Norsonic - Model Nor140 - Precision Handheld Sound Analyser
From Sound Level Meters
A precision hand held sound analyser designed for the most demanding users. With this analyser Norsonic set a new standard for sound level meters, covering the widest range of applications. The Nor140 is packed into the smallest real time analyser featuring sound recording present on the market today.
Applications:
- 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
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.
- 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.
New Features in Version 4.0:
- 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
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.
- 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.
Specifications:
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
Applications
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Sound instrumentation for building acoustics - Health and Safety - Noise and Vibration
The field of building acoustics consists of two parts; Room Acoustics which deals with sound propagation in a room and Building Acoustics, which deals with sound propagation between rooms. Typically, room acoustics is related to the quality of sound, e.g. concert hall acoustics, while building acoustics is more related to unwanted sound, i.e. when you want to hear as little as possible of what is going on in adjacent rooms. From a measurement technology point of view, the two have a lot in common ...
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Sound instrumentation for environmental noise monitoring - Health and Safety - Noise and Vibration
State of the art noise monitoring systems; Modern noise monitoring systems offer a wide range of advanced features and come with software that can analyze and structure long term measurements data efficiently. A complete noise monitoring system consists of one or more noise monitoring terminals, a noise server and work stations for presentation, post processing and reporting.
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Sound instrumentation for Noise at Work - Health and Safety - Noise and Vibration
Noise at work can damage people’s hearing and lead to risks to health and safety.
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