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GB/T 10284-2016 English PDF

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GB/T 10284-2016: Forestry machinery -- Portable pneumatic fire extinguisher -- Measurement of noise
Status: Valid

GB/T 10284: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 10284-2016English219 Add to Cart 3 days [Need to translate] Forestry machinery -- Portable pneumatic fire extinguisher -- Measurement of noise Valid GB/T 10284-2016
GB/T 10284-2008English359 Add to Cart 3 days [Need to translate] Forestry machinery -- Portable pneumatic fire extinguisher -- Measurement of noise Obsolete GB/T 10284-2008
GB/T 10284-1999English279 Add to Cart 3 days [Need to translate] Portable pneumatic extinguishers-- Measurement of airborne noise at the operatorear Obsolete GB/T 10284-1999
GB/T 10284-1988EnglishRFQ ASK 3 days [Need to translate] Portable pneumatic extinguishers measurement at the operatorposition of air--Borne noise from extingui-shers Obsolete GB/T 10284-1988

PDF similar to GB/T 10284-2016


Standard similar to GB/T 10284-2016

GB 7956.12   GB 7956.6   GB 7956.1   GB/T 10283   GB/T 10280   

Basic data

Standard ID GB/T 10284-2016 (GB/T10284-2016)
Description (Translated English) Forestry machinery -- Portable pneumatic fire extinguisher -- Measurement of noise
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard C84
Classification of International Standard 65.060.80; 13.220.20
Word Count Estimation 11,153
Date of Issue 2016-02-24
Date of Implementation 2016-09-01
Older Standard (superseded by this standard) GB/T 10284-2008
Quoted Standard GB/T 3785.1; GB/T 14574-2000; GB/T 17248.2; GB/T 20247; ISO 3744-2010
Regulation (derived from) National Standard Announcement No
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 10284-2016: Forestry machinery -- Portable pneumatic fire extinguisher -- Measurement of noise


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Forestry machinery - Portable pneumatic fire extinguisher - Measurement of noise ICS 65.060.80 C84 National Standards of People's Republic of China Replace GB/T 10284-2008 Forestry machinery Portable wind fire extinguishers Determination of noise 2016-02-24 released 2016-09-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. The standard instead of GB/T 10284-2008 "forestry machinery portable wind power machine noise determination", and GB/T 10284- 2008 compared to the main technical changes are as follows. --- modified the normative reference file; - modified the "ambient temperature" requirement in environmental conditions (see 5.3, 5.3 of.2008); - modified the requirements of the noise test site (see 5.3,.2008 5.1); - modified the description of the fixed position of the fire extinguisher on the test stand (see 6.3.1,.2008, 6.3.1); - modified the sound power level to determine the hemispherical radius of the description (see 6.2.2.2,.2008 edition of Chapter 7); - modified the requirement for "correction factor K2A" (see chapter 6.3.3, chapter 7 of the.2008 edition); --- modified the measurement conditions (see 6.4,.2008 version 6.2); - Added "Marking and testing of noise values" (see Chapter 8). This standard is proposed by the State Forestry Administration. This standard is nationalized by the National Forestry Machinery Standardization Technical Committee (SAC/TC61). The standard responsible for the drafting unit. Yongkang Xing Tiger Power Machinery Co., Ltd. This standard participates in the drafting unit. Harbin Forestry Machinery Research Institute of the State Forestry Administration, Taizhou Yulin Power Machinery Co., Ltd., Shandong Sheng Zhongtian Machinery Group Co., Ltd., Heilongjiang Zhongyu Longhua Technology Development Co., Ltd., National Portable Forestry Machinery Quality Supervision and Inspection Center, Jiangsu Linhai Power Machinery Group Corporation. The main drafters of this standard. Shang Nongrong, Li Yingzhen, Sheng Ping, Liu Xiangfeng, Lu Jingqun, Wang Zhendong, Yuan Xiaochun, Li Pai. This standard replaced the previous version of the standard release. GB/T 10284-1988, GB/T 10284-1999, GB/T 10284-2008. Forestry machinery Portable wind fire extinguishers Determination of noise

1 Scope

This standard specifies the gasoline engine as the driving force of the portable wind extinguisher (hereinafter referred to as the fire extinguisher) A weighted sound power level and ear noise Sound of the method of determination. This standard applies to the forestry machinery portable wind extinguisher noise measurement, but also for forestry machinery portable wind sprayer Of the noise determination.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. Electroacoustics - Sound level gauges - Part 1. Specifications Testing and verification of noise emission values for acoustic machines and equipment GB/T 14574-2000 GB/T 17248.2 Acoustic machines and equipment emitted noise Operating position and other specified positions Measurement of the emission sound pressure level A method of approximating free field above a reflective surface Measurement of sound absorption in acoustic reverberation chamber GB/T 20247 ISO 3744..2010 Acoustic sound pressure method for the determination of noise source sound power level of the above-mentioned approximate free field engineering method (Acous- tics-Determination ofsoundpowerlevelsandsoundenergylevelsofnoisesourcesusingsoundpres- sure-engineeringmethodsforanessentialyfreefieldoverareflectingplane

3 measured parameters

A weighting and frequency bands (if required) time average sound pressure level, the measurement requirements shall comply with ISO 3744..2010 and GB/T 17248.2. A weighting and each band (if required) sound power level and ear noise.

4 measuring instruments and precision

4.1 sound level meter According to the provisions of GB/T 3785.1 using the integral average sound level meter for measurement; or according to the provisions of GB/T 3785.1 use sound level meter "Slow" time-weighted characteristics of the measurement. 4.2 microphone The microphone diameter should be no more than 13mm. In order to avoid wind noise interference, to allow the installation of wind shield, but the impact on the measurement results should not be super ± 0.5dB. 4.3 tachometer The measurement error of the tachometer shall be within ± 1% of the reading.

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