*If one needs long time on site sound monitoring, CENTER 322 will be the choice. With its build in 32000 records deep memory, it can gather all the data you need just by this tester and a tripod. After the data is collected, the user can download the data to the computer at his convenient place. *Features: *1.PC interface *2.32000 records datalogger *3.Bargraph indication *4.Auto ranging (30~130dB) *5.Auto power off *6.MAX/MIN function *7.Clock display *8.AC/DC signal output *9.IEC 651 TYPE II *Specifications: *1.Level Range: Lo=30~80dB ; Med=50~100dB ; Hi=80~130dB *2.Accuracy: ±1.5dB (ref 94dB@1KHz) *3.Frequency Weighting: A / C *4.Time Weighting: Fast, Slow *5.Dynamic Range: 50dB *6.Frequency Range: 31.5Hz to 8KHz *7.Microphone: Electret condenser microphone *8.Auxiliary Outputs: AC/DC Output *9.Battery: 9V x 1 *10.Dimensions: 275 x 64 x 30mm *11.Weight: 280g
