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Position: Standard Search VALID TO BE VALID SUPERSEDED TO BE SUPERSEDED ABOLISHED TO BE ABOLISHED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 3222-1994 Acoustics—Measurement method of environmental noise via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
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 (USD) via email in 1-3 business day VALID
JJF 1167-2007 Calibration Specification for Psophometers (USD) via email in 1-3 business day VALID
GB/T 11452-1989 Guide to hearing aid STANDARDs via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JJF 1165-2007 Calibration Specification for SINAD Meters (USD) via email in 1-3 business day VALID
GB/T 11670-1989 Acoustics-Characteristics and specifications for laboratory standard condenser microphones (USD) via email in 1-3 business day ABOLISHED
JJF 1147-2006 Calibration Specfication for Acoustic Performance of Anechoic Rooms and Hemi-anechoic Rooms (USD) via email in 1-3 business day VALID
JJG (民航) 0080-2005 Verification Regulation of Model 01-0328-00 IDENT TONE GENERATOR (USD) via email in 1-3 business day VALID
JJG 665-2004 Verification Regulation of Ultrasonic Power Meter for Milliwatt Level (USD) via email in 1-3 business day VALID
GB/T 20246-2006 Acoustics—Determination of sound power levels of multisource industrial plants for evaluation of sound pressure levels in the environment—Engineering method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 5111-2011 Acoustics—Measurement of noise emitted by railbound vehicle (USD) via email in 1-5 business day VALID
GB/T 22159.5-2017 Acoustics and vibration—Laboratory measurement of vibro-acoustic transfer properties of resilient elements—Part 5:Driving point method for determination of the low-frequency transfer stiffness of resilient supports for translatory motion (USD) via email in 1-3 business day VALID
GB/T 17248.4-1998 Acoustics--Noise emitted by machinery and equipment--Determination of emission sound pressure level at a workstation and at other specified position from the sound power level via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
JT/T 659-2006 Ultrasonic test instrument of concrete (USD) via email in 1-3 business day VALID
GB/T 4854.7-2008 Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (USD) via email in 1-3 business day VALID
JJG 790-2005 Verification Regulation of Laboratory Standard Microphones (Coupler Reciprocity Method) (USD) via email in 1-3 business day VALID
JJG 2037-2004 Verification Scheme of Measuring Instruments for Air Borne Acoustics Pressure (USD) via email in 1-3 business day ABOLISHED
GB/T 16955-1997 Acoustics--Tractors and machinery for agriculture and forestry--Measurement of noise at the operators position-Survey method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB 11455-1989 Hearing aid equipment not entirely worn on the listener (USD) via email in 1-3 business day
JJF 1191-2008 Calibration Specification for Acoustic Performance of Audiometry Rooms (USD) via email in 1-3 business day ABOLISHED
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