Hemisphere Array for Sound Power Measurement | ISO 3744 and ISO 3745

The PLACID hemisphere microphone array provides the multi-point simultaneous measurement positions required for sound power level determination to ISO 3744 and ISO 3745. Available in 10-point (r=1 m) and 20-point (r=1 m or r=2 m) configurations.

• ISO 3744: 10-point hemisphere measurement positions in free field
• ISO 3745: Precision grade positions in anechoic or reverberant room
• Rigid aluminium tripod structure with quick-release microphone mounts
• Designed for use with PLACID PQ801 or PQ1601 DAQ systems
• Calibration positions documented in measurement uncertainty budget