GB/T 9068-2025 English Version, GB/T 9068-2025 Determination of sound power levels of refrigeration and air-conditioning equipment - Sound pressure methods (English Version)

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GB/T 9068-2025 Determination of sound power levels of refrigeration and air-conditioning equipment - Sound pressure methods (English Version)
Standard No.:	GB/T 9068-2025	Status:	to be valid remind me the status change Email:
Target Language:	English	File Format:	PDF
Word Count:	19500 words	Translation Price(USD):	585.0 remind me the price change Email:
Implemented on:	2026-5-1	Delivery:	via email in 1~5 business day

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Standard No.:	GB/T 9068-2025
English Name:	Determination of sound power levels of refrigeration and air-conditioning equipment - Sound pressure methods
Chinese Name:	制冷与空调设备噪声声功率级的测定声压法
Chinese Classification:	J73 Refrigeration equipment
Professional Classification:	GB National Standard
Source Content Issued by:	SAMR, SAC
Issued on:	2025-10-31
Implemented on:	2026-5-1
Status:	to be valid
Superseding:	GB/T 9068-1988 Determination of sound power levels for noise emitted by heating ventilating and air conditioning equipment - Engineering method
Target Language:	English
File Format:	PDF
Word Count:	19500 words
Translation Price(USD):	585.0
Delivery:	via email in 1~5 business day

Standard

GB/T 9068-2025 Determination of sound power levels of refrigeration and air-conditioning equipment - Sound pressure methods (English Version)
Standard No.	GB/T 9068-2025
Status	to be valid
Language	English
File Format	PDF
Word Count	19500 words
Price(USD)	585.0
Implemented on	2026-5-1
Delivery	via email in 1~5 business day

Detail of GB/T 9068-2025

Standard No.

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Introduction of GB/T 9068-2025

本文件界定了制冷与空调设备噪声声功率级测定的术语和定义，规定了测试环境和仪器要求，给出了被测设备的安装与运行、声压级的测量、声压级和声功率级的计算等方法。
本文件适用于创造人类舒适性环境、特定人工环境、工艺流程条件及特定冷热需求的温度、湿度、流量、空气品质控制与调节的制冷系统和热泵、装置及部件声功率级的测定。声功率级的测定方法包括反射平面近似自由声场测定、消声室和半消声室测定、混响场下硬壁测试室比较法测定、混响场直接法测定。消声室和半消声室测定方法（精密级）适用的频率范围为100 Hz～10 000 Hz的1/3倍频带。

Contents of GB/T 9068-2025

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Keywords:
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