Sound Level Meter - Industrial Products - Model 407730 - UNTESTED

Extech 407727 Digital Sound Level Meter NOS Decibel Measure

Vernier Sound Level Meter SLM-DIN / Extech 407740 Digital Sound Level Meter

UniSync Sound Level Meter

RadioShack Analog Sound Level Meter With Pouch Radio Shack Model 33-4050

BAFX Products - Decibel Meter / Sound Pressure Level Reader (SPL)

Integrating Sound Level Meter Extech 407780A

Aperion Audio ASM-1 Sound Pressure Level / Decibel Meter, Meter Only, Pre-Owned