Increased demand for noise detectors under environmental awareness

In the field of construction machinery testing, noise measurement has been listed as a national mandatory standard test item, that is, if the noise fails to meet the requirements of the national standard, the entire machine is judged as unqualified. If the previous construction machinery manufacturing enterprises did not attach much importance to noise control, then due to the promulgation and implementation of strong targets, each tension testing machine company has fully realized the importance of noise measurement, and has taken noise reduction measures in an effort to Noise is limited to the scope of the standard.

In order to understand the noise of its universal material testing machine products, some professional production companies are equipped with noise detection equipment - sound level meter, and equipped with specialized inspection personnel. However, there are also some private and individual enterprises that do not have sound level meters, or if they do, they do not meet the measurement requirements of the standard, ie, they cannot measure the equivalent continuous sound level, which exposes this blank market. What are the product requirements for this market?

Sound level meters can be classified into general sound level meters, vehicle noise sound meters, pulse sound level integrated sound level meters, noise exposure meters (dosimeters) and statistical sound level meters according to their use. According to its accuracy can be divided into 0 type, type 1, type 2 and type 3 four types. Among them, type 0 sound level meter is mainly used as a laboratory reference standard; type 1 sound level meter is used in places where the laboratory and acoustic environment can be strictly controlled; type 2 sound level meter is suitable for general measurement use; type 3 sound level meter is mainly used. Used for on-site noise surveys. China's currently used standards for test testing are GB16710.1 and GB/T16710.2-5, which stipulate that the test instrument used is a type 1 instrument with integral function.

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