... characteristicsLMS true effective valueCrest factor3Time weighting Fast(F), Slow(S), Max value hold functionMeasuring time settingMan,10s,1min,5min, ... sound level calibrator Sound level: 94dB, 1kHzDisplay 54mm×42mm LCD digital display, analog watch handDisplay measuring mode, measuring time, clock, ... Printer: 178mm×81mm×31mmWeight 0.4kg , printer: 0.41kg digital sound frequency analysis meter