Sound field type
Free field type
Sensitivity (@ 250 Hz ± 2 dB)
4 mV/Pa
Sensitivity (@ 250 Hz ± 2 dB)
-48 dB re 1V/Pa
Frequency response (±2 dB)
4Hz~40kHz
Polarization voltage
0V(pre-polarization)
Typical capacitance
7pF
Upper limit of dynamic range (re. 20 uPa)
≥160dB(distortion < 3%)
Lower limit of dynamic range (re. 20 uPa)
≤30dB(A)
Range of operating temperature
-20℃~60℃
Temperature coefficient (-10 ℃ to 50 °C)
0.01dB/℃
Static pressure coefficient
-0.01dB/kPa
Relative humidity range (without condensation)
0~90%RH
Relative humidity coefficient
<0.1dB(0 - 90% RH without condensation)
Pressure equalization method
Average side pressure
IEC 61094-4 Designation
WS3F
Height (without protective grid)
10.5mm
Diameter (including protective grid)
7mm
Height (without protective grid)
9mm
Diameter (without protective grid)
6.35mm
Preamplifier with thread
5.7mm-60UNS
Protective grid thread
6.35mm-60UNS