April 2026 Brings Major Advances to Non-Destructive Testing Standards

Non-destructive testing (NDT) and quality assurance practices have witnessed significant advancements with the publication of four pivotal international standards in April 2026. As the demand for reliability, regulatory compliance, and operational safety grows across multiple industries, the latest updates address both technical instrumentation and personnel competency, strengthening the backbone of quality assurance frameworks worldwide.

These new standards, including dual releases from ISO and CEN on eddy current equipment, set out rigorous requirements for verification procedures, personnel vision acuity, and laboratory safety. Quality managers, NDT professionals, compliance officers, and laboratory engineers will find crucial guidance for raising industry benchmarks and meeting evolving regulatory expectations.

Overview / Introduction

The field of non-destructive testing plays a vital role across sectors such as manufacturing, aerospace, energy, and laboratory sciences. International standards serve as the foundation for harmonized quality control, ensuring that testing processes and equipment are both reliable and safe. In April 2026, new publications have introduced more stringent requirements to advance the effectiveness and credibility of NDT operations.

This article explores:

• The comprehensive requirements and verification procedures for general-purpose eddy current inspection equipment
• Quality guidelines for evaluating NDT personnel’s vision acuity
• Enhanced safety protocols for laboratory centrifuges
• Practical steps for industry compliance and risk reduction

By examining these standards, readers will learn how to strengthen quality management systems, minimize risk, and ensure organizational compliance with global best practices.

Detailed Standards Coverage

EN ISO 15548-1:2026 - Instrument Characteristics and Verification for Eddy Current Equipment

Non-destructive testing - Equipment for eddy current examination - Part 1: Instrument characteristics and verification (ISO 15548-1:2026)

This updated European and international standard provides a detailed framework for assessing the characteristics and verifying the performance of general-purpose eddy current instruments. Its recommendations cover a wide range of technical and operational parameters, ensuring that critical NDT equipment meets consistently high benchmarks.

Key aspects include:

• Scope and Purpose: The standard offers methods for evaluating core functionalities—with criteria for digital and analog instruments. It covers aspects such as power supply, technology integration, physical configuration, environmental tolerance, and all relevant electrical characteristics.
• Verification Procedures: It defines structured verification protocols and distinguishes between general characteristics (like portability, operating temperature, and display interfaces) and electrical features (such as generator type, excitation frequency, signal processing, and digital output).
• Technical Changes: The 2026 revision brings clarity on the modularity and digitalization of instruments, revised procedures for component characterization, and new measurement methodologies supporting traceability and comparability.
• Target Audience: NDT laboratories, asset integrity teams, manufacturers of inspection instruments, and regulatory bodies adopting or specifying eddy current methods.

Practical implications:

• Instrument selection and procurement teams can use the standard to evaluate new equipment or maintain existing assets.
• NDT organizations can confidently document compliance and defend their methodologies during audits and certifications.
• Adoption by equipment manufacturers ensures products are acceptable for use in international contexts.

Key highlights:

• Enhanced verification for both analog and digital eddy current equipment
• Comprehensive scope including power, safety, environmental conditions, and signal output
• Detailed verification and corrective action procedures for consistent performance

Access the full standard:View EN ISO 15548-1:2026 on iTeh Standards

EN ISO 18490:2026 - Vision Acuity Evaluation for NDT Personnel

Non-destructive testing - Evaluation of vision acuity of NDT personnel (ISO 18490:2026)

EN ISO 18490:2026 presents a harmonized methodology for objectively evaluating the vision acuity of personnel involved in NDT processes. The human element is crucial, as misinterpretation due to undiagnosed or uncorrected vision issues can compromise safety and quality.

Key requirements:

• Standardized Vision Testing: Specifies mandatory procedures, quality benchmarks for vision charts, illumination conditions, and acceptable levels for near, far, and color vision. Tests target conditions representative of real-world NDT tasks.
• Personnel Competency: Sets out qualifications for testers administering vision evaluations, adding further objectivity and repeatability.
• Updates from Previous Versions: Inclusion of tests for both far and color vision, expanded guidance on lighting and chart selection, and updated references to key international ophthalmic standards. New informative annexes enhance information on low-contrast and grey-scale perception.
• Ideal for: NDT service providers, HR and compliance departments verifying inspector capability, and third-party certification bodies.

