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The Testo 816-1 is an 8KHz sound level meter. It is an ideal instrument for the evaluation of sound level measurements. The fast/slow button enables you to set the measurement time between 1s and 125ms. The frequency analysis can be obtained from characteristic curve A to C where curve A corresponds to the sound pressure sensitivity of the human ear and curve C evaluates the low-frequency components of a sound. This meter can measure the sound levels between 30dB and 130dB
testo 815 sound level meter
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