• Calculates the survey grade LWA sound power level based on multiple measurement positions on a theoretical hemisphere above a noise source placed on a refl ective fl oor
  • Automatic correction of background noise level
  • Fulfi ls the requirements of the ISO 3746 Standard

This option allows the user to perform survey grade LWA sound power level measurements in the fi eld without any other external device. A perfect tool for verifying the sound power level of equipment after installation. A graphical wizard guides the user through the measurement – easy and intuitive to use!

Nor140 opt15

Sound Power results

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