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Standard No. Title Price(USD) Delivery Status Add To Cart
JJG 2038-2004 Verification Scheme of Measuring Instruments for Audiometry (USD) via email in 1-3 business day VALID
GB/T 19889.3-2005 Accoustics—Measurement of sound insulation in buildings and of building elements—Part 3:Laboratory measurements of airborne sound insulation of building elements—Part 3:Laboratory measurements of airborne sound insulation of building elements via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 14369-2011 Acoustics—Measurement methods of insertion loss,echo reduction and sound absorption coefficient for underwater acoustical material samples (USD) via email in 1-3 business day VALID
GB/T 17249.3-2012 Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 3: Sound propagation and noise prediction in workrooms (USD) via email in 1-5 business day VALID
JJF 1272-1990 O.T.N. of Free-field Sound Pressure Primary Standard in Air (USD) via email in 1 business day VALID
JJF 1273-1990 ~ (USD) via email in 1 business day VALID
GB/T 25077-2010 Acoustics—Materials for acoustical applications—Determination of airflow resistance (USD) via email in 1-3 business day VALID
JJG (电子) 15024-1995 Verification Regulation of HP8971C Type Noise Figure Test Device (Trial Implementation) (USD) via email in 1 business day VALID
GB/T 31004.1-2014 Acoustics—Measurement of sound insulation in buildings and of building elements using sound intensity—Part 1:Laboratory measurements (USD) via email in 1-3 business day VALID
GB 7341-1987 (USD) via email in 1-3 business day ABOLISHED
JJF 1279-1990 O.T.N. of the Secondary Standard for the Ultrasonic Power of Milliwatt Level (USD) via email in 1 business day VALID
GB/T 3222.2-2009 Acoustics—Description measurement and assessment of environmental noise—Part 2:Determination of environmental noise levels (USD) via email in 1-5 business day VALID
GB/T 36075.1-2018 Acoustics—Measurement of room acoustic parameters—Part 1: Performance spaces (USD) via email in 1 business day VALID
JJG 2017-1987 Measuring Instruments for underwater Sound Pressure (USD) via email in 1-3 business day ABOLISHED
GB/T 5265-2009 Acoustics—Measurement of underwater noise (USD) via email in 1-3 business day VALID
GB/T 3768-2017 Acoustics—Determination of sound power levels and sound energy levels ofnoise sources using sound pressure—Survey method using an envelopingmeasurement surface over a reflecting plane (USD) via email in 1-5 business day VALID
JJF 1146-2006 Calibration Specification for Acoustic Characteristcs of Anechoic Water Tanker (USD) via email in 1-3 business day VALID
GB/T 3449-2011 Acoustics—Measurement of noise inside railbound vehicles (USD) via email in 1-3 business day VALID
GB/T 15173-1994 Sound calibrators via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB 7966-1987 Acoustics; Ultrasonic power measurement in the frequency range 0.5~10MHz (USD) via email in 1-3 business day ABOLISHED
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