GB/T 2888-2008 Methods of noise measurement for fans blowers compressors and Roots blowers

01/02/2009

40P

$300.00 USD

Contents
Foreword
1 Scope
2 Normative references
3 Terms, symbols and units
4 Measuring items
5 Measuring condition
6 Measuring instruments, equipment, rack and its requirements
7 Measuring device
8 Measuring routine
9 Measuring method
10 Processing of measurement data
11 Measurement reports
Annex A (Informative) Sound power level measurement Free field method
Annex B (Informative) Sound power level measurement Near sound field method