This equipment has been designed to meet the meas-urement  requirement of Safety Engineers, Health, Indu-strial Safety offices and Sound Quality control in various environment, which include factory, office, traffic, family, and audio system. 
This equipment has the following functions:
1.CE certification
2.Modern, conpact, portable design
3.Accuracy up to 1.5 dB
4.Measurement range: 30dBA to 130 dBA
5.Backlight Display