Designed to meet the measurement requirements of Safety Engineers, Health, Industrial safety offices and quality control in various environments. A and C weightings for checking compliance with safety regulations as well as acoustic analysis Measuring ranges: A Weighting 30 ~130dB C Weighting 35~130dB Frequency range: 31.5Hz~8KHz Display with 0.1dB steps on a 4 digits LCD Slow (1 sec) and fast (125ms) response settings to check peak and average noise levels MAX/MIN recording Data Hold to freeze reading on digital display Accessories supplied: Carrying case, windscreen, user manual and 9V Battery