From inspection sound level meters to octave band and third octave band spectral analysers for advanced measurements
Integrating Sound level meter class 1 with audio recording expandable to spectrum analyzer for third octave bands
Integrating Sound level meter class 1 with touch screen expandable to spectrum analyzer for octave and third octave bands
Integrating Sound level meter class 2 with touch screen expandable to spectrum analyzer for octave and third octave bands