introduction:
Aplication: be used for industrial noise measurement of various machines, vehicle,shipping and electrical.Suitable for the areas of industrial enterprises，environmental protection，industrial hygiene，teaching and scientific research
Characteristics:
·Instead of some traditional sound level meters, its stability and reliability was greatly increased by using digital detector technology,
integrate the 1 / 1 and 1 / 3 octave filters
·SM71A has the function of integral and statistical measurement, direct measurement of Leqequivalent continuous sound level and LAEnoise exposure level,
·Built-in the 1 / 1 and 1 / 3 octave filter, can manually or automatically select the center frequency of the filter
SM71A has the function of high capacity of data acquisition,can simultaneously store 800 groups data,datas every hours for 6 days and 22 groups
data that is result of filter automatically scanning
·Large LCD,clear and visual read.
·Data storage,print function,can be connected with computer