IEC 62397:2022 ED2

Nuclear power plants - Instrumentation and control important to safety - Resistance temperature detectors

Publication date:   Nov 23, 2022

General information

60.60 Standard published   Nov 23, 2022

IEC

TC 45/SC 45A

International Standard

27.120.20   Nuclear power plants. Safety

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Scope

IEC 62397:2022 describes the requirements for resistance temperature detectors (RTDs) suitable for applications in I&C systems important to safety of nuclear power plants. The requirements of RTDs include design, materials, manufacturing, testing, calibration, procurement, and inspection. RTDs used for safety applications in Nuclear Power Plants can be categorized into direct-immersed and thermowell-mounted RTDs.
This standard describes the requirements for the design, material selection, procurement, construction, and testing of resistance temperature detectors (RTDs) used in nuclear power plants (NPPs). These RTDs may be used in both the nuclear safety I&C systems and/or in the non-safety-related instrumentation systems.
This second edition cancels and replaces the first edition, published in 2007; it also cancels and replaces the first edition of IEC 61224:1993. This edition includes the following significant technical changes with respect to the previous edition.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 61224:1993 ED1

WITHDRAWN
IEC 62397:2007 ED1

NOW

PUBLISHED
IEC 62397:2022 ED2
60.60 Standard published
Nov 23, 2022