Latest Standards, Engineering Specifications, Manuals and Technical Publications

2021-12-20: This prAA includes common mods to EN IEC 62841-2-19 (PR=75430)
DOW=DOR+48 months is applied to all parts in EN IEC 62841 series

2021-12-20: This prAA includes common mods to EN IEC 62841-2-20 (PR=75425)
DOW=DOR+48 months is applied to all parts in EN IEC 62841 series

This document specifies requirements and test methods for E20 petrol marketed and delivered as such, containing a minimum oxygen content of 3,7 % (m/m) and a maximum of 8,0 % (m/m). The fuel has a maximum of 20,0 % (V/V) ethanol.
It is applicable to fuel for use in spark-ignition petrol-fuelled engines and vehicles.
This document is complementary to EN 228, which describes unleaded petrol containing an oxygen content up to 3,7 % (m/m) and a maximum ethanol content of 10 % (V/V).
NOTE 1   For general petrol engine vehicle warranty, E20 petrol might not be suitable for all vehicles and it is advised that the recommendations of the vehicle manufacturer are consulted before use. E20 petrol might need a validation step to confirm the compatibility of the fuel with the vehicle, which for some existing engines might still be needed.
NOTE 2   For the purposes of this document, the terms “% (m/m)” and “% (V/V)” are used to represent respectively the mass fraction, µ, and the volume fraction, φ.

This document specifies the competencies required of assistance dogs’ professionals. The purpose of this document is to improve and ensure the quality of professionals working in a role within an assistance dog organization. Each speciality of assistance dog requires a specific set of role competencies and there are some common core competencies.
Core competencies in:
-   breeding;
-   puppy raising;
-   dog care;
-   assessors;
-   orientation and mobility;
-   trainers;
-   instructors.
Specific competencies to train:
-   guide dogs;
-   hearing dogs;
-   medical alert dogs;
-   mobility assistance dogs;
-   autism and development disorder dogs;
-   team training instructor.
It is accepted that assistance dog organisations vary greatly in structure and not every organization will have all the roles identified. Where one person performs more than one role, it is expected that they will have the competencies of all the roles they perform e.g. a dog trainer may also have the competencies of a dog care specialist. And there will be some organisations where some of these roles are not required, e.g. those with no breeding programme will not require the associated role competencies.

IEC 62541-100:2025 defines the information model associated with Devices. This document describes three models which build upon each other as follows:
• The (base) Device Model is intended to provide a unified view of devices and their hardware and software parts irrespective of the underlying device protocols.
• The Device Communication Model adds Network and Connection information elements so that communication topologies can be created.
• The Device Integration Host Model finally adds additional elements and rules required for host systems to manage integration for a complete system. It enables reflecting the topology of the automation system with the devices as well as the connecting communication networks.
This document also defines AddIns that can be used for the models in this document but also for models in other information models. They are:
• Locking model – a generic AddIn to control concurrent access,
• Software update model – an AddIn to manage software in a Device.
This second edition cancels and replaces the first edition published in 2015. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a a ComponentType that can be used to model any HW or SW element of a device has been defined and a SoftwareType has been added as subtype of ComponentType;
b the new OPC UA interface concept and defined interfaces for Nameplate, DeviceHealth, and SupportInfo has been added.
c) a new model for Software Update (Firmware Update) has been added;
d) a new entry point for documents where each document is represented by a FileType instance has been specified;
e) a model that provides information about the lifetime, related limits and semantic of the lifetime of things like tools, material or machines has been added.

IEC TR 61169-1-8:2025 provides a test method for voltage standing wave ratio (VSWR, hereinafter) of single RF connector by double-connector method. This document is applicable to single RF cable connectors and single microstrip RF connectors as well as single adapters if an estimation of the VSWR of a single completely installed RF-connector is used and a time domain feature is not available on the vector network analyzer.

This document is applicable to the basic safety and essential performance of sleep apnoea breathing therapy equipment, hereafter referred to as ME equipment, intended to alleviate the symptoms of patients who suffer from obstructive sleep apnoea by delivering a therapeutic breathing pressure to the respiratory tract of the patient. Sleep apnoea breathing therapy equipment is intended for use in the home healthcare environment by lay operators as well as in professional healthcare institutions.
Sleep apnoea breathing therapy equipment is not considered to utilize a physiologic closed-loop-control system unless it uses a physiological patient variable to adjust the therapy settings.
This document excludes sleep apnoea breathing therapy equipment intended for use with neonates.
This document is applicable to ME equipment or an ME system intended for those patients who are not dependent on artificial ventilation. This document is not applicable to ME equipment or an ME system intended for those patients who are dependent on artificial ventilation such as patients with central sleep apnoea.
This document is also applicable to those accessories intended by their manufacturer to be connected to sleep apnoea breathing therapy equipment, where the characteristics of those accessories can affect the basic safety or essential performance of the sleep apnoea breathing therapy equipment.
Masks and application accessories intended for use during sleep apnoea breathing therapy are additionally addressed by ISO 17510. Refer to Figure AA.1 for items covered further under this document.
If a clause or subclause is specifically intended to be applicable to ME equipment 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 ME equipment and to ME systems, as relevant.
Hazards inherent in the intended physiological function of ME equipment 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 the general standard.
NOTE 2        See also 4.2 of the general standard.
This document does not specify the requirements for:
–    ventilators or accessories intended for critical care ventilators for ventilator-dependent patients, which are given in ISO 80601‑2‑12.
–    ventilators or accessories intended for anaesthetic applications, which are given in ISO 80601-2-13.
–    ventilators or accessories intended for home care ventilators for ventilator-dependent patients, which are given in ISO 80601-2-72.
–    ventilators or accessories intended for emergency and transport, which are given in ISO 80601-2-84.
–    ventilators or accessories intended for home-care ventilatory support, which are given in ISO 80601‑2-79 and ISO 80601‑2‑80.
–    high-frequency ventilators[23], which are given in ISO 80601-2-87.
–    respiratory high flow equipment, which are given in ISO 80601‑2‑90;
NOTE 3      ISO 80601-2-80 ventilatory support equipment can incorporate high-flow therapy operational mode, but such a mode is only for spontaneously breathing patients.
–    user-powered resuscitators, which are given in ISO 10651-4;
–    gas-powered emergency resuscitators, which are given in ISO 10651-5;
–    oxygen therapy constant flow ME equipment; and
–    cuirass or “iron-lung” ventilation equipment.

