SSEYL TES-1357 Sound Level Meter TES 1357: Amazon.com: Tools & Home Improvement
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Do you know the usage of sound level meter? TES- 1357 is one of the sound- level metre measures the volume and loudness of music, noise, and other... | By Obsnap Group of
TES-1151 Digital Sound Level Meter 0.1dB Resolution Range from 30 to 130dB # | eBay