The Placid SL-02 sound level meter is an integrating (Leq) sound level meter that measures the sound pressure level (SPL) in Decibel (dB).
 
Feature :
Compliance with IEC 61672-1:2002 Class 2 
able to measure Leq, Lmax, Lmin, SPL
datalogger for 64000 records
pc interface with software
AC/DC signal output (recording, post processing)
Back-lit display