Practical implications:

• Ensures that NDT inspections are undertaken by technically competent personnel, reducing the risk of missed indications or erroneous results.
• Supports compliance with ISO 9712 and other personnel certification requirements internationally.
• Provides tangible, defendable evidence for audit trails and staff fitness reviews.

Key highlights:

• Clearly defined procedures for near, far, color, grey-scale, and low-contrast vision testing
• Qualification and documentation requirements for individuals conducting assessments
• Direct linkage to competency and certification standards (ISO 9712)

Access the full standard:View EN ISO 18490:2026 on iTeh Standards

ISO 15548-1:2026 - Instrument Characteristics and Verification for Eddy Current Equipment

Non-destructive testing — Equipment for eddy current examination — Part 1: Instrument characteristics and verification

This third-edition international standard (ISO 15548-1:2026) closely aligns with its EN ISO counterpart, offering the latest global requirements for the evaluation and verification of eddy current equipment. Designed to ensure comparability and consistency for general-purpose instruments, the updated clauses provide valuable detail for all users internationally.

Key features:

• Expanded Scope: Now explicitly incorporates devices with digital interfaces and mixed analog-digital instrumentation. Modular, portable, and fixed configurations are all addressed.
• Comprehensive Electrical Parameters: Outlines procedures for verifying generator performance, input stage attributes, demodulation accuracy, signal processing, noise, crosstalk, and output quality.
• Harmonized Terms and Definitions: Updates terminology per ISO GUIDE 99 and ISO 18173, making the standard easier to reference alongside related NDT standards worldwide.
• Acceptance Criteria: Emphasizes documenting measurable equipment characteristics, allowing procurement and quality teams to set evidence-based acceptance thresholds.

Who should comply:

• Manufacturers, third-party calibration laboratories, NDT service providers, regulatory authorities

Implications:

• Promotes interoperability of NDT data and equipment globally
• Simplifies equipment procurement and audit by providing a precise reference for required features
• Supports risk mitigation through robust, repeatable instrument verification

Key highlights:

• Third edition includes digital instrumentation requirements and measurement procedures
• New sections and updated tables for balance, demodulation, crosstalk, and noise
• Enables effective, documentable commissioning and regular verification of eddy current systems

Access the full standard:View ISO 15548-1:2026 on iTeh Standards

prEN IEC 61010-2-020:2024 - Safety for Laboratory Centrifuges

Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-020: Particular requirements for laboratory centrifuges

Laboratory centrifuges are essential in chemical, biological, and materials laboratories. This new, updated draft European standard focuses on safeguarding operators and environments through rigorous safety and risk management protocols tailored to centrifugal devices.

Core requirements:

• Safety Design and Marking: Enhanced specifications for labeling, documentation, and operational warnings. The standard mandates clear identification for rotors, assemblies, and accessories, as well as detailed instructions for installation, safe use, and maintenance.
• Protection Mechanisms: Covers electrical shock, mechanical hazards (including rotor disruption and chamber breaches), exposure to liberated gases or biological agents, high-energy chemical reactions, and radiological risks. Special provisions are included for biocontainment (bioseals) and cleanability.
• Operational Protocols: Defines equipment ratings, site preparation, loading and balancing, hazard precautions, and explicit routines for maintenance and decontamination.
• Risk Assessment: Outlines the need for documented clearance envelopes, fail-safe mechanisms, emergency instructions, and operator safety guidelines compliant with evolving biosafety frameworks.

Target organizations:

• Accredited laboratories, university and research facilities, equipment manufacturers and importers, quality and EHS managers.

