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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 "impedance" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • GB/T 17737.115-2018
  • Coaxial communication cables—Part 1-115: Electrical test methods—Test for regularity of impedance (pulse/step function return loss) impedance
    China National Standards
  • GB/T 17737.112-2018
  • Coaxial communication cables—Part 1-112: Electrical test methods—Test for return loss (uniformity of impedance) impedance
    China National Standards
  • GB/T 17737.108-2018
  • Coaxial communication cables—Part 1-108: Electrical test methods—Test for characteristic impedance, phase and group delay, electrical length and propagation velocity impedance
    China National Standards
  • GB/T 11313.15-2018
  • Radio frequency connectors—Part 15: R.F.coaxial connectors with inner diameter of outer conductor 4.13mm(0.163in), characteristic impedance 50 ohms, screw coupling (Type SMA) impedance
    China National Standards
  • GB/T 34205-2017
  • Metallic materials—Hardness testing—Ultrasonic contact impedance method impedance
    China National Standards
  • GB/T 7676.6-2017
  • Direct acting indicating analogue electrical measuring instruments and their accessories—Part 6:Special requirements for ohmmeters(impedance meters ) and conductance meters impedance
    China National Standards
  • GB/T 11313.29-2015
  • Radio frequency connectors—Part 29: Sectional specification for miniature radio frequency coaxial connector(type 1.0/2.3)with screw, snap-on, push-pull or quick-lock,slide-in (rack and panel applications)mechanism with characteristic impedance 50Ω impedance
    China National Standards
  • GB/T 11313.8-2015
  • Radio-frequency connectors—Part 8: Sectional specification for RF coaxial connectors with inner diameter of outer conductor 6.5 mm (0.256 in) with bayonet lock—Characteristic impedance 50Ω(75Ω)(type BNC) impedance
    China National Standards
  • GB/T 11313.16-2015
  • Radio-frequency connectors—Part 16:Sectional specification for RF coaxial connectors with inner diameter of outer conductor 7 mm (0.276 in) with screw coupling—Characteristics impedance 50 Ω (75 Ω) (type N) impedance
    China National Standards
  • GB/T 31723.406-2015
  • Metallic communication cable test methods—Part 4-6: Electromagnetic compatibility (EMC)—Surface transfer impedance—Line injection method impedance
    China National Standards
  • SN/T 2558.9-2015
  • (Import and export functional textiles test methods - Part 9: antibacterial properties impedance method) impedance
    China Import Export Inspection Standards
  • GB/T 30820-2014
  • Nondestructive testing—Practice for determining the impedance of absolute eddy-current probes impedance
    China National Standards
  • JJF 1446-2014
  • Calibration Specification for impedance Tubes(Transfer Function Method) impedance
    China Metrological Standards
  • GB/T 18216.3-2012
  • Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance impedance
    China National Standards
  • GB/Z 27764-2011
  • Acoustics - Determination of sound transmission loss in impedance tubes - Transfer matrix method impedance
    China National Standards
  • GB/T 27603-2011
  • Measurement of radiofrequency impedance for industrial electric detonator impedance
    China National Standards
  • TB/T 3205.2-2008
  • Track lead, midpoint connectors for impedance bond. Part 2: midpoint connecting line impedance
    China Railway & Train Standards
  • TB/T 3205.1-2008
  • Track lead, midpoint connectors for impedance bond. Part 1: Track lead impedance
    China Railway & Train Standards
  • TB/T 3205.3-2008
  • Track lead, midpoint connectors for impedance bond. Part 3: midpoint connector impedance
    China Railway & Train Standards
  • YY/T 1143-2008
  • Bridge type impedance blood flow recorder impedance
    China Medicine & Medical Device Standards
  • YY/T 1078-2008
  • Direct impedance blood flow recorder impedance
    China Medicine & Medical Device Standards
  • GB/T 11313.4-2007
  • Radio-frequency connecters. - Part 4: R.F.coaxial connectors with inner diameter of outer conductor 16mm(0.63in) with screw lock - Characteristic impedance 50 ohms (Type 7-16) impedance
    China National Standards
  • GB/T 11313.36-2006
  • Radio-frequency connectors - Part 36: Microminiature r.f. coaxial connectors with snap-on coupling - Characteristic impedance 50 Ohms (Type MCX) impedance
    China National Standards
  • SN/T 1749-2006
  • Rapid detection of aerobic bacterial count in raw mil. impedance method impedance
    China Import Export Inspection Standards
  • JJG(SJ)306001-2006
  • Specification for verification of standardizer of radio frequency coaxial impedance impedance
    China Metrological Standards
  • JJG 306001-2006
