| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| JJF 1137-2005 |
Calibration Specification for Microphone Preamplifiers |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 4854.8-2007 |
Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tone and circumaural earphones |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| JJF 1034-2005 |
Metrological Terms and Their Definitions for Acoustics |
 (USD) |
via email in
1-8 business day
|
VALID
|
|
| GB/T 22159.1-2012 |
Acoustics and vibration—Laboratory measurement of vibro-acoustic transfer properties of resilient elements—Part 1:Principles and guidelines |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 7966-2009 |
Acoustics—Ultrasonics power measurement—Radiation force balances and performance requirements |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| JJG 448-2005 |
Verification Regulation of Ultrasonic Power Meters for Watt Level |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| JJG 1017-2007 |
Verification Regulation of Standard Hydrophones in the Frequency Range 1 kHz~1 MHz |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 4854.9-2016 |
Acoustics—Reference zero for the calibration of audiometric equipment—Part 9:Preferred test conditions for the determination of reference hearing threshold levels |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 22075-2008 |
HVDC converter station audible noise |
 (USD) |
via email in
1-8 business day
|
VALID
|
|
| GB/T 16538-2008 |
Acoustics - Determination of sound power levels of noise sources using sound pressure - Comparison method in situ |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB 3785-1983 |
Electric,sonic properties and measuring methods for sound level meters |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 14366-2017 |
Acoustics—Estimation of noise-induced hearing loss |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 6882-2008 |
Acoustics - Determination of sound power levels of noise sources using pressure - Precision methods for anechoic and hemi-anechoic rooms |
 (USD) |
via email in
1-5 business day
|
ABOLISHED
|
|
| GB/T 17697-2014 |
Acoustics—Determination of sound power radiated into a duct by fans and other air-moving devices—In-duct method |
 (USD) |
via email in
1-8 business day
|
VALID
|
|
| GB/T 14365-2017 |
Acoustics—Measurements of sound pressure level emitted by stationary road vehicles |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| JJF 1145-2006 |
Calibration Specification for Electret Microphone Instrument |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 20248-2006 |
Acoustics - Measurement of sound pressure levels in the interior of aircraft during flight |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 16404.3-2006 |
Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 3: Precision method for measurement by scanning |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 17247.2-1998 |
Acoustics—Attenuation of sound during propagation outdoors--Part 2:General method of calculation |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| JJG 665-1990 |
Ultrasonic Power Meter for Milliwatt level |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
|
|
