GB/T 14199-1993
Replaced
GB/T 3241.2-2025
Active
National standards
GB/T 3241.2-2025 Electroacoustics—Octave-band and fractional-octave-band filters—Part 2:Pattern evaluation tests
GB/T 3241.2-2025 Electroacoustics—Octave-band and fractional-octave-band filters—Part 2:Pattern evaluation tests
Basic Information
Standard Code:
GB/T 3241.2-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Acoustic metrology
ICS Name:
Electroacoustics
Publish Date:
2025-05-30
Implement Date:
2025-12-01
Pages:
24 pages
Scope
1.1 This document provides the details of the tests required to verify that frequency-division and fractional-frequency-division filters (hereinafter referred to as filters) comply with all the essential specifications set forth in GB/T 3241.1—2025.
1.2 These tests and test methods are applicable to Level 1 and Level 2 filters. Their purpose is to ensure that all testing laboratories use consistent methods to conduct type evaluation tests.
Development Information
Same series standard
Replace the following standards
Referenced Standards
GB/T 9254.1-2021 Information technology equipment,multimedia equipment and receivers—Electromagnetic compatibility—Part 1:Emission requirements
GB/T 17626.2-2018 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test
GB/T 17626.3-2023 Electromagnetic compatibility—Testing and measurement techniques—Part 3:Radiated,radio-frequency,electromagnetic field immunity test
GB/T 17626.6-2017 Electromagnetic compatibility—Testing and measurement techniques—Immunity to conducted disturbances,induced by radio-frequency fields
GB/T 17626.20-2014 Electromagnetic compatibility—Testing and measurement techniques—Emission and immunity testing in transverse electromagnetic(TEM) waveguide
GB/T 17799.2-2023 Electromagnetic compatibility—Generic standards—Part 2: Immunity standard for industrial environments
ISO/IEC Guide 98-3
ISO/IEC Guide 98-4
ISO/IEC Guide 99
IEC 61000-6-1
IEC 61000-6-3
IEC 61672-1
CISPR 16-1-1
CISPR 16-1-2
CISPR 16-2-1
CISPR 16-2-3
GB/T 3241.1-2025 Electroacoustics—Octave-band and fractional-octave-band filters—Part 1:Specifications
Adopt standards
IEC 61260-2:2016
Related Standards
GB/T 4128-1995
Active
GB/T 4128-1995 Acoustics—Standard hydrophone
GB/T 15953-1995
Replaced
GB/T 15953-1995 Instruments for the measurement of aural acoustic impedance/admittance
GB/T 16540-1996
Active
GB/T 16540-1996 Acoustics—Measurement and characterisation of ultrasonic fields in the frequency range 0.5MHz to 15MHz—Hydrophone method
YY/T 0458-2003
Replaced
YY/T 0458-2003 Technical requirements for ultrasonically blood-mimicking Doppler phantom
GB/T 20441.4-2006
Active