... from -15 °C to 50 °CComplies with IEC 61672 Class 1 USESWidely use in Industrial Noise Surveys ; machinery, vehicles, ships and ... , RS 232SamplingFrequency48 kHzIntegratingFunctionNONONONOYESYESIntegratingTimeNOMaunal, 10s, 1m,5m, 10m, 20m,30m, 1h, 2h, 4h,8h, 12h, 16h, 24h1s~24hMainParameters of MeasurementLp, Lmax, LpeakLp ... ,C, Z; Y is F, S, I; N can be 1—99) SEL, Lex,8h, Lavg, TWA, DOSE, E, SD, ...