Integrating Sound Level Meter with USB (407780A)

The 407780A is an integrating sound level meter 
with USB. 
The meter takes Leq and SEL measurements with 
A and C frequency weighting options. 
The meter has a built in datalogger that 
records up to 32,000 records and PC interface 
to easily access your logged information.
Its 4 digit multifunction LCD has an analog 
bargraph and digital reading. 
With the 407780A you can program integration times,
utilize impulse, fast or slow response settings and
benefit from alarm features.
For more details please refer datasheet.