How do I ensure accurate sound level measurements on site?
Use the XL3 or XL2 with a suitable measurement microphone and perform a quick acoustic calibration with a sound calibrator (typically 94 dB at 1 kHz) before and after the measurement session. This creates traceable results and helps catch setup or microphone issues early.
Do the XL3 and XL2 support STIPA speech intelligibility testing?
Yes. With the STIPA Option installed, the XL3 or XL2 measure speech intelligibility according to IEC 60268-16:2020 (and also support older editions), including features like ambient noise correction and automated averaging.
How do I export XL2 data and create professional reports?
You can transfer XL2 measurement data to a PC and generate professional reports with NTi Data Explorer, which is designed for fast analysis of sound level data and quick creation of customized reports. It automatically includes relevant header information such as measurement date and calibration details for clean documentation.
For building acoustics workflows, you can also export and document key results for SIR (Sound Insulation Reporter) and RAR (Room Acoustics Reporter) applications – making it easy to turn XL2 measurements into standardized, client-ready deliverables.
专家认可
As a research laboratory invested in supporting communities through real time noise monitoring, I am very happy to exclusively use NTi instruments. Not only are the robust, easy to use, and provide high quality data, the customer service is outstanding and their team will work with you to find the most cost effective and appropriate solutions needed for problems ranging from easy to difficult.
Erica D. Walker MSc, ScD, RGSS Assistant Professor of Epidemiology, Brown University School of Public Health
I’ve been using the XL2 for over 15 years for short-term and long-term measurements in all kinds of indoor and outdoor environments all across the country. The meter gets me what I want, when I need it. It’s not only the best value for acoustical measurements, it’s the best tool period. I bet my company and reputation on XL2 results and it has not let me down. You would be crazy not to consider adding NTi instruments to your toolkit.
Herb Singleton, P.E., INCE Bd. Cert., President, Cross-Spectrum Acoustics
We at Constructure GmbH use two XL3 sound level meters for noise monitoring during demolition work. We are very satisfied with these highly user-friendly instruments, the online monitoring in the MeasurEye Cloud, the good advice and qualified support. Factory calibrations at NTi Audio are also handled very smoothly and without complications.
Markus Rost, Managing Director, Constructure GmbH
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