  • Specification for verification of standardizer of radio frequency coaxial impedance impedance
    China Metrological Standards
  • GB/T 19740-2005
  • Mechanical vibration and shock-Free,Mechanical impedance of the human hand-arm system at the driving point impedance
    China National Standards
  • JJF 1127-2004
  • Calibration Specification for RF impedance/Meterial Analyzers impedance
    China Metrological Standards
  • JJG 991-2004
  • Verification Regulation of Aural impedance Audiometers impedance
    China Metrological Standards
  • GB/T 18696.1-2004
  • Acoustics--Determination of sound absorption coefficient and impedance in impedance tubes--Part 1:Method using standing wave ratio impedance
    China National Standards
  • GB/T 18696.2-2002
  • Acoustics--Determination of sound absorption coefficient and impedance in impedance tubes--Part 2:Transfer function method impedance
    China National Standards
  • SJ 20788-2000
  • Measurment method for thermal impedance of semiconductor diodes impedance
    China Electronics Standards
  • GB/T 17949.1-2000
  • Guide for measuring earth resistivity,ground impedance and earth surface potentials of a ground system--Part 1:Normal measurements impedance
    China National Standards
  • YY 91143-1999
  • (Electrical impedance of blood flow meter bridge) impedance
    China Medicine & Medical Device Standards
  • GB/T 7676.6-1998
  • Direct acting indicating analogue electrical measuring instruments and their accessories--Part 6:Special requirements for ohmmeters(impedance meters) and conductance meters impedance
    China National Standards
  • TB/T 2828-1997
  • (Electrified railway traction network impedance calculation method) impedance
    China Railway & Train Standards
  • GB/T 16440-1996
  • Vibration and shock--Mechanical driving point impedance of the human body impedance
    China National Standards
  • GB/T 15953-1995
  • Instruments for the measurement of aural acoustic impedance/admittance impedance
    China National Standards
  • SJ/Z 9183-1995
  • Specifications for determination of low-impedance longevity aluminum electrolytic capacitors used for VCR impedance
    China Electronics Standards
  • SJ/T 9562.7-1993
  • 300Ω/75Ω balanced-unbalanced impedance converter for use in FM broadcast TV reciever--Quality grading standard impedance
    China Electronics Standards
  • SY/T 5585.1-1993
  • (Seismic data transmission cable electrical parameters of the test method. Characteristic impedance and the propagation time of the test) impedance
    China Oil & Gas Industry Standards
  • JJG(QB)76-1991
  • (SCI. 327 quartz crystal impedance meter SPM. 327PPM counter test procedures) impedance
    China Metrological Standards
  • JJF 1305-1990
  • (3cm impedance reference operating technical specifications) impedance
    China Metrological Standards
  • JJG 2011-1987
  • Verification scheme of RF impedance measuring instruments impedance
    China Metrological Standards
  • JJG 2012-1987
  • Verification scheme of 3cm impedance measuring instruments impedance
    China Metrological Standards
  • SJ/Z 9031-1987
  • Considerations on determination of reference impedance of interference characteristics of household appliances and similar electrical equipment impedance
    China Electronics Standards
  • SJ/Z 9010.9-1987
  • Measurements of electrical properties of electronic tubes and valves--Part 9: Methods of measuring the cathode-interface impedance impedance
    China Electronics Standards
  • JJG(SJ)05007-1987
  • (HP4192A Low Frequency impedance Analyzer pilot test procedures) impedance
    China Metrological Standards
  • JJG(QJ)42-1987
  • (impedance meter verification procedures) impedance
    China Metrological Standards
  • YY 91078-1999
  • Direct impedance blood flow recorder impedance
    China Medicine & Medical Device Standards
  • JJG 127-1986
  • Verification Regulation of Model HP 4191 A RF impedance Analyzer impedance
    China Metrological Standards
  • GB/T 5441.4-1985
  • Test methods for communication cable--impedance and impedance irregularities test of coaxial pair--Pulse method impedance
    China National Standards
  • GB/T 5441.5-1985
  • Test methods for communication cable--Characteristic impedance test of coaxial pair--Resonance method impedance
    China National Standards
  • SJ 2534.14-1985
  • Test procedures for antennas--Measurement of impedances impedance
    China Electronics Standards
  • SJ 2148-1982
  • Methods of measurement for dynamic impedance of silicon current regulator transistors impedance
    China Electronics Standards
  • SJ 2139-1982
  • Methods of measurement for dynamic impedance of silicon current regulator diodes impedance
    China Electronics Standards

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