China National Standards

China reciprocity GB Standards Search System


GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "reciprocity" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • JJG 1070-2011
  • Verification Regulation of Standard Hydrophones in the Frequency Range 0.5 MHz to 5 MHz (Two-transducer reciprocity Method) reciprocity
    China Metrological Standards
  • GB/T 20441.3-2010
  • Electroacoustics - Measurement microphone - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique reciprocity
    China National Standards
  • JJG 1056-2010
  • Verification regulation of standard hyhones in the frequency range 20 Hz to 3.15 kHz under high hydrostatic pressure (Acoustic coupler reciprocity method) reciprocity
    China Metrological Standards
  • GB/T 16671-2009
  • Geometrical product specifications(GPS) - Geometrical tolerancing - Maximum material requirement(MMR),least material requirement(LMR) and reciprocity requirement(RPR) reciprocity
    China National Standards
  • GB/T 20485.12-2008
  • Methods for the calibration of vibration and shock transducers - Part 12: Primary vibration calibration by the reciprocity method reciprocity
    China National Standards
  • JJG 790-2005
  • Verification regulation of laboratory standard microphones (coupler reciprocity method) reciprocity
    China Metrological Standards
  • JJG 482-2005
  • Verification regulation of laboratory standard microphones (free-field reciprocity method) reciprocity
    China Metrological Standards
  • JJG(CB)5-1991
  • (Standard hydrophone spherical wave free field testing method reciprocity Act) reciprocity
    China Metrological Standards
  • JJG(CB)6-1991
  • (Standard hydrophone coupled cavity reciprocity law test methods) reciprocity
    China Metrological Standards
  • JJF 1270-1990
  • (reciprocity Act coupled cavity acoustic pressure secondary standard operating technical specifications) reciprocity
    China Metrological Standards
  • JJF 1269-1990
  • (Coupled cavity reciprocity law reference sound pressure operating technical specifications) reciprocity
    China Metrological Standards
  • JJG(SJ)12028-1989
  • (4143-type reciprocity calibrator test procedures) reciprocity
    China Metrological Standards
  • SJ/Z 9147-1987
  • Precision method for pressure calibration of φ23.77mm standard condenser microphones by the reciprocity technique reciprocity
    China Electronics Standards
  • JJG 482-1987
  • Verification Regulation of Standard Condenser Microphones (Free-Field reciprocity Method) reciprocity
    China Metrological Standards

    Find out:14Items   |  To Page of: First -Previous-Next -Last  | 1

     

    +86-400-6578191        info@transcustoms.com 
    106# Zhongmao Mansion,No.1 Beizhan Road,Shenzhen,China
    ©  RJS Copyright  2001-2018 All Rights Reserved

    - Since 2001 -
    Focus on China Standards & Compliance Services

    www.rjs.cn

    China Licenses

    www.transcustoms.com

    China HS code & Tariff

    www.gbstandards.org

    China National Standards