Cloud Electronics PM1 - Manual (Page 14)

PM1 Installation and User Guide v1.0 14
Microphone frequency response
Source level: 0.1 Pa
Measurement distance: 50 cm
Test instruments: Bruel & Kjaer 2012 & 9640
Microphone polar plot
Source level: 0.1 Pa
Frequency: 1000 Hz
Measurement distance: 50 cm
Test instruments: Bruel & Kjaer 2012 & 9640
0° 180°