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Standard No. Title Price(USD) Delivery Status Add To Cart
GB/T 12060.16-2017 Sound system equipment—Part 16:Objective rating of speech intelligibility by speech transmission index 900 (USD) via email in 1-8 business day VALID
JJG 2038-1989 Measuring Instruments for Audiometry 60 (USD) via email in 1-3 business day ABOLISHED
GB/T 20441.2-2018 Electroacoustics—Measurement microphones—Part 2:Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique 540 (USD) via email in 1-5 business day VALID
GB/T 4854.5-2008 Acoustics - Reference zero for the calibration of audiometric equipment- Part 5: Reference equivalent threshold sound pressure levels for pure tone in the frequency range 8 kHz to 16 kHz 180 (USD) via email in 1-3 business day VALID
JJF 1167-2007 Calibration Specification for Psophometers 315 (USD) via email in 1-3 business day VALID
GB/T 16407-1996 Acoustics—Characteristics and measurements of field of pressure pulse lithotripters via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 15485-1995 Acoustics-Methods for the calculation of the articulation index of speech via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JJG 699-1990 Integrating Soune level Meters 135 (USD) via email in 1-3 business day ABOLISHED
JJF 1165-2007 Calibration Specification for SINAD Meters 210 (USD) via email in 1-3 business day VALID
JJG 994-2004 Verification Regulation of Digital Audio Generators 255 (USD) via email in 1-3 business day VALID
GB/T 20441.1-2010 Electroacoustics - Measurement microphones - Part 1: Specifications for laboratory standard microphones 180 (USD) via email in 1-3 business day VALID
JJF 1147-2006 Calibration Specfication for Acoustic Performance of Anechoic Rooms and Hemi-anechoic Rooms 315 (USD) via email in 1-3 business day VALID
JJG (民航) 0080-2005 Verification Regulation of Model 01-0328-00 IDENT TONE GENERATOR 210 (USD) via email in 1-3 business day VALID
GB/T 18696.2-2002 Acoustics--Determinatio of sound absorption coefficient and impedance in impedance tubes--Part 2:Transfer function method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
JJG (船舶) 7-1991 via email in VALID please email coc@codeofchina.com for quotation
JJF 1034-1992 Metrological Terms For Acoustics 225 (USD) via email in 1-3 business day ABOLISHED
GB/T 7341.4-1998 Audiometers-Part 4 : Equipment for extended high-frequency audiometry via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 16402-1996 Acoustics-Reference equivalent threshold sound pressure levels for pure tones and insert earphones via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 4854.1-2004 Acoustics?Reference zero for the calibration of audiometric equipment?Part 1:Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
JJG 394-1997 Verification regulation of ultrasonic source for ultrasonic doppler fetal monitor 165 (USD) via email in 1-3 business day VALID
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