from a third-party are not covered by the scope of the present document. Equipment exhibiting a receive only mode or a standby mode are also not covered by the scope of the present document. Furthermore, the present document is limited to tilted LPR equipment with FMCW modulation. Tilted LPR equipment and the related categorization is further specified in clause 4.2. NOTE: The relationship between the present document and essential requirements of article 3.2 of Directive 2014/53/EU [i.1] is given in Annex A.
- Standard56 pagesEnglish languagesale 15% off
- Standard56 pagesEnglish languagesale 15% off
- Standard57 pagesEnglish languagesale 15% off
- Standard57 pagesEnglish languagee-Library read for1 day
This document specifies the requirements for an environmental management system that an organization can use to enhance its environmental performance. It is intended for use by an organization seeking to manage its environmental responsibilities in a systematic manner that contributes to the environmental pillar of sustainability.
This document helps an organization to achieve the intended outcomes of its environmental management system, which provide value for the environment, the organization itself and interested parties. The intended outcomes of an environmental management system include:
enhancing environmental performance;
meeting compliance obligations;
achieving environmental objectives.
This document is applicable to any organization, regardless of size, type or nature, and applies to the environmental aspects of its activities, products and services that the organization determines it can either control or influence considering a life cycle perspective. This document does not state specific environmental performance criteria.
This document can be used in whole or in part to systematically improve environmental management. Claims of conformity to this document, however, are not acceptable unless all its requirements are incorporated into an organization’s environmental management system and fulfilled without exclusion.
- Standard48 pagesEnglish languagee-Library read for1 day
This document specifies a procedure for determining whether a perceptible sensory difference or similarity exists between samples of two products. The method is a forced-choice procedure. The method is applicable whether a difference exists in a single sensory attribute or in several attributes. The method is statistically less efficient than the triangle test (described in ISO 4120) but is easier to perform by the assessors. The method is applicable even when the nature of the difference is unknown (i.e. it determines neither the size nor the direction of difference between samples, nor is there any indication of the attribute(s) responsible for the difference). The method is applicable only if the products are fairly homogeneous. The method is effective for: determining that either: a perceptible difference results (duo-trio testing for difference); or a meaningful perceptible difference does not result (duo-trio testing for similarity) when, for example, a change is made in ingredients, processing, packaging, handling or storage; selecting, training and monitoring assessors. Two forms of the method are described: the constant-reference technique, used when one product is familiar to the assessors (e.g. a sample from regular production); the balanced-reference technique, used when one product is not more familiar than the other.
- Standard22 pagesEnglish languagesale 15% off
- Standard22 pagesFrench languagesale 15% off
This document specifies a test method for estimating the magnitude of radiosonde temperature sensor warming, induced by direct solar radiation, based on variations in air pressure, temperature, ventilation speed, tilt angle of its supporting sensor boom, and light illumination angle on the boom through a laboratory evaluation. This document provides the following: technical requirements for a laboratory setup to measure the effect of direct solar radiation on radiosonde temperature measurement under simulated sounding conditions; a test procedure for estimating radiosonde temperature measurement errors due to direct solar radiation in the air pressure range of 3 hPa to 1 000 hPa, temperature range1) of −70 °C to 50 °C, ventilation speed range of 3 m∙s−1 to 7 m∙s−1 at a specified irradiance (e.g. 1 000 or higher), sensor boom tilt range2) from 0° to 45° with respect to the air ventilation direction and the range of light illumination3) angle from 0° to 90° with respect to the sensor boom plane; a method to evaluate uncertainty in the results under the test conditions.
- Standard28 pagesEnglish languagesale 15% off
This document describes the typical accessories used for Large Power Transformers.
- Draft9 pagesEnglish languagee-Library read for1 day
This document specifies, with reference to ISO 230-1 and ISO 230-2, geometric tests and tests for checking the accuracy and repeatability of positioning of numerically controlled axes for general purpose, normal accuracy, bridge-type milling machines with a fixed bridge (portal type). This document also specifies the applicable tolerances corresponding to the above-mentioned tests. This document is applicable to machines with moving tables and fixed double columns. It does not include single-column (open sided) machines and those with fixed tables and moving columns. This document deals only with the verification of the accuracy of the machine. It does not apply to the testing of the machine operation (vibration, abnormal noise, stick-slip motion of components, etc.) nor to machine characteristics (such as speeds, feeds, etc.), which are generally checked before testing the accuracy. This document provides the terminology used for the principal components of the machine and the designation of the axes with reference to ISO 841.
