SL720 Digital Sound Level Meter with A/C Weighting 30dB to 130dB Range

SL720A Portable Decibel Sound Meter with Dual AC Weighting Mode 30 130dB

SL720 Digital Sound Level Meter 30dB-130dB with A/C Weighting and Backlit LCD

SL720 Portable Sound Level Meter 30-130dB with Fast Response and LCD Display

SL720 Digital Noise Meter 30-130dB Range with Auto Shutdown After 10 Min

SL720 Portable Sound Level Meter 30-130dB with Fast Response and LCD Display

SL720 Digital Sound Level Meter with A/C Weighting 30dB to 130dB Range

SL720A Portable Sound Meter with Frequency Response 31.5Hz to 8kHz 30 130dB