• Our most affordable Sound Level meter with FFT.
• 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.

https://web2.norsonic.com/product_single/soundanalyser-nor140/