Ultrasonics - Flow measurement systems - Flow test object (IEC 61685:2001); German Version EN 61685:2001
Edition 2003-02

Ergonomic design of control centres - Part 3: Control room layout (ISO 11064-3:1999); German version EN ISO 11064-3:1999
Edition 2000-09

Industrial-process control valves - Part 1: Control valve terminology and general considerations (IEC 60534-1:2023); German version EN IEC 60534-1:2023
Edition 2024-05

Optical amplifiers - Test methods - Part 1-3: Power and gain parameters - Optical power meter method (IEC 61290-1-3:2021); German version EN IEC 61290-1-3:2021
Edition 2023-10

Aerospace; electrical subsystems; identification of circuits, equipments and cables
Edition 1992-09

Controllers with analogue signals for use in industrial-process control systems - Part 1: Methods of evaluating the performance (IEC 60546-1:2010); German version EN 60546-1:2010
Edition 2011-06

Waveguide type dielectric resonators - Part 2: Guidelines for oscillator and filter applications (IEC 61338-2:2004); German version EN 61338-2:2004
Edition 2005-02

Methods of measurement for equipment used in digital microwave radio transmission systems - Part 3: Measurements on satellite earth stations; section 9: Terminal equipment SCPC-PSK (IEC 60835-3-9:1993); German version EN 60835-3-9:1995
Edition 1995-07

Rotating shaft vibration measuring systems - Part 1: Relative and absolute sensing of radial vibration (ISO 10817-1:1998)
Edition 1999-11

Quartz crystal controlled oscillators of assessed quality - Part 4: Sectional specification - Capability approval (IEC 60679-4:1997); German version EN 60679-4:1998
Edition 1998-11