Thermo Fisher Scientific, S.L. - Sonómetros y decibelímetros
Bergraphe 40 - 130 db
Sound level meters: 40 To 130 DB
-Range of 40 to 130 dB, dB (A) and dB measurement standard (C) - memorization of maximum exposure Lmax - 2 frequency of slow measurement value / fast depending on the origin of the noise