Norsonic 139 Sound Level Meter
All-purpose Sound Level Meter
Class 1
Easy-to-use
A general purpose class 1 sound level meter mainly designed for advanced noise assessments and noise logging. Featuring event triggered sound recording and markers.
The Nor139 sound level meter may optionally be fitted with 1/1- and 1/3-octave filters capable of logging multispectra with a vast number of measurement parameters with a time resolution of from 100ms and on. Fitted with removable SD-card for easy to store and import measurement data to a PC.