Extech 407760-NISTL USB Sound Level Meter with Datalogging

• 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
• 3.6V Lithium battery, Windows compatible software, USB cover, tripod, USB extension cable, windscreen and NIST Certificate (single point)

Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.