| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GA/T 1727-2020 |
Calibration specifications for speedmeter of photoelectric screen target |
$315.00 |
via email in 1~5 business day |
valid,,2020-8-1 |
|
| GB 11669-1989 |
Acoustics - Reference zero for the calibration of pure tone conduction audiometer |
$105.00 |
via email in 1~3 business day |
superseded,1998-10-1,1990-4-1 |
|
| GB 1251.1-1989 |
Danger signals for work places－Auditory danger signals |
$160.00 |
via email in 1~3 business day |
abolished2009-01-01,2009-1-1,1989-10-1 |
|
| GB 3239-1982 |
Expression of physical and subjective magnitudes of sound and noise in air |
$30.00 |
via email in 1~3 business day |
valid,,1983-7-1 |
|
| GB 3240-1982 |
Preferred frequencies for the acoustical measurement |
$30.00 |
via email in 1~3 business day |
valid,,1983-7-1 |
|
| GB 3241-1982 |
Octave and third-octave band filters used for the analysis of sound and vibration |
$260.00 |
via email in 1~3 business day |
superseded,1998-1-2,1983-7-1 |
|
| GB 3767-1983 |
Determination of sound power levels of noise sources--Engineering method and quasi-engineering method |
$210.00 |
via email in 1~3 business day |
superseded,1996-12-1,1984-5-1 |
|
| GB 3768-1983 |
Determination of sound power levels of noise sources--Survey method |
$130.00 |
via email in 1~3 business day |
superseded,1996-12-1,1984-5-1 |
|
| GB 3947-1983 |
Acoustical terminology |
$1650.00 |
via email in 1~10 business day |
superseded,1997-3-1,1984-10-1 |
|
| GB 4129-1984 |
Reference sound source |
$180.00 |
via email in 1~3 business day |
superseded,1996-2-1,1984-10-1 |
|
| GB 4963-1985 |
Normal equal-loudness contours for pure tones under free field listening conditions |
$90.00 |
via email in 1~3 business day |
abolished2008-05-01,2008-5-1,1985-10-1 |
|
| GB 5266-1985 |
Measurement of the longitudinal wave velocity and attenuation for underwater acoustical materials; Pulse-tube method |
$120.00 |
via email in 1~3 business day |
abolished2006-11-01,2006-11-1,1986-4-1 |
|
| GB 6075-1985 |
The basis for laying down standards of vibration of machines |
$135.00 |
via email in 1~3 business day |
valid,,1986-4-1 |
|
| GB/T 11670-1989 |
Acoustics--Characteristics and specifications for laboratory standard condenser microphones |
$410.00 |
via email in 1~3 business day |
abolished2011-05-01 ,2011-5-1,1990-4-1 |
|
| GB/T 12800-1991 |
Acoustics-Audible emergency evacuation signal |
$124.00 |
via email in 1~3 business day |
valid,,1992-1-1 |
|
| GB/T 13592-1992 |
Terms relating to surface analysis |
$280.00 |
via email in 1~3 business day |
abolished2005-10-14,,1993-3-1 |
|
| GB/T 13823.7-1994 |
Methods for the calibration of vibration and shock pick-ups Primary vibration calibration by comparison of phase angles |
$180.00 |
via email in 1~3 business day |
abolished2005-10-14 ,,1995-5-1 |
|
| GB/T 14465-1993 |
Nomenclature for specifying damping properties of materials |
$150.00 |
via email in 1~3 business day |
valid,,1994-3-1 |
|
| GB/T 14573.1-1993 |
Statistical methods for determining and verifying stated noise emission values of machinery and equipment. Part 1: General considerations and definitions |
$115.00 |
via email in 1~3 business day |
valid,,1994-3-1 |
|
| GB/T 14573.2-1993 |
Statistical methods for determining and verifying stated noise emission values of machinery and equipment. Part 2: Methods for stated values for individual machines |
$70.00 |
via email in 1~3 business day |
valid,,1994-3-1 |
|
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