Extech Extech 407760 USB Sound Level Datalogger

Style:Standard Product Description View larger USB Sound Level Datalogger High accuracy datalogging of up to 129,920 records (with real time clock stamp) using a USB interface for easy setup and download. Designed to meet ANSI and IEC 61672 Class 2 standards with ±1.4dB accuracy. 30 to 130dB measurement range. Additional Features This datalogger provides A/C weighting, fast/slow response time, user-selectable data sampling rate (50ms, 500ms, 1s, 2s, 5s, 10s, 60s) and two start methods: programmed (from PC) or manual. Includes Comes with 3.6V lithium battery, Windows compatible software, USB cover, tripod, windscreen, and user manual. Model 407760-NIST is also available with a Certificate of Calibration Traceable to NIST. HD600View larger Datalogging Sound Level Meter Sound Level Meter meets ANSI and IEC 61672-1 Type 2 standards. It has three measuring ranges from 30 to 130dB with 1.4dB accuracy. In addition to the LCD digital display, an analog bargraph provides easy viewing of fast changing sound levels....