Environmental and Industrial Noise
Nor140: Sound Level Meter
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.
