Extech 407790 Real time Octave Band Analyzer

This auto ranging Type 2 integrating sound level meter features 1/1 and 1/3 Octave Band real-time noise analysis. The 407790 offers five measurement parameters: SPL (Sound Pressure Level), Leq (Equivalent Continuous Sound Pressure Level), LE (Sound Exposure Level), Lmax (Maximum Sound Pressure Level), and Lmin (Minimum Sound Pressure Level). The built-in memory stores 12,280 data records in sound level mode and 1024 records in Octave mode. The stored data can be easily transferred to a PC with the supplied software and RS-232 cable. This meter permits choice of ‘A’, ‘C’, or ‘Flat’ weighting and ‘Slow’ / ‘Fast’ response times. AC and DC analog output signals are available for chart recorders and other external recording devices. Careful use of this device will provide years of reliable service. Features: - 160x160 dot matrix backlit LCD displays Leq, LE, Lmax, Lmin, and Lp - Built-in memory stores up to 12,280 records in SLM mode and 1024 data points in 1/1 or 1/3 octave mode - Stored data can be easily transferred to a PC via RS-232 interface and analyzed using software and cable provided - A, C, and Flat weighting with Fast/Slow response time - 25Hz to 10kHz frequency response - Meets ANSI and IEC Type 2 standards - Real time clock with Year, Month, Day, Hour, Minute, and Second display

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