Accurately measure and monitor noise levels with the Serrax SLM1090, perfect for industrial, environmental, and workplace applications. Compact, reliable, and built for long hours in the field. Key Features: Range: 30–130 dB with 0.1 dB resolution Frequency Weighting: “A” & “C” type Time Weighting: FAST & SLOW modes Data Storage: 16 GB pen drive for ...