Bruel & kjar acoustic transducer measurement outdoor microphone type 4952
Vintage scott sound level meter type 450-b instrument laboratories - not tested
Genrad general radio precision integrated sound level meter/analyzer - working
Digital sound level meter, decibel meter with backlight portable sound pressu...
Sndway sw-525a 30-130db digital sound level meter with large lcd display noise
Radio shack sound level meter 33-2050
Sound level meter professional sound pressure level handheld digital sound noise
Quest electronics 2700 impulse sound level meter w/ microphone & case #2
Quest electronics 2700 impulse sound level meter w/ microphone & case #3
Cel instruments cel-460 noise dosimeter & cel-282 acoustical calibrator
Bruel kjaer tube pre-amp type 2615
3m quest technologies soundpro se/dl dl-2 sound level meter
Parts express mini digital sound level meter
Gain express landtek instruments professional digital sound level meter 30 to 13
Sm-130db digital decibel meter reader and sound level meter type 2 with calibrat
Bruel & kjaer microphone type 4134
Vintage realistic sound level meter 33-2050 w/ case & manual
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