This document specifies the safety requirements and measures for multi-blade rip sawing machines with manual loading or unloading or both, capable of continuous production use, hereinafter referred to also as “machines”, designed to cut solid wood and materials with similar physical characteristics to wood.
This document deals with all significant hazards, hazardous situations and events as listed in Annex A, relevant to the machines, when operated, adjusted and maintained as intended and under the conditions foreseen by the manufacturer including reasonably foreseeable misuse. Transport, assembly, dismantling, disabling and scrapping phases are also taken into account.
This document does not deal with specific hazards related to the combination of single machines with any other machine as part of a line.
This document is not applicable to machines:
—     intended for use in potentially explosive atmosphere;
—     manufactured prior to its publication.

This document defines the terms used in ultrasonic non-destructive testing and forms a common basis for standards and general use.
This document does not cover specific terms used in ultrasonic testing with arrays.
NOTE            Terms used in ultrasonic testing with arrays are defined in ISO 23243.

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

This document specifies methods for the determination of acrylamide in coffee and coffee products by extraction with water, clean-up by solid-phase extraction (SPE) and determination by high-performance liquid chromatography with tandem mass spectrometric detection (HPLC-MS/MS) and gas chromatography with mass spectrometric detection (GC-MS) after derivatization. The methods were validated in a validation study for roasted coffee, soluble coffee, coffee substitutes and coffee products with ranges from 53 μg/kg to 612,1 μg/kg.

This document specifies three procedures, A, B and C, using the Pensky-Martens closed cup tester, for determining the flash point of combustible liquids, liquids with suspended solids, liquids that tend to form a surface film under the test conditions, biodiesel and other liquids in the temperature range of 40 °C to 370 °C.
NOTE 1        Although, technically, kerosene with a flash point above 40 °C can be tested using this document, it is standard practice to test kerosene according to ISO 13736.[5] Similarly, lubricating oils are normally tested according to ISO 2592.[2]
Procedure A is applicable to distillate fuels (diesel, biodiesel blends, heating oil and turbine fuels), new and in-use lubricating oils, paints and varnishes, and other homogeneous liquids not included in the scope of procedures B or C.
Procedure B is applicable to residual fuel oils, cutback residuals, used lubricating oils, mixtures of liquids with solids, and liquids that tend to form a surface film under test conditions or are of such kinematic viscosity that they are not uniformly heated under the stirring and heating conditions of procedure A.
Procedure C is applicable to fatty acid methyl esters (FAME) as specified in specifications such as EN 14214[11] or ASTM D6751.[13]
This document is not applicable to water-borne paints and varnishes.
NOTE 2        Water-borne paints and varnishes can be tested using ISO 3679.[3] Liquids containing traces of highly volatile materials can be tested using ISO 1523[1] or ISO 3679.

IEC 62541-4:2025 is available as IEC 62541-4:2025 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 62541-4:2025 defines the OPC Unified Architecture (OPC UA) Services. The Services defined are the collection of abstract Remote Procedure Calls (RPC) that are implemented by OPC UA Servers and called by OPC UA Clients. All interactions between OPC UA Clients and Servers occur via these Services. The defined Services are considered abstract because no particular RPC mechanism for implementation is defined in this document. IEC 62541‑6 specifies one or more concrete mappings supported for implementation. For example, one mapping in IEC 62541‑6 is to UA-TCP UA-SC UA-Binary. In that case the Services described in this document appear as OPC UA Binary encoded payload, secured with OPC UA Secure Conversation and transported via OPC UA TCP. Not all OPC UA Servers implement all of the defined Services. IEC 62541‑7 defines the Profiles that dictate which Services must be implemented in order to be compliant with a particular Profile. A BNF (Backus-Naur form) for browse path names is described in Annex A. This fourth edition cancels and replaces the third edition published in 2020. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) addition of new definitions to Method Call Service to allow optional Method arguments;
b)addition of reference to SystemStatusChangeEventType for event monitored item error scenarios;
c) enhancement of the general description of how determining if a Certificate is trusted;
d) addition of support for ECC;
e) addition of revisedAggregateConfiguration to AggregateFilterResult structure;
f) addition of INVALID to the BrowseDirection enumeration data type;
g) addition of INVALID to the TimestampsToReturn enumeration data type;
h) addition of definitions that make sure the subscription functionality works if retransmission queues are optional;
i) addition of client checks has been added to be symmetric to the Server Certificate check has been added;
j) clarification that ‘local’ top level domain is not appended by server into certificate and not checked by client when returned from LDS-ME;
k) addition of a definition for expiration behaviour of IssuedIdentityTokens;
l) addition of status code Good_PasswordChangeRequired to ActivateSession;
m) restriction of AdditionalInfo to servers in debug mode;
n) addition of new status code Bad_ServerTooBusy;
o) addition of definition for cases where server certificate must be contained in GetEndpoints response.

IEC 63522-4:2025 is used for testing along with the appropriate severities and conditions for measurements and tests designed to assess the ability of DUTs to perform under expected conditions of transportation, storage and all aspects of operational use.
The object of this test is to define a standard test method for the dielectric strength test.

IEC TS 62876-3-4:2025, which is a Technical Specification, establishes a standardized guideline to assess
• reliability of metallic interfaces
of Ohmic-contacted field-effect transistors (FETs) using 2D nano-materials by quantifying
• linearity of current-voltage (I-V) output curves
for devices with various materials combinations of van der Waals (vdW) interfaces.
For metallic interfaces with 2D materials (eg. graphene, MoS2, MoTe2, WS2, WSe2, etc) and metals (eg. Ti, Cr, Au, Pd, In, Sb, etc), the reliability of Ohmic contact is quantified.
For FETs consisting of 2D materials-based channels (eg. MoS2, MoTe2, WS2, WSe2, etc), the reliability of Ohmic contact when varying contacting metal, channel length, channel thickness, applied voltage, and surface treatment condition is quantified.
The reliability of the metallic contacts is quantified from the linearity of I-V characteristics measured over extended time periods.

