| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| GB/T 21231.1-2018 |
Acoustics—Measurement of airborne noise emitted andstructure-borne vibration induced by small air-moving devices—Part 1:Airborne noise measurement |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 34834-2017 |
|
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 17248.5-2018 |
Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions applying accurate environmental corrections |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 4854.6-2014 |
Acoustics—Reference zero for the calibration of audiometric equipment—Part 6:Reference hearing threshold levels for test signals of short duration |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 17248.2-2018 |
Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| JJG 1019-2007 |
Verification Regulation of Working Standard Microphones (Coupler Comparison Method) |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 14368-1993 |
Acoustics－STANDARD ultrasonic power source |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 32524.2-2016 |
|
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 15508-1995 |
Acoustics－Speech articulation testing method |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 22159.2-2012 |
Acoustics and vibration—Laboratory measurement of vibro-acoustic transfer properties of resilient elements—Part 2:Direct method for determination of the dynamic stiffness of resilient supports for translatory motion |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 16296.3-2017 |
Acoustics—Audiometric test methods—Part 3:Speech audiometry |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 21230-2014 |
Acoustics—Determination of occupational noise exposure—Engineering method |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 31013-2014 |
Acoustics—Acoustic insulation for pipes,valves and flanges |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 4129-2003 |
Acoustics--Requirements for the performance and calibration o reference sound sources used for determination of sound power levels |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 6881.2-2017 |
|
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 37274-2018 |
|
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| JJF 1223-2009 |
Calibration Specification for Standing Wave Tubes(Method Using Standing Wave Ratio) |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 3767-2016 |
Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for an essentially free field over a reflecting plane |
 (USD) |
via email in
1-8 business day
|
VALID
|
|
| JJF 1142-2006 |
Calibration Specification for Building Acoustic |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| JJF 1228-2009 |
Calibration Specification for Sound Power Meters |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
|
|
