Real Time Octave Band Analyzer Extech 407790A

Wide measurement in 5 ranges: 20 to 90dB, 20 to 100dB, 20 to 110dB, and 30 to 120dB, 40 to 130dB 3.5\ (320x240) TFT color LCD with backlight feature displays Leq, LE, Lmax, Lmin, Lp, L05, L10, L50, L90, L95 Stores readings on microSD card Precise linearity over wide range (100dB) Transferred data to a PC to be analyzed using software and cable provided A, C and Z weighting with Fast or Slow response 25Hz to 10kHz frequency response Meets ANSI and IEC Type 2 standards Internal self test when powered ON Detachable 0.52\ (13.2mm) diameter condenser microphone and Tripod mount provided on rear Analog AC/DC recorder output Real time clock with Year, Month, Day, Hour, Minute and Second display Optional microphone extension cable for measurements in enclosures and other remote locations (407764-EXT) Complete with Windows\ compatible software, USB cable, 4 x C batteries, microphone wind screen, mini screwdriver, 120V AC adaptor, and case