offers wireless communication between the PC in the hands of the operator and the measuring instruments in both the source and receiving room. It simplifies the setup and communication protocols by connecting the small external specially developed Bluetooth Transceiver Nor520 directly to one or two of the Nor140 handheld sound analyser(s), a single or dual channel wireless building acoustic system may be setup with a minimum of time at almost any location.



Bluetooth Transceiver replaces the use of data interface cable between the measuring instrument and the PC. It is used in combination with both the Nor118 and Nor140 Sound Analysers.