Smoke alarms using scattered light, transmitted light or ionization (ISO 12239:2021, MOD)
Edition 2023

BS EN 63220. LED Light sources. Safety requirements
Edition 2021-11-22

BS IEC 63221 Fragment 1. LED Light sources. Performance requirements
Edition 2019-05-23

BS EN 63220 Fragment 2. LED Light sources. Safety requirements
Edition 2019-06-06

BS IEC 63220. Fragment 3. LED Light sources. Safety requirements
Edition 2019-08-02

BS IEC 63221. Fragment 2. LED Light sources. Performance requirements
Edition 2019-11-29

Draft BS EN IEC 63555 LED Light sources. Performance requirements
Edition 2024-04-19

BS EN 12352. Traffic control equipment. Warning and safety light devices
Edition 2014-12-08

BS ISO 22412 Particle size analysis - Dynamic light scattering (DLS)
Edition 2024-05-07

Photometry of white light emitting diode for general lighting - Part 2: LED modules and LED light engines
Edition 2019-12-20