Key Features:
Flexible user interface- Wav-file recording
- Voice notes
- Visual limit indication of exceeding sound levels
- Mini-SD card, 2GB removable
- Built-in real time clock
- Built-in speaker
- Rechargeable Li-Po battery included
- Serial programmable I/O Interface
- TOSLink output (optional)
- Auto sensor detection of electronic data sheet from M4260 & M2210 measurement microphones
Measurement Functions:
Sound Level Meter
- Standards IEC 61672, IEC 60651, IEC 60804, ANSI S1.4, ANSI S1.43, DIN 15905-5, DIN 45645-2, SLV 2007, GB-T_4959-1995, Technical code for public address system engineering (upcoming Chinese standard) and optional DIN 45645-1.
- Sound Level Leq, Lmin, Lmax, Lpeak, live, ...
- Frequency weighting: A, C, Z (=flat)
- Time weighting: Fast, Slow
- Recording of WAV-files (ADPCM) and voice notes
- Limit monitoring showing exceeding sound levels
- Digital I/O interface for the control of external peripherals
- Real Time Spectrum RTA: 1/3 octave, 1/1 octave
Acoustic Analyzer
- FFT Analysis
- Reverberation Time RT60 with impulse source or gated pink noise
- Delay Time
- Polarity
- STI-PA Speech Intelligibility (optional)
Electrical Functions
- Level RMS, 2µV - 25V (-112 to +30 dBu)
- THD+N (Total Harmonic Distortion + Noise)
- Frequency
- Scope
Optional with the Extended Acoustic Pack
- Percentiles: 1%, 5%, 10%, 50%, 90%, 95%, 99%
- Time weighting: Impulse
- Sound Pressure Level LIeq, Sound Exposure Level LAE
- Clock-Impulse Maximum Level (TaktMax) and values as specified in DIN 45645-1
- Recording of Wav-files (24 bit, 48 kHz)
- High-resolution FFT, up to 0.4 Hz resolution in the range of 5 Hz to 20 kHz
- Reverberation time RT60 in 1/3 octave resolution
Flexible User Interface:
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A remarkable advantage of the XL2 is the flexible user interface. The measurement screens may be personalized and only a limited subset of the comprehensive functionalities enabled for simplified operator interfaces. Advanced users may access all menus, settings and store their preferred measurement configurations. For basic users offers the XL2 Audio and Acoustic Analyzer fixed operator interfaces with specific pre-defined settings. The XL2 boots up with exactly the required measurement parameters according the pre-defined instrument configurations. This ensures accurate measurements achieved by advanced and basic users.
Measurement Microphones:
Adding NTI's M4260 or M2210 plug-in measurement microphones to the XL2 forms a comprehensive sound level meter and acoustic analyser. These microphones are 48V DC phantom powered and combine high dynamic range, wide frequency range and low noise.
- M4260 Measurement Microphone (Class 2)
- M2210 Extended Performance Measurement Microphone, (Class 1)
NEW! SPECTRAL LIMITS OPTION...
The new Spectral Limits Option extends the XL2's function range with trace capturing, relative curve display, comprehensive tolerance handling for the FFT Analysis and the new high resolution RTA function with spectral resolutions up to 1/12th octave.
Applications:
- PA-Rental - Verifying the frequency response of returned speakers and microphones against reference records ensuring they are back on stock in good working condition.
- Industrial Quality Testing - Passed/Failed test in the production line or at service of any audible quality criteria’s, such as at motors, machines, vacuum cleaners.
- Cinema - Comparing frequency responses against an ideal response curve according the X-Curve requirements.
Features:
- High resolution RTA function “1/12 Oct + Tol” with selectable 1/1, 1/3, 1/6 and 1/1 octave spectral resolution
- Capturing of multiple readings into the internal memory
- Comparing measurement results against captures with relative or absolute curve display
- Comprehensive tolerance handling
- Creating tolerance masks based on captures for passed/failed measurements
- Extending the FFT Analysis with capture and tolerance functions
- Export and Import of tolerance- and capture files
NEW! V2.20 Firmware...
The latest V2.20 Firmware package extends the XL2's capabilities with a host of new performance features including:
Sound Level Meter
- Capturing a reference spectra for comparative measurements
- Correction value setting offers k-Value reset button
- RTA offers new A-weighing filter for perfect response (also for f > 10 kHz)
FFT Analysis
- Maximum and minimum levels
- Timer function and time weighting setting
- Selectable Windowing: Hann and Dolph-Chebyshev
Delay Measurement
- "STORE" button added for simpler user interface
General
- Main Menu offers long measurement function names
- Keeps all settings & measurement results at switching between measurement functions and after power Off/On.
- Microphone PreAmplifier MA220 recognized by Automated Sensor Detection
- Report and log files include project folder and file name data
- Real Time Clock accuracy improved
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An introduction to the many functions of the new NTi Audio XL2 Audio & Acoustic Analyzer.
» Watch this video
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