IEC 61260-3:2016 PDF

Electroacoustics - Octave-band and fractional-octave-band filters - Part 3: Periodic tests

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IEC 61260-3:2016

Electroacoustics - Octave-band and fractional-octave-band filters - Part 3: Periodic tests

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 46
Дата публикации:: 23 марта 2016 г.
Издание:: IEC IS 61260 edition 1 version 1
ICS:: 17.140.50

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Срок поставки:8 раб. дн. (перевод)

Цена:690 €

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IEC 61260-3:2016 describes procedures for periodic testing of octave-band and fractional-octave-band filters that were designed to conform to the class 1 or class 2 specifications given in IEC 61260-1:2014. The aim of this standard is to ensure that periodic testing is performed in a consistent manner by all laboratories. This first edition of IEC 61260-3 (together with IEC 61260-1:2014 and IEC 61260-2:2016), cancels and replaces the first edition of IEC 61260 published in 1995 and its Amendment 1 published in 2001. This edition constitutes a technical revision.

Технические детали

Технический комитет: TC 29 - Electroacoustics
SKU: IEC 61260-3:2016

Abstract

Overview

IEC 61260-3:2016 is an international standard published by the International Electrotechnical Commission (IEC) that focuses on the periodic testing of octave-band and fractional-octave-band filters used in electroacoustics. It defines rigorous procedures to verify that these filters continue to meet class 1 or class 2 performance specifications originally described in IEC 61260-1:2014. This periodic verification ensures consistent filter accuracy, reliability, and conformity over time across different testing laboratories worldwide.

As part of the IEC 61260 series-which also includes specifications (Part 1) and pattern evaluation tests (Part 2)-this third part emphasizes standardized periodic tests to maintain high quality in octave-band filter applications. It supersedes the earlier 1995 edition and its 2001 amendment through technical revisions refining test methods, environmental conditions, measurement uncertainties, and acceptance limits.

Key Topics

Scope and Purpose: IEC 61260-3:2016 sets out methods for periodic conformity tests on class 1 and 2 octave-band filters to ensure ongoing compliance with original design specs.
Test Procedures: Includes guidelines on preliminary inspections, power supply conditions, environmental requirements, and mandatory test instruments.
Relative Attenuation Testing: Defines how to measure relative attenuation at midband frequencies and determine the effective bandwidth deviation for each filter.
Linear Operating Range: Procedures to verify filter behavior under different signal levels, measuring linearity and overload indicators.
Uncertainty and Acceptance Criteria: Introduces acceptance limits and maximum permitted measurement uncertainties to guarantee reliable and reproducible results.
Documentation: Specifies necessary reporting protocols for test outcomes and conformity evidence.
Environmental Conditions: Tests must be performed under controlled temperature (23°C) and humidity (50% RH) to minimize variation.
Standardized Test Signals: Use of sinusoidal sweeps and exponential sweeps for characterization and uncertainty analysis.

By harmonizing these test requirements, ensures that laboratory assessments of octave-band filters remain , minimizing the risk of inaccurate acoustic measurements due to filter degradation or malfunction.

Abstract

Overview

Key Topics

Scope and Purpose: IEC 61260-3:2016 sets out methods for periodic conformity tests on class 1 and 2 octave-band filters to ensure ongoing compliance with original design specs.
Test Procedures: Includes guidelines on preliminary inspections, power supply conditions, environmental requirements, and mandatory test instruments.
Relative Attenuation Testing: Defines how to measure relative attenuation at midband frequencies and determine the effective bandwidth deviation for each filter.
Linear Operating Range: Procedures to verify filter behavior under different signal levels, measuring linearity and overload indicators.
Uncertainty and Acceptance Criteria: Introduces acceptance limits and maximum permitted measurement uncertainties to guarantee reliable and reproducible results.
Documentation: Specifies necessary reporting protocols for test outcomes and conformity evidence.
Environmental Conditions: Tests must be performed under controlled temperature (23°C) and humidity (50% RH) to minimize variation.
Standardized Test Signals: Use of sinusoidal sweeps and exponential sweeps for characterization and uncertainty analysis.

IEC 61260-3:2016 PDF

Технические детали

Abstract

Overview

Key Topics

Abstract

Overview

Key Topics

Applications

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