IEC TS 62607-6-27:2025, which is a Technical Specification, establishes a standardized method to determine the key control characteristic
• field-effect mobility
for semiconducting two-dimensional (2D) materials by the
• field-effect transistor (FET) method.
For two-dimensional semiconducting materials, the field-effect mobility is determined by fabricating a FET test structure and measuring the transconductance in a four-terminal configuration.
- This method can be applied to layers of semiconducting two-dimensional materials, such as graphene, black phosphorus (BP), molybdenum disulfide (MoS₂), molybdenum ditelluride (MoTe₂), tungsten disulfide (WS₂), and tungsten diselenide (WSe₂).
- The four-terminal configuration improves accuracy by eliminating parasitic effects from the probe contacts and cables

IEC 61757-1-4:2025 defines the terminology, structure, and measurement methods of distributed fibre optic sensors for absolute strain measurements based on spectral correlation analysis of Rayleigh backscattering signatures in single-mode fibres, where the fibre is the distributed strain measurement element in a measurement range from about 10 m to tens of km. This document also applies to hybrid sensor systems that combine the advantages of Brillouin and Rayleigh backscattering effects to obtain optimal measurement quality. This document also specifies the most important features and performance parameters of these distributed fibre optic strain sensors defines procedures for measuring these features and parameters. This part of IEC 61757 does not apply to point measurements or to dynamic strain measurements. Distributed strain measurements using Brillouin scattering in single-mode fibres are covered in IEC 61757-1-2. The most relevant applications of this strain measurement technique are listed in Annex A, while Annex B provides a short description of the underlying measurement principle.

IEC 62541-7: 2025 specifies value and structure of Profiles in the OPC Unified Architecture.
OPC UA Profiles are used to segregate features with regard to testing of OPC UA products and the nature of the testing. The scope of this document includes defining functionality that can only be tested. The definition of actual TestCases is not within the scope of this document, but the general categories of TestCases are covered by this document.
Most OPC UA applications will conform to several, but not all of the Profiles.
This fourth edition cancels and replaces the third edition published in 2020. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) Profiles and ConformanceUnits are not part of this document, but are solely managed in a public database as described in Clause 1.

IEC 62541-13:2025 is available as IEC 62541-13:2025 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 62541-13:2025 defines the information model associated with Aggregates. Programmatically produced aggregate examples are listed in Annex A. This third edition cancels and replaces the second edition published in 2020. This edition constitutes a technical revision.
This edition includes the following technical changes with respect to the previous edition:
a) Multiple fixes for the computation of aggregates
• The Raw status bit is always set for non-bad StatusCodes for the Start and End aggregates.
• Entries in the Interpolative examples Tables A2.2 Historian1, Historian2, and Historian3 have been changed from Good to Good, Raw status codes when the timestamp matches with the timestamp of the data source.
• Missing tables have been added for DurationInStateZero and DurationInStateNonZero.
• The value of zero has been removed for results with a StatusCode of bad.
• Data Type was listed as "Status Code" when it is "Double" for both Standard Deviation and both Variance Aggregates.
• Rounding Error in TimeAverage and TimeAverage2 have been corrected.
• The status codes have been corrected for the last two intervals and the value has been corrected in the last interval.
• The wording has been changed to be more consistent with the certification testing tool.
• UsedSlopedExtrapolation set to true for Historian2 and all examples locations needed new values or status' are modified.
• Values affected by percent good and percent bad have been updated.
• PercentGood/PercentBad are now accounted for in the calculation.
• TimeAverage uses SlopedInterpolation but the Time aggregate is incorrectly allowed to used Stepped Interpolation.
• Partial bit is now correctly calculated.
• Unclear sentence was removed.
• Examples have been moved to a CSV.
• The value and status code for Historian 3 have been updated.
• TimeAverage2 Historian1 now takes uncertain regions into account when calculating StatusCodes.
• TimeAverage2 Historian2 now takes uncertain regions into account when calculating StatusCodes.
• Total2 Historian1 now takes uncertain regions into account when calculating StatusCodes
• Total2 Historian2 now takes uncertain regions into account when calculating StatusCodes
• Maximum2 Historian1 now takes uncertain regions into account when calculating StatusCodes
• MaximumActualTime2 Historian1 now takes uncertain regions into account when calculating StatusCodes
• Minimum2 Historian1 now takes uncertain regions into account when calculating StatusCodes
• MinimumActualTime2 Historian1 now has the StatusCodes calculated while using the TreatUncertainAsBad flag.
• Range2 Historian1 now looks at TreatUncertainAsBad in the calculation of the StatusCodes.
• Clarifications have been made to the text defining how PercentGood/PercentBad are used. The table values and StatusCodes of the TimeAverage2 and Total2 aggregates have been corrected.

IEC TS 63414:2025 is applicable for the determination of the AC and DC pollution flashover and withstand voltage characteristics of insulators with polymeric housing, to be used outdoors in HV applications and exposed to polluted environments. This is also applicable for insulators with hydrophobic coatings. This document refers to AC systems with a rated voltage greater than 1 000 V and DC systems with a rated voltage greater than 1 500 V.
The object of this technical specification is to prescribe standardized test methods, requirements and procedures for artificial pollution tests applicable to polymeric insulators for overhead lines including traction lines, station post and hollow insulators of equipment. Available test experience with polymeric station post and hollow insulators, especially for DC applications, is limited.
The proposed tests are not applicable to ceramic and glass insulators without polymeric housing, to greased insulators or to special types of insulators (e.g., insulators with semiconducting glaze).
Differently to ceramic and glass insulators without polymeric housing:
- The pollution performance of insulators with polymeric housing varies with the hydrophobicity condition of the surface. The specific conditions simulated by standardized tests might not represent the actual dynamic field conditions.
- The determination of the flashover and/or withstand voltage under pollution conditions is not enough for dimensioning. Additional constraints related to possible ageing are also to be considered.
- If the Hydrophobicity Transfer Material (HTM) test according to IEC TR 62039 confirms that an insulator is non-HTM, it can be tested according to IEC 60507 or IEC TS 61245.

