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Extech 407760 USB Sound Level Datalogger Features: Characteristics: Extech 407760 USB Sound Level Datalogger USB interface for easy setup and data download 30 to 130dB range Datalogging capability up to 129,920 records Selectable data sampli

Amprobe SM-10 Digital Handheld Sound Level Meter Features: 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 Display with 0.1dB steps on a 4 digits LCD