China Acoustics--Calibrati GB Standards Search Result |
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1. Ready translated GB standards  and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within
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2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days . |
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GB/T 4854.3-2022 Acoustics—Reference zero for the calibration of audiometric equipment—Part 3：Reference equivalent threshold vibratory force levels for pure tones and bone vibrators - 英文版 |
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GB/T 20441.2-2018 Electroacoustics—Measurement microphones—Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique - 英文版 |
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GB/T 4130-2017 Acoustics—Low frequency calibration methods of hydrophones - 英文版 |
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GB/T 20441.5-2017 Electroacoustics—Measurement microphones—Part 5: Methods for pressure calibration of working standard microphones by comparison - 英文版 |
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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 - 英文版 |
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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 - 英文版 |
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GB/T 25498.3-2010 Electroacoustics - Simulators of human head and ear - Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry - 英文版 |
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GB/T 25498.1-2010 Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the calibration of supra-aural earphones - 英文版 |
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GB/T 20441.3-2010 Electroacoustics - Measurement microphone - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique - 英文版 |
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GB/T 4854.7-2008 Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions - 英文版 |
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GB/T 4854.5-2008 Acoustics - Reference zero for the calibration of audiometric equipment- Part 5: Reference equivalent threshold sound pressure levels for pure tone in the frequency range 8 kHz to 16 kHz - 英文版 |
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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 - 英文版 |
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GB/T 4854.1-2004 Acoustics--Reference zero for the calibration of audiometric equipment--Part1:Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones - 英文版 |
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GB/T 4129-2003 Acoustics--Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels - 英文版 |
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GB/T 4130-2000 Acoustics--Low frequency calibration methods of hydrophones - 英文版 |
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GB/T 4854.4-1999 Acoustics--Reference zero for the calibration of audiometric equipment--Part 4:Reference levels for narrow-band masking noise - 英文版 |
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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 - 英文版 |
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GB/T 17251-1998 Acoustics--Calibration method of hydrophone acceleration sensitivity - 英文版 |
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GB/T 15611-1995 Acoustics--Calibration of high frequency hydrophone - 英文版 |
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GB/T 3223-1994 Acoustics--Free-field calibration method of under-water sound transducers - 英文版 |
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