This document specifies guidelines for testing metallic sheet materials to determine the stress-strain characteristics at high strain rates. This document covers the use of elastic-bar-type systems. This test method covers the strain-rate range above 102 s−1. NOTE This testing method is also applicable to tensile test-piece geometries other than the flat test pieces considered here.

This document specifies performance and general test methods for liquefied natural gas fuel system components intended for use on the types of motor vehicles defined in ISO 3833. This document is applicable to vehicles (mono-fuel, bi-fuel or dual-fuel applications) using liquefied gas according to the ISO 15403 series. It is applicable to original-production and converted vehicles. This document is only applicable on the components in the "liquefied natural gas (LNG) system" meaning an assembly of components (tanks, valves, flexible fuel lines, etc.) and connecting parts (fuel lines, fittings, etc.) fitted on motor vehicles using LNG in their propulsion system and related components up to and including the vaporizer. Other parts downstream from the vaporizer are considered as compressed natural gas (CNG) components covered by ISO 15501. NOTE All references to pressures, given in megapascals and bar (1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2) are considered gauge pressures, unless otherwise specified.

This document specifies evaluation methods for determining the content of reactive oxygen species (ROS) used in the FB-facilitated advanced oxidation for pollution abatement in the wastewater treatment process. The probe based kinetic model is applicable to systems that generate ROS in substantial quantities, rather than at physiological concentrations, and is applicable to short-lived ROS. However, it is not applicable to long-lived ROS, such as ozone (O3) and hydrogen peroxide (H2O2). The probe based kinetic model method specifies: — cumulative concentration of different types of ROS during the reaction process; — concentration of different types of ROS at each time point during the reaction process. This method does not define the mechanisms of ROS generation, nor the correlation between bubble size and ROS production.

This document specifies the standard test method to assess the performance of dust collectors utilizing integrated fans (compact type dust collector), at the time of manufacture, after being used for a certain period. This document adopts the black box concept that the dust collector to be tested is operated with the specification determined by the manufacturer except test dust condition and the pulse interval during ageing. This document is applicable to small dust collectors utilizing cartridge filters including molded filters or bag filters with pulse cleaning equipment as filtration media for dry dust collection. Mist and fumes collectors are excluded from this test. The performance obtained from this test does not guarantee the performance of the system. This document is not intended to offer the superiority or inferiority of performance between dust collectors, but specifies a standard test method that provides users with performance under simulated conditions of use for a certain duration.

This document gives guidance to organizations on creating clear, accessible, fair and easy-to-understand online terms and conditions (T&Cs). This document is applicable to drafting business-to-consumer online T&Cs, including websites facilitating consumer-to-consumer sales, such as online auction sites. It does not apply to consumer-to-consumer and business-to-business online T&Cs.

This document specifies certain characteristics of the essential oil of carrot seed (Daucus carota L.), produced in France and India, with a view to facilitating the assessment of its quality.

This document establishes a framework for age assurance systems and describes their core characteristics, including privacy and security, for enabling age-related eligibility decisions.

This document gives guidance relating to successful, secure and usable implementation of biometric enrolment processes, while indicating risk factors that organizations which use biometric technologies can address during procurement, design, deployment and operation. Much of this document is generic to many types of applications, e.g. from national scale commercial and government applications, to closed systems for in-house operations, and to consumer applications. However, the intended application and its purpose often have influence on the necessary enrolment data quality and are taken into account when specifying an enrolment system and process. This document specifies the differences in operation relating to specific types of application, e.g. where self-enrolment is more appropriate than attended enrolment. This document focuses on mandatory, attended enrolment at fixed locations. It ultimately consolidates information relating to better practices for the implementation of biometric enrolment capability in various business contexts including considerations of process, function (system), and technology, as well as legal/privacy and policy aspects. This document provides guidance on collection and storage of biometric enrolment data and the impact on dependent processes of verification and identification. This document does not include material specific to forensic and law enforcement applications.

This document specifies the enumeration of Pseudomonas spp. by the colony-count technique. This document is applicable to: — milk and milk products; — environmental samples in the area of dairy production and handling. The method allows the isolation of all pigmented and non-pigmented psychrotrophic Pseudomonas spp.

This document specifies systems and methods for the inspection and testing of installed optical fibre cabling designed in accordance with premises cabling standards including the EN 50173 series. The test methods refer to existing standards-based procedures where they exist.

IEC 61169-74:2025, which is a Sectional Specification (SS), provides information and rules for the preparation of Detail Specifications (DS) for series HN RF coaxial connectors with screw coupling with a characteristic impedance of 50 Ω. This document prescribes mating face dimensions for high performance connectors (grade 2), dimensional details of standard test connectors (grade 0), gauging information and tests selected from IEC 61169-1, applicable to all Detail Specifications relating to series HN RF connectors. This document indicates recommended performance characteristics which are considered when writing a Detail Specification and it covers test schedules and inspection requirements for assessment levels M and H. The series HN connectors are intended to be used in microwave transmission systems and can be connected with all kinds of RF cables and microstrips. The operating frequency is up to 6 GHz.

This document specifies the minimum safety requirements applicable to liquefied natural gas (LNG) on-board fuel system intended for use on the types of motor vehicles defined in ISO 3833. This document is applicable to vehicles (mono-fuel, bi-fuel or dual-fuel applications) using LNG according to the ISO 15403 series. It is applicable to original-production and converted vehicles. All matters relating to the skills of installers and converters have been excluded from this document. This document is only applicable to the components in the LNG system which is an assembly of components (tanks, valves, flexible fuel lines, etc., see Annex B) and connecting parts (fuel lines, fittings, etc.) fitted on motor vehicles using LNG in their propulsion system and related components up to and including the vaporizer. Other parts downstream from the vaporizer are considered as compressed natural gas (CNG) components covered by the ISO 15501 series.

