Nor140 Sound Analyser

Nor140 Sound analyser

A precision hand held sound analyser designed for the most demanding users. A multi-tool for all acousticians, as it offers functions for almost all areas of application.

The Nor140 is packed into the smallest real time analyser featuring sound recording present on the market today.

The Nor140 sound level meter is very user-friendly, practical, reliable, robust, small, handy and light.

Features

  • Complies to all relevant IEC and ANSI Class 1 specifications.
  • Support for the latest revision of the STIPA standard.
  • Support for the latest revision of the room acoustic RC mark II calculation.
  • Sound recording onto exchangeable SD card.
  • Level vs. Time with multispectrum function from 5 ms resolution.
  • Parallel detection of SPL, Leq, Lmin, Lmax, LE, Lpeak and 8 statistical values.
  • Parallel F, S or I time constants.
  • Measurement of A-weighted levels simultaneously with either C- or Z-weighted levels.
  • 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.
  • Reverberation time calculations.
  • Support SweptSine measurement when controlled from Nor850 or CtrlBuild .
  • Advanced Trigger functions
  • USB 2.0 and RS232 high speed digital interface.
  • Wireless communication using Nor520 Bluetooth transceiver
  • High resolution backlit display.

Options

The Nor140 may be extended with a large selection of optional features, thereby allowing you to tailor the instrument to your specific requirements. Optional features may be ordered and installed at any time by just adding a new set of option codes.

Options packages

  • Nor140/IH

    Nor140 as Basic Level package (e.g. for Industrial Hygiene) containing options: 04, 05, 06.

  • Nor140/ENV

    Nor140 as Advanced Level package (e.g. for ENV), containing options: 01, 03, 04, 05, 06, 07, 08, 14, 16.

  • Nor140/BA

    Nor140 as Advanced Building Acoustics package with on board rating, containing options: 01, 03, 06, 07, 09, 10, 11, 12.

  • Nor140/Cons

    Option package containing options: 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, 16.

  • Nor140/AT

    Audiometer calibration option package containing option 01,03 and 17.

  • Option 1: 1/1-octave real-time filters

  • Option 2: Reference spectrum with “Go/NoGo” comparison

  • Option 3: 1/3-octave real-time filters

  • Option 4: Statistical calculation of LN values

  • Option 5: Parallel F, S and I time weightings

  • Option 6: Level versus time measurement

  • Option 7: Advanced Level versus time measurements

  • Option 8: Sound recording

  • Option 9: Reverberation time measurement mode

  • Option 10: Noise Generator

  • Option 11: Building Acoustic measurement mode

  • Option 12: Swept-Sine measurements

  • Option 13: STIPA (Speech Transmission Index) measurement mode

  • Option 14: FFT measurement mode

  • Option 15: Survey Sound Power measurement mode

  • Option 16 : Trigger

  • Option 17: Audiometer calibration

  • Option 18: Extended measurement range

  • Option 19: Remote control option for third party system integrators.

Standards

  • ISO 717-1, ISO 717-2, ISO 10140-2, ISO 10140-3, ISO 10140-4, IISO 16283-1, ISO 16283-2, ISO 16283-3, ISO 354, ISO 3382-2, ISO 10052, ISO 16032, ISO 1996-1, ISO 1996-2, ISO 3746
  • IEC 61260-1, IEC 61260-2, IEC 61260-3, IEC 61672-1, IEC 61672-1
  • ANSI S1.4, ANSI S1.11
  • DIN 45657, DIN 4109-4, DIN 4109-11:2010-05, TA-Lärm
  • BS EN ISO 16283-1, BS EN ISO 16283-2, BS EN ISO 16283-3
  • NS 4814, NS 4815, NS 8172
  • SS 25267
  • SIA 181
  • I.S. EN ISO 16283-1, I.S. EN ISO 16283-2, I.S. EN ISO 16283-3

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