Sound field type
Free field type
Sensitivity (@ 250 Hz ± 2 dB)
40 mV/Pa
Sensitivity (@ 250 Hz ± 2 dB)
-28 dB re 1V/Pa
Frequency response (±2 dB)
3.15Hz~16kHz
Polarization voltage
0V(pre-polarization)
Typical capacitance
18pF
Upper limit of dynamic range (re. 20 uPa)
≥140dB(distortion < 3%)
Lower limit of dynamic range (re. 20 uPa)
≤16dB(A)
Range of operating temperature
-20℃~60℃
Temperature coefficient (-10 ℃ to 50 °C)
0.012dB/℃
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
Post-pressure equalization
IEC 61094-4 Designation
WS2F
Height (without protective grid)
16.3mm
Diameter (including protective grid)
13.2mm
Height (without protective grid)
15.2mm
Diameter (without protective grid)
12.7mm
Preamplifier with thread
11.7mm-60UNS
Protective grid thread
12.7mm-60UNS