- Standard44 pagesEnglish languagesale 15% off
- Standard45 pagesFrench languagesale 15% off
This document specifies a liquid chromatography tandem mass spectrometry (LC-MS/MS) method for the determination of marker residues of nicarbazin (4,4-dinitrocarbanilide) in chicken tissue and eggs. This document is applicable to the determination of marker residues of nicarbazin (4,4-dinitrocarbanilide) in chicken tissue (including muscle, liver and kidney) and eggs.
- Standard11 pagesEnglish languagesale 15% off
This document specifies the determination of fluoroquinolone residue content in meat, fish and their products by high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) method. This document is applicable to the determination of enrofloxacin, ciprofloxacin, norfloxacin, ofloxacin and pefloxacin residues in meat, fish and their products, including livestock and poultry.
- Standard14 pagesEnglish languagesale 15% off
This document is applicable to safety-related electronic systems (including subsystems and equipment) for railway signalling applications. This document applies to generic systems (i.e. generic products or systems defining a class of applications), as well as to systems for specific applications. The scope of this document and its relationship with other CENELEC standards are shown in Figure 1. This document is applicable only to the functional safety of systems. It does not deal with other aspects of safety such as occupational health and safety of personnel or potential threats created by the technology regardless of their intended functions (e.g. presence of sharp edges, presence of electric voltage, presence of combustible material). Cybersecurity aspects of functional safety are addressed only to the extent consistent with the application of the relevant standards, where needed. This document applies to all the phases of the life cycle of a safety-related electronic system, focusing in particular on phases from 4 (specification of system requirements) to 10 (system acceptance) as defined in EN 50126 1:2017. Requirements for systems which are not related to safety are outside the scope of this document. This document is not necessarily applicable to systems, subsystems or equipment which had already been accepted prior to the date of withdrawal (dow) of the standards conflicting with this document. However, so far as reasonably practicable, it is applicable to modifications and extensions to such systems, subsystems and equipment. NOTE In the case of partial modifications, it can happen that the system can no longer be declared compliant with a single version of the standard, meaning that the modified part will be compliant with the current version and the unmodified parts will be compliant with the previous version. This document is primarily applicable to systems, subsystems or equipment which have been specifically designed and manufactured for railway signalling applications. It is also applicable, to the extent of 6.2, to general-purpose or industrial equipment (e.g. power supplies, display screens, or other commercial off the shelf items) which is procured for use as part of a safety-related electronic system. This document is aimed at railway duty holders, railway suppliers, and assessors as well as at safety authorities, although it does not define an approval process to be applied by the safety authorities. Figure 1 - Scope of the main CENELEC railway application standards
- Draft140 pagesEnglish languagee-Library read for1 day
This document specifies requirements for classification of covered electrodes and deposited metal in the as-welded condition and in the post-weld heat-treated condition for manual metal arc welding of high-strength steels with a minimum yield strength greater than 500 MPa or a minimum tensile strength greater than 570 MPa. This document is a combined specification providing a classification utilizing a system based on the yield strength and an average impact energy of 47 J of the all-weld metal, or utilizing a system based on the tensile strength and an average impact energy of 27 J of the all-weld metal. Clauses, subclauses and tables which carry the suffix “System A” are applicable only to covered electrodes classified under the system based on the yield strength and an average impact energy of 47 J of the all-weld metal given in this document. Clauses, subclauses and tables which carry the suffix “System B” are applicable only to covered electrodes classified under the system based on the tensile strength and an average impact energy of 27 J of the all-weld metal given in this document. Subclauses and tables which do not have either the suffix “System A” or the suffix “System B” are applicable to all covered electrodes classified under this document.
- Standard28 pagesEnglish languagesale 15% off
- Draft32 pagesFrench languagesale 15% off
This document applies to the BASIC SAFETY and ESSENTIAL PERFORMANCE of MEDICAL BEDS as defined in 201.3.214, intended for ADULTS as defined in 201.3.222. Included in the scope are both electrical and non-electrical (manual) MEDICAL BEDS with or without adjustable functions. This document is applicable to either a BED-LIFT or a detachable MATTRESS SUPPORT PLATFORM or both. The combination of BED-LIFT or a detachable MATTRESS SUPPORT PLATFORM with a compatible non-MEDICAL BED as specified by the MANUFACTURER is also considered a MEDICAL BED. This document does not apply to: - MEDICAL BEDS for CHILDREN and ADULTS with atypical anatomies (ADULTS ranging outside the definition for ADULTS in 202.3.222) covered by IEC 80601-2-89; - SPECIALITY MATTRESS covered by ISO 20342 series; - devices for which the INTENDED USE is mainly for examination or transportation under medical supervision (e.g. stretcher, examination table); - all requirements for MEDICAL BEDS with special functionality. If a clause or subclause is specifically intended to be applicable to a MEDICAL BED only, or to ME SYSTEMS only, the title and content of that clause or subclause will say so. If that is not the case, the clause or subclause applies both to MEDICAL BED and to ME SYSTEMS, as relevant. HAZARDS inherent in the intended physiological function of MEDICAL BED or ME SYSTEMS within the scope of this document are not covered by specific requirements in this document except in 7.2.13 and 8.4.1 of IEC 60601-1:2005, IEC 60601-1:2005/AMD1:2012 and IEC 60601-1:2005/AMD2:2020.
