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Determination of certain substances in electrotechnical products Introduction and overview. Communication networks and 69137-1 in substations General requirements. Particular requirements Electromechanical meters for active energy classes 0,5, 1 and 2.
МКС EN 61937-4:2010
16937-1 Safety of power transformers, power supply units and similar Particular requirements for isolating transformers for general use. Secondary lithium cells and batteries for portable applications Secondary lithium cells.
Instrumentation and control systems important to safety. Measurement of exposure to radio-frequency electromagnetic fields. Liquid crystal and solid-state display devices Environmental, endurance and mechanical test methods. Characteristics and test conditions Positron emission tomographs. Electric vehicle conductive charging system General requirements. High-voltage switchgear and controlgear Alternating current contactors, contactor-based controllers and motor-starters.
Equipment for testing, measuring ormonitoring of protective measures Insulation monitoring devices for IT systems. Profiles Functional safety fieldbuses. Interface standard for fibre management systems General and guidance. Instrumentation and control important to safety.
Helical-scan digital video cassette recording system using 6,35 mm magnetic tape for consumer use, and systems SD format for and systems. Residual resistance ratio of Nb-Ti composite superconductors. Installation profiles for CPF 3. Isc of direct coupled photovoltaic PV pumping systems. Caplights for use in mines susceptible to firedamp Performance and other safety-related matters. Fibre optic connector optical interfaces Optical interface standard single mode angled physically contacting fibres.
Fibre optic interconnecting devices and passive components performance standard. Electrical safety in low voltage distribution systems up to 1 V a. Particular requirements Static meters for reactive energy classes 2 and 3.
BS IEC 61937-14:2017
Fibre optic connector optical interfaces Optical interface. Dosimetric instruments used for non-invasive measurement of X-ray tube voltage in diagnostic radiology. Safety and EMC requirements for equipment for mechanical handling of bulk materials except fixed belt conveyors.
Additional specifications for CPF 3.
General requirements, methods of testing and required test results. Safety requirements for portable sealed alkaline secondary cells and batteries. Tube in tube method. Package and interface standards SC 1×9 fibre optic modules. Single-mode fibre, plug-style fixed attenuators for category U. Crystalline silicon photovoltaic PV array.
OVE webshop – IEC SER (Series)
Safety of power transformers, power supply units and similar Particular requirements for safety isolating transformers for general use. Electric vehicle conductive charging system A.
Methods of measurement for waveguides Graphical method for the determination of waveguide performance. Industrial, rigid, moulded, laminated tubes and rods of rectangular and hexagonal cross-section based on thermosetting resins for electrical purposes Definitions, designations and general requirements.
Electrical insulation systems EIS. Measurement of electromagnetic emissions, kHz to 1 GHz General irc and definitions. Package and interface standards PN 1×9 plastic optical fibre transceivers.
Measuring methods Generic specification. Surface mounting technology Standard method for the specification of surface mounting components SMDs.
Specific communication service mapping SCSM Sampled values over serial unidirectional multidrop point to point link. Equipment for testing, measuring ormonitoring of protective measures Resistance to earth. Basic communication structure for substation and feeder equipment Abstract communication service interface ACSI.
Testing of the stability of metrological characteristics by applying elevated temperature. Dimensions EFD-cores for use in power supply applications. Colour measurement 61397-1 management Colour management. Safety of transformers, reactors, oec supply units and combination thereof Particular requirements and tests for variable transformers and power supply units incorporating variable transformers.
Secondary batteries except lithium for the propulsion of electric road vehicles. Safety of transformers, reactors, power supply units and combinations thereof Particular requirements and tests for transformer for shavers, power supply units for shavers and shaver supply units.
Performance requirements and methods of measurement in the frequency range 0. Nickel-cadmium prismatic secondary single cells with partial gas recombination. System interfaces for distribution management Common information model CIM extensions for distribution.
Software aspects for computer-based systems performing category B or C functions. General and textural properties.