![]() ![]() TIME WEIGHTING & FREQUENCY WEIGHTING FAST(125mS) for time weighting.measurement sound level - operating range from 35db 130db(decibel) - applicable standard: en 61672 type2. sound decibel meter type 2 - digital sound level meter with calibration certificate - reliable meter for measuring loudness, sound and noise levels from environmental and mechanical sources. ![]() Sound level meters - noise measurement device for application applications include: environmental and machines noise tester, warehouses, factories, office buildings, restaurants, schools, classrooms, library, hospitals, art galleries, stadiums, building security.
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