NTi adds noise curve measurement with V2.60 for XL2

NTi's XL2 Analyzer can offer on-site measurement of all commonly used noise curves, according to ANSI and ISO standards, with firmware V2.60.

The noise curves are visualised and presented with the final noise criterion and other relevant information.

Noise curve standards are used to objectively rate the noise level and thus the acoustical quality of a room or environment. 

The XL2 Noise Curve measurements provide numerical and graphical measurement results for Noise Ratings (NR) in accordance with ISO 1996; Noise Criteria (NC) in accordance with ANSI 12.2-2008 and its legacy version of 1995, as well as Preferred Noise Criterion (PNC) and Room Noise Criterion (RNC) curves. The Speech Interference Level (SIL) and Room Criteria (RC) curve rating is also calculated in parallel.

XL2 retains all relevant measurement values in its memory. Measurement results can be stored on the internal SD card and later integrated into user reports. They contain the applicable noise curve data and the frequency band with the highest noise band value, as well as the averaged spectrum.

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