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STANDARDS REPORT By David Richards MSc CEng CEnv FIMechE FSOE


During the last four decades, standards expert David Richards has had active involvement in environmental test standardisation and worked on every issue of the UK Defence Standard 00-035 related to environmental testing. He has also worked on environmental standards for NATO, chaired the European Expert Group recommending environmental requirements for the European Defence Agency and worked on European (CEN) standards.


Category Environmental Testing


Accoustics Contamination


Standard


BS EN 60068-2-64 BS IEC 62706


EN 61400-11 BS ISO 18589


New standards include one defining Technology Readiness Levels (TRLs). While TRL is not new, it is the first time it has been defined by a British and European standard. Used for space equipment, it can be a useful indicator of development level for a range of other electro-technical equipment. BS EN 60068-2-64Environmental testing. Tests. Test Fh: Vibration, broadband random and guidance. While this update is classified as an amendment (as it involves a change of less than 10 per cent of the existing standard), it has markedly expanded the scope of this test procedure. Previously, this basic random vibration test procedure applied vibrations with a


Description


Environmental testing. Tests. Test Fh: Vibration, broadband random and guidance. Radiation protection instrumentation. Recommended climatic, electromagnetic and mechanical performance requirements and methods of tests.


Wind turbines. Acoustic noise measurement techniques.


Measurement of radioactivity in the environment. Soil. -4 Plutonium 238 and plutonium 239 + 240. Test method using alpha spectrometry -5 Strontium 90. Test method using proportional counting or liquid scintillation counting. -6 Gross alpha and gross beta activities. Test method using gas-flow proportional counting


Corrosion


Shock & Vibration Electro-Magnetic


Packaging Sustainability ISO 11844-3


ISO 18086 ISO 16063-34 BS ISO 21980 IEC 61000-4-25


BS ISO 16049-2 ISO 16106


BS EN ISO 14001 BS EN ISO 14005 BS EN ISO 16929


Miscellaneous


BS EN IEC 60904-4 EN 61400-12-1 BS EN IEC 62430 PD IEC/TS 62804-1-1 BS ISO 5725-2


New Work Items In order to give readers the opportunity to take part in the setting of standards, the following are recently announced new standards work, along with the relevant BSI committee (in brackets).


BS EN ISO 6507-1 BS ISO 6721-11 BS EN ISO 6892-1 BS EN 16603-11 BS ISO 21432 BS EN IEC 60812 EN ISO 3382-3 EN ISO 4215


EN ISO 7539-9


ISO 10844 ISO 11451-4 EN 17495 PD ISO/TR 22704 EN 60318-8


PD IEC/TS 61400-50-4 PD CEN/TS XXX


Corrosion of metals and alloys. Classification of low corrosivity of indoor atmospheres. Measurement of environmental parameters affecting indoor corrosivity.


Corrosion of metals and alloys. Determination of AC corrosion. Protection criteria. Methods for the calibration of vibration and shock transducers. Testing of sensitivity at fixed temperatures. Space systems. Evaluation of radiation effects on Commercial-Off-The-Shelf (COTS) parts for use on low-orbit satellite.


Electromagnetic compatibility (EMC). Testing and measurement techniques. HEMP immunity test methods for equipment and systems. Air cargo equipment. Restraint straps. Utilisation requirements and recommendations and lashing calculations.


Transport packages for dangerous goods. Dangerous goods packaging, intermediate bulk containers (IBCs) and large packaging. Guidelines for the application of ISO 9001. Environmental management systems. Requirements with guidance for use. Environmental management systems. Guidelines for a flexible approach to phased implementation.


Plastics. Determination of the degree of disintegration of plastic materials under defined composting conditions in a pilot- scale test. Photovoltaic devices. Reference solar devices. Procedures for establishing calibration traceability. Wind energy generation systems. Power performance measurement of electricity producing wind turbines. Environmentally conscious design (ECD). Principles, requirements and guidance. Photovoltaic (PV) modules. Test methods for the detection of potential-induced degradation. Crystalline silicon. Delamination.


Accuracy (trueness and precision) of measurement methods and results. Basic method for the determination of repeatability and reproducibility of a standard measurement method. Metallic materials. Vickers hardness test. Test method. Plastics. Determination of dynamic mechanical properties. Glass transition temperature. Metallic materials. Tensile testing. Method of test at room temperature. Space engineering. Definition of the Technology Readiness Levels (TRLs) and their criteria of assessment. Non-destructive testing. Standard test method for determining residual stresses by neutron diffraction. Failure modes and effects analysis (FMEA and FMECA). Acoustics. Measurement of room acoustic parameters. Open plan offices. (EH/1/6)


Corrosion of metals and alloys. Test method for high-temperature corrosion testing of metallic materials by thermogravimetry under usothermal or cyclic conditions. (will supersede none) (ISE/NFE)


Corrosion of metals and alloys. Stress corrosion testing. Preparation and use of pre-cracked specimens for tests under rising load or rising displacement. (ISE/NFE/8) Acoustics. Specification of test tracks for measuring noise emitted by road vehicles and their tyres. (EH/1/)


Road vehicles. Vehicle test methods for electrical disturbances from narrowband radiated electromagnetic energy. Harness excitation method. (will supersede none) (AUE/32)


Railway Applications. Acoustics. Determination of dynamic stiffness of resilient track support for environmental noise and vibration performance. Pads and fastening systems. (will supersede none) (EH/1/2)


Mechanical vibration. Uncertainty of the measurement and evaluation of human exposure to vibration. (will supersede none) (GME/21/6)


Electroacoustic. Simulators of human head and ear. Acoustic coupler for high-frequency hearing aid measurements. (will supersede none) (EPL/29) Wind energy generation systems. Use of floating lidars for wind measurements. (will supersede none) (PEL/88) Plastics. Recycled plastics. Determination of solid contaminants content. (will supersede none) (PRI/-/1)


April 2020 /// Testing & Test Houses /// 39


Gaussian distribution, with a Crest Factor limited to three. The amendment allows the use of non-Gaussian distributions, particularly those with a Kurtosis greater than three and non-zero Skewness, as well as removing the previous limitation on Crest Factor specifically for such tests. BS EN ISO 11844-3Corrosion of metals and alloys. Classification of low corrosivity of indoor atmospheres. Measurement of environmental parameters affecting indoor corrosivity. This document specifies methods for measuring the environmental parameters used to classify the corrosivity of indoor atmospheres on metals and alloys.


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