Normativa ISO UNE gratis

Fecha de publicación: 15/10/1993 Live working – Earthing or earthing and short-circuiting equipment using lances as a short-circuiting device – Lance earthing IEC 61219:1993

Fecha de publicación: 17/12/1993 Piezoelectric ceramic resonators – A Specification in the IEC quality assessment system for electronic components (IECQ) – Part 2: Sectional specification – Qualification approval IEC 61253-2:1993

Fecha de publicación: 17/12/1993 Piezoelectric ceramic resonators – A specification in the IEC quality assessment system for electronic components (IECQ) – Part 1: Generic specification – Qualification approval IEC 61253-1:1993

Fecha de publicación: 17/12/1993 Piezoelectric ceramic resonators – A specification in the IEC quality assessment system for electronic components (IECQ) – Part 2: Sectional specification – Qualification approval – Section 1: Blank detail specification – Assessment level E IEC 61253-2-1:1993

Fecha de publicación: 31/01/1994 Radio-frequency connectors – Part 27: Radio-frequency coaxial connectors with screw coupling, typically for use in 75 ohms cable distribution systems (Type E) IEC 60169-27:1994

Fecha de publicación: 31/01/1994 Radio-frequency connectors – Part 28: Radio-frequency coaxial connectors with inner diameter of outer conductor of 5,60 mm (0,220 in) with snap-on coupling – Characteristic impedance 75 ohms IEC 60169-28:1994

Fecha de publicación: 31/01/1994 Nuclear reactors – Instrumentation and control systems important for safety – Detection of leakage in coolant systems IEC 61250:1994

Fecha de publicación: 08/02/1994 Piezoelectric ceramic resonator units – Part 2: Guide to the use of piezoelectric ceramic resonator units IEC 60642-2:1994

Fecha de publicación: 01/03/1994 Corrigendum 1 – Methods of measurement on radio receivers for various classes of emission. Part 3: Receivers for amplitude-modulated sound-broadcasting emissions IEC 60315-3:1989/COR1:1994

Fecha de publicación: 11/03/1994 Piezoelectric ceramic filters for use in electronic equipment – A specification in the IEC quality assessment system for electronic components (IECQ) – Part 2: Sectional specification – Qualification approval IEC 61261-2:1994