วันพุธที่ 4 เมษายน พ.ศ. 2555

OnSale Extech 407760 USB Sound Level Datalogger


OnSale Extech 407760 USB Sound Level Datalogger


USB interface for easy setup and data download ? 30 to 130dB range ? Datalogging capability up to 129,920 records ? Selectable data sampling rate ? Records readings with real time clock ? Two start methods: programmed (from PC) or manual ? 0.5" electret microphone ? Includes 3.6V Lithium battery, Windows?? compatible software, USB cover, tripod, USB extension cable, and windscreen High accuracy sound level datalogging of up to 129,920 records USB interface for easy setup and data download 30 to 130dB range Selectable data sampling rate 1.4dB basic accuracy

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