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The Extech 407760 USB Sound Level Datalogger can log up to 129, 920 high accuracy records and features. a built-in USB connector for quick download of Sound Level data. Designed to meet ANSI and IEC 61672 Class 2 standards, this sound level datalogger stands at the cutting edge of sound measurement technology. The 407760 had an adjustable range of 30 to 130dB, selectable data sampling rate, and records readings with a real time clock. Measurements can be taken manually, or can be preprogrammed from a PC through the USB interface. The 0.5" electret microphone with windscreen guarantees accurate sampling of sound data.

Specifications:
Range: 30 to 130dB
Frequency Range: 31.5 to 8kHz
Basic accuracy: 1.4dB
Weighting: A and C
Response Time: Fast ( 125ms) / Slow ( 1s)
Datalogging: 129, 920 points
PC Interface: USB
Dimensions: 5.1 x 1.1 x 0.9" ( 130 x 30 x 25mm)
Weight: 1oz ( 20g)

Included w/ :
( 1) 3.6V Lithium battery
( 1) Windows compatible software
( 1) USB cover
( 1) tripod
( 1) USB extension cable
( 1) windscreen

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