T/CCMA 0049-2017 Active Group standards

T/CCMA 0049-2017 Tiling machinery; Thermal Machinery; Cooling fan sound power level determination; Measurement method of semi-anechoic chamber

Publish Date: 2017-07-07 Implement Date: 2017-07-07 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CCMA 0049-2017

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Construction engineering construction machinery

ICS Name: Earthmoving machinery

Publish Date: 2017-07-07

Implement Date: 2017-07-07

Scope

Scope: This standard specifies the terms and definitions, requirements, methods, and data processing for the sound power level test of cooling fans for earthwork machinery. This standard applies to the sound power level test of cooling fans for earthwork machinery with a diameter greater than 254 mm and less than 2,135 mm, conducted in a semi-anechoic chamber. Main technical content: This standard specifies the terms and definitions, requirements, methods, and data processing for the sound power level test of cooling fans for earthwork machinery. This standard applies to the sound power level test of cooling fans for earthwork machinery with a diameter greater than 254 mm and less than 2,135 mm, conducted in a semi-anechoic chamber.