1111MicrosoftInternetExplorer402DocumentNotSpecified7 8 磅Normal0Specifications Model ANENG GN102 Measuring Range 30 130dB Frequency Response Range 30Hz 8kHz Resolution 0 1dB Noise Accuracy ±2dB Sample Rate FAST 125ms Sample Rate SLOW 1 second Frequency Weighting A weighted Material ABS Power Source 2 x AAA 1 5V batteries not included Automatic Shutdown After 15 minutes of inactivity Under voltage Indication Yes Data Retention Yes Maximum Minimum Measurement Function Yes LCD Backlit Bright Screen Yes Weight 53gFeatures 1 Wide Measurement Range Ideal for a variety of sound environments the ANENG GN102 effectively captures noise levels from 30 to 130dB for accurate assessments 2 Clear LCD Backlit Display The bright backlit screen provides effortless readability in low light environments making it practical for both indoor and outdoor use 3 Compact and Ergonomic Design Lightweight and designed for comfort its slim profile and smooth lines ensure easy handling during extended usage 4 Data Retention Function Conveniently records sound level data for comparison or documentation purposes ensuring users can rely on consistency 5 Windproof Sponge Cover Reduces the impact of wind or airflow enhancing the reliability and precision of recorded measurements Package Included 1 x Packing Box1 x High Precision Noise Meter1 x User ManualNote Battery is not included