Extech 407780-NIST Integrating Sound Level Meter with Datalogging

Extech 407780-NIST- NIST Calibration Certificate - Integrating Noise 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, & Leq.