Devices for the disinfection of water using ultraviolet radiation - Part 3: Reference radiometers for devices equipped with UV low pressure lamps - Requirements and testing
Edition 2020-08

Measurement of the Electrical Properties of Microwave Tubes; Part 6: High Power Clystrons
Edition 1978-02

Tanks for transport of dangerous goods - Service equipment for tanks - Overfill prevention systems for liquid fuels; German version EN 13922:2020+A1:2022
Edition 2022-11

Measurement microphones - Part 4: Specifications for working standard microphones (IEC 61094-4:1995); German version EN 61094-4:1995
Edition 1996-05

Metallic coatings on non-metallic basis materials - Measurement of coating thickness - Micro-resistivity method (ISO 14571:2020); German version EN ISO 14571:2022
Edition 2023-01

Expression of performance of electrochemical analyzers - Part 2: pH-value (IEC 60746-2:2003 + Corrigendum 2003); German version EN 60746-2:2003
Edition 2003-09

Methods for the calibration of vibration and shock transducers - Part 44: Calibration of field vibration calibrators (ISO 16063-44:2018)
Edition 2019-02

Photometry - Part 7: Classification of illuminance meters and luminance meters
Edition 2017-02

Electrorheological suspensions - Requirements, testing and application - Part 1: Basics and field strength independent properties
Edition 2011-04

Quartz-clocks; requirements, testing, marking
Edition 1987-05