Overview
IEC/IEEE 62582-2:2022 is an international Dual-Logo standard for condition monitoring of electrical equipment important to safety in nuclear power plants using the indenter (indenter modulus) measurement technique. The document provides detailed methods to obtain accurate, reproducible measurements on organic and polymeric materials (for example, cable jackets, insulation and O‑rings). It covers sample selection, measurement systems and conditions, calibration, and reporting. This part applies to non-energised equipment and updates the 2011 edition (and 2016 amendment), including a modification of the title and consideration of IEC/IEEE 60780-323.
Key topics and requirements
- Indenter modulus measurements: Procedures to determine the indenter modulus value and calculation methods that ensure traceable, repeatable results.
- Sample selection and preparation: Criteria for choosing representative samples and stabilisation of polymeric materials before testing.
- Measurement system and instrumentation: Requirements for probe geometry, probe velocity, maximum force, clamping, and instrumentation tolerances to minimise variability.
- Measurement conditions: Environmental controls (temperature, humidity) and conditions for laboratory versus field measurements, including guidance on sampling locations.
- Calibration and reproducibility: Calibration procedures, acceptance tolerances and factors affecting measurement reproducibility.
- Reporting and documentation: Required data elements and example report formats to support condition-based assessment and qualification decisions.
- Applicability and limitations: Guidance on where indenter methods are appropriate, complexity considerations and interpretation of results for ageing management.
Applications and users
IEC/IEEE 62582-2:2022 is intended for professionals managing ageing and qualification of instrumentation and control (I&C) electrical equipment in nuclear facilities. Typical users include:
- Test laboratories performing polymeric material characterisation
- Nuclear power plant operators implementing condition monitoring programs
- Systems evaluators and asset managers assessing remaining useful life
- Licensing engineers and safety assessors using condition-based qualification approaches
Practical applications include periodic condition assessments of power plant cables, seals and elastomers to inform maintenance, replacement decisions and equipment qualification under IEC/IEEE 60780-323 principles.
Related standards
- IEC/IEEE 62582-1 - background and application guidance for condition monitoring methods (use in conjunction with Part 2).
- IEC/IEEE 60780-323 - equipment qualification and role of condition-based approaches (considered in this edition).
IEC/IEEE 62582-2:2022 is a technical reference for accurate indenter modulus testing, helping stakeholders implement standardized, reproducible condition monitoring to support safety and ageing management in nuclear power plants.