Industrial-process measurement, control and automation - Evaluation of system properties for the purpose of system assessment - Part 4: Assessment of system performance (IEC 61069-4:2016); German version EN 61069-4:2016— 35 стр.
Industrial-process measurement and control - Evaluation of system properties for the purpose of system assessment - Part 4: Assessment of system performance (IEC 61069-4:1997); German version EN 61069-4:1997— 35 стр.