Sound Level Meter NL-32

Sound Level Meter Type: NL-32 Instrument: Accuracy class Type1 measurements Lp, Leq, Le, Lmaz, Lmin, Ln instantaneous measurement Lpeak, Lcpak, LA1, Laleq, Lceq, LATm5 measuring time 10s, 1m, 5m, 10m, 15m, 30M, 1h, 8h, 24h, manual range (A, C-weighted) 28 ~ 138dB frequency range of 20Hz ~ 12.5kHz maximum measuring range 141dB Microphone Type UC-53A range selection to 10dB in steps of sub-6 linear range 100dB Response time F, S, I FLAT sampling frequency weighting time 30.3us built-in reference information: real-time clock: a memory function: Manual (100 groups) and automatic 1 (540,000), 2 (57600 groups) Timing function: Power 4 AA batteries 27 hours battery life