REED R8080 Offers
This data logging sound level meter has the ability to record  samples on internal memory and keep track of registered readings with a time and date stamp. The R8080 features user selectable sampling rates and the option to track live measurements via the included PC interface software.

Features
High accuracy of +/-1.4 dB meets Type 2 standards
Triple range measurement (60dB dynamic range)  
A & C frequency weighting
Fast & Slow time weighting
Record up to 64,000 datapoints and keep track with internal time and date stamp
User selectable sampling rate from 1 to 60 seconds
Easy-to-read backlit LCD display
Digital analog bargraph
Min/Max hold and auto shut off
Tripod mount for long-term monitoring
Low battery indicator