Optimus Sound Level Meters have been designed with ease of use as the most important feature, which lets users get on with measuring and controlling the noise. All of the functions of the instrument are measured simultaneously and, with a wide 120 dB measurement span, there is no need to worry about choosing the right range. An Optimus can measure up to 140 dB(A) and 143 dB(C) peak in this single range with optional 1:1/1:3 octave band RTA.
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