Quest Technologies has introduced a new Metrosonics brand Integrating Sound Level Meter. The 2800M provides measurements of SPL, Lmax, Lmin, Leq, SEL and elapsed time. Selectable response time constants include slow, fast, impulse and peak. Measurement ranges include 80 to 140, 60 to 120, 40 to 100, and 20 to 80 dB. Quest Technologies, Inc., Oconomowoc, WI.