... horologe screwdriver, briefcase Modal TL6288BMeasuring range A sound level:30-135dB C sound level:35-135dBLinearity: 40-135dBFrequency range20Hz-12. ... TL6020/6020A sound level calibrator Sound level: 94dB, 1kHzDisplay 54mm×42mm LCD digital display, analog watch handDisplay measuring mode, measuring time, clock, 1 ... : 178mm×81mm×31mmWeight 0.4kg , printer: 0.41kg digital sound frequency analysis meter