This document specifies the requirements for the ordering, manufacture, testing, inspection and delivery of steel and heat resisting alloy remelting stock. It is presupposed to be applied when referred to and in conjunction with the EN material standard unless otherwise specified on the drawing, order or inspection schedule.

This document specifies chemical product safety requirements and reference test methods for the following child care articles:
—   Safety barriers
—   Bedguards
—   Baby carriers and child carriers
—   Pushchairs and prams
—   Carry cots, baby nests and carry cot stands
—   Bath tubs and bathing aids
—   Reclined cradles and infant swings
—   Chair mounted seats
—   Table mounted chairs
—   Childs seats for bicycle
—   Baby bouncers
—   Children's harnesses and reins
—   Baby walking frames
—   Changing units
See also Clause A.1.

This document specifies the requirements for classification of woven, tufted, knitted, needled, flocked, bonded, hand-tufted rugs and runners into use classes with regard to one or more of the following properties: wear, appearance retention, additional performance properties and classes for luxury rating.
This document is not applicable to hand-knotted rugs and runners, to barrier mats or to bathroom rugs.
This document refers to the classification as defined in EN ISO 10874:2012.

This document is a part of a package of standards: EN 12080, EN 12081, EN 12082-1 and EN 12082-2.
This document specifies the principles and methods for a rig performance test of the system of axlebox rolling bearing(s), housing, seal(s) and grease, required for reliable operation of trains on European networks. The necessary type and extent of testing are specified by the deployment procedure specified in EN 12082 2, with respect to design requirements on the axlebox and its components.
This document covers a rig performance test, principles for a field test and a possible example for a water tightness test. Test parameters and minimum performance requirements for vehicles in operation on main lines are specified. Different test parameters and performance requirements may be selected for vehicles in operation on other networks (e.g. urban rail).
This document is historically developed for outboard applications with rotating inner rings, but can be used for vehicles with inboard bearing arrangements with rotating inner rings.
It gives some possible examples where a sequenced rig performance test addresses the broad range of different service conditions within a specific application or vehicle platform into account.

ISO 8894-2:2007 describes a hot-wire (parallel) method for the determination of the thermal conductivity of refractory products and materials.

This document specifies a method of determining the attenuation variation of an optical cable during mechanical bending under load at the maximum and minimum operating temperatures.

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.

This document specifies requirements for single use transfusion gravity sets for medical use to ensure their compatibility with containers for blood and blood components as well as with intravenous equipment.
It also provides guidance on specifications relating to the quality and performance of materials used in transfusion sets, presents designations for transfusion set components, and ensures the compatibility of sets with a range of cellular and plasma blood components.
NOTE            In some countries, the national pharmacopoeia or other national regulations are legally binding and take precedence over this document.

This document specifies requirements intended to ensure the safety and health of people when they use caravans for temporary or seasonal habitation.
It also specifies the corresponding test methods.
Requirements applicable to road safety are not included in the scope of this document.
This document is applicable exclusively to rigid and rigid folding caravans as defined in EN 13878.

This document is applicable only to decorative fireplaces that have been manufactured for domestic use, which produce a flame using liquid alcohol, hereafter referred to as fuel.
NOTE 1   The requirements outlined in this document can also be applied for outside domestic settings. In that case, additional or different rules on the use of the fireplaces can apply.
This document is applicable to free-standing, wall-mounted and built-in fireplaces.
This document is applicable to decorative fireplaces that require manual user interaction for ignition, filling, re-filling or extinguishing the fireplace.
NOTE 2   The fireplaces can contain some electric or electronic components.
This document is applicable to fireplaces ready for use, whose fuel box is of one unit or is an integral component of the fireplace but not to fireplaces with a fuel tank separate from the fireplace.
This document does not apply to fireplaces specifically designed for heating food or keeping food warm (rechauds), nor does it apply to fireplaces for use in boats, caravans, other vehicles or outdoor areas.
This document does not apply to fireplaces with a power output higher than 4,5 kW or with a defined heating function.
NOTE 3   National regulations can restrict the power output to less than 4,5 kW.

IEC 62841-2-22:2025 applies to hand-held cut-off machines fitted with - one bonded reinforced wheel of Type 41 or Type 42; or - one or more diamond cutting wheels with peripheral gaps, if any, • having no positive rake angle; and • not exceeding 10 mm for cut-off machines other than flush cutters, power cutters and wall chasers; and with - a rated no-load speed not exceeding a peripheral speed of the wheel of 100 m/s at rated capacity; and - a rated capacity not exceeding 430 mm. NOTE 101 An example of a permitted diamond cutting wheel construction is shown in Figure 106. These tools are intended to cut materials such as metals, concrete, masonry, glass and tile. This document does not apply to: - cut-off machines that can be converted to a grinder, sander or polisher, which are covered by IEC 62841-2-3; - circular saws which are covered by IEC 62841-2-5; and - die grinders and small rotary tools which are covered by IEC 62841-2-23; - tools intended to cut wood, except for utility cutters; - cut-off machines fitted with a bonded reinforced wheel of Type 42 with a diameter exceeding 230 mm. This document is to be used in conjunction with IEC 62841-1:2014.

This document applies to railway signalling and telecommunication trackside equipment. This document does not cover signalling and telecommunication equipment mounted in vehicles; these are covered by EN 50155:2021. This document covers the type testing phases of the equipment for signal and telecommunication (S&T) systems (including power supply systems belonging to S&T), in order to ensure compliance with specified requirements already defined in the customer specifications or by the involved parties. In particular this document intends to define test requirements with related performance / acceptance criteria, considering only the environmental conditions stated by the EN 50125-3:2003, and considering the severities of the environmental parameters herein defined. Safety considerations are not covered by this document.

