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Reviews (143)

Nov 25, 2020
Great handy little book
Very good value & useful to have to hand size wise.

May 03, 2022
Sound Level Noise Calibrator
Very nice product, well engineered & designed.
Very useful product not only go calibrate my sound level meter but my microphone on my HI FI.

Jan 13, 2021
Very usefull book &great reference item
Amazing quality book, for a second hand item
