Extech 407760 USB Sound Level Datalogger

Accurate Datalogging for Noise Monitoring - Captures up to 129,920 readings with Class 2 accuracy (1. 4 dB) in the 30-130 dB range for precise environmental and industrial sound tracking, Flexible Weighting & Response Settings - Supports A and C frequency weighting, plus selectable Fast (125 ms) or Slow (1 s) response times to suit varied noise measurement needs, USB Config & PC Data Export - Easy setup via USB connection; download logged noise data directly to a computer through included software, Convenient and Compact Design - USB-stick form factor with built-in electret mic, lightweight (just 1 oz), tripod-ready, and bundled with extension cable, windscreen, battery, and case, Versatile Start Options & Time-Stamped Records - Choose between PC-programmed or manual logging start; each record includes a real-time clock stamp for accurate time-series noise analysis.