Sper Scientific Decibel Meter 850019 w/Bluetooth, Sound Level Meter 35 to 130 dB, SPL A/C Weighted, Dual Range Max/Min & Data Hold, Compact Audio Noise Measuring Device, Large Backlit Display - 4 pc

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About This WIRELESS CONNECTIVITY: Connect via Bluetooth to view sound readings on your smartphone in real time. Compatible with iOS and Android, it transforms the meter into a remo te wireless probe for hands-free monitoring. A/C WEIGHTED: Choose between A or C decibel weighting scales for precise sound measurements across a range of environments. The A-weighted scale mimics the human ear’s response to ambient noise, ideal for environmental sound monitoring. The C-weighted scale is suited for high-intensity, low-frequency noise, perfect for machinery and industrial sound analysis. PRECISE MEASUREMENT: Switch between manual and auto ranging modes to capture decibel levels accurately, from 35 to 130 dB. Highly accurate with ±1.5 dB. EASY TO READ: The large 1.5 inch backlit display makes decibel readings easy to view in any light condition. Shows over or under range alerts, min/max holds, and data hold for reliable, on-the-spot analysis. COMPLETE SET: Comes ready to use with a windscreen, tripod mount, instructions and a 9V battery. Show more