| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| GB/T 17248.6-2007 |
Acoustics - Noise emitted by machinery and equipment - Engineering method for the determination of emission sound pressure levels in situ at the work station and at other specified positions using sound intensity |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 16165-1996 |
Measurement method of hydrophone phase consistency |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 4854.3-1998 |
Acoustics-Reference zero for the calibration of audiometric equipment-Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| JJF 1136-2005 |
Calibration Specification of Tonometers |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 16296.1-2018 |
Acoustics—Audiometric test methods—Part 1:Pure-tone air and bone conduction audiometry |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 25078.2-2010 |
Acoustics—Recommendedpracticeforthedesignoflow-noisemachineryand |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| JJF 1143-2006 |
Calibration Specification for Acoustic Performance of Reverberation Rooms |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| JJG (交通) 027-2004 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 31004.2-2014 |
Acoustics—Measurement of sound insulation in buildings and of building elements using sound intensity—Part 1:Laboratory measurements |
 (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 |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| JJG 778-2005 |
Noise Level Statistical Analyzers |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| 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 176-2005 |
Verification Regulation of Sound Calibrators |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| JJG 992-2004 |
Verification Regulation of the Measurement Instruments of Sound Intensity |
 (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 |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB 11453-1989 |
Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| 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 |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 12060.16-2017 |
Sound system equipment—Part 16:Objective rating of speech intelligibility by speech transmission index |
 (USD) |
via email in
1-8 business day
|
VALID
|
|
| GB/T 32524.1-2016 |
|
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
|
|
