صوت سنج GM1357

صوت سنج GM1357  Digital Sound Level Meter GM1357 This equipment has been designed to meet the measurement requirement of Safety Engineers, Health, Indu- strial Safety offices and Sound Quality control in various environment, which include factory, office, traffic, family, and audio system. ویژگی های دستگاه صوت سنج GM1357 : مطابق با استانداردهای زیر طراحی شده...