| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| 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 16538-1996 |
Acoustics-Determination of sound power levels of noise sources using sound pressure-Survey method using a reference sound source |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB/T 31013-2014 |
Acoustics—Acoustic insulation for pipes,valves and flanges |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| JJG 868-1994 |
Verification Regulation of Standard ultrasonic sources for Milliwattlevel |
 (USD) |
via email in
1 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
|
| JJG 869-2002 |
Verification Regulation of Electro-acoustical Measurement Instruments for Telephone Set |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| JJG 746-1991 |
for Ultrasonic Inspection Instruments |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| JJG (铁道) 130-1992 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| JJG (轻工) 100-1993 |
|
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| JJG (电子) 15004-1988 |
XFC-2 Type Standard Signal Generator (Trial Implementation) |
 (USD) |
via email in
1 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
|
|
| GB/T 21232-2007 |
Acoustics - Guidelines for noise control in offices and workrooms by means of acoustical screens |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| JJG 482-1987 |
Standard Condenser Microphones (Free-Field Reciprocity Method) |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| JJF 1142-2006 |
Calibration Specification for Building Acoustic |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 19889.7-2005 |
Acoustics—Measurement of sound insulation in buildings and of building elements—Part 7:Field measurements of impact sound insulation of floors |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| JJF 1228-2009 |
Calibration Specification for Sound Power Meters |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| JJF 1137-2005 |
Calibration Specification for Microphone Preamplifiers |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| JJG (轻工) 101-1993 |
|
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
|
|
