Extech’s Type 2 Integrating Sound Level Meter with Octave and 1/3 Octave Band Real Time.

Meets ANSI and IEC Type 2 standards
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 included software
A, C, and Flat weighting with Fast/Slow response time
Real time clock with Year, Month, Day, Hour, Minute, and Second display
25Hz to 10kHz frequency response