Easy-to-use setup and post processing software customize measurement parameters: - averaging period (10 sec. To 24h) - response time (fast and slow) - frequency weighting (a and c) unparalleled autonomy and pocket size compact and lightweight (4.2 oz 120 grams) tripod mounting screw 14-20 measurement autonomy of 250 hours retreive and post process data applications: environmental noise survey noise ordinance machine noise evaluation data storage for record evaluation of sound exposure noise alert calibrate microphone up to 10 days of continous measurement of leq (1h) and l% built-in usb connection with included datalogging software post processing interface compute the global level history display measurements with a time base display data stored (lmin, lmax, leq) export data in a file data processing interface display every measurement recorded display start time and duration of each measurement display statistic (leq, lmin, lmax, l%) export data in a xls file