Sound field type
Pressure field type
Sensitivity (@ 250 Hz ± 2 dB)
50mV/Pa
Sensitivity (@ 250 Hz ± 2 dB)
-26dB re 1V/Pa
Frequency response (±2 dB)
4Hz~8kHz
Polarization voltage
0V(pre-polarization)
Typical capacitance
55pF
Upper limit of dynamic range (re 20 uPa)
≥146dB(distortion < 3%)
Lower limit of dynamic range (re 20uPa)
≤10dB(A）
Range of operating temperature
-20℃～60℃
Temperature coefficient (-10 ℃ to 50 °C)
0.015dB/℃
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
WS1F
Height (without protective grid)
19mm
Diameter (including protective grid)
23.77mm
Height (without protective grid)
17mm
Diameter (without protective grid)
23.77mm
Preamplifier with thread
23.11mm-60UNS
Protective grid thread
23.11mm-60UNS