GB 12349-1990 《Method of measuring noise at boundary of industrial enterprises》 Related products

GB 12349-1990 is an important standard for the measurement of factory boundary noise in industrial enterprises. The standard stipulates the detailed method of factory boundary noise measurement in industrial enterprises, which is applicable to all kinds of industrial enterprises. It specifies the accuracy and type requirements of measuring instruments, standardizes the measurement environment, and stipulates the background noise treatment and meteorological conditions. Describe the principle of measuring point layout in detail, and determine the location and quantity of measuring points according to the shape of the factory boundary and the distribution of sound sources. It also describes the measurement period, data collection and processing methods, which provides a unified specification for the accurate measurement of factory boundary noise in industrial enterprises and helps the regulatory authorities to evaluate the impact of enterprise noise emissions on the surrounding environment.