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1/2 in free field, high sensitivity, condenser microphone, typical sensitivity = 45 mv/pa , 200 vdc polarization

Precision Condenser Microphone

Model 2541

  • IP

1/2 in free field, high sensitivity, condenser microphone, typical sensitivity = 45 mV/Pa , 200 VDC polarization

Externally polarized 1/2 inch free field microphone, 44.5 mV/Pa, 20 kHz.
  • Nominal Microphone Diameter: 1/2"
  • Frequency Response Characteristic: Free-Field
  • Frequency Range: (±1dB)5 to 10000 Hz
  • Dynamic Range: >146 dB re 20 µPa

Specification Notes


[1] Typical.
[2] re 250 Hz
[1] Typical.

English: SI:
Performance
Nominal Microphone Diameter 1/2" 1/2"
Frequency Response Characteristic (at 0° incidence) Free-Field Free-Field
Open Circuit Sensitivity (±1.2 dB) -27 dB re 1 V/Pa -27 dB re 1 V/Pa [2]
Open Circuit Sensitivity 44.5 mV/Pa 44.5 mV/Pa [2]
Frequency Range (±1 dB) 5 to 10000 Hz 5 to 10000 Hz
Frequency Range (±2 dB) 3.15 to 20000 Hz 3.15 to 20000 Hz
Lower Limiting Frequency (-3 dB) 1 to 2 Hz 1 to 2 Hz
Resonant Frequency (90° Phase Shift) 14000 Hz 14000 Hz [1]
Inherent Noise <15 dB(A) re 20 µPa <15 dB(A) re 20 µPa
Dynamic Range (3% Distortion Limit) >146 dB re 20 µPa >146 dB re 20 µPa
Standards Designation (IEC 61094-4) WS2F WS2F
Environmental
Temperature Range (Operating) -40 to 302 °F -40 to 150 °C
Temperature Coefficient of Sensitivity (+14 to +122°F (-10 to +50°C)) 0.003 dB/°F 0.006 dB/°C [1]
Static Pressure Coefficient -0.01 dB/kPa -0.01 dB/kPa [1]
Humidity Coefficient of Sensitivity (0 to 95%, non-condensing) ±0.001 dB/%RH ±0.001 dB/%RH
Influence of Axial Vibration (0.1g (1 m/s²)) 62 dB re 20 µPa 62 dB re 20 µPa [1]
Electrical
Capacitance (Polarized) 15 pF 15 pF [1]
Polarization Voltage 200 V 200 V
Physical
Housing Material Stainless Alloy Stainless Alloy
Venting Rear Rear
Mounting Thread (Preamplifier) 0.4606 - 60 UNS 11.7 mm - 60 UNS
Mounting Thread (Grid) 0.5 - 60 UNS 12.7 mm - 60 UNS
Size - Diameter (with grid) 0.52 in 13.2 mm
Size - Diameter (without grid) 0.50 in 12.7 mm
Size - Height (with grid) 0.64 in 16.3 mm
Size - Height (without grid) 0.61 in 15.5 mm
Weight 0.28 oz 7.8 gm [1]

* All specifications are at room temperature unless otherwise specified.

Accessories


Supplied
ACS-20 Calibration of precision condenser microphones 1

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