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GB/T 19118-2015: Tri-wheel vehicles and low-speed goods vehicles -- Test method of noise
Status: Valid GB/T 19118: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 19118-2015 | English | 149 |
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Tri-wheel vehicles and low-speed goods vehicles -- Test method of noise
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GB/T 19118-2015
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| GB/T 19118-2003 | English | 279 |
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Agricultural vehicles -- Test method of noise
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GB/T 19118-2003
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PDF similar to GB/T 19118-2015
Basic data | Standard ID | GB/T 19118-2015 (GB/T19118-2015) | | Description (Translated English) | Tri-wheel vehicles and low-speed goods vehicles -- Test method of noise | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | T54 | | Classification of International Standard | 65.06 | | Word Count Estimation | 7,753 | | Date of Issue | 2015-05-15 | | Date of Implementation | 2015-10-01 | | Older Standard (superseded by this standard) | GB/T 19118-2003 | | Quoted Standard | GB/T 3785.1-2010; GB/T 15173-2010; GB/T 23917; GB/T 23931 | | Regulation (derived from) | National Standard Announcement 2015 No. 15 | | 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 | | Summary | This Standard specifies the three-wheeled vehicles and low-speed vehicles with vehicle acceleration noise and driver operating position of noise measuring instruments, measurement conditions, measurement methods, measurement results and reports. This Standard applies to three-wheeled vehicles and low-speed vehicles (collectively, low-speed vehicles). | GB/T 19118-2015: Tri-wheel vehicles and low-speed goods vehicles -- Test method 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.
Tri-wheel vehicles and low-speed goods vehicles. Test method of noise
ICS 65.060
T54
National Standards of People's Republic of China
Replacing GB/T 19118-2003
Three-wheeled vehicles and low-speed vehicles
Noise measurement method
Issued on. 2015-05-15
2015-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB 19118-2003 "farm vehicles, noise measurement method." This standard compared with GB 19118-2003 Main
Modifications are as follows.
--- Standard name from "farm vehicles, noise measurement method" to "three-wheeled vehicles and low-speed vehicles noise measurement method";
--- The "three farm vehicles" was renamed "three cars", the "four-wheel farm vehicles" was renamed "low-speed vehicles";
--- Normative references have been adjusted and reconfirmation;
--- The sound level measurement by the "type 2 or type 2 above requirements" to "Type 1 requirements";
--- The "two calibrated sound level meter reading difference should not exceed 1dB" adjusted to "no more than 0.5dB";
--- Increased instrument validity claims;
--- Adjust the measurement results recording requirements.
The standard proposed by China Machinery Industry Federation.
The low standard by the National Automotive Standardization Technical Committee (SAC/TC234) centralized.
This standard is mainly drafted by. farm vehicles Machinery Industry Development Research Center, Shandong Shifeng (Group) Co., Ltd.
Participated in the drafting of this standard. Machinery Tractor Farm Transporter Products Quality Inspection Center, China National Heavy Duty Truck ace Chengdu Commercial
Vehicle Co., Ltd., National Tractor Quality Supervision and Inspection Center, Hangzhou hung Electrical Co., Ltd., Shandong Automobile Co., Ltd. Ling Tang Jun Europe.
The main drafters of this standard. Chen Ge, Lv Shusheng, DONG Yun Lei, Liu Dongwei, Lin Lianhua, Min Haitao, Jin Wensheng, Lang blog, Wang Bo, Wang Yafei,
Wins new car.
This standard replaces the previous standard version of the case.
--- GB 19118-2003.
Three-wheeled vehicles and low-speed vehicles
Noise measurement method
1 Scope
This standard specifies the three-wheeled vehicles and low-speed vehicles to speed up traffic noise outside the car and driver operating position of noise measuring instruments, measuring
Conditions, measurement methods, measurement results and reports.
This standard applies to three-wheeled vehicles and low-speed vehicles (collectively, low-speed vehicles).
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 3785.1-2010 Electric Acoustic Sound Level Meters - Part 1. Specification
GB/T 15173-2010 acoustic calibrator
GB/T 23917 Test Method for low-speed vehicles
GB/T 23931 Test Method for three cars
3 Measuring Instruments
3.1 acoustic measurements
3.1.1 Measuring sound level (including microphone and cable) or other equivalent measurement system shall comply with the provisions of 3785.1-2010 GB/T
Type 1 sound level meter requirements.
3.1.2 measured before and after the application in line with GB/T 15173-2010 provisions of Class 1 acoustic calibrator according to the procedures specified by the manufacturer of the sound level meter into
Line calibration. In the absence of any further adjustment conditions, if after reading once a calibration calibration relative to the previous reading of the difference exceeds 0.5dB, then
That the results of the previous measurement after calibration invalid. The actual sound level meter calibration readings should be recorded in Appendix A.
3.2 speed or speed measurement
Measurement should be used accuracy better than ± 2% of engine speed or vehicle speed measuring instruments to monitor the engine speed or vehicle speed, you should not use low
Similar instruments on the car speed.
3.3 Measurement of meteorological parameters
Thermometer accurate measurement of the ambient temperature should be within ± 1 ℃. Anemometer accuracy should be within ± 1.0m/s.
3.4 Other parameters measured
Other parameters, such as distance, accuracy should be used not less than ± 2% of the measuring instrument.
3.5 Instrument Effectiveness
All measuring instruments shall be regularly inspected according to the provisions of the relevant national metrology instruments, and used within the effective date of inspection.
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