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Product Description

Public address systems in buildings like airports, railway stations, shopping centers or concert halls have to clearly inform persons in danger about escape information and directions in case of an emergency,. The NTi Audio STI-PA analyzers measure the speech intelligibility of emergency systems in accordance with the standard 2003 IEC 60268-16.The STI-PA function measures the speech intelligibility of public announcement systems according the latest revision of IEC 60268-16.2003 standard. The XL2 displays the measurement results as STI or as CIS results, accompanied by the individual levels and modulation indices of the seven octave bands. The measurement results are acquired from the dedicated STI-PA test signal.

• Weight: 0.5 lbs