This standard specifies the basic parameters, technical requirements, test methods, inspection rules and marking, packaging, storage, etc. of 1/1 and 1/3 octave filters for noise and vibration analysis. This standard applies to the design, manufacture, use and repair of filters for mechanical or electronic transfer switches.
JB/T 5457-1991 history
1991JB/T 5457-1991 Specifications for 1/1 and 1/3 octave band filters for sound and vibration analysis