Digital Sound Level meter 30 - 130dB
Digital sound level noise meter with self calibration at 94dB with features of 35-130 dB
Handheld digital sound level meter with full range of 3--130dB noise meter.
Digital sound level data logger with features of USB or RS-232 Cable
30-130 dB noise measurement
Sound Level meter calibrator DSL-336A
Low cost handheld pocket size digital sound level meter with full range of 30-130dB noise measurement. DSL-335