Process measurement and control devices - General methods and procedures for evaluating performance - Part 2: Tests under reference conditions (IEC 61298-2:2008) (english version)
Amendment 4 - International Electrotechnical Vocabulary (IEV) - Part 300: Electrical and electronic measurements and measuring instruments - Part 313: Types of electrical measuring instruments— 3 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.