Keterangan :

EXTECH USB Sound Level Datalogger 407760

Features:
USB interface for easy setup and data download
30 to 130dB range
Datalogging capability up to 129, 920 records
Selectable data sampling rate: 50ms, 500ms, 1s, 2s, 5s, 10s, 60s
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, and windscreen
For complete specs please download the product datasheet ( not available for some accessories)

Specification
Range : 30 to 130dB
Frequency Range : 31.5 to 8kHz
Basic accurancy : ± 1.4dB
Weighting : A and C
Response Time : Fast ( 125ms) / slow( 1s)
Datalogging : 129.920 points
PC Interface : USB
Dimensions : 5.1× 1.1× 0.9" ( 130× 30× 25mm)
Weight : 1oz( 20g)