GB/T 14255-2015 in English

VALID

Household sewing machines head―Method of sound power levels of noise emitted

Issued on:2015-09-11
Implemented on:2016-04-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $220.00
$214.00

Standard No:	GB/T 14255-2015
Document status:	VALID
Title in English:	Household sewing machines head―Method of sound power levels of noise emitted
Title in Chinese:	家用缝纫机机头噪声声功率级的测试方法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2015-09-11
Implemented on:	2016-04-01
Superseding:	GB/T 14255-1993 of sound power levels of noise emitted by household sewing machine head
ICS Classification:	61.080-Sewing machines and other equipment for the clothing industry
Chinese Classification:	Y17-Sewing machine
Professional Classification:	GB-National Standard
Related Keywords:	sound power level sound power levels household sewing machine head machines head ― method sound pressure level
Related Topics:	gb/t14255 sound level calibrator noise slope noise+ nose sound power Ultrasound machine power Noise Equivalent Power sound power level GBT14255 GB/T 14255-1993 GB/T 14255-2015 National Standard Analysis Network for Sewing Machines Measuring noise-generating sound power levels How to test a generator with a power analyzer Establishing a national ultrasound power There are many standards for noise testing methods The upper limit of national noise standards for household heaters

《GB/T 14255-2015家用缝纫机机头噪声声功率级的测试方法》由TC152（全国缝制机械标准化技术委员会）归口，主管部门为中国轻工业联合会。
本标准规定了在一个反射平面上方为自由场的声学测试环境下,在一假象的包络家用缝纫机机头的测量表面上测出声压级,经过计算得出声功率级的方法。
本标准适用于家用缝纫机机头噪声声功率级的测试。

Scope

This standard specifies the method for calculating the sound power level by measuring the sound pressure level on the measurement surface of a phantom enveloped household sewing machine head in a free-field acoustic test environment above a reflecting plane. This standard applies to the test of the sound power level of the head noise of household sewing machines.

More samples: JGJ 94-2008 GB 18306-2015 DL/T 368-2010

Sample only — not a preview of GB/T 14255-2015

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