2021-12-20: This prAA includes common mods to EN IEC 62841-2-20 (PR=75425)
DOW=DOR+48 months is applied to all parts in EN IEC 62841 series

2021-12-20: This prAA includes common mods to EN IEC 62841-2-19 (PR=75430)
DOW=DOR+48 months is applied to all parts in EN IEC 62841 series

This document applies to portable residual current devices (PRCDs) for household and similar uses, consisting of a plug, a residual current device (RCD) and one or more socket-outlets or a provision for connection. They do not incorporate overcurrent protection. They are intended for single- and two-phase systems for rated currents not exceeding 16 A for rated voltages not exceeding 250 V AC, or for rated current not exceeding 32 A for rated voltages not exceeding 130 V AC to earth. They are intended to provide protection against shock hazard in case of direct contact, in addition to the protection provided by the fixed installations for the circuit downstream. PRCDs have a rated residual operating current not exceeding 0,03 A. The plug and socket-outlet parts of a PRCD are covered by the national standard of the country where the PRCD is placed on the market. If no national requirements exist, IEC 60884 1 is used. This document applies to portable devices performing simultaneously the functions of detection of the residual current, of comparison of the value of this current with the residual operating value and of opening of the protected circuit when the residual current exceeds this value. PRCDs providing an additional function of detecting faults on the supply side with a defined behaviour in case of supply failures or miswiring (PRCD-S) are also covered by this document. PRCDs are not intended to be used as parts of fixed installations. Their connecting means can be plugs, socket-outlets, terminals or cords. NOTE 1 The requirements for PRCDs are in compliance with the general requirements of IEC 60755. PRCDs are essentially intended to be operated by ordinary persons and designed not to require maintenance. NOTE 2 An integral fuse is used, if necessary, for the relevant plug and socket-outlet system. The switching contacts of the PRCDs are not intended to provide isolation, as isolation can be ensured by disconnecting the plug. The requirements of this document apply for environmental conditions as defined in 7.1. Additional requirements can be necessary for PRCDs used in locations having more severe environmental conditions. PRCDs including batteries are not covered by this document. This document does not contain additional requirements for PRCDs without earthing contacts for which specific requirements can apply. This document can, however, be used as a guide for such devices which are intended to be used with Class II appliances only.

This document applies to portable residual current devices (PRCDs) for household and similar uses, consisting of a plug, a residual current device (RCD) and one or more socket-outlets or a provision for connection. They do not incorporate overcurrent protection. They are intended for single- and two-phase systems for rated currents not exceeding 16 A for rated voltages not exceeding 250 V AC. They are intended to provide protection against shock hazard in case of direct contact, in addition to the protection provided by the fixed installations for the circuit downstream. PRCDs have a rated residual operating current not exceeding 0,03 A. The plug and socket-outlet parts of a PRCD are covered by the national standard of the country where the PRCD is placed on the market. This document applies to portable devices performing simultaneously the functions of detection of the residual current, of comparison of the value of this current with the residual operating value and of opening of the protected circuit when the residual current exceeds this value. PRCDs providing an additional function of detecting faults on the supply side with a defined behaviour in case of supply failures or miswiring (PRCD-S) are also covered by this document. PRCDs are not intended to be used as parts of fixed installations. Their connecting means can be plugs, socket-outlets, terminals or cords. NOTE 1 The requirements for PRCDs are in compliance with the general requirements of IEC 60755. PRCDs are essentially intended to be operated by ordinary persons and designed not to require maintenance. NOTE 2 An integral fuse is used, if necessary, for the relevant plug and socket-outlet system. The switching contacts of the PRCDs are not intended to provide isolation, as isolation can be ensured by disconnecting the plug. The requirements of this document apply for environmental conditions as defined in 7.1. Additional requirements can be necessary for PRCDs used in locations having more severe environmental conditions. PRCDs including batteries are not covered by this document. This document does not contain additional requirements for PRCDs without earthing contacts for which specific requirements can apply. This document can, however, be used as a guide for such devices which are intended to be used with Class II appliances only.

This document provides general methods for measurement and calculation of quantities associated with human exposure to electromagnetic fields in the frequency range from 0 Hz to 300 GHz. It is intended specifically to be used for the assessment of emissions from products and comparison of these with the exposure limits for the general public given in Council Recommendation 1999/519/EC, and those given for workers in Directive 2013/35/EU, as appropriate. It also is intended to be used for assessment of human exposure to electromagnetic fields in the workplace to determine compliance with the requirements of Directive 2013/35/EU. This standard deals with quantities that can be measured or calculated external to the body, notably electric and magnetic field strength or power density, and includes the measurement and calculation of quantities inside the body that form the basis for protection guidelines. In particular the standard provides information on: - definitions and terminology, - characteristics of electromagnetic fields, - measurement of exposure quantities, - instrumentation requirements, - methods of calibration, - measurement techniques and procedures for evaluating exposure, - calculation methods for exposure assessment. Where an applicable electromagnetic field standard specific to a product or technology exists it is expected to be used rather than this document. EN 62311:-, Table 1 gives a list of relevant standards.

DEN/ERM-TGAERO-31-1

DEN/ERM-TG28-561

The present document specifies technical requirements, limits and test methods for Short Range Devices in the non-
specific category operating in the frequency range 25 MHz to 1 000 MHz.
The non specific SRD category is defined by the EU Commission Decision 2019/1345/EU [i.3] as:
"The non-specific short-range device category covers all kinds of radio devices, regardless of the application or the
purpose, which fulfil the technical conditions as specified for a given frequency band. Typical uses include telemetry,
telecommand, alarms, data transmissions in general and other applications".
These radio equipment types are capable of transmitting up to 500 mW effective radiated power and operating indoor or
outdoor.
NOTE: The relationship between the present document and the essential requirements of article 3.2 of
Directive 2014/53/EU [i.2] is given in Annex A

REN/MSG-TFES-15-3

ABSTRACT
This specification covers coal tar primer suitable for use with coal tar pitch in roofing, dampproofing, and waterproofing below or above ground level, for application to concrete, masonry, and coal tar surfaces. Different tests shall be conducted in order to determine the following physical properties of coal tar primer: water content, consistency, specific gravity, matter insoluble in benzene, distillation, and coke residue content.
SCOPE
1.1 This specification covers coal tar primer suitable for use with coal tar pitch in roofing, dampproofing, and waterproofing below or above ground level, for application to concrete, masonry, and coal tar surfaces.  
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.  
1.3 This standard 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 standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

