Norsonic - Model Nor140 -Precision Handheld Sound Analyser

• 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.

New features in version 4.0:

• Significant improved Building Acoustic module – with support for the new ISO 10052, ISO 16283, ASTM E336 and ASTM E1007.
• Testing of Service Equipment per ISO16032.
• Moving Leq feature added.
• Support for the latest revision of the STIPA standard.
• Support for the latest revision of the room acoustic RC mark II calculation.
• New text font for improved readability.

• The instrument has a brand new font for all text in the various menus. The new font is easier to read, and give the instrument a more modern look.
• The Building Acoustic mode is improved for the latest Standards as well as extended for Service Equipment measurements. The BA mode of version 4.x offers the following sub-modes:
• Airborne survey grade testing in accordance with ISO 10052
• Impact survey grade testing in accordance with ISO 10052
• Airborne engineering grade testing in accordance with ISO 16283-1, BS-ISO 140-4 and ASTM E336
• Impact engineering grade testing in accordance with ISO 16283-2, BS-ISO 140-7 and ASTM E1007
• Airborne survey grade testing in accordance with French NF-ISO 10052
• Impact survey grade testing in accordance with French NF-ISO 10052
• Service Equipment survey grade testing in accordance with ISO 10052
• Service Equipment engineering grade testing in accordance with ISO 16032
• The Nor140 now measures the ‘Moving Leq’ value in normal mode. This feature contains two individual moving values over user-defined time-frames with toggle markers depending on preset threshold levels.
• The STIPA optional measurement is improved to measure in accordance with the latest IEC 60268-16 version 3 Standard

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.

• 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.

Overall Performance
The Nor140 fulfil the following standards set for sound level meters, 1/1-octave and 1/3 octave filters: IEC 61672-1:2002 class 1, IEC 60651 class 1, IEC 60804 class 1, IEC 61260 class 1, ANSI S1.4-1983 (R2001) with amendment S1.4A-1985 class 1, ANSI S1.43-1997 (R2002) class 1, ANSI S1.11-2004 class 1.

• Analouge inputs
• Measurement range
• Highpass filter
• Analogue to digital conversion
• Frequency weightings
• Level detector
• Indication range
• Self-noise levels
• Power supply
• Display
• Signal generator output
• SD Memory Card
• Data storage
• Environmental condition for operation
• Environmental condition for storage
• Dimensions