![]() ![]() Sound level measuring instrument, collectively referred to as sound level meter.Ī2: The sound level meter uses a microphone to convert the sound into an electrical signal, and then a preamplifier converts the impedance to match the microphone with the attenuator. It can be widely used for noise measurement in various environments. The professional noise tester has a highly sensitive sensor, high accuracy, and a wide range of applications. The measurement unit of the sound level is decibels. The application of the noise tester can provide the decibel that the noise reaches in order to take relevant measures to control and reduce the noise. Higher decibel noise can even cause serious damage to people's eardrums and cause deafness. ![]() Factory noise monitoring Noise pollution is one of the environmental pollutions that have a greater impact. T, Lmax, Lmin, SEL, Lex8h, LAVG, TWA, DOSE, L5, L10, L50, L90, L95, SD, EĤ (7#) alkaline batteries, can work continuously for more than 6 hours lithium battery (optional): After fully charged, it can work continuously for more than 16 hoursĥ V external power supply: DC5 V~DC6.5 V, working current Parallel (simultaneous) F, S, I, Peak for each channel Parallel (simultaneous) A, C, Z for each channel ![]()
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