Environmental Noise Meter Nor139

Description

The Nor139 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.

Applications

Environmental noise assessments
Sound recording
Noise source identification
HVAC noise
Noise hazards in the workplace
Remote noise monitoring
Product development
Noise labelling
General purpose sound level meter

Features

Precision integrating sound level meter to IEC 61672 class 1
Handheld real-time 1/1-octave or 1/3-octave frequency analyser (6,3Hz-20kHz)
Measurement of A-weighted levels simultaneously with either C- or Z-weighted levels
Parallel detection of SPL, Leq, Lmin, Lmax, LE and Lpeak
120 dB dynamic range giving a "one-range" instrument
Measures Lpeak levels up to 140 dB
Parallel detection of F, S and I time constants
USB 2.0 and High-speed RS-232 serial interface
SD memory card and large high speed internal memory
Sound recording in 8, 16 or 24 bit format with 12 or 48 kHz sampling
Up to 90 sec. audio recording pretrigger
High-resolution graphical backlit display
Manual or automatic storage of results
Automatically repeated measurements with clock synchronization
Pause/Continue function with back erase feature
Results displayed as dB or linear values
Numerical printouts
AC output signal
Windscreen correction
Support for IEPE sensors
NC, NR and RC rating
Multiple language selection
Moving Leq