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Chinese Standard Classification
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GB/T 4130.1-2025 Acoustics - Calibration of hydrophones - Part 1: Procedures for free-field calibration
Issued on: 2025-8-1 Price(USD): 1155.0 |
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GB/T 1859.4-2025 Reciprocating internal combustion engines - Measurement of sound power level using sound pressure - Part 4: Survey method for use in situ
Issued on: 2025-8-1 Price(USD): 315.0 |
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GB/T 17249.1-2025 Acoustics—Recommended practice for the design of low-noise workplaces containing machinery—Part 1: Noise control strategies
Issued on: 2025-05-30 Price(USD): 510.0 |
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GB/T 17249.2-2025 Acoustics—Recommended practice for the design of low-noise workplaces containing machinery—Part 2: Noise control measures
Issued on: 2025-05-30 Price(USD): 570.0 |
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GB/T 16405-2025 Acoustics—Measurement of insertion loss of ducted silencers without flow—Laboratory survey method
Issued on: 2025-05-30 Price(USD): 270.0 |
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GB/T 3241.1-2025 Electroacoustic—Octave-band and fractional-octave-band filters—Part 1: Specifications
Issued on: 2025-05-30 Price(USD): 645.0 |
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GB/T 3241.2-2025 Electroacoustics—Octave-band and fractional-octave-band filters—Part 2: Pattern evaluation tests
Issued on: 2025-05-30 Price(USD): 375.0 |
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T/CIS 17009-2025 General technical specification for bath type ultrasonic cleaning machine
Issued on: 2025-07-01 Price(USD): |
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GB/T 20441.8-2025 Electroacoustics—Measurement microphones—Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison
Issued on: 2025-05-30 Price(USD): 435.0 |
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GB/T 20441.7-2025 Electroacoustics—Measurement microphones—Part 7: Values for the difference between free-field and pressure sensitivity levels of laboratory standard microphones
Issued on: 2025-05-30 Price(USD): 270.0 |
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GB/T 4214.17-2024 Test method for noise of household and similar electrical appliances—Particular requirements for dry-cleaning robots
Issued on: 2024-8-23 Price(USD): 315.0 |
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GB/T 5111-2024 Acoustics—Measurement of noise emitted by railbound vehicles
Issued on: 2024-05-28 Price(USD): 690.0 |
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GB/T 44042-2024 Test method for underwater radiated noise from ships
Issued on: 2024-05-28 Price(USD): 675.0 |
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YY/T 0642-2022 Ultrasonics-Field characterization-Test methods for the determination of thermal and mechanical indices related to medical diagnostic ultrasonic fields
Issued on: 2022-08-17 Price(USD): 810.0 |
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GB/T 43945-2024 Cabin noise prediction for ships based on statistical energy analysis
Issued on: 2024-4-25 Price(USD): 465.0 |
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GB/T 43943-2024 Environmental noise emitted by vessels
Issued on: 2024-4-25 Price(USD): 255.0 |
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DL/T 2665-2023 Noise emission measurement of substation boundary-Multiple coherent function method
Issued on: 2023-10-11 Price(USD): 270.0 |
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GB/T 6881-2023 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Precision methods for reverberation test rooms
Issued on: 2023-9-7 Price(USD): 900.0 |
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T/CARD 045-2023
Issued on: 2023-12-25 Price(USD): |
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T/WHAS 061-2023 Photoacoustic Computed Tomography System
Issued on: 2023-12-18 Price(USD): |
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