NTI Audio XL2 Audio and Acoustic Analyzer

The NTi Audio hand-held XL2 Analyzer is a powerful Sound Level Meter, a professional Acoustic Analyzer, a precision Audio Analyzer and a comprehensive Vibration Meter in one instrument. Easy operation and countless applications distinguish this quality Swiss product.
Applications:
Life Safety Systems
Noise Measurement
Live Sound
Industrial and Aerospace
Room & Building Acoustics
Quality Control
Electroacoustic Installations
 
Made by Professionals for Professionals
Focus on your core skills and let the XL2 provide you with the reliable measurement data. This instrument is the benchmark that allows you to be the professional that you are. The robust design and verifiable measurement methods pair to help you perform better. The XL2 is the reference instrument in audio and acoustic measurement.
Switch on - Good to go
Get the job done, on time! The instrument is ready to measure literally seconds after you press the power button. The intuitive navigation and flexible user interface assist in simplifying every task. The XL2 provides an extensive range of measurement functions.
Ready for any Challenge
The XL2 is developed according to user needs, and provides reliable measurement solutions for sound system installations, noise control, architectural acoustics, evacuation systems, live events, quality inspection and occupational health and safety. Discover an instrument you can trust for specialist applications.
Incomparable Value
The XL2 Audio and Acoustic Analyzer provides top-class performance with excellent value for money. You will receive an instrument exactly tailored to your needs for less than you expect.
Data Analysis and Reporting
The XL2 stores all data onto the SD card for direct transfer to the computer. Data reports and log files are stored in plain text format, which can be opened with any text editor (Notepad, Wordpad, etc). The data is tab-delimited, so dropping the .txt file into a spreadsheet application will conveniently show the results in columns. The sound level meter may additionaly record the audio data as a WAV-file.
Features:
Flexible user interface
Wav-file recording
Voice notes
Visual limit indication of exceeding sound levels
Mini-SD card, 2 GB removable
Built-in real time clock
Built-in speaker
Rechargeable Li-Po battery included
Serial programmable I/O Interface
TOSLink output (optional)
Automated sensor detection reads electronic data sheet of measurement microphones M4260 and M2210
 
Specifications:
Sound Level Meter
Product Configurations in accordance with IEC 61672 / ANSI S1.4
XL2 with M2230 microphone >> Class 1 certified with Shroud
XL2 with M2211 or M2215 microphone >> Frequency response Class 1
XL2 with M4261 microphone >> Class 2

Complying Standards
IEC 61672, IEC 60651, IEC 61260, IEC 60804, ANSI S1.4, ANSI S1.43, DIN 45657

Sound Level Measurements
SPL actual, Lmin, Lmax, Lpeak, Leq, gliding Leq
Optional: Percentile statistics, sound exposure level
All measurement results simultaneously available
Correction value measurement wizard
Logging all data or subsets in selectable intervals
Recording of wav-files and voice notes
Limit monitoring showing exceeding sound levels
Digital I/O interface for external peripherals control

Weighting
Frequency Weighting: A, C, Z (simultaneous)
Time Weighting: Fast, Slow, Peak, optional: Impulse

Details
Measurement Bandwidth (-3dB): 4.4Hz - 23.0kHz
Level Resolution: 0.1dB
Internal Noise: 1.3µV A-Weighted

Real-Time Analyzer RTA
Wide band
1/1 octave band: 8Hz - 16kHz
1/3 octave band: 6.3Hz - 20kHz

Acoustic Analyzer
FFT Analysis:
Real-time FFT with actual level, Leq, Lmin, Lmax
Level Resolution: 0.1dB
Optional: Passed/failed measurements
Reverb Time RT60:
1/1 octave bands results from 63 Hz - 8 kHz (T20,T30)
Optional: 1/3 octave bands results from 50 Hz - 10 kHz
Polarity:
Checks polarity of speakers and line signals

Audio Analyzer
Level RMS:
True RMS detection in V, dBu, dBV and dBSPL
Range XLR/RCA input: 2µV - 25V (-112dBu - 30dBu)
Accuracy: ±0.5% @ 1kHz,
Flatness: ±0.1dB @ 12Hz - 21.3kHz
Bandwidth (-3dB): 5Hz - 23.6kHz
Frequency:
Range: 9Hz - 21.3kHz
Accuracy: < ±0.003%
THD+N:
Range: -100dB - 0dB (0.001% - 100%)
Residual THD+N @ XLR/RCA input: < 2 µV
Scope Auto ranging, auto scaling
Filter:
Frequency Weighting: A, C, Z
Highpass 100Hz, 400Hz, 19kHz,
Bandpass 22.4Hz - 22.4kHz

Input/Output Interfaces
Audio Inputs:
XLR balanced with input impedance = 200 kOhm, phantom power: +48 V switchable
RCA unbalanced with input impedance > 30 kOhm
Built-in condenser microphone for polarity testing, delay measurements and voice note recording
Audio Outputs:
Built-in speaker
Headphone connector 3.5mm Minijack Stereo
USB Interface:
USB mini connector for data transfer to PC, Remote
Measurement, XL2 Projector and charging of battery
Digital I/O:
Connection interface to accessories
XL2 Input Keypad
Limit Light, Stack Light
Digital I/O Adapter PCB
Memory:
SD Card included (8 GByte), removable, storing measurement data in ASCII format
Power Supply:
Rechargeable Li-Po battery included
Dry cell batteries type AA, 4 x 1.5 V
Linear external power supply 9 VDC
USB-Power Supply

General
Clock: Real-time clock with lithium backup battery
Temperature: 14°F - 122°F (-10°C - 50°C)
Humidity: 5% - 90% RH, non-condensing