Multi-channel radio frequency connectors - Part 3: Sectional specification for MQ5 series circular connectors (IEC 63138-3:2022); German version EN IEC 63138-3:2022
Edition 2023-08

Multi-channel radio-frequency connectors - Part 2: Sectional specification for MQ4 series circular connectors (IEC 63138-2:2020); German version EN IEC 63138-2:2021
Edition 2022-05

Piston-operated volumetric apparatus - Part 2: Pipettes (ISO 8655-2:2022); German version EN ISO 8655-2:2022
Edition 2022-11

Optical amplifiers - Test methods - Part 10-2: Multichannel parameters - Pulse method using a gated optical spectrum analyzer (IEC 61290-10-2:2007); German version EN 61290-10-2:2008
Edition 2008-07

Multichannel digital audio tape recorder (DATR), reel-to-reel system, for professional use - Part 2: Format B (IEC 61595-2:1997); German version EN 61595-2:1998
Edition 1998-07

Multichannel digital audio tape recorder (DATR), reel-to-reel system, for professional use - Part 1: Format A (IEC 61595-1:1997); German version EN 61595-1:1997
Edition 1998-07

Piston-operated volumetric apparatus - Part 7: Alternative measurement procedures for the determination of volume (ISO 8655-7:2022, Corrected version 2023-01); German version EN ISO 8655-7:2022
Edition 2024-02

Aerospace series - Elements of electrical and optical connection; Test methods - Part 601: Optical elements; Insertion loss; German and English version EN 2591-601:2001
Edition 2002-10

Recommended methods of measurement on receivers for television broadcast transmissions - Part 3: Electrical measurements on multichannel sound television receivers using subcarrier systems (IEC 60107-3:1988 + A1:1999)
Edition 2000-09

Recommended methods of measurement on receivers for television broadcast transmissions - Part 5: Electrical measurements on multichannel sound television receivers using the NICAM two-channel digital sound-system (IEC 60107-5:1992 + A1:1999); German version EN 60107-5:1992 + A1:1999
Edition 1999-12