2255 Brüel & Kjaer

Specifications : 2255 Brüel & Kjaer Class 1 sound level meter : Single measurement range : 22.7 – 140.6 dB(A) from floor noise to maximum level, 16 GB of internal storage, Automatic transfer of measurements to network or USB storage support for backup and analysis, Robust design for indoor and outdoor measurements (IP 54), Wireless connectivity for remote control of measurements and data transfers, Simplified user interface using either the sound level meter or your iOS mobile device, GPS for time and position, Automatic detection of the calibrator, Removable preamplifier, Open programming interface, Analysis quality audio recording (with optional BZ-7451 license).