Practical implications:

• Reduces risk of injury or laboratory incidents linked to centrifuge misuse or failure
• Supports regulatory compliance and laboratory accreditation
• Aids in equipment procurement and operational best practice

Key highlights:

• Extensive coverage of mechanical, electrical, thermal, and biological hazards
• Detailed documentation and marking requirements, including for rotors and accessories
• Prescriptive risk assessment and accident prevention strategies, including operator instructions and bioseal protocols

Access the full standard:View prEN IEC 61010-2-020:2024 on iTeh Standards

Industry Impact & Compliance

The publication of these standards marks a decisive step forward for organizations striving to maintain robust testing, calibration, and laboratory operations. Adopting these requirements brings multifaceted benefits:

• Improved Quality and Consistency: Uniform verification and personnel qualification minimize variability across sites and providers.
• Global Market Access: Harmonized standards make it easier for products and services to move across international borders.
• Audit Readiness: Clearly defined technical and procedural requirements simplify compliance with regulatory and customer audits.
• Operational Safety: Enhanced protocols for equipment use, maintenance, and personnel health directly reduce workplace incidents and liability.

Compliance considerations:

• Organizations should review internal procedures and equipment inventories for alignment with new requirements.
• Staff should be retrained on updated test methods and safety protocols.
• Routine verification and documentation—such as annual vision acuity checks or instrument calibration logs—should be standardized as part of ongoing quality management systems.
• Manufacturers should update product documentation and training materials to reflect new labeling and safety expectations.

Implementation timeline:

• Many standards become effective at publication, but organizations should consider grace periods for procurement cycles, inventory phase-outs, or third-party certifications where applicable.

Risks of non-compliance:

• Regulatory sanctions, contract non-fulfillment, increased risk of testing errors, and potential hazards to personnel and assets.

Technical Insights

Several cross-cutting technical priorities are reinforced throughout the new standards:

• Instrumentation Verification: Both EN ISO/ISO 15548-1:2026 demand rigorous, measurable verification of instrument performance, including checks for signal integrity, measurement linearity, noise, and calibration. Routine and event-driven verification are prescribed, ensuring reliability and repeatability.
• Personnel Competency: EN ISO 18490:2026 attaches new importance to objective, standardized vision testing, ensuring NDT results are not compromised by human performance limitations. Documentation and regular re-assessment are recommended.
• Documentation and Traceability: Across all standards, meticulous documentation—whether for equipment markings, testing procedures, or personnel certification—is a common thread.
• Laboratory Safety: prEN IEC 61010-2-020:2024 sets a higher bar for hazard mitigation, requiring not only technical safety design but also operational discipline, from site layout to biohazard containment, and even cleaning protocols.

Best practices:

1. Establish standardized instrument verification protocols tied to maintenance schedules and procedure updates
2. Implement annual personnel vision testing, recording results in personnel files
3. Use risk assessments to review and update laboratory and testing SOPs in accordance with the latest standards
4. Conduct gap analyses of existing equipment and operational procedures
5. Train all staff involved in NDT or laboratory operations on relevant new and revised standards

Testing and certification recommendations:

• Consider using accredited third-party calibration laboratories and occupational health providers to ensure impartiality and traceability
• Where required, maintain records suitable for regulatory and customer audits
• Update procurement specifications to cite new standard editions explicitly

Conclusion / Next Steps

The April 2026 publication of these four influential non-destructive testing standards underscores the industry’s move toward greater reliability, safety, and transparency. From ensuring the precise performance of eddy current instruments to certifying the competency of inspection personnel and enhancing laboratory equipment safety, these updates impact daily operations and strategic planning alike.

Key takeaways:

• Early adoption supports business resilience and audit-readiness
• Standards-driven processes safeguard quality, reduce risk, and streamline compliance
• Stakeholders should proactively assess and bridge any gaps in their systems

Recommendations:

• Conduct a full review of current NDT equipment, laboratory practices, and personnel qualification in the light of new standards
• Update internal procedures, procurement policies, and training programs accordingly
• Engage with iTeh Standards to access the most recent and authoritative versions of critical standards, ensuring ongoing compliance and competitive advantage

Explore the full text of each standard via the links provided above. To stay current with future updates and emerging requirements in non-destructive testing, visit iTeh Standards regularly and consider subscribing to industry alerts.