- Standard94 pagesEnglish languagesale 15% off
- Standard98 pagesFrench languagesale 15% off
This document specifies methods for the enumeration of thermoresistant spores of thermophilic bacteria in heat-processed milk and dried milk products by using a colony-count technique at 55 °C after heating the sample at 106 °C or 100 °C. The applicability of this document is limited to heat-processed milk including pasteurized, ultra-high temperature (UHT) processed and sterilized milk; as well as dried whole milk, skim milk, buttermilk and whey products.
- Technical specification10 pagesEnglish languagesale 15% off
Benefits
Full Standards Solution
Our catalog includes not only latest standards but also full meta information about related standardization project lifecycle.
Cost Effective
Our PRICE MATCH GUARANTEE policy with multi-level volume discounts gives our clients the best option in the market. In addition, you can get access to the standards for 3, 10, or 30 days.
Stay Notified
Get alerted to the latest revisions and new standards in the Weekly Newsletter. Standards are constantly changing. Don’t miss a revision that can impact your business.
Frequently Asked Questions
While can’t speak to your particular circumstance generally no. You get the same standard at a cheaper price!
We provide licenses to standards documents adopted by Slovenian Institute for Standardization (SIST). These are exactly the same as original works but are preceded by cover pages acknowledging their adoption. For instance, the international standard document ISO 8601:2013 is adopted by European Committee for Standardization (CEN) as the European Standard document EN ISO 3166-1:2014 and subsequently adopted by SIST as Slovenian Standard document SIST EN ISO 8601-1:2014.
Yes, the intended recipient for which a license has been granted may print documents for their personal use. No other persons may print, receive, inspect, duplicate, or otherwise consume printed material.
Documents are licensed to individuals and must not be made accessible to any person who the license was not purchased for (including the purchaser). This would preclude posting the documents in any manner that would allow distribution. This includes but not exclusively public or private network shares, wikis, FTP, messaging services, etc.
A license grants 1 persons exclusive access to purchased document in perpetuity. Licenses are not transferable. If for instance you have team of five individuals that need access to a document then five licenses must be purchased, one for each member. If a new team member is added regardless of the departure of any existing member a new license must be acquired for that individual. If you know you will need multiple licenses, consider purchasing several at one time as we offer volume discounts. See: Do you offer discounts?
iTeh Standards already offers substantial discounts in most cases in comparison to original publishing organizations. Furthermore, we offer volume discounts for buying multiple licenses. Simply multiply the price of the publication according to the relevant discount.
- 2-3 licenses - 15% discount
- 4-5 licenses - 30% discount
- 6-10 licenses - 50% discount
- more than 10 licenses - 60% discount
About Us
Standards work, redesigned for the way teams actually work.
iTeh builds the digital infrastructure of the standards industry. Together with the Slovenian Institute for Standardization (SIST) and a growing network of publishers and certification partners, we run standards.iteh.ai — where engineers, procurement teams, compliance officers and standardization institutes find, buy, read, annotate and reuse the standards their work depends on. Our platform turns a static catalog into a workplace your team will actually open every day.
Advantage
- AI-first. Ask any standard a question. Search the catalog semantically. Connect ChatGPT, Claude, Perplexity or your own agents through our MCP endpoints.
- Engineering Workplace. Highlight, draw, comment and share — page-accurate, saved automatically, publishable to your whole team in one click.
- Company-wide licensing. One account, every employee, controlled by your administrator — no more chasing PDFs across inboxes.
- e-Library. Subscription access to live standards collections — pay for the shelf, not for every single document.
- Always on, always current. Continuous platform updates, 24/7 support, no version-upgrade projects.









