June 2026 Updates: New Standards Transform Metrology and Measurement

The June 2026 release of international standards marks a pivotal advancement for the fields of metrology and measurement, specifically regarding physical phenomena. Professionals involved in product testing, quality assurance, process instrumentation, and acoustic evaluation will benefit from the five meticulously revised standards published this month. These updates introduce new requirements and refinements for industries ranging from household appliance manufacturing to industrial process control, dimensional calibration, and building acoustics. Read on for a detailed breakdown of what’s new and how to ensure your organization remains compliant and competitive.

Overview / Introduction

Metrology and measurement of physical phenomena underpin the technical infrastructure of countless industrial sectors. From ensuring the reliability of process sensors in manufacturing plants to maintaining the quality of tools used in precision engineering, standards in this domain are essential for product safety, regulatory compliance, interoperability, and market access.

This article (the first of a two-part June 2026 series) provides:

• Context for why standards updates are frequent and vital
• Practical explanations of what’s covered in the five newly published standards
• The relevance of these changes for compliance officers, engineers, researchers, and manufacturers

Whether your focus is process automation, acoustic product evaluation, or precision dimensional measurement, understanding these updates is critical for organizational excellence.

Detailed Standards Coverage

IEC 60704-2-1:2026 - Airborne Noise Testing for Dry Vacuum Cleaners

Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-1: Particular requirements for dry vacuum cleaners

The fifth edition of IEC 60704-2-1:2026 specifies rigorous procedures for measuring the airborne acoustical noise generated by both mains-operated and cordless dry vacuum cleaners, including their accessories and docking stations. The standard applies to vacuum cleaners designed for home or similar environments and is harmonized with IEC 60704-1:2021 to ensure testing consistency across appliance types.

Key requirements and scope:

• Includes both carpet and hard floor scenarios for accurate representation of practical use
• Addresses new testing aspects relevant to consumers, improving sound performance transparency
• Expands the scope to incorporate noise measurement for docking stations as a critical accessory
• The procedure takes into account different vacuum cleaner configurations, including robots (covered separately), and employs reference carpets and hard surfaces for repeatable results

Who needs to comply?

• Electrical appliance manufacturers and quality managers
• Laboratory testing facilities and consumer safety organizations
• Regulatory authorities overseeing home appliance conformity

Practical implications: Implementing the updated test code improves market comparability and consumer safety by defining standardized measurement and reporting. It also helps close loopholes noted in previous editions, ensuring robust compliance and repeatability across jurisdictions.

Key highlights:

• Full alignment with IEC 60704-1:2021 for all baseline requirements
• Enhanced robustness and specificity, reducing interpretation gaps
• Enlarged scope for comprehensive noise testing, including docking stations

Access the full standard:View IEC 60704-2-1:2026 on iTeh Standards

IEC 62828-1:2026 - General Procedures for Industrial & Process Measurement Transmitters

Reference conditions and procedures for testing industrial and process measurement transmitters - Part 1: General procedures for all types of transmitters

IEC 62828-1:2026 provides the common foundation for assessing the performance of all process measurement transmitters (PMTs), including both analog (current/voltage) and digital (with or without hybrid outputs) types. As the series’ backbone, Part 1 contains the general procedures now referenced by all subsequent parts.

Key requirements and scope:

• Defines rigorous reference test conditions for environmental influences (temperature, humidity, vibration, EMC)
• Presents comprehensive test procedures for accuracy, uncertainty, functional evaluation, and report structure
• Unifies terminology for "inaccuracy" and "accuracy", introducing updated definitions for clarity
• Moves critical definitions (e.g., warm-up time, settling time) and performance calculation examples into Part 1 for central access

Who needs to comply?

• Manufacturers and integrators of industrial instrumentation
• Quality managers in process industries (chemical, pharmaceutical, power, water treatment)
• Accredited calibration and test labs

Practical implications: Organizations can streamline transmitter qualification by using harmonized testing methods, improve calibration consistency, and more easily document compliance for audits and global trade.

Key highlights:

• Structured test regimes for both analog and digital transmitters
• Updated documentation and reporting frameworks
• Integration of guidance on signal range (4–20 mA) and performance indicators

Access the full standard:View IEC 62828-1:2026 on iTeh Standards

IEC 62828-2:2026 - Testing Procedures for Pressure Transmitters

Reference conditions and procedures for testing industrial and process measurement transmitters - Part 2: Specific procedures for pressure transmitters

An essential companion to Part 1, IEC 62828-2:2026 focuses on pressure transmitters and introduces precision and reliability improvements for process environments where pressure sensing is critical. It references the general procedures from Part 1 while establishing specialized tests unique to pressure devices, such as overpressure and static pressure influence.

Key requirements and scope:

• Covers testing of pressure transmitters with or without remote seals, ensuring real-world applicability
• Updates definitions, extends additional test requirements (long-term drift, pressure error calculation), and clarifies measurement accuracy criteria
• Expands documentation requirements and correction formula methodologies

Who needs to comply?

• Instrumentation suppliers serving process manufacturing, automation, and utilities
• Engineers responsible for onsite accuracy verification and acceptance testing
• Test laboratories certifying compliance with global product standards

Practical implications: By aligning test procedures more closely to the latest IEC rules, pressure transmitters can be specified, installed, and maintained with greater reliability and lower risk. Enhanced traceability and quality assurance procedures support all stakeholders, from product designers to plant operators.

