Normativa ISO UNE gratis

Fecha de publicación: 20/10/1999 Magnetic properties of magnetically hard materials at elevated temperatures – Methods of measurement IEC TR 61807:1999

Fecha de publicación: 29/10/1999 Amendment 1 – Live working – Voltage detectors – Part 2: Resistive type to be used for voltages of 1 kV to 36 kV a.c. IEC 61243-2:1995/AMD1:1999

Fecha de publicación: 29/10/1999 Fibre optic connector interfaces – Part 16: Type PN connector family IEC 61754-16:1999

Fecha de publicación: 04/11/1999 Nuclear power plants – Pressurized water reactors – Vibration monitoring of internal structures IEC 61502:1999

Fecha de publicación: 16/11/1999 Connectors for use in d.c., low-frequency analogue and digital high speed data applications – Part 3-100: Rectangular connectors with assessed quality – Detail specification for a range of shielded connectors with trapezoidal-shaped shells and non-removable ribbon contacts on a 1,27 mm double row IEC 61076-3-100:1999

Fecha de publicación: 30/11/1999 Connecting devices – Electrical copper conductors – Safety requirements for screw-type and screwless-type clamping units – Part 1: General requirements and particular requirements for clamping units for conductors from 0,2 mm2 up to 35 mm2 (included) IEC 60999-1:1999

Fecha de publicación: 30/11/1999 Waveguide type dielectric resonators – Part 1-3: General information and test conditions – Measurement method of complex relative permittivity for dielectric resonator materials at microwave frequency IEC 61338-1-3:1999

Fecha de publicación: 10/12/1999 Nuclear reactor instrumentation – Pressurized light water reactors (PWR) – Monitoring adequate cooling within the core during cold shutdown IEC 62117:1999

Fecha de publicación: 17/12/1999 Low-voltage switchgear and controlgear – Part 5-6: Control circuit devices and switching elements – DC interface for proximity sensors and switching amplifiers (NAMUR) IEC 60947-5-6:1999

Fecha de publicación: 22/12/1999 Ceramic and glass insulating materials – Part 2: Methods of test IEC 60672-2:1999