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Nor140: Sound Level Meter
Workplace / nor140
Environmental And Industrial NoiseEnvironmental and Industrial Noise
Sales Program

Nor140: Sound Level Meter

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.

  • Environmental noise assessments
  • Environmental noise monitoring
  • Building acoustics
  • Noise hazards in the workplace
  • Product development
  • Quality control
  • Noise mapping
  • Sound power
  • Room acoustics – STIPA, NC-RC-NR calculations
  • Vibration measurements
  • Noise Nuisance Recorder
  • Frontend for Nor850 multichannel system
  • Frontend for third party system integrators
  • 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.
  • Full support for all relevant Building acoustics standards such as ISO 10052, ISO 12283, ISO 140, ISO 717, ASTM E336 and E1007 with on screen sound insulation indexes.
  • Built in Noise generator.
  • Reverberation time calculations.
  • Support SweptSine measurement when controlled from Nor850 or CtrlBuild.
  • Advanced Trigger functions.
  • Complies to all relevant IEC and ANSI Class 1 specifications.
  • 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.
  • Seamless integrated with Nor850 multichannel system.


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