JJG 449-2001 Replaced National Metrology and Inspection Regulations JJG

JJG 449-2001 Octave-Band and One-Third-Octave Band Filters

Publish Date: 2001-07-06 Implement Date: 2001-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JJG 449-2001

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 2001-07-06

Implement Date: 2001-10-01

Pages: 44 pages

Scope

This procedure is applicable to the type-approval, prototype testing, initial verification, subsequent verification, and in-service inspection of 0-grade, 1-grade, and 2-grade octave and 1/3-octave filters.

Development Information

Word Count: 59 Thousand words Pages: 44 pages

Replace the following standards

JJG 449-1986

Superseded by the following standards

JJG 449-2014 Octave-Band and Fractional-Octave-Band Filters

Referenced Standards

GB/T 3241-1998 Octave-band and fractional-octave-band filters IEC 61260:1995 OIML 国际建议《倍频程和1/3倍频程滤波器》(草案) OIML 1999年英文版 GB/T 3102.7-1993 Quantities and units—Acoustics JJF 1034-1992 JJF 1059-1999