SIGNIFICANCE AND USE
5.1 The edgewise compressive strength of short sandwich construction specimens provides a basis for judging the load-carrying capacity of the construction in terms of developed facing stress.  
5.2 This test method provides a standard method of obtaining sandwich edgewise compressive strengths for panel design properties, material specifications, research and development applications, and quality assurance.  
5.3 The reporting section requires items that tend to influence edgewise compressive strength to be reported; these include materials, fabrication method, facesheet lay-up orientation (if composite), core orientation, results of any nondestructive inspections, specimen preparation, test equipment details, specimen dimensions and associated measurement accuracy, environmental conditions, speed of testing, failure mode, and failure location.
SCOPE
1.1 This test method covers the compressive properties of structural sandwich construction in a direction parallel to the sandwich facing plane. Permissible core material forms include those with continuous bonding surfaces (such as balsa wood and foams) as well as those with discontinuous bonding surfaces (such as honeycomb).  
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text the inch-pound units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.  
1.3 This standard 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 standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ABSTRACT
This specification covers three types of aluminum-pigmented asphalt roof coatings suitable for application to roofing or masonry surfaces by brush or spray. Type I is nonfibered, Type II is fibered with asbestos, and Type III is fibered other than asbestos. The coatings shall adhere to chemical requirements such as composition limits for water, nonvolatile matter, metallic aluminum, and insolubility in CS2. They shall also meet physical requirements as to uniformity, consistency, and luminous reflectance.
SCOPE
1.1 This specification covers asphalt-based, aluminum-pigmented roof coatings suitable for application to roofing or masonry surfaces by brush or spray.  
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.  
1.3 The following precautionary caveat pertains only to the test method portion, Section 8, of this specification: This standard 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 standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

SIGNIFICANCE AND USE
5.1 The honeycomb tensile-node bond strength is a fundamental property than can be used in determining whether honeycomb cores can be handled during cutting, machining and forming without the nodes breaking. The tensile-node bond strength is the tensile stress that causes failure of the honeycomb by rupture of the bond between the nodes. It is usually a peeling-type failure.  
5.2 This test method provides a standard method of obtaining tensile-node bond strength data for quality control, acceptance specification testing, and research and development.
SCOPE
1.1 This test method covers the determination of the tensile-node bond strength of honeycomb core materials.  
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.  
1.3 This standard 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 standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ABSTRACT
This specification covers the physical requirements and testing of three types of lap cement for use with asphalt roll roofing. Type I is a brushing consistency lap cement intended for use in the exposed-nailing method of roll roofing application, and contains no mineral or other stabilizers. This type is further divided into two grades, as follows: Grade 1, which is made with an air-blown asphalt; and Grade 2, which is made with a vacuum-reduced or steam-refined asphalt. Both Types II and III, on the other hand, are heavy brushing or light troweling consistency lap cement intended for use in the concealed-nailing method of roll roofing application, only that Type II cement contains a quantity of short-fibered asbestos, while Type III cement contains a quantity of mineral or other stabilizers, or both, but contains no asbestos. The lap cements shall be sampled for testing, and shall adhere to specified values of the following properties: water content; distillation (total distillate at given temperatures); softening point of residue; solubility in trichloroethylene; and strength at indicated age.
SCOPE
1.1 This specification covers lap cement consisting of asphalt dissolved in a volatile petroleum solvent with or without mineral or other stabilizers, or both, for use with roll roofing. The fibered version of these cements excludes the use of asbestos fibers.  
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.  
1.3 The following precautionary caveat applies only to the test method portion, Section 6, of this specification: This standard 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 standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

SIGNIFICANCE AND USE
4.1 The force required to separate a metallic coating from its plastic substrate is determined by the interaction of several factors: the generic type and quality of the plastic molding compound, the molding process, the process used to prepare the substrate for electroplating, and the thickness and mechanical properties of the metallic coating. By holding all others constant, the effect on the peel strength by a change in any one of the above listed factors may be noted. Routine use of the test in a production operation can detect changes in any of the above listed factors.  
4.2 The peel test values do not directly correlate to the adhesion of metallic coatings on the actual product.  
4.3 When the peel test is used to monitor the coating process, a large number of plaques should be molded at one time from a same batch of molding compound used in the production moldings to minimize the effects on the measurements of variations in the plastic and the molding process.
SCOPE
1.1 This test method gives two procedures for measuring the force required to peel a metallic coating from a plastic substrate.2 One procedure (Procedure A) utilizes a universal testing machine and yields reproducible measurements that can be used in research and development, in quality control and product acceptance, in the description of material and process characteristics, and in communications. The other procedure (Procedure B) utilizes an indicating force instrument that is less accurate and that is sensitive to operator technique. It is suitable for process control use.  
1.2 The tests are performed on standard molded plaques. This method does not cover the testing of production electroplated parts.  
1.3 The tests do not necessarily measure the adhesion of a metallic coating to a plastic substrate because in properly prepared test specimens, separation usually occurs in the plastic just beneath the coating-substrate interface rather than at the interface. It does, however, reflect the degree that the process is controlled.  
1.4 This standard 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 standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

