Classification of noise meters and instructions for use
Noise meter is also called sound level meter, decibel meter, noise meter. It is mainly used to test the noise of environment and machine.
According to the structure, it is divided into one-piece type and split type. At present, most of the market is one-piece noise meter, which is more convenient in measurement.
According to the function, it is divided into common type and multi-function type.
Ordinary type is mainly used to test the noise of production workshop, office, machine, with A\C weighting, can view the * big and * small value during the test. There is no data storage and printing, computer transmission and other functions. The test range is generally in the 30-130DB. has a small size, easy to carry, easy to operate, inexpensive and so on.
Multi-functional noise meter is generally used for testing occasions requiring higher occasions, such as low-decibel test (HS5661A can test 20dB), high-decibel test (HS5661B can test 160dB), can store the data, can be connected to a micro printer, can be connected to the computer and the test data will be converted to graphs, can be online test noise, can test Lp, Leq, Le, Lmax Lp, Leq, Le, Lmax, Lmin, Lx, Lpeak, Lcpeak, Lceq, Ltm5, L10, L50, L90, L95 and other parameters, as well as multi-channel noise test, noise spectrum analysis.
Noise meter according to the brand is divided into Taiwan Hengxin AZ, Taiwan Qunter CENTER, domestic AIHUA AWA, domestic Hengsheng, domestic Red Star, Hong Kong Sigma, Lantai, Taiwan Luchang LUTRON, Germany TESTO, U.S. FLUKE, Japan's Ono ONOSOKKI, Japan's RIYIN rion and other brands.
