IEC 60704-2-17:2020

IEC 60704-2-17:2020 Overview

IEC 60704-2-17:2020 is an international standard developed by the International Electrotechnical Commission (IEC) that specifies the test code for determining airborne acoustical noise emitted by electrical dry-cleaning robots. This standard applies exclusively to household-use or equivalent environments, focusing on dry-cleaning robots operating on carpet and hard floor surfaces under dry conditions. It excludes industrial or professional dry-cleaning robots, manually operated vacuum cleaners, and outdoor dry-cleaning robots.

As a specialized part of the broader IEC 60704 series-which addresses airborne noise measurement for household appliances-this document supplements IEC 60704-1:2010 by introducing particular requirements tailored for dry-cleaning robots. Accurate noise emission measurements achieved using this standard enable manufacturers and testing laboratories to assess acoustic performance consistently and compare results reliably under normal usage conditions.

Key Topics Covered

• Scope and Application: IEC 60704-2-17 covers test methods adapted to dry-cleaning robots operating indoors on carpets and hard flooring and excludes wet operation use and other robot types.

• Test Environment and Instrumentation: The standard defines appropriate measurement methods, including the use of reverberation rooms and specific acoustical environments, following ISO 3743-2 and ISO 3744 guidance. It details instrumentation requirements to ensure precise sound pressure and sound power level measurements.

• Measurement Procedures: Detailed instructions cover the location and operation of appliances during testing to simulate typical household use. It includes provisions on measuring sound pressure levels, calculating sound power, and handling uncertainties.

• Uncertainty and Standard Deviation: The document specifies standard deviations for test repeatability and reproducibility. For declared noise emission verification consistent with IEC 60704-3, it defines acceptance limits for production and reference values.

• Test Surfaces: Use of a standard Wilton test carpet is prescribed to maintain consistency during noise evaluation on carpeted surfaces.

• Documentation and Reporting: Clear recommendations for recording and reporting test outcomes support transparency and comparability across laboratories and manufacturers.

Practical Applications

• Product Development: Manufacturers of dry-cleaning robots use IEC 60704-2-17 to benchmark acoustic performance, enabling design optimizations that reduce noise emissions for better consumer comfort.

• Performance Verification: Independent testing bodies and certification organizations employ this standard to verify noise levels declared in product specifications, ensuring compliance with regulatory or market requirements.

• Consumer Information: Accurate noise level data generated through IEC 60704-2-17 testing provide consumers with reliable information to make informed purchasing decisions based on product acoustical performance.

• Quality Control: The measurement protocols facilitate ongoing quality assurance checks in manufacturing lines, identifying deviations in noise output linked to production variances.

• Research and Innovation: Acoustic researchers benefit from standardized methods to innovate quieter dry-cleaning robot technologies and evaluate the impact of different floor types on noise emission.

Related Standards

• IEC 60704-1:2010 – Household and similar electrical appliances – Test code for airborne acoustical noise – Part 1: General requirements: Provides the foundational test code upon which Part 2-17 builds.

• IEC 60704-3 – Household and similar electrical appliances – Test code for the determination of airborne acoustical noise – Part 3: Determination of uncertainty: Defines procedures for the declaration and verification of noise emission data, referenced for uncertainty considerations.

• ISO 3743-2:2018 – Acoustics – Determination of sound power levels of noise sources – Engineering methods for small, movable sources in reverberant fields: Applied for sound power methodology relevant to dry-cleaning robots.

• ISO 3744:2010 – Acoustics – Determination of sound power levels and sound energy levels of noise sources using sound pressure – Engineering methods for an essentially free field over a reflecting plane: Alternative measurement methods incorporated within testing protocols.

• IEC TS 62885-1 – Surface cleaning appliances – Part 1: General requirements on test material and test equipment: Specifies the standard test materials and equipment including the Wilton test carpet referenced in noise testing.

Keywords: IEC 60704-2-17, acoustical noise testing, dry-cleaning robots, household appliances noise, airborne noise measurement, IEC standards, dry robot vacuum noise, noise emission testing, Wilton test carpet, acoustical measurement standards.