SIGNIFICANCE AND USE
4.1 This practice is useful as a screening basis for acceptance or rejection of transparencies during manufacturing so that units with identifiable flaws will not be carried to final inspection for rejection at that time.  
4.2 This practice may also be employed as a go-no go technique for acceptance or rejection of the finished product.  
4.3 This practice is simple, inexpensive, and effective. Flaws identified by this practice, as with other optical methods, are limited to those that produce temperature gradients when electrically powered. Any other type of flaw, such as minor scratches parallel to the direction of electrical flow, are not detectable.
SCOPE
1.1 This practice covers a standard procedure for detecting flaws in the conductive coating (heater element) by the observation of polarized light patterns.  
1.2 This practice applies to coatings on surfaces of monolithic transparencies as well as to coatings imbedded in laminated structures.  
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.4 This standard 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 standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific precautionary statements, see Section 6.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ABSTRACT
This specification covers emulsified asphalt suitable for use as a protective coating for built-up roofs and other exposed surfaces with specified inclines. The emulsified asphalts are grouped into three types, as follows: Type I, which contains fillers or fibers including asbestos; Type II, which contains fillers or fibers other than asbestos; and Type III, which do not contain any form of fibrous reinforcement. These types are further subdivided into two classes, as follows: Class 1, which is prepared with mineral colloid emulsifying agents; and Class 2, which is prepared with chemical emulsifying agents. Other than consistency and homogeneity of the final products, they shall also conform to specified physical property requirements such as weight, residue by evaporation, ash content of residue, water content flammability, firm set, flexibility, resistance to water, and behavior during heat and direct flame tests.
SCOPE
1.1 This specification covers emulsified asphalt suitable for use as a protective coating for built-up roofs and other exposed surfaces with inclines of not less than 4 % or 42 mm/m [1/2 in./ft].  
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.  
1.3 This standard 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 standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

SIGNIFICANCE AND USE
4.1 This practice shall be used when ultrasonic inspection is required by the order or specification for inspection purposes where the acceptance of the forging is based on limitations of the number, amplitude, or location of discontinuities, or a combination thereof, which give rise to ultrasonic indications.  
4.2 The acceptance criteria shall be clearly stated as order requirements.
SCOPE
1.1 This practice for ultrasonic examination covers turbine and generator steel rotor forgings covered by Specifications A469/A469M, A470/A470M, A768/A768M, and A940/A940M. This practice shall be used for contact testing only.  
1.2 This practice describes a basic procedure of ultrasonically inspecting turbine and generator rotor forgings. It does not restrict the use of other ultrasonic methods such as reference block calibrations when required by the applicable procurement documents nor is it intended to restrict the use of new and improved ultrasonic test equipment and methods as they are developed.  
1.3 This practice is intended to provide a means of inspecting cylindrical forgings so that the inspection sensitivity at the forging center line or bore surface is constant, independent of the forging or bore diameter. To this end, inspection sensitivity multiplication factors have been computed from theoretical analysis, with experimental verification. These are plotted in Fig. 1 (bored rotors) and Fig. 2 (solid rotors), for a true inspection frequency of 2.25 MHz, and an acoustic velocity of 2.30 in./s × 105 in./s [5.85 cm/s × 105 cm/s]. Means of converting to other sensitivity levels are provided in Fig. 3. (Sensitivity multiplication factors for other frequencies may be derived in accordance with X1.1 and X1.2 of Appendix X1.)  
FIG. 1 Bored Forgings
Note 1: Sensitivity multiplication factor such that a 10 % indication at the forging bore surface will be equivalent to a 1/8 in. [3 mm] diameter flat bottom hole. Inspection frequency: 2.0 MHz or 2.25 MHz. Material velocity: 2.30 in./s × 105 in./s [5.85 cm/s × 105 cm/s].
FIG. 2 Solid Forgings
Note 1: Sensitivity multiplication factor such that a 10 % indication at the forging centerline surface will be equivalent to a 1/8 in. [3 mm] diameter flat bottom hole. Inspection frequency: 2.0 MHz or 2.25 MHz. Material velocity: 2.30 in./s × 105 in./s [5.85 cm/s × 105 cm/s].
FIG. 3 Conversion Factors to Be Used in Conjunction with Fig. 1 and Fig. 2 if a Change in the Reference Reflector Diameter is Required
1.4 Considerable verification data for this method have been generated which indicate that even under controlled conditions very significant uncertainties may exist in estimating natural discontinuities in terms of minimum equivalent size flat-bottom holes. The possibility exists that the estimated minimum areas of natural discontinuities in terms of minimum areas of the comparison flat-bottom holes may differ by 20 dB (factor of 10) in terms of actual areas of natural discontinuities. This magnitude of inaccuracy does not apply to all results but should be recognized as a possibility. Rigid control of the actual frequency used, the coil bandpass width if tuned instruments are used, and so forth, tend to reduce the overall inaccuracy which is apt to develop.  
1.5 This practice for inspection applies to solid cylindrical forgings having outer diameters of not less than 2.5 in. [64 mm] nor greater than 100 in. [2540 mm]. It also applies to cylindrical forgings with concentric cylindrical bores having wall thicknesses of 2.5 [64 mm] in. or greater, within the same outer diameter limits as for solid cylinders. For solid sections less than 15 in. [380 mm] in diameter and for bored cylinders of less than 7.5 in. [190 mm] wall thickness the transducer used for the inspection will be different than the transducer used for larger sections.  
1.6 Supplementary requirements of an optional nature are provided for use at the option of the...

ABSTRACT
This specification covers the properties and requirements for two types of asbestos-free asphalt roof coatings consisting of an asphalt base, volatile petroleum solvents, and mineral or other stabilizers, or both, mixed to a smooth, uniform consistency suitable for application by squeegee, three-knot brush, paint brush, roller, or by spraying. Type I is made from asphalts characterized as self-healing, adhesive, and ductile, while Type II is made from asphalts characterized by high softening point and relatively low ductility. The coatings shall conform to specified composition limits for water, nonvolatile matter, minerals and/or other stabilizers, and bitumen (asphalt). They shall also meet physical requirements as to uniformity, consistency, and pliability and behavior at given temperatures.
SCOPE
1.1 This specification covers asbestos-free asphalt roof coatings of brushing or spraying consistency.  
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.  
1.3 The following precautionary caveat pertains only to the test method portion, Section 8, of this specification:  This standard 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 standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

RTS/TSGC-0329523vh70

RTS/TSGC-0329521vh50

DEN/ERM-TGAERO-31-2

RTS/LI-00190-2

RTS/TSGS-0333127vf40

RTS/TSGR-0534229-3ve60