Industrial process control systems - Part 2: Methods of evaluating the performance of intelligent valve positioners with pneumatic outputs (IEC 61514-2:2004); German version EN 61514-2:2004— 40 стр.
Electrical engineering; basis environmental testing procedures; test Fc and guidance: vibration (sinusoidal); identical with IEC 60068-2-6:1982 (status as of 1985)
Electrical engineering; classification of environmental conditions; classification of groups of environmental parameters and their severities; introduction and guide for users; identical with IEC 60721-3-0, edition 1984
Industrial process control systems - Part 2: Methods of evaluating the performance of intelligent valve positioners with pneumatic outputs mounted on an actuator valve assembly (IEC 61514-2:2013); German version EN 61514-2:2013— 41 стр.
Industrial process control systems - Part 2: Methods of evaluating the performance of intelligent valve positioners with pneumatic outputs mounted on an actuator valve assembly (IEC 61514-2:2013); German version EN 61514-2:2013— 41 стр.
