Fire detection and fire alarm system - Part 31: Multi-sensor fire detectors - Point detectors using a combination of smoke, carbon monoxide and optionally heat sensors; German version EN 54-31:2014— 109 стр.
Fire detection and fire alarm systems - Part 31: Multi-sensor fire detectors - Point detectors using a combination of smoke, carbon monoxide and optionally heat sensors; German version EN 54-31:2014+A1:2016— 114 стр.
Air quality - Certification of automated measuring systems - Part 4: Performance criteria and test procedures for automated measuring systems for periodic measurements of emissions from stationary sources; German version EN 15267-4:2017— 62 стр.
Railway applications - Track - Safety protection on the track during work - Part 2-1: Common solutions and technologies - Technical requirements for Track Warning Systems (TWS); German version EN 16704-2-1:2016— 32 стр.
Detail specification: Fixed low power film SMD resistors - Rectangular - Stability classes 1; 2; German version EN 140401-802:2007 + A1:2010 + A2:2013— 39 стр.
Optical amplifiers - Part 5-2: Qualification specifications; Reliability qualification for optical fibre amplifiers (IEC 61291-5-2:2002); German version EN 61291-5-2:2002— 25 стр.
Direct acting indicating analogue electrical-measuring instruments and their accessories - Part 1: Definitions and general requirements common to all parts (IEC 60051-1:1997); German version EN 60051-1:1998— 25 стр.
