Normativa ISO UNE gratis

Fecha de publicación: 30/11/1989 Degrees of protection provided by enclosures (IP Code) IEC 60529:1989

Fecha de publicación: 30/11/1989 Telecontrol equipment and systems. Part 1: General considerations. Section Two: Guide for specifications IEC 60870-1-2:1989

Fecha de publicación: 15/12/1989 Amendment 1 – Methods of measurement for radio equipment used in satellite earth stations. Part 2: Measurements for sub-systems. Section One: General – Section Two: Antenna (including feed network) IEC 60510-2-1:1978/AMD1:1989

Fecha de publicación: 15/12/1989 Level measuring systems utilizing ionizing radiation with continuous or switching output IEC 60982:1989

Fecha de publicación: 15/12/1989 Lamp caps and holders together with gauges for the control of interchangeability and safety – Part 3: Gauges – Eleventh supplement. IEC 60061-3L:1989

Fecha de publicación: 31/12/1989 Lamp caps and holders together with gauges for the control of interchangeability and safety – Part 2: Lampholders – Ninth supplement. IEC 60061-2J:1989

Fecha de publicación: 31/12/1989 Helical-scan digital component video cassette recording system using 19 mm magnetic tape (format D-1) IEC 61016:1989

Fecha de publicación: 31/01/1990 Filters for the measurement of audible sound in the presence of ultrasound IEC 61012:1990

Fecha de publicación: 01/02/1990 Telecontrol equipment and systems. Part 5: Transmission protocols – Section One: Transmission frame formats IEC 60870-5-1:1990

Fecha de publicación: 15/02/1990 Microprocessor system bus – 8-bit and 16-bit data (MULTIBUS I) – Part 3: Mechanical and pin descriptions for the Eurocard configuration with pin and socket (indirect) connectors IEC 60796-3:1990