Key highlights:

• Revised long-term drift and error analysis formulas
• New annex specifying the main pressure transmitter characteristics
• Expanded test coverage and more rigorous error boundaries

Access the full standard:View IEC 62828-2:2026 on iTeh Standards

EN ISO 1938-1:2026 - Plain Limit Gauges of Linear Size

Geometrical product specifications (GPS) - Dimensional measuring equipment - Part 1: Plain limit gauges of linear size (ISO 1938-1:2026)

This edition of EN ISO 1938-1:2026 modernizes plain limit gauge specifications according to state-of-the-art metrological principles. It defines the types, design characteristics, and permissible limit states of these essential tools used to verify product dimensions—especially for rigid workpieces up to 500 mm in size.

Key requirements and scope:

• Specifies all major types of plain limit gauges (GO/NO GO, plug, ring, and others)
• Ensures consistency in metrological and design characteristics—addressing both new and in-service (worn) states
• Details new maximum permissible limits (MPLs), supporting higher measurement confidence in manufacturing quality control

Who needs to comply?

• Dimensional metrology specialists
• Manufacturers producing or using limit gauges
• Machine shops, tool rooms, and calibration services

Practical implications: Uniform criteria for gauge use and maintenance improve product verification reliability and reduce non-conformities in machining and assembly operations. The revised definitions and updated tables enhance interoperability and traceability within supply chains.

Key highlights:

• Updated definitions and expanded requirements for modern gauge designs
• Inclusion of guidance for calculation and verification of MPLs for internal and external features
• Clear methods for practical application and uncertainty management

Access the full standard:View EN ISO 1938-1:2026 on iTeh Standards

EN ISO 9053-1:2026 - Determination of Airflow Resistance in Acoustics

Acoustics - Determination of airflow resistance - Part 1: Static method (ISO 9053-1:2026)

Acoustic engineers and building professionals will benefit from the release of EN ISO 9053-1:2026, which establishes the static method for determining airflow resistance in porous materials—a key parameter for optimizing sound-absorbing and acoustical insulation materials.

Key requirements and scope:

• Defines equipment and procedures for measuring static airflow resistance in laminar flow conditions
• Specifies apparatus, calibration, sample preparation, and test methodologies for a variety of porous materials
• Introduces precision metrics for both routine tests and daily calibration using reference samples

Who needs to comply?

• Acoustic product manufacturers
• Laboratories testing and certifying building materials
• Architects, designers, and engineers seeking to specify sound management solutions

Practical implications: By standardizing the measurement of static airflow resistance, this standard provides a solid foundation for harmonized product ratings and accurate prediction of acoustical performance in architectural and industrial applications.

Key highlights:

• Modernized test setups and calibration methods
• Thorough definitions of key performance quantities for static airflow
• Supports regulatory and voluntary performance claims in building acoustics

Access the full standard:View EN ISO 9053-1:2026 on iTeh Standards

Industry Impact & Compliance

The new and revised standards outlined this month reshape expectations for measurement consistency and data comparability across a wide array of industries. Organizations adopting these standards proactively will benefit from:

• Greater repeatability in laboratory and field testing
• Enhanced alignment with global regulatory requirements and certification schemes
• Fewer product failures, rejections, or recalls due to measurement discrepancies
• Simpler supplier qualification and purchasing processes, thanks to unified technical language

Compliance considerations and timelines:

• Manufacturers should immediately review design validation and test protocols
• Accredited labs must align their procedures before certifying new products
• Procurement specialists can use updated standards references in supplier contracts

Risks of non-compliance include:

• Delays in market access, especially for export-driven businesses
• Audit findings or failed certifications
• Inconsistencies leading to higher quality control costs

Technical Insights

Despite their diversity, these standards share several technical underpinnings:

• Emphasis on measurement uncertainty, precision, and calibration traceability
• Use of normalized test conditions and explicit documentation requirements, raising the bar for transparency
• Guidance on equipment selection, sample preparation, and environmental control
• Harmonization with related standards (e.g., references to other IEC and ISO series to close coverage gaps)

Best practices for implementation:

1. Review the referenced normative documents (cross-links in each standard) for a complete compliance picture
2. Train technical staff on both the revised test methods and the rationale behind updates, not only procedural changes
3. Update calibration schedules in accordance with the new documentation and MPL guidance
4. Engage with third-party certification bodies early if your products or services are subject to regulatory approval

Testing and certification tips:

• Prioritize instrument calibration and method verification, especially with new uncertainty requirements
• Leverage reference materials and daily calibration routines where specified (e.g., in airflow resistance testing)
• Maintain thorough, standardized test reports as outlined in each standard

Conclusion / Next Steps

The June 2026 wave of standards for metrology and measurement of physical phenomena represents a significant leap toward universal measurement integrity. These changes will benefit organizations through improved calibration, greater testing transparency, and streamlined market access. Professionals should:

• Obtain and review the full text of each relevant standard to guide internal updates
• Integrate revised methods into quality and compliance programs
• Participate in training and industry knowledge-sharing to stay ahead of evolving best practices
• Monitor for future updates—this is part one of a two-part series for June 2026; look for further coverage soon

Explore these standards and more industry-leading guidance at iTeh Standards. Stay informed to drive measurement excellence and compliance in your organization.