Extech 407780 Integrating Sound Level Datalogger features: Leq and SEL measurements with built-in datalogger and PC interface; Meets ANSI and IEC 651/804 Type 2 standards; Datalogging function records up to 32,000 records; Programmable integrating time; Real time calendar/clock; Linearity over wide range (100dB); Display modes: SPL, SEL, Lmax/Lmin, and Leq.
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to 
