German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 51: Calibration of analytical methods - Linear calibration (A 51)
Edition 2017-05

Electronic projection - Measurement and documentation of key performance criteria - Part 2: Variable resolution projectors (IEC 61947-2:2001); German version EN 61947-2:2002
Edition 2002-07

Electroacoustics - Sound level meters - Part 1: Specifications (IEC 61672-1:2013); German version EN 61672-1:2013
Edition 2014-07

Clinical dosimetry - Dosimetry with solid thermoluminescence detectors for photon and electron radiations in radiotherapy (ISO 28057:2019); German version EN ISO 28057:2021
Edition 2021-06

Railway applications - Brake indicators; German version EN 15220:2016
Edition 2016-12

Ships and marine technology - Transmitting heading devices (THDs) - Part 1: Gyro-compasses (ISO 22090-1:2014)
Edition 2015-11

Fire detection and fire alarm systems - Part 2: Control and indicating equipment; German version EN 54-2:1997
Edition 1997-12