The impact and classification of noise measurement equipment
Noise Meter-Influencing factors:
1, from the measurement object, can be divided into environmental noise (sound field) characteristics of the measurement and the measurement of sound source characteristics.
2, from the time characteristics of the sound source or sound field, can be divided into steady state noise measurement and non-steady state noise measurement. The non-stationary noise can be divided into periodic change noise, irregular change noise and impulse sound.
3、From the frequency characteristics of the sound source or sound field, it can be divided into broadband noise, narrowband noise and noise containing prominent pure tone components.
4、From the precision of measurement requirements, it can be divided into precision measurement, engineering measurement and noise census. In order to unify, the international and domestic have developed some noise measurement standards, these standards not only provides the method of noise measurement, also provides the need to use the technical requirements of the sound level meter, we can be based on these standards in order to better choose the right sound level meter.
Noise Meter-Classification:
1, from the measurement object, can be divided into environmental noise (sound field) characteristics of the measurement and the measurement of sound source characteristics.
2, from the time characteristics of the sound source or sound field, can be divided into steady state noise measurement and non-steady state noise measurement. The non-stationary noise can be divided into periodic change noise, irregular change noise and impulse sound.
3、From the frequency characteristics of the sound source or sound field, it can be divided into broadband noise, narrowband noise and noise containing prominent pure tone components.
4、From the precision of measurement requirements, it can be divided into precision measurement, engineering measurement and noise census.
