Nor140 Powerful sound analyzer

Nor140 Powerful sound analyzer

Nor140 is a very powerful sound analyzer, calculates building acoustics results in realtime, in the field following all relevant ISO standards.

Description

A precision hand held sound analyser designed for the most demanding users. The Nor140 is packed into the smallest real time analyser featuring sound recording present on the market today.

Type approvals: PTB – Germany, The Spanish Centre of Metrology, BEV – Austria, LNE – France, China
Applications

Noise source identification with markers and sound recording
Environmental noise
Building acoustics
Industrial hygiene
Product development
Quality control
Noise mapping
Sound power
Speech intelligibility – STIPA
Vibration measurements
Noise Nuisance Recorder

Features

Sound recording onto exchangeable SD card
Level vs. Time with multispectrum function from 25 ms resolution
Parallel detection of SPL, Leq, Lmin, Lmax, LE, Lpeak and 8 statistical values
Measurement of A-weighted levels simultaneously with either C- or Z-weighted levels
Parallel F, S or I time constants
Frequency analysis with 1/1-octave or 1/3-octave bands in the 0.4 Hz – 20 kHz range
8000 line FFT analysis with 1.46Hz line resolution
120 dB dynamic range giving a “one-range” instrument covering all levels from microphone noise floor at 15 dBA to maximum SPL at 137 dBA (140dB peak)
Pause/Continue function with 10 sec back erase function
Manual or automatic storage of results with automatic measurement repeat and clock synchronization
Building acoustics according to ISO 10052, ISO 140 & ISO 717 with on screen sound insulation indexes
Dual channel building acoustic analysis using two Nor140 controlled from CtrlBuild PC program hosted in the dual channel BA case Nor518
Noise generator
Reverberation time calculations
Support SweptSine measurement when used with CtrlBuild 1038/3 software
Advanced Trigger functions
Complies to all relevant IEC and ANSI Class 1 specifications
Both USB 2.0 and RS232 high speed digital interface
Wireless communication using Nor520 Bluetooth transceiver
High resolution backlit display
ICP power for direct connection of vibration sensors
RPM input
Built-in random incidence correction and wind screen correction
Calculates NC, NR and RC.
Support for English, French and German menus.
“User-defined” table to display only measurement functions that each individual user prefers.
Improved internal communication for use with V1.5 or newer of the Nor850.

The modular design of the Nor140 enables functional expansion to take place when you need it.

Additional information

Application

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Class

Octave Frequency

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Other features

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