... time weighting 3.30 years experience TL6288B noise frequency channel analyzer / analysis meter1. integration, noise statistics, noise acquisition, noise ... 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