Normativa ISO UNE gratis

Fecha de publicación: 28/02/1997 Transmission of audio and/or video and related signals using infra-red radiation – Part 2: Transmission systems for audio wide band and related signals IEC 61603-2:1997

Fecha de publicación: 28/02/1997 Corrigendum 1 – Methods of measurement on radio receivers for various classes of emission – Part 6: General purpose communication receivers IEC 60315-6:1991/COR1:1997

Fecha de publicación: 12/03/1997 Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-19: Examinations and measurements – Polarization dependence of return loss of a single-mode fibre optic component IEC 61300-3-19:1997

Fecha de publicación: 27/03/1997 Test methods for electrical materials, interconnection structures and assemblies – Part 1: General test methods and methodology IEC 61189-1:1997

Fecha de publicación: 16/04/1997 Digital audio tape (DAT) cassette system – Part 4: Character packformat IEC TR 61119-4:1997

Fecha de publicación: 23/04/1997 Connectors with assessed quality for use in d.c., low-frequencyanalogue and in digital high speed data applications – Part 4:Printed board connectors – Section 102: Detail specification fortwo-part single-pole connectors, for multiple uses on plug-inunits, with pre-centring, coding and early mating features, havinga metric grid in accordance with IEC 60917 IEC 61076-4-102:1997

Fecha de publicación: 23/04/1997 Nuclear instrumentation – Bore-hole apparatus for X-ray fluorescence analysis IEC 61335:1997

Fecha de publicación: 28/04/1997 Measuring method for the level of intermodulation products generated in a gyromagnetic device IEC 61843:1997

Fecha de publicación: 28/04/1997 Corrigendum 1 – Guide for field measurement of vibrations and pulsations in hydraulic machines (turbines, storage pumps and pump-turbines) IEC 60994:1991/COR1:1997

Fecha de publicación: 09/05/1997 Multichannel digital audio tape recorder (DATR), reel-to-reel system, for professional use – Part 1: Format A IEC 61595-1:1997