Sound Level Meters
Sound level meters suitable for professional application including measurement of noise at work and environmental noise measurement. A sound level meter is used in the workplace to monitor noise levels accurately and determine whether the noise exceeds legal limits set by relevant national or international regulations. Sound level meters are divided into two classes : Class 1 instruments have a wider frequency range and a tighter tolerance than a lower cost, Class 2 device. Most occupational noise standards allow the use of a Class 2 instrument.