EXTECH 407790 REALTIME SOUND LEVEL METER
The Extech 407790 Real Time Octave Band Analyzer auto ranging Type 2 integrating sound level meter features 1/ 1 and 1/ 3 Octave Band real-time noise analyses. The 407790 offers five measurement parameters: SPL, Leq, LE, Lmax, and Lmin. The built-in memory stores 12, 280 data records in sound lev