code of china Chinese Classification Professional Classification ICS Classification Latest News

LoginRegister
Position: Standard Search VALID TO BE VALID SUPERSEDED TO BE SUPERSEDED ABOLISHED TO BE ABOLISHED
Standard No. Title Price(USD) Delivery Status Add To Cart
GB/T 14366-1993 Acoustics-Determination of occupational noise exposure and estimation of noise-induced hearing impairment via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JJG 639-1998 Verification Regulation of Ultrasonic Source for Medical Ultrasonic Diagnostic Equipment 285 (USD) via email in 1-3 business day VALID
GB/T 25078.1-2010 Acoustics—Recommended practice for the design of low-noise machinery and equipment—Part 1:Planning 480 (USD) via email in 1-5 business day VALID
JJG 778-2005 Noise Level Statistical Analyzers 420 (USD) via email in 1-3 business day ABOLISHED
JJG 277-1998 Verification Regulation of Reference Sound Source 210 (USD) via email in 1-3 business day ABOLISHED
JJG 798-1992 Standard Artificial Mastoids 120 (USD) via email in 1-3 business day ABOLISHED
GB/T 36075.2-2018 Acoustics—Measurement of room acoustic parameters—Part 2: Reverberation time in ordinary rooms 250 (USD) via email in 1 business day VALID
GB/T 17252-1998 Acoustics-Characteristics and measurements of ultrasonic piezoelectric transducers up to 100 kHz via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
JJG 176-1995 Verification Regulation of Sound Calibrators 255 (USD) via email in 1-3 business day ABOLISHED
JJG 176-2005 Verification Regulation of Sound Calibrators 330 (USD) via email in 1-3 business day VALID
JJG 992-2004 Verification Regulation of the Measurement Instruments of Sound Intensity 390 (USD) via email in 1-3 business day VALID
GB/T 21230-2007 Acoustics - Guidelines for the measurement and assessment of exposure to noise in a working environment 360 (USD) via email in 1-3 business day ABOLISHED
JJG 340-1999 Verification Regulation of Measuring Hydrophone in the Frequency Range 1Hz to 1000Hz 210 (USD) via email in 1-3 business day ABOLISHED
JJG 921-1996 Verification Regulation of Noise --Vibration meter For measuring Envrionmental pollution 345 (USD) via email in 1-3 business day VALID
GB/T 19889.4-2005 Acoustics. Measurements of sound insulation in buildings and of building elements. Part 4: Field measurements of airborne sound insulation between rooms 514 (USD) via email in 1 business day VALID
GB/T 16406-1996 Acoustics-Flexural resonance testing method for damping properties of acoustical materials via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 4128-1995 Acoustics-STANDARD hydrophone via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
JJG (机械) 97-1992 105 (USD) via email in 1-3 business day VALID
GB/T 14367-2006 Acoustics―Determination of sound power levels of noise sources―Guidelines for the use of basic standards via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 17248.3-2018 Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections 600 (USD) via email in 1-5 business day VALID
About Us | Contact Us | Terms of Service | Privacy | Cancellation & Refund Policy | Payment
Tel:+86-10-8572 5655 Fax:+86-10-8581 9515 Email: coc@codeofchina.com QQ: 672269886
Copyright:TransForyou Co., Ltd. 2008-2020