Two of our products have done the pattern evaluation testsInformation sources: Date Published:2008-12-9 Number of visits:612 Model AWA 6291 Real Time Signal Analyzer produced by our company has done the pattern evaluation tests by National Institute of Metrology of China. Another a new product model AWA 6228 multi-functional sound level meter has done the pattern evaluation tests by Institute of Metrology of Zhejiang Province.
Both pattern evaluation tests are done according to the IEC 61672-2 Electroacoustics-sound level meter-Part 2: pattern evaluation tests, and IEC 61260 Octave and fraction octave filters ,which indicate both products meet the standard of sound level meter class 1 and filter class 1．The pattern evaluation reports see download center.
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