The Seven Bel patented innovation of a moving sensor Sound Scanners is able to simulate up to 480 microphone positions on a circular area while using only five built-in microphones. Comparable acoustic cameras are normally equipped with about 100 microphones. This advantage has significant impact on the measurement quality. The unique mobility and handling and high-quality measurement results make the Seven Bel Sound Scanner P132 a high-performance measurement device that can be used and transported easily.
Source: NDT