This SLD (Sound Level Data logger) is designed for noise project; quality control; illness prevention and cure and all kinds of environmental sounds measurement. It is applied to the sounds measurement at factory; school; office; traffic access and household, etc.

• This unit confirms to the IEC 61672-1 CLASS2 for Sound Level Meters.

• NORM (Normal) & PEAK mode

• Over range indication

• A & C Weighting

• FAST & SLOW response

• Manual & Automatic start