发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
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Methods of noise measurement for pumps
1.1 总则 本标准规定了在包络泵的测量表面上测量声压级以计算噪声源声功率级的方法和评价方法。同时,给出了测试环境、测量仪器的要求以及表面声压级及声功率级的计算方法。 本标准适用于除潜液泵、往复泵以外的各种型式泵和泵用调速液力偶合器。 噪声测试规范中应对被测声源的安装
Methods of measuring and evaluating noise of pumps
本标准规定了在包络泵的测量表面上测量声压级的环境要求、测量仪器、泵的安装和工作条件、表面声压级的测量和声功率级的计算以及泵的噪声级别评价方法。 本标准适用于除潜液泵、往复泵以外的各种型式、电动机驱动的、工作介质为液体的泵或泵的机组
Methods of measuring and evaluating noise of pumps
This International Standard specifies methods for the measurement, determination and declaration of the noise emission from portable and stationary
Acoustics - Noise test code for compressors and vacuum pumps - Engineering method (Grade 2)
이 규격은 휴대용 및 고정용 압축기 및 진공 펌프로부터 방사되는 소음의 측정, 결정 및 공
Acoustics-Noise test code for compressors and vacuum pumps-Engineering method(Grade 2)
Acoustics - Noise test code for compressors and vacuum pumps Engineering method (grade 2) ISO 2151:2004; Including Corrigenda March 2004 and January 2006
This International Standard specifies methods for the measurement, determination and declaration of the noise emission from portable and stationary
Acoustics - Noise test code for compressors and vacuum pumps - Engineering method (Grade 2)
Acoustics - Noise test code for compressors and vacuum pumps Engineering method (grade 2).
Acoustics - Noise test code for compressors and vacuum pumps - Engineering method (Grade 2)
This International Standard specifies methods for the measurement, determination and declaration of thenoise emission from portable and stationary
Acoustics - Noise test code for compressors and vacuum pumps - Engineering method (Grade 2) (ISO 2151:2004)
This International Standard specifies methods for the measurement, determination and declaration of the noise emission from portable and stationary
Acoustics - Noise test code for compressors and vacuum pumps - Engineering method (Grade 2)
This International Standard specifies methods for the measurement, determination and declaration of the noise emission from portable and stationary
Acoustics - Noise test code for compressors and vacuum pumps - Engineering method (grade 2) (ISO 2151:2004); English version of DIN EN ISO 2151:2009-01
Acoustics - Noise test code for compressors and vacuum pumps - Engineering method (Grade 2) (ISO 2151:2004)
Acoustics - Noise test code for compressors and vacuum pumps - Engineering method (Grade 2) (ISO 2151:2004)
This document specifies a test method for determining flow induced in-pipe noise source characteristics of a ship-used pump as a two-port sound source
Ships and marine technology — Test method of flow induced in-pipe noise source characteristics for a ship-used pump
Methods of noise measurement for pumps
1.1 总则 本标准规定了在包络泵的测量表面上测量声压级以计算噪声源声功率级的方法和评价方法。同时,给出了测试环境、测量仪器的要求以及表面声压级及声功率级的计算方法。 本标准适用于除潜液泵、往复泵以外的各种型式泵和泵用调速液力偶合器。 噪声测试规范中应对被测声源的安装
Methods of measuring and evaluating noise of pumps
本标准规定了在包络泵的测量表面上测量声压级的环境要求、测量仪器、泵的安装和工作条件、表面声压级的测量和声功率级的计算以及泵的噪声级别评价方法。 本标准适用于除潜液泵、往复泵以外的各种型式、电动机驱动的、工作介质为液体的泵或泵的机组
Methods of measuring and evaluating noise of pumps
This International Standard specifies methods for the measurement, determination and declaration of the noise emission from portable and stationary
Acoustics - Noise test code for compressors and vacuum pumps - Engineering method (Grade 2)
이 규격은 휴대용 및 고정용 압축기 및 진공 펌프로부터 방사되는 소음의 측정, 결정 및 공
Acoustics-Noise test code for compressors and vacuum pumps-Engineering method(Grade 2)
Acoustics - Noise test code for compressors and vacuum pumps Engineering method (grade 2) ISO 2151:2004; Including Corrigenda March 2004 and January 2006
This International Standard specifies methods for the measurement, determination and declaration of the noise emission from portable and stationary
Acoustics - Noise test code for compressors and vacuum pumps - Engineering method (Grade 2)
Acoustics - Noise test code for compressors and vacuum pumps Engineering method (grade 2).
Acoustics - Noise test code for compressors and vacuum pumps - Engineering method (Grade 2)
This International Standard specifies methods for the measurement, determination and declaration of thenoise emission from portable and stationary
Acoustics - Noise test code for compressors and vacuum pumps - Engineering method (Grade 2) (ISO 2151:2004)
This International Standard specifies methods for the measurement, determination and declaration of the noise emission from portable and stationary
Acoustics - Noise test code for compressors and vacuum pumps - Engineering method (Grade 2)
This International Standard specifies methods for the measurement, determination and declaration of the noise emission from portable and stationary
Acoustics - Noise test code for compressors and vacuum pumps - Engineering method (grade 2) (ISO 2151:2004); English version of DIN EN ISO 2151:2009-01
Acoustics - Noise test code for compressors and vacuum pumps - Engineering method (Grade 2) (ISO 2151:2004)
Acoustics - Noise test code for compressors and vacuum pumps - Engineering method (Grade 2) (ISO 2151:2004)
This document specifies a test method for determining flow induced in-pipe noise source characteristics of a ship-used pump as a two-port sound source
Ships and marine technology — Test method of flow induced in-pipe noise source characteristics for a ship-used pump