EN 1127-1:1997 Explosive Atmospheres - Explosion Prevention and Protection - Part 1: Basic Concepts and Methodology
EN 14034-4 Determination of explosion characteristics of dust clouds - Part 4: Determination of the limiting oxygen concentration LOC of dust clouds*, 2011-01-01 Update
EN 50104 Electrical apparatus for the detection and measurement of oxygen - Performance requirements and test methods*, 2010-06-01 Update
IEC 61508-1 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements*, 2010-04-01 Update
IEC 61508-2 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 2: Requirements for electrical/electronic/programmable electronic safety-related systems*, 2010-04-01 Update
IEC 61508-3 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 3: Software requirements*, 2010-04-01 Update
IEC 61511-1 Functional safety - Safety instrumented systems for the process industry sector - Part 1: Framework, definitions, system, hardware and application programming requirements*, 2023-12-23 Update
IEC 61511-2 Functional safety - Safety instrumented systems for the process industry sector - Part 2: Guidelines for the application of IEC 61511-1:2016*, 2016-07-28 Update
IEC 61511-3 Functional safety - Safety instrumented systems for the process industry sector - Part 3: Guidance for the determination of the required safety integrity levels*, 2016-07-21 Update