GB/T 3785.2-2010 Replaced National standards

GB/T 3785.2-2010 Electroacoustics—Sound level meters—Part 2:Pattern evaluation tests

GB/T 3785.2-2010 Electroacoustics—Sound level meters—Part 2:Pattern evaluation tests

Publish Date: 2010-09-02 Implement Date: 2011-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 3785.2-2010

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Acoustic metrology

ICS Name: Electroacoustics

Publish Date: 2010-09-02

Implement Date: 2011-04-01

Pages: 25 pages

Scope

This part specifies the details of the tests required to verify that conventional sound level meters, integrated average sound level meters, and integrated sound level meters comply with all the mandatory specifications given in GB/T 3785.1—2010.
This part applies to each channel of multi-channel sound level meters. The tests and test methods are applicable to Class 1 and Class 2 sound level meters. The aim is to ensure that all testing laboratories can conduct type evaluation tests using consistent methods.

Development Information

Word Count: 43 Thousand words Pages: 25 pages

Same series standard

GB/T 3785.1-2010 Electroacoustics—Sound level meters—Part 1:Specifications

Replace the following standards

GB/T 3785-1983 Electric, sonic properties and measuring methods for sound level meters GB/T 17181-1997 Integrating-averaging sound level meters

Superseded by the following standards

GB/T 3785.2-2023 Electroacoustics—Sound level meters—Part 2:Pattern evaluation tests

Referenced Standards

GB/T 9254-2008 Information technology equipment—Radio disturbance characteristics—Limits and methods of measurement GB/T 17799.2-2003 Electromagnetic compatibility—Generic standards—Immunity for industrial environments GB/T 3785.1-2010 Electroacoustics—Sound level meters—Part 1:Specifications IEC 60942 IEC 61000-4-2:2001 IEC 61000-4-3:2002 IEC 61000-4-6:2001 IEC 61094-1:2000 ISO表述指南测量不确定度表述指南 ISO/IEC 国际基本和通用计量学术语 CISPR 16-1:1999 GB/T 17312-1998 Random-incidence and diffuse-field calibration of sound level meters

Adopt standards

IEC 61672-2:2003

Related Standards

GB/T 14199-1993 Replaced

GB/T 14199-1993 General specification for pocket hearing aids

Publish Date: 1993-03-20

GB/T 4128-1995 Active

GB/T 4128-1995 Acoustics—Standard hydrophone

Publish Date: 1995-07-03

GB/T 15953-1995 Replaced

GB/T 15953-1995 Instruments for the measurement of aural acoustic impedance/admittance

Publish Date: 1995-12-21

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

Publish Date: 1996-09-09

YY/T 0458-2003 Replaced

YY/T 0458-2003 Technical requirements for ultrasonically blood-mimicking Doppler phantom

Publish Date: 2003-06-20

GB/T 20441.4-2006 Active

GB/T 20441.4-2006 Measurement microphones—Part 4:Specifications for working standard microphones

